наблюдаемость: измерять бюджет каталога MCP

Reviewed-on: #1

.env.example

@@ -24,11 +24,19 @@ CRANK_RUNTIME_MAX_CONCURRENT_UNARY=64
 CRANK_RUNTIME_MAX_CONCURRENT_WINDOW=16
 CRANK_RUNTIME_MAX_CONCURRENT_SESSIONS=16
 CRANK_RUNTIME_MAX_CONCURRENT_JOBS=16
+# Публичные узлы разрешены по умолчанию. Для внутренних API перечислите
+# допустимые имена или IP через запятую.
+CRANK_OUTBOUND_ALLOWED_HOSTS=
+CRANK_OUTBOUND_DENIED_HOSTS=
+CRANK_OUTBOUND_MAX_RESPONSE_BYTES=4194304
 CRANK_LOG_LEVEL=info
 CRANK_MASTER_KEY=change-me-master-key
 CRANK_SESSION_SECRET=change-me-session-secret
 CRANK_PASSWORD_PEPPER=change-me-password-pepper
 CRANK_SESSION_TTL_HOURS=24
+# Trust X-Real-IP / X-Forwarded-For for client rate limiting. Enable only when
+# admin-api runs behind the bundled nginx (or another trusted reverse proxy).
+CRANK_TRUST_FORWARDED_HEADERS=true
 CRANK_BOOTSTRAP_ADMIN_EMAIL=owner@crank.local
 CRANK_BOOTSTRAP_ADMIN_PASSWORD=change-me-admin-password
 CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME=Crank Owner

.gitea/workflows/ci.yml

@@ -22,15 +22,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
 
-      - name: Use preinstalled Rust toolchain
+      - name: Install Rust toolchain
         run: |
           set -eu
-          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/1.85.0-x86_64-unknown-linux-gnu"
+          toolchain="$(sed -n 's/^channel = "\(.*\)"/\1/p' rust-toolchain.toml | head -n1)"
+          if [ -z "$toolchain" ]; then
+            echo "Unable to read Rust toolchain channel from rust-toolchain.toml" >&2
+            exit 1
+          fi
+          rustup toolchain install "$toolchain" --profile minimal --component clippy --component rustfmt
+          rustup default "$toolchain"
+          host="$(rustc -vV | sed -n 's/^host: //p')"
+          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/${toolchain}-${host}"
           toolchain_bin="$toolchain_dir/bin"
           if [ ! -x "$toolchain_bin/rustc" ] || [ ! -x "$toolchain_bin/cargo" ]; then
-            echo "Rust 1.85.0 is not preinstalled at $toolchain_dir." >&2
-            echo "Install it in the Gitea runner image/host before running CI:" >&2
-            echo "rustup toolchain install 1.85.0 --profile minimal --component clippy --component rustfmt" >&2
+            echo "Rust $toolchain was not installed at $toolchain_dir." >&2
             exit 1
           fi
           printf '%s\n' "$toolchain_bin" >> "$GITHUB_PATH"
@@ -121,15 +127,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
 
-      - name: Use preinstalled Rust toolchain
+      - name: Install Rust toolchain
         run: |
           set -eu
-          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/1.85.0-x86_64-unknown-linux-gnu"
+          toolchain="$(sed -n 's/^channel = "\(.*\)"/\1/p' rust-toolchain.toml | head -n1)"
+          if [ -z "$toolchain" ]; then
+            echo "Unable to read Rust toolchain channel from rust-toolchain.toml" >&2
+            exit 1
+          fi
+          rustup toolchain install "$toolchain" --profile minimal --component clippy --component rustfmt
+          rustup default "$toolchain"
+          host="$(rustc -vV | sed -n 's/^host: //p')"
+          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/${toolchain}-${host}"
           toolchain_bin="$toolchain_dir/bin"
           if [ ! -x "$toolchain_bin/rustc" ] || [ ! -x "$toolchain_bin/cargo" ]; then
-            echo "Rust 1.85.0 is not preinstalled at $toolchain_dir." >&2
-            echo "Install it in the Gitea runner image/host before running CI:" >&2
-            echo "rustup toolchain install 1.85.0 --profile minimal --component clippy --component rustfmt" >&2
+            echo "Rust $toolchain was not installed at $toolchain_dir." >&2
             exit 1
           fi
           printf '%s\n' "$toolchain_bin" >> "$GITHUB_PATH"
@@ -290,6 +302,9 @@ jobs:
           append_if_set CRANK_ADMIN_BIND "$CRANK_ADMIN_BIND"
           append_if_set CRANK_MCP_BIND "$CRANK_MCP_BIND"
           append_if_set CRANK_MCP_REFRESH_MS "$CRANK_MCP_REFRESH_MS"
+          append_if_set CRANK_OUTBOUND_ALLOWED_HOSTS "${CRANK_OUTBOUND_ALLOWED_HOSTS:-}"
+          append_if_set CRANK_OUTBOUND_DENIED_HOSTS "${CRANK_OUTBOUND_DENIED_HOSTS:-}"
+          append_if_set CRANK_OUTBOUND_MAX_RESPONSE_BYTES "${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-}"
           append_if_set CRANK_LOG_LEVEL "$CRANK_LOG_LEVEL"
           append_if_set CRANK_MASTER_KEY "$CRANK_MASTER_KEY"
           append_if_set CRANK_BASE_URL "$CRANK_BASE_URL"

.gitea/workflows/release.yml

@@ -25,12 +25,12 @@ jobs:
       - name: Use preinstalled Rust toolchain
         run: |
           set -eu
-          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/1.85.0-x86_64-unknown-linux-gnu"
+          toolchain_dir="${RUSTUP_HOME:-$HOME/.rustup}/toolchains/1.96.1-x86_64-unknown-linux-gnu"
           toolchain_bin="$toolchain_dir/bin"
           if [ ! -x "$toolchain_bin/rustc" ] || [ ! -x "$toolchain_bin/cargo" ]; then
-            echo "Rust 1.85.0 is not preinstalled at $toolchain_dir." >&2
+            echo "Rust 1.96.1 is not preinstalled at $toolchain_dir." >&2
             echo "Install it in the Gitea runner image/host before running CI:" >&2
-            echo "rustup toolchain install 1.85.0 --profile minimal --component clippy --component rustfmt" >&2
+            echo "rustup toolchain install 1.96.1 --profile minimal --component clippy --component rustfmt" >&2
             exit 1
           fi
           printf '%s\n' "$toolchain_bin" >> "$GITHUB_PATH"

Cargo.toml

@@ -18,28 +18,28 @@ resolver = "3"
 [workspace.package]
 edition = "2024"
 license = "AGPL-3.0-only"
-rust-version = "1.85"
+rust-version = "1.96"
 version = "0.3.1"
 
 [workspace.dependencies]
 aes-gcm = "0.10"
 argon2 = "0.5"
 axum = "0.8"
-axum-extra = { version = "0.10", features = ["cookie"] }
+axum-extra = { version = "0.12", features = ["cookie"] }
 base64 = "0.22"
 hkdf = "0.12"
-rand = "0.8"
+rand = "0.10"
 reqwest = { version = "0.12", default-features = false, features = ["cookies", "json", "rustls-tls"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 serde_yaml = "0.9"
 sha2 = "0.10"
-sqlx = { version = "0.8", default-features = false, features = ["runtime-tokio-rustls", "postgres", "macros", "json", "time"] }
+sqlx = { version = "0.9", default-features = false, features = ["runtime-tokio", "tls-rustls", "postgres", "macros", "json", "time", "uuid"] }
 thiserror = "2"
-time = { version = "0.3", features = ["formatting", "parsing", "serde"] }
+time = { version = "0.3.53", features = ["formatting", "parsing", "serde"] }
 tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
 uuid = { version = "1", features = ["serde", "v7"] }
-testcontainers = { version = "0.25.0", features = ["blocking"] }
-testcontainers-modules = { version = "0.13.0", features = ["postgres", "blocking"] }
+testcontainers = { version = "0.27", features = ["blocking"] }
+testcontainers-modules = { version = "0.15", features = ["postgres", "blocking"] }

apps/admin-api/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.85-bookworm AS deps
+FROM rust:1.96.1-bookworm AS deps
 
 WORKDIR /app
 
@@ -36,7 +36,7 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
     --mount=type=cache,target=/app/target \
     SQLX_OFFLINE=true cargo build --release -p admin-api
 
-FROM rust:1.85-bookworm AS builder
+FROM rust:1.96.1-bookworm AS builder
 
 WORKDIR /app
 

apps/admin-api/src/main.rs

@@ -10,7 +10,7 @@ use crank_community_auth::PasswordIdentityProvider;
 use crank_registry::{PostgresPoolConfig, PostgresRegistry};
 use crank_runtime::{
     RequestRateLimitConfig, RequestRateLimiter, RuntimeCacheConfig, RuntimeCacheStores,
-    RuntimeLimits, SecretCrypto, community_default,
+    RuntimeLimits, SecretCrypto,
 };
 use sqlx::postgres::PgConnectOptions;
 use tokio::net::TcpListener;
@@ -56,7 +56,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let cache_stores = RuntimeCacheStores::from_config(&cache_config).await?;
     let api_rate_limit = admin_api_rate_limit_config_from_env()?;
     let secret_crypto = SecretCrypto::new(&env::var("CRANK_MASTER_KEY")?)?;
-    let runtime = community_default()
+    let outbound_http_policy = crank_runtime::OutboundHttpPolicy::from_env()?;
+    let runtime = crank_runtime::community_with_outbound_policy(outbound_http_policy.clone())
         .with_limits(runtime_limits)
         .with_response_cache(cache_stores.response.clone())
         .with_coordination_store(cache_stores.coordination.clone())
@@ -70,6 +71,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         secret_crypto,
         runtime,
     )
+    .with_outbound_http_policy(outbound_http_policy)
     .with_identity_provider(std::sync::Arc::new(identity_provider))
     .build();
     service.bootstrap_admin_user().await?;
@@ -83,9 +85,11 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         } else {
             RequestRateLimiter::new(api_rate_limit)
         },
+        trust_forwarded_headers: env_flag("CRANK_TRUST_FORWARDED_HEADERS"),
     };
     let app = build_app(state);
     let listener = TcpListener::bind(socket_addr).await?;
+    let make_service = app.into_make_service_with_connect_info::<SocketAddr>();
 
     info!(
         runtime_max_concurrent_unary = runtime_limits.max_concurrent_unary,
@@ -101,7 +105,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     );
     info!("admin-api listening on {}", socket_addr);
 
-    axum::serve(listener, app).await?;
+    axum::serve(listener, make_service).await?;
 
     Ok(())
 }

apps/admin-api/src/rate_limit.rs

@@ -1,19 +1,30 @@
+use std::net::{IpAddr, SocketAddr};
+
 use axum::{
-    extract::{Request, State},
-    http::header::{COOKIE, HeaderMap},
+    extract::{ConnectInfo, Request, State},
+    http::HeaderMap,
     middleware::Next,
     response::Response,
 };
 use crank_runtime::RateLimitRejection;
 
-use crate::{auth::SESSION_COOKIE_NAME, error::ApiError, state::AppState};
+use crate::{error::ApiError, state::AppState};
 
 pub async fn apply_api_rate_limit(
     State(state): State<AppState>,
     request: Request,
     next: Next,
 ) -> Result<Response, ApiError> {
-    let key = rate_limit_key(request.headers(), request.uri().path());
+    let peer_ip = request
+        .extensions()
+        .get::<ConnectInfo<SocketAddr>>()
+        .map(|ConnectInfo(address)| address.ip());
+    let key = rate_limit_key(
+        request.headers(),
+        request.uri().path(),
+        peer_ip,
+        state.trust_forwarded_headers,
+    );
     if let Err(rejection) = state.api_rate_limiter.check(&key).await {
         return Err(ApiError::rate_limited_with_context(
             "request rate limit exceeded",
@@ -30,56 +41,64 @@ fn rejection_context(rejection: RateLimitRejection) -> serde_json::Value {
     })
 }
 
-fn rate_limit_key(headers: &HeaderMap, path: &str) -> String {
-    if let Some(session_id) = session_id_from_headers(headers) {
-        return format!("session:{session_id}");
+fn rate_limit_key(
+    headers: &HeaderMap,
+    path: &str,
+    peer_ip: Option<IpAddr>,
+    trust_forwarded_headers: bool,
+) -> String {
+    if trust_forwarded_headers && let Some(client_ip) = forwarded_client_ip(headers) {
+        return format!("ip:{client_ip}");
     }
 
-    if let Some(forwarded_for) = header_value(headers, "x-forwarded-for") {
-        let ip = forwarded_for
-            .split(',')
-            .next()
-            .map(str::trim)
-            .filter(|value| !value.is_empty())
-            .unwrap_or("unknown");
-        return format!("ip:{ip}");
-    }
-
-    if let Some(real_ip) = header_value(headers, "x-real-ip") {
-        return format!("ip:{real_ip}");
+    if let Some(peer_ip) = peer_ip {
+        return format!("ip:{peer_ip}");
     }
 
     format!("anonymous:{path}")
 }
 
-fn session_id_from_headers(headers: &HeaderMap) -> Option<String> {
-    let cookies = headers.get(COOKIE)?.to_str().ok()?;
-    for part in cookies.split(';') {
-        let (name, value) = part.trim().split_once('=')?;
-        if name != SESSION_COOKIE_NAME {
-            continue;
-        }
-        let (session_id, _) = value.split_once('.')?;
-        if !session_id.is_empty() {
-            return Some(session_id.to_owned());
-        }
+/// Resolves the client IP from proxy headers, assuming a single trusted proxy.
+///
+/// `X-Real-IP` is preferred because a trusted proxy (e.g. nginx) sets it to the
+/// real peer address. For `X-Forwarded-For` the proxy *appends* the observed
+/// peer, so the last entry is the trustworthy hop; taking the first entry (as
+/// naive implementations do) would let a client spoof its address by sending a
+/// pre-populated header.
+fn forwarded_client_ip(headers: &HeaderMap) -> Option<IpAddr> {
+    if let Some(real_ip) = header_value(headers, "x-real-ip").and_then(parse_ip) {
+        return Some(real_ip);
     }
 
-    None
+    header_value(headers, "x-forwarded-for")?
+        .split(',')
+        .map(str::trim)
+        .rfind(|value| !value.is_empty())
+        .and_then(parse_ip)
 }
 
 fn header_value<'a>(headers: &'a HeaderMap, name: &'static str) -> Option<&'a str> {
     headers.get(name)?.to_str().ok().map(str::trim)
 }
 
+fn parse_ip(value: &str) -> Option<IpAddr> {
+    value.parse().ok()
+}
+
 #[cfg(test)]
 mod tests {
+    use std::net::{IpAddr, Ipv4Addr};
+
     use axum::http::{HeaderMap, HeaderValue, header::COOKIE};
 
     use super::rate_limit_key;
 
+    fn peer() -> Option<IpAddr> {
+        Some(IpAddr::V4(Ipv4Addr::new(203, 0, 113, 7)))
+    }
+
     #[test]
-    fn keys_by_session_cookie_first() {
+    fn unverified_session_cookie_cannot_change_client_key() {
         let mut headers = HeaderMap::new();
         headers.insert(
             COOKIE,
@@ -88,19 +107,86 @@ mod tests {
         headers.insert("x-forwarded-for", HeaderValue::from_static("10.0.0.5"));
 
         assert_eq!(
-            rate_limit_key(&headers, "/api/auth/login"),
-            "session:sess_123"
+            rate_limit_key(&headers, "/api/auth/login", peer(), true),
+            "ip:10.0.0.5"
         );
     }
 
     #[test]
-    fn falls_back_to_forwarded_ip() {
+    fn ignores_forwarded_headers_when_untrusted() {
+        let mut headers = HeaderMap::new();
+        headers.insert("x-forwarded-for", HeaderValue::from_static("10.0.0.5"));
+        headers.insert("x-real-ip", HeaderValue::from_static("10.0.0.9"));
+
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", peer(), false),
+            "ip:203.0.113.7"
+        );
+    }
+
+    #[test]
+    fn prefers_real_ip_when_trusted() {
         let mut headers = HeaderMap::new();
         headers.insert(
             "x-forwarded-for",
-            HeaderValue::from_static("10.0.0.5, 10.0.0.6"),
+            HeaderValue::from_static("1.2.3.4, 10.0.0.6"),
+        );
+        headers.insert("x-real-ip", HeaderValue::from_static("10.0.0.9"));
+
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", peer(), true),
+            "ip:10.0.0.9"
+        );
+    }
+
+    #[test]
+    fn uses_last_forwarded_hop_when_trusted() {
+        // A client can prepend spoofed entries; the trusted proxy appends the
+        // real peer, so the last entry is authoritative.
+        let mut headers = HeaderMap::new();
+        headers.insert(
+            "x-forwarded-for",
+            HeaderValue::from_static("1.2.3.4, 10.0.0.6"),
         );
 
-        assert_eq!(rate_limit_key(&headers, "/api/auth/login"), "ip:10.0.0.5");
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", peer(), true),
+            "ip:10.0.0.6"
+        );
+    }
+
+    #[test]
+    fn falls_back_to_peer_ip_without_headers() {
+        let headers = HeaderMap::new();
+
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", peer(), true),
+            "ip:203.0.113.7"
+        );
+    }
+
+    #[test]
+    fn ignores_invalid_forwarded_ip_values() {
+        let mut headers = HeaderMap::new();
+        headers.insert("x-real-ip", HeaderValue::from_static("not-an-ip"));
+        headers.insert(
+            "x-forwarded-for",
+            HeaderValue::from_static("198.51.100.8, also-not-an-ip"),
+        );
+
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", peer(), true),
+            "ip:203.0.113.7"
+        );
+    }
+
+    #[test]
+    fn falls_back_to_path_without_peer() {
+        let headers = HeaderMap::new();
+
+        assert_eq!(
+            rate_limit_key(&headers, "/api/auth/login", None, false),
+            "anonymous:/api/auth/login"
+        );
     }
 }

apps/admin-api/src/service.rs

@@ -15,7 +15,9 @@ use crank_registry::{
     AgentSummary, CreateInvocationLogRequest, OperationAgentRef, OperationSummary,
     OperationUsageSummary, PostgresRegistry, RegistryOperation, UsageBucket,
 };
-use crank_runtime::{PreparedRequest, ResolvedAuth, RuntimeError, RuntimeExecutor, SecretCrypto};
+use crank_runtime::{
+    OutboundHttpPolicy, PreparedRequest, ResolvedAuth, RuntimeError, RuntimeExecutor, SecretCrypto,
+};
 use crank_schema::{Schema, SchemaKind};
 use serde_json::{Value, json};
 use sha2::{Digest, Sha256};
@@ -38,8 +40,8 @@ mod workspaces;
 
 use crate::{auth::AuthSettings, error::ApiError, storage::LocalArtifactStorage};
 use operation_validation::{
-    validate_approval_policy, validate_idempotency_policy, validate_protocol_target,
-    validate_response_cache_policy,
+    validate_approval_policy, validate_execution_timeout, validate_idempotency_policy,
+    validate_protocol_target, validate_response_cache_policy,
 };
 
 #[derive(Clone)]
@@ -53,6 +55,7 @@ pub struct AdminService {
     policy_engine: Arc<dyn PolicyEngine>,
     audit_sink: Arc<dyn AuditSink>,
     capability_profile: Arc<dyn CapabilityProfile>,
+    outbound_http_policy: OutboundHttpPolicy,
 }
 
 pub struct AdminServiceBuilder {
@@ -65,6 +68,7 @@ pub struct AdminServiceBuilder {
     policy_engine: Option<Arc<dyn PolicyEngine>>,
     audit_sink: Option<Arc<dyn AuditSink>>,
     capability_profile: Option<Arc<dyn CapabilityProfile>>,
+    outbound_http_policy: OutboundHttpPolicy,
 }
 
 pub use crate::dto::*;
@@ -139,6 +143,7 @@ impl AdminServiceBuilder {
             policy_engine: None,
             audit_sink: None,
             capability_profile: None,
+            outbound_http_policy: OutboundHttpPolicy::default(),
         }
     }
 
@@ -147,6 +152,11 @@ impl AdminServiceBuilder {
         self
     }
 
+    pub fn with_outbound_http_policy(mut self, policy: OutboundHttpPolicy) -> Self {
+        self.outbound_http_policy = policy;
+        self
+    }
+
     #[allow(dead_code)]
     pub fn with_policy_engine(mut self, policy_engine: Arc<dyn PolicyEngine>) -> Self {
         self.policy_engine = Some(policy_engine);
@@ -183,6 +193,7 @@ impl AdminServiceBuilder {
             capability_profile: self
                 .capability_profile
                 .unwrap_or_else(|| Arc::new(CommunityCapabilityProfile)),
+            outbound_http_policy: self.outbound_http_policy,
         }
     }
 }
@@ -297,6 +308,8 @@ impl AdminService {
     fn validate_operation_payload(&self, payload: &OperationPayload) -> Result<(), ApiError> {
         self.validate_operation_capabilities(payload.protocol, payload.security_level)?;
         validate_protocol_target(payload.protocol, &payload.target)?;
+        self.validate_outbound_target(&payload.target)?;
+        validate_execution_timeout(&payload.execution_config)?;
         validate_response_cache_policy(&payload.target, &payload.execution_config)?;
         validate_idempotency_policy(&payload.target, &payload.execution_config)?;
         validate_approval_policy(&payload.execution_config)?;
@@ -308,6 +321,8 @@ impl AdminService {
     fn validate_registry_operation(&self, operation: &RegistryOperation) -> Result<(), ApiError> {
         self.validate_operation_capabilities(operation.protocol, operation.security_level)?;
         validate_protocol_target(operation.protocol, &operation.target)?;
+        self.validate_outbound_target(&operation.target)?;
+        validate_execution_timeout(&operation.execution_config)?;
         validate_response_cache_policy(&operation.target, &operation.execution_config)?;
         validate_idempotency_policy(&operation.target, &operation.execution_config)?;
         validate_approval_policy(&operation.execution_config)?;
@@ -316,6 +331,15 @@ impl AdminService {
         Ok(())
     }
 
+    fn validate_outbound_target(&self, target: &crank_core::Target) -> Result<(), ApiError> {
+        match target {
+            crank_core::Target::Rest(rest) => self
+                .outbound_http_policy
+                .validate_base_url(&rest.base_url)
+                .map_err(|error| ApiError::validation(error.to_string())),
+        }
+    }
+
     fn validate_operation_capabilities(
         &self,
         protocol: Protocol,

apps/admin-api/src/service/operation_validation.rs

@@ -3,6 +3,8 @@ use serde_json::json;
 
 use crate::error::ApiError;
 
+const MAX_OPERATION_TIMEOUT_MS: u64 = 300_000;
+
 pub(super) fn validate_protocol_target(
     protocol: Protocol,
     target: &Target,
@@ -16,6 +18,18 @@ pub(super) fn validate_protocol_target(
     Err(ApiError::validation("protocol and target kind must match"))
 }
 
+pub(super) fn validate_execution_timeout(
+    execution_config: &crank_core::ExecutionConfig,
+) -> Result<(), ApiError> {
+    if !(1..=MAX_OPERATION_TIMEOUT_MS).contains(&execution_config.timeout_ms) {
+        return Err(ApiError::validation_with_context(
+            format!("operation timeout must be between 1 and {MAX_OPERATION_TIMEOUT_MS} ms"),
+            json!({ "field": "execution_config.timeout_ms" }),
+        ));
+    }
+    Ok(())
+}
+
 pub(super) fn validate_response_cache_policy(
     target: &Target,
     execution_config: &crank_core::ExecutionConfig,
@@ -125,8 +139,9 @@ pub(super) fn validate_approval_policy(
         ));
     }
 
-    if let Some(message) = policy.elicitation_message.as_ref() {
-        if message.chars().count() > 240 {
+    if let Some(message) = policy.elicitation_message.as_ref()
+        && message.chars().count() > 240
+    {
         return Err(ApiError::validation_with_context(
             "approval elicitation message must be at most 240 characters".to_owned(),
             json!({
@@ -134,7 +149,6 @@ pub(super) fn validate_approval_policy(
             }),
         ));
     }
-    }
 
     Ok(())
 }
@@ -150,7 +164,8 @@ mod tests {
     };
 
     use super::{
-        validate_approval_policy, validate_idempotency_policy, validate_response_cache_policy,
+        validate_approval_policy, validate_execution_timeout, validate_idempotency_policy,
+        validate_response_cache_policy,
     };
 
     fn cacheable_execution_config() -> ExecutionConfig {
@@ -198,6 +213,19 @@ mod tests {
         assert!(result.is_ok());
     }
 
+    #[test]
+    fn rejects_zero_and_excessive_execution_timeouts() {
+        let mut config = cacheable_execution_config();
+        config.timeout_ms = 0;
+        assert!(validate_execution_timeout(&config).is_err());
+
+        config.timeout_ms = 300_001;
+        assert!(validate_execution_timeout(&config).is_err());
+
+        config.timeout_ms = 300_000;
+        assert!(validate_execution_timeout(&config).is_ok());
+    }
+
     #[test]
     fn rejects_response_cache_for_non_get_rest_operation() {
         let target = Target::Rest(RestTarget {

apps/admin-api/src/state.rs

@@ -5,4 +5,10 @@ use crank_runtime::RequestRateLimiter;
 pub struct AppState {
     pub service: AdminService,
     pub api_rate_limiter: RequestRateLimiter,
+    /// Whether to trust `X-Real-IP` / `X-Forwarded-For` for client identification.
+    ///
+    /// Only enable when the service sits behind a trusted reverse proxy that
+    /// overwrites these headers (e.g. the bundled nginx). When disabled the
+    /// real TCP peer address is used, which a client cannot spoof.
+    pub trust_forwarded_headers: bool,
 }

apps/admin-api/tests/integration/auth_rate_limit.rs

@@ -109,10 +109,14 @@ async fn rejects_rapid_login_requests_with_429() {
         api_rate_limiter: crank_runtime::RequestRateLimiter::new(
             crank_runtime::RequestRateLimitConfig::new(1, 1).unwrap(),
         ),
+        trust_forwarded_headers: false,
     });
     let (shutdown_tx, shutdown_rx) = tokio::sync::oneshot::channel();
     let handle = tokio::spawn(async move {
-        axum::serve(listener, app)
+        axum::serve(
+            listener,
+            app.into_make_service_with_connect_info::<std::net::SocketAddr>(),
+        )
         .with_graceful_shutdown(async move {
             let _ = shutdown_rx.await;
         })

apps/admin-api/tests/integration/common.rs

@@ -104,6 +104,7 @@ pub(super) fn build_test_app(
         api_rate_limiter: crank_runtime::RequestRateLimiter::new(
             crank_runtime::RequestRateLimitConfig::new(10_000, 10_000).unwrap(),
         ),
+        trust_forwarded_headers: false,
     })
 }
 
@@ -113,13 +114,16 @@ pub(super) fn test_service(
     auth_settings: AuthSettings,
     secret_crypto: SecretCrypto,
 ) -> AdminService {
+    let outbound_policy = crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]);
+    let runtime = crank_runtime::community_with_outbound_policy(outbound_policy.clone()).build();
     AdminServiceBuilder::new(
         registry,
         storage_root,
         auth_settings,
         secret_crypto,
-        crank_runtime::RuntimeExecutor::new(),
+        runtime,
     )
+    .with_outbound_http_policy(outbound_policy)
     .build()
 }
 

apps/mcp-server/Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.85-bookworm AS deps
+FROM rust:1.96.1-bookworm AS deps
 
 WORKDIR /app
 
@@ -36,7 +36,7 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
     --mount=type=cache,target=/app/target \
     SQLX_OFFLINE=true cargo build --release -p mcp-server
 
-FROM rust:1.85-bookworm AS builder
+FROM rust:1.96.1-bookworm AS builder
 
 WORKDIR /app
 

apps/mcp-server/src/main.rs

@@ -1,12 +1,13 @@
 use std::{env, net::SocketAddr, time::Duration};
 
 use crank_community_mcp::{
-    auth::CommunityMachineCredentialVerifier, build_app, session::PostgresTransportSessionStore,
+    auth::CommunityMachineCredentialVerifier, build_app_with_background_workers,
+    session::PostgresTransportSessionStore,
 };
 use crank_registry::{PostgresPoolConfig, PostgresRegistry};
 use crank_runtime::{
     RequestRateLimitConfig, RequestRateLimiter, RuntimeCacheConfig, RuntimeCacheStores,
-    RuntimeLimits, SecretCrypto, community_default,
+    RuntimeLimits, SecretCrypto,
 };
 use sqlx::postgres::PgConnectOptions;
 use tokio::net::TcpListener;
@@ -46,12 +47,12 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     )
     .await?;
     let secret_crypto = SecretCrypto::new(&env::var("CRANK_MASTER_KEY")?)?;
-    let runtime = community_default()
+    let runtime = crank_runtime::community_from_env()?
         .with_limits(runtime_limits)
         .with_response_cache(cache_stores.response.clone())
         .with_coordination_store(cache_stores.coordination.clone())
         .build();
-    let app = build_app(
+    let app = build_app_with_background_workers(
         registry,
         refresh_interval,
         base_url,

apps/mcp-server/tests/integration/catalog_access.rs

@@ -142,7 +142,10 @@ fn build_test_app_with_store(
         refresh_interval,
         public_base_url,
         SecretCrypto::new("test-master-key").unwrap(),
-        RuntimeExecutor::new(),
+        crank_runtime::community_with_outbound_policy(
+            crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]),
+        )
+        .build(),
         RequestRateLimiter::new(rate_limit_config),
         std::sync::Arc::new(InMemoryCoordinationStateStore::default()),
         sessions,

apps/mcp-server/tests/integration/common.rs

@@ -135,7 +135,10 @@ fn build_test_app_with_store(
         refresh_interval,
         public_base_url,
         SecretCrypto::new("test-master-key").unwrap(),
-        RuntimeExecutor::new(),
+        crank_runtime::community_with_outbound_policy(
+            crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]),
+        )
+        .build(),
         RequestRateLimiter::new(rate_limit_config),
         std::sync::Arc::new(InMemoryCoordinationStateStore::default()),
         sessions,

apps/mcp-server/tests/integration/transport_protocol.rs

@@ -136,7 +136,10 @@ fn build_test_app_with_store(
         refresh_interval,
         public_base_url,
         SecretCrypto::new("test-master-key").unwrap(),
-        RuntimeExecutor::new(),
+        crank_runtime::community_with_outbound_policy(
+            crank_runtime::OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]),
+        )
+        .build(),
         RequestRateLimiter::new(rate_limit_config),
         std::sync::Arc::new(InMemoryCoordinationStateStore::default()),
         sessions,

apps/ui/css/fonts.css

@@ -0,0 +1,97 @@
+/* Local font assets are copied from pinned @fontsource packages during the UI build. */
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 400;
+  src: url('../fonts/inter-cyrillic-400-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 400;
+  src: url('../fonts/inter-latin-400-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 500;
+  src: url('../fonts/inter-cyrillic-500-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 500;
+  src: url('../fonts/inter-latin-500-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 600;
+  src: url('../fonts/inter-cyrillic-600-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 600;
+  src: url('../fonts/inter-latin-600-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 700;
+  src: url('../fonts/inter-cyrillic-700-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'Inter';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 700;
+  src: url('../fonts/inter-latin-700-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 400;
+  src: url('../fonts/jetbrains-mono-cyrillic-400-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 400;
+  src: url('../fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 500;
+  src: url('../fonts/jetbrains-mono-cyrillic-500-normal.woff2') format('woff2');
+  unicode-range: U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116;
+}
+@font-face {
+  font-family: 'JetBrains Mono';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 500;
+  src: url('../fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
+  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}

apps/ui/css/layout.css

@@ -246,7 +246,7 @@ body.page-leaving .ws-setup-body {
 .mobile-nav-link.active { color: var(--text-primary); background: var(--bg-overlay); }
 
 /* ── Responsive breakpoints ── */
-@media (max-width: 720px) {
+@media (max-width: 980px) {
   .navbar { padding: 0 16px; }
   .nav-links { display: none; }
   .nav-hamburger { display: flex; }

apps/ui/css/wizard.css

@@ -467,7 +467,11 @@
   cursor: pointer;
   position: relative;
   z-index: 1;
-  transition: background 0.15s;
+  text-align: left;
+  transition:
+    background 0.15s,
+    border-color 0.15s,
+    box-shadow 0.15s;
   border: 1px solid transparent;
 }
 
@@ -1824,6 +1828,118 @@
   cursor: wait;
 }
 
+@media (max-width: 900px) {
+  .progress-strip {
+    padding: 0 16px;
+    gap: 12px;
+  }
+
+  .wizard-body {
+    display: grid;
+    padding: 24px 16px 120px;
+  }
+
+  .step-sidebar {
+    position: static;
+    width: auto;
+    flex-basis: auto;
+  }
+
+  .step-sidebar-card {
+    border-radius: 10px;
+  }
+
+  .step-sidebar-header {
+    padding: 14px 16px 12px;
+  }
+
+  .steps-list {
+    display: grid;
+    grid-template-columns: repeat(5, minmax(0, 1fr));
+    gap: 8px;
+  }
+
+  .steps-list::before {
+    left: calc((100% - 32px) / 10);
+    right: calc((100% - 32px) / 10);
+    top: 27px;
+    bottom: auto;
+    width: auto;
+    height: 1px;
+  }
+
+  .step-item {
+    display: grid;
+    justify-items: center;
+    align-content: start;
+    gap: 8px;
+    min-height: 96px;
+    padding: 10px 6px 9px;
+    text-align: center;
+  }
+
+  .sidebar-help {
+    display: none;
+  }
+
+  .step-content {
+    width: 100%;
+    padding-top: 0;
+  }
+
+  .step-number {
+    margin-bottom: 3px;
+    font-size: 9.5px;
+  }
+
+  .step-name {
+    display: -webkit-box;
+    min-height: 28px;
+    overflow: hidden;
+    white-space: normal;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    font-size: 11px;
+    line-height: 1.25;
+  }
+
+  .step-status-text {
+    margin-top: 3px;
+    font-size: 10px;
+    line-height: 1.2;
+  }
+
+  .action-bar-inner {
+    padding: 0 16px;
+  }
+}
+
+@media (max-width: 560px) {
+  .progress-label,
+  .progress-pct,
+  .btn-save-draft,
+  .step-counter {
+    display: none;
+  }
+
+  .step-item {
+    min-height: 88px;
+    padding: 9px 4px 8px;
+  }
+
+  .step-number {
+    font-size: 9px;
+  }
+
+  .step-name {
+    font-size: 10px;
+  }
+
+  .step-status-text {
+    font-size: 9.5px;
+  }
+}
+
 /* ══════════════════════════════════════════════
    HTTP method picker (Step 4 REST)
    ══════════════════════════════════════════════ */

apps/ui/css/workspace-setup.css

@@ -37,7 +37,11 @@
   color: var(--text-muted);
   text-decoration: none;
   padding: 6px 10px;
+  border: 0;
+  background: none;
   border-radius: 6px;
+  font-family: inherit;
+  cursor: pointer;
   transition: color 0.15s, background 0.15s;
 }
 .ws-setup-back:hover { color: var(--text-secondary); background: rgba(255,255,255,0.04); }
@@ -107,6 +111,7 @@
 .ws-color-swatch {
   width: 20px;
   height: 20px;
+  padding: 0;
   border-radius: 5px;
   cursor: pointer;
   border: 2px solid transparent;

apps/ui/html/agents.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Agents</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">
@@ -49,12 +49,12 @@
             <div class="user-dropdown-name">Crank</div>
             <div class="user-dropdown-role" id="user-ws-role">—</div>
           </div>
-          <button class="user-dropdown-item" onclick="window.location.href='/settings'">
+          <a class="user-dropdown-item" href="/settings">
             <svg width="13" height="13"><use href="icons/general/settings.svg#icon"/></svg>
             <span data-i18n="nav.settings">Settings</span>
-          </button>
+          </a>
           <div class="dropdown-divider"></div>
-          <button class="user-dropdown-item danger" onclick="window.CrankAuth.logout()">
+          <button class="user-dropdown-item danger" @click="window.CrankAuth.logout()">
             <svg width="13" height="13"><use href="icons/general/logout.svg#icon"/></svg>
             <span data-i18n="nav.logout">Log out</span>
           </button>

apps/ui/html/api-keys.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Agent Keys</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">

apps/ui/html/fragments/lang-switcher.html

@@ -1,11 +1,11 @@
 <div class="field-group" style="margin-top:8px;">
   <label class="field-label">Interface language</label>
   <div class="lang-switcher" style="display:flex;gap:6px;margin-top:6px;">
-    <button class="lang-btn" data-lang="en" onclick="setLang('en')">
+    <button class="lang-btn" data-lang="en">
       <span class="lang-flag">🇬🇧</span>
       <span data-i18n="settings.lang.en">English</span>
     </button>
-    <button class="lang-btn" data-lang="ru" onclick="setLang('ru')">
+    <button class="lang-btn" data-lang="ru">
       <span class="lang-flag">🇷🇺</span>
       <span data-i18n="settings.lang.ru">Русский</span>
     </button>

apps/ui/html/login.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Sign in</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/login.css">
   <script src="%CRANK_BUNDLE_LOGIN%"></script>

apps/ui/html/logs.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Logs</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">

apps/ui/html/secrets.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Secrets</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">

apps/ui/html/settings.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Settings</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">
@@ -172,11 +172,11 @@
                 <label class="field-label" data-i18n="settings.lang.title">Language</label>
                 <div class="field-hint" data-i18n="settings.lang.subtitle">Interface display language</div>
                 <div class="lang-switcher">
-                  <button class="lang-btn" data-lang="en" type="button" onclick="setLang('en')">
+                  <button class="lang-btn" data-lang="en" type="button">
                     <span class="lang-flag">🇬🇧</span>
                     <span data-i18n="settings.lang.en">English</span>
                   </button>
-                  <button class="lang-btn" data-lang="ru" type="button" onclick="setLang('ru')">
+                  <button class="lang-btn" data-lang="ru" type="button">
                     <span class="lang-flag">🇷🇺</span>
                     <span data-i18n="settings.lang.ru">Русский</span>
                   </button>

apps/ui/html/usage.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Usage</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">

apps/ui/html/wizard/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — New Operation</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="../../css/fonts.css">
   <link rel="stylesheet" href="../../css/variables.css">
   <link rel="stylesheet" href="../../css/layout.css">
   <link rel="stylesheet" href="../../css/wizard.css">

apps/ui/html/wizard/step2.html

@@ -30,7 +30,7 @@
 
               <!-- Searchable combobox -->
               <div class="upstream-combobox" id="upstream-combobox">
-                <div class="upstream-combobox-trigger" id="upstream-combobox-trigger" onclick="toggleUpstreamDropdown(event)">
+                <div class="upstream-combobox-trigger" id="upstream-combobox-trigger" data-wizard-action="toggle-upstream">
                   <div class="upstream-combobox-value" id="upstream-combobox-value">
                     <span class="upstream-combobox-placeholder" data-i18n="wizard.step2.upstream_placeholder">Выберите API-хост…</span>
                   </div>
@@ -45,7 +45,7 @@
                     <svg width="13" height="13" viewBox="0 0 16 16" fill="none" stroke="var(--text-muted)" stroke-width="1.8" stroke-linecap="round">
                       <circle cx="7" cy="7" r="5"/><path d="M12 12l2.5 2.5"/>
                     </svg>
-                    <input class="upstream-search-input" id="upstream-search" type="text" data-i18n-ph="wizard.step2.search_placeholder" placeholder="Поиск по имени или URL…" oninput="filterUpstreams(this.value)" autocomplete="off" spellcheck="false">
+                    <input class="upstream-search-input" id="upstream-search" type="text" data-i18n-ph="wizard.step2.search_placeholder" placeholder="Поиск по имени или URL…" autocomplete="off" spellcheck="false">
                   </div>
                   <div class="upstream-dropdown-list" id="upstream-dropdown-list">
                     <!-- populated by JS -->
@@ -58,11 +58,11 @@
                 <div class="upstream-preview-name" id="upstream-preview-name"></div>
                 <div class="upstream-preview-url" id="upstream-preview-url"></div>
                 <span class="upstream-auth-badge" id="upstream-preview-badge"></span>
-                <button class="upstream-preview-change" onclick="beginEditSelectedUpstream(event)" data-i18n="wizard.step2.change">Изменить</button>
+                <button class="upstream-preview-change" data-wizard-action="edit-upstream" data-i18n="wizard.step2.change">Изменить</button>
               </div>
 
               <!-- Register new upstream trigger row -->
-              <div class="upstream-new-trigger" id="upstream-new-trigger" onclick="startNewUpstream()">
+              <div class="upstream-new-trigger" id="upstream-new-trigger" data-wizard-action="new-upstream">
                 <div class="upstream-new-trigger-radio" id="upstream-new-trigger-radio">
                   <div class="upstream-new-trigger-dot"></div>
                 </div>
@@ -89,7 +89,7 @@
                   </div>
                   <div class="form-group">
                     <label class="form-label" data-i18n="wizard.step2.auth_selector">Авторизация API-хоста</label>
-                    <select class="form-select" id="new-upstream-auth-mode" data-testid="wizard-auth-mode-select" onchange="updateUpstreamAuthUi()">
+                    <select class="form-select" id="new-upstream-auth-mode" data-testid="wizard-auth-mode-select">
                       <option value="none" data-i18n="wizard.step2.auth_mode.none">Без авторизации</option>
                       <option value="existing" data-i18n="wizard.step2.auth_mode.existing">Использовать существующий профиль авторизации</option>
                       <option value="create" data-i18n="wizard.step2.auth_mode.create">Создать профиль авторизации сейчас</option>
@@ -118,7 +118,7 @@
                       <div class="form-row" style="grid-template-columns: 1fr 1fr;">
                         <div class="form-group">
                           <label class="form-label"><span data-i18n="wizard.step2.profile_kind">Тип авторизации</span> <span class="form-label-required" data-i18n="workspace_setup.required">обязательно</span></label>
-                          <select class="form-select" id="new-auth-profile-kind" data-testid="wizard-auth-profile-kind-select" onchange="updateAuthProfileCreateUi()">
+                          <select class="form-select" id="new-auth-profile-kind" data-testid="wizard-auth-profile-kind-select">
                             <option value="bearer" data-i18n="wizard.step2.auth_kind.bearer">Bearer-токен</option>
                             <option value="basic" data-i18n="wizard.step2.auth_kind.basic">Логин и пароль</option>
                             <option value="api_key_header" data-i18n="wizard.step2.auth_kind.api_key_header">API-ключ в заголовке</option>
@@ -149,7 +149,7 @@
                         <select class="form-select" id="new-auth-profile-secret-id" data-testid="wizard-auth-secret-select"></select>
                       </div>
                       <div style="display:flex; gap:8px; align-items:center; flex-wrap:wrap;">
-                        <button class="btn-ghost-sm" data-testid="wizard-open-quick-secret" onclick="openQuickSecretModal(event)" data-i18n="wizard.step2.quick_secret">Быстро создать секрет</button>
+                        <button class="btn-ghost-sm" data-testid="wizard-open-quick-secret" data-wizard-action="quick-secret" data-i18n="wizard.step2.quick_secret">Быстро создать секрет</button>
                         <a class="btn-ghost-sm" href="/secrets" target="_blank" rel="noopener" data-i18n="wizard.step2.manage_secrets">Открыть страницу секретов</a>
                       </div>
                     </div>
@@ -168,8 +168,8 @@
                     <div class="form-hint" data-i18n="wizard.step2.static_headers_hint">Необязательные заголовки без секретных значений. Токены, пароли и ключи храните через профиль авторизации.</div>
                   </div>
                   <div style="display:flex; gap:8px; margin-top:4px;">
-                    <button class="btn-primary-sm" onclick="saveNewUpstream(event)" data-i18n="wizard.step2.save_upstream">Сохранить API-хост</button>
-                    <button class="btn-ghost-sm" onclick="cancelNewUpstream(event)" data-i18n="btn.cancel">Отмена</button>
+                    <button class="btn-primary-sm" data-wizard-action="save-upstream" data-i18n="wizard.step2.save_upstream">Сохранить API-хост</button>
+                    <button class="btn-ghost-sm" data-wizard-action="cancel-upstream" data-i18n="btn.cancel">Отмена</button>
                   </div>
                 </div>
               </div>

apps/ui/html/wizard/step3-rest.html

@@ -25,23 +25,23 @@
             </div>
             <div class="config-card-body">
               <div class="method-grid">
-                <button class="method-card" data-method="GET" onclick="selectMethod(this)">
+                <button class="method-card" data-method="GET">
                   <span class="method-name">GET</span>
                   <span class="method-desc" data-i18n="wizard.step3.rest.read">Чтение</span>
                 </button>
-                <button class="method-card active" data-method="POST" onclick="selectMethod(this)">
+                <button class="method-card active" data-method="POST">
                   <span class="method-name">POST</span>
                   <span class="method-desc" data-i18n="wizard.step3.rest.create">Создание</span>
                 </button>
-                <button class="method-card" data-method="PUT" onclick="selectMethod(this)">
+                <button class="method-card" data-method="PUT">
                   <span class="method-name">PUT</span>
                   <span class="method-desc" data-i18n="wizard.step3.rest.replace">Замена</span>
                 </button>
-                <button class="method-card" data-method="PATCH" onclick="selectMethod(this)">
+                <button class="method-card" data-method="PATCH">
                   <span class="method-name">PATCH</span>
                   <span class="method-desc" data-i18n="wizard.step3.rest.update">Обновление</span>
                 </button>
-                <button class="method-card" data-method="DELETE" onclick="selectMethod(this)">
+                <button class="method-card" data-method="DELETE">
                   <span class="method-name">DELETE</span>
                   <span class="method-desc" data-i18n="wizard.step3.rest.remove">Удаление</span>
                 </button>

apps/ui/html/workspace-setup.html

@@ -5,7 +5,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Workspace</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/pages.css">
@@ -24,10 +24,10 @@
       </div>
       Crank
     </a>
-    <a href="javascript:history.back()" class="ws-setup-back">
+    <button type="button" class="ws-setup-back" data-history-back>
       <svg width="13" height="13" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M10 4l-4 4 4 4"/></svg>
       <span data-i18n="workspace_setup.back">Back</span>
-    </a>
+    </button>
   </div>
 
   <!-- Body -->
@@ -48,27 +48,27 @@
           <div>
             <div class="ws-avatar-hint" data-i18n="workspace_setup.identity.avatar_hint">Avatar is derived from your workspace name.</div>
             <div class="ws-color-swatches">
-              <div class="ws-color-swatch active" style="background:#0d9488;" data-color="#0d9488" onclick="pickColor(this)" title="Teal"></div>
-              <div class="ws-color-swatch" style="background:#7c3aed;" data-color="#7c3aed" onclick="pickColor(this)" title="Purple"></div>
-              <div class="ws-color-swatch" style="background:#0891b2;" data-color="#0891b2" onclick="pickColor(this)" title="Cyan"></div>
-              <div class="ws-color-swatch" style="background:#d29922;" data-color="#d29922" onclick="pickColor(this)" title="Amber"></div>
-              <div class="ws-color-swatch" style="background:#1a7f37;" data-color="#1a7f37" onclick="pickColor(this)" title="Green"></div>
-              <div class="ws-color-swatch" style="background:#cf222e;" data-color="#cf222e" onclick="pickColor(this)" title="Red"></div>
-              <div class="ws-color-swatch" style="background:#5e6ad2;" data-color="#5e6ad2" onclick="pickColor(this)" title="Indigo"></div>
+              <button class="ws-color-swatch active" style="background:#0d9488;" data-color="#0d9488" type="button" title="Teal"></button>
+              <button class="ws-color-swatch" style="background:#7c3aed;" data-color="#7c3aed" type="button" title="Purple"></button>
+              <button class="ws-color-swatch" style="background:#0891b2;" data-color="#0891b2" type="button" title="Cyan"></button>
+              <button class="ws-color-swatch" style="background:#d29922;" data-color="#d29922" type="button" title="Amber"></button>
+              <button class="ws-color-swatch" style="background:#1a7f37;" data-color="#1a7f37" type="button" title="Green"></button>
+              <button class="ws-color-swatch" style="background:#cf222e;" data-color="#cf222e" type="button" title="Red"></button>
+              <button class="ws-color-swatch" style="background:#5e6ad2;" data-color="#5e6ad2" type="button" title="Indigo"></button>
             </div>
           </div>
         </div>
 
         <div class="form-group" style="margin-bottom:14px;">
           <label class="form-label"><span data-i18n="workspace_setup.name">Workspace name</span> <span class="form-label-required" data-i18n="workspace_setup.required">required</span></label>
-          <input class="form-input" id="ws-name" type="text" placeholder="Acme Inc" autocomplete="off" oninput="onWsNameInput(this.value)">
+          <input class="form-input" id="ws-name" type="text" placeholder="Acme Inc" autocomplete="off">
         </div>
 
         <div class="form-group" style="margin-bottom:14px;">
           <label class="form-label"><span data-i18n="workspace_setup.slug">Slug</span> <span class="form-label-required" data-i18n="workspace_setup.required">required</span></label>
           <div style="position:relative;">
             <span style="position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-muted);font-family:monospace;pointer-events:none;">mcp.crank.io/</span>
-            <input class="form-input input-mono" id="ws-slug" type="text" placeholder="acme-inc" autocomplete="off" style="padding-left: 112px;" oninput="onWsSlugInput(this.value)">
+            <input class="form-input input-mono" id="ws-slug" type="text" placeholder="acme-inc" autocomplete="off" style="padding-left: 112px;">
           </div>
           <div class="form-hint" data-i18n="workspace_setup.slug_hint">Only lowercase letters, numbers, and hyphens. Used in MCP endpoint URLs.</div>
         </div>
@@ -81,8 +81,8 @@
 
       <!-- ── Actions ── -->
       <div class="ws-setup-actions">
-        <a href="javascript:history.back()" class="btn-ghost-sm" style="padding:9px 18px;font-size:13px;text-decoration:none;color:var(--text-secondary);" data-i18n="btn.cancel">Cancel</a>
-        <button class="btn-primary ws-submit-btn" id="submit-btn" type="button" onclick="submitForm()" data-i18n="workspace_setup.actions.save">Save changes</button>
+        <button type="button" class="btn-ghost-sm" data-history-back style="padding:9px 18px;font-size:13px;text-decoration:none;color:var(--text-secondary);" data-i18n="btn.cancel">Cancel</button>
+        <button class="btn-primary ws-submit-btn" id="submit-btn" type="button" data-i18n="workspace_setup.actions.save">Save changes</button>
       </div>
 
       <div class="ws-setup-footer-note" id="footer-note" hidden>

apps/ui/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Crank — Operations</title>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+  <link rel="stylesheet" href="css/fonts.css">
   <link rel="stylesheet" href="css/variables.css">
   <link rel="stylesheet" href="css/layout.css">
   <link rel="stylesheet" href="css/catalog.css">

apps/ui/js/api.js

@@ -124,14 +124,6 @@
     return encoded ? ('?' + encoded) : '';
   }
 
-  function postBytes(path, bytes, fileName) {
-    return request(API_BASE + path, {
-      method: 'POST',
-      headers: headers(fileName ? { 'X-File-Name': fileName } : {}),
-      body: bytes,
-    });
-  }
-
   window.CrankApi = {
     login: function(payload) {
       return request(AUTH_BASE + '/login', {

apps/ui/js/settings.js

@@ -330,6 +330,9 @@ async function loadWorkspaceSettings() {
 }
 
 async function initSettingsPage() {
+  document.querySelectorAll('.lang-btn[data-lang]').forEach(function(button) {
+    button.addEventListener('click', function() { setLang(button.dataset.lang); });
+  });
   bindSectionNavigation();
   await loadProfile();
   await loadCapabilities();

apps/ui/js/wizard.js

@@ -83,6 +83,7 @@ async function initWizardPage() {
   await loadProtocolCapabilities();
 
   await loadWizardPanels([1, 2, 3, 4, 5]);
+  bindWizardPanelActions();
   if (window.CrankOverlay && typeof window.CrankOverlay.render === 'function') {
     await window.CrankOverlay.render(document, {
       workspace: workspace,
@@ -248,6 +249,36 @@ function selectMethod(btn) {
   }
 }
 
+function bindWizardPanelActions() {
+  var upstreamSearch = document.getElementById('upstream-search');
+  var authMode = document.getElementById('new-upstream-auth-mode');
+  var authKind = document.getElementById('new-auth-profile-kind');
+
+  if (upstreamSearch) {
+    upstreamSearch.addEventListener('input', function(event) {
+      filterUpstreams(event.target.value);
+    });
+  }
+  if (authMode) authMode.addEventListener('change', updateUpstreamAuthUi);
+  if (authKind) authKind.addEventListener('change', updateAuthProfileCreateUi);
+
+  document.querySelectorAll('.method-card[data-method]').forEach(function(button) {
+    button.addEventListener('click', function() { selectMethod(button); });
+  });
+
+  document.querySelectorAll('[data-wizard-action]').forEach(function(element) {
+    element.addEventListener('click', function(event) {
+      var action = element.dataset.wizardAction;
+      if (action === 'toggle-upstream') toggleUpstreamDropdown(event);
+      if (action === 'edit-upstream') beginEditSelectedUpstream(event);
+      if (action === 'new-upstream') startNewUpstream();
+      if (action === 'quick-secret') openQuickSecretModal(event);
+      if (action === 'save-upstream') void saveNewUpstream(event);
+      if (action === 'cancel-upstream') cancelNewUpstream(event);
+    });
+  });
+}
+
 function escapeHtml(str) {
   return String(str).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
 }

apps/ui/js/workspace-setup.js

@@ -207,6 +207,17 @@ async function exportWorkspaceSnapshot() {
 async function initPage() {
   updatePageMode();
 
+  document.querySelectorAll('.ws-color-swatch').forEach(function(swatch) {
+    swatch.addEventListener('click', function() { pickColor(swatch); });
+  });
+  document.querySelectorAll('[data-history-back]').forEach(function(button) {
+    button.addEventListener('click', function() { window.history.back(); });
+  });
+  var elements = formElements();
+  elements.name.addEventListener('input', function(event) { onWsNameInput(event.target.value); });
+  elements.slug.addEventListener('input', function(event) { onWsSlugInput(event.target.value); });
+  elements.submit.addEventListener('click', submitForm);
+
   var exportButton = document.getElementById('export-workspace-btn');
   if (exportButton) {
     exportButton.addEventListener('click', exportWorkspaceSnapshot);

apps/ui/nginx.conf

@@ -6,6 +6,13 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    add_header X-Frame-Options "DENY" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "no-referrer" always;
+    add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=(), usb=()" always;
+    add_header Cross-Origin-Opener-Policy "same-origin" always;
+    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' data: blob:; connect-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'; form-action 'self'" always;
+
     location = / {
         try_files /index.html =404;
     }

apps/ui/package-lock.json

@@ -6,18 +6,20 @@
     "": {
       "name": "crank-ui",
       "dependencies": {
-        "alpinejs": "3.15.9",
-        "js-yaml": "4.1.1"
+        "@fontsource/inter": "5.2.8",
+        "@fontsource/jetbrains-mono": "5.2.8",
+        "alpinejs": "3.15.12",
+        "js-yaml": "5.2.1"
       },
       "devDependencies": {
-        "@playwright/test": "^1.59.1",
-        "esbuild": "^0.28.0"
+        "@playwright/test": "1.61.1",
+        "esbuild": "0.28.1"
       }
     },
     "node_modules/@esbuild/aix-ppc64": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.0.tgz",
-      "integrity": "sha512-lhRUCeuOyJQURhTxl4WkpFTjIsbDayJHih5kZC1giwE+MhIzAb7mEsQMqMf18rHLsrb5qI1tafG20mLxEWcWlA==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.1.tgz",
+      "integrity": "sha512-Svl7tq8k/08+p6CXPpRjQ1fKX+1odH/BQbb48fV6fj3CWHhsoIOoY87w1oHXm0qEpkIK3ZfVgp0hed3XBXzXMQ==",
       "cpu": [
         "ppc64"
       ],
@@ -32,9 +34,9 @@
       }
     },
     "node_modules/@esbuild/android-arm": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.28.0.tgz",
-      "integrity": "sha512-wqh0ByljabXLKHeWXYLqoJ5jKC4XBaw6Hk08OfMrCRd2nP2ZQ5eleDZC41XHyCNgktBGYMbqnrJKq/K/lzPMSQ==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.28.1.tgz",
+      "integrity": "sha512-0k2F129Xdio1TdJfzJ8sy1Q47vUD2NnwdhiAf7drUN1EBTfPf4hsFCtmMgu/6m8JSzsBrlmVjudMBQqOfG8usQ==",
       "cpu": [
         "arm"
       ],
@@ -49,9 +51,9 @@
       }
     },
     "node_modules/@esbuild/android-arm64": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.28.0.tgz",
-      "integrity": "sha512-+WzIXQOSaGs33tLEgYPYe/yQHf0WTU0X42Jca3y8NWMbUVhp7rUnw+vAsRC/QiDrdD31IszMrZy+qwPOPjd+rw==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.28.1.tgz",
+      "integrity": "sha512-34EGEbCIAgosYz6goLcopX6Mo7NyGv9tfwEM2/7Ce2VcVRk568iSvniGWcUXIy7wEDR1wzolcxcriFVrWYcwBg==",
       "cpu": [
         "arm64"
       ],
@@ -66,9 +68,9 @@
       }
     },
     "node_modules/@esbuild/android-x64": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.28.0.tgz",
-      "integrity": "sha512-+VJggoaKhk2VNNqVL7f6S189UzShHC/mR9EE8rDdSkdpN0KflSwWY/gWjDrNxxisg8Fp1ZCD9jLMo4m0OUfeUA==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.28.1.tgz",
+      "integrity": "sha512-dbwY7ltSMDWsRatcRpCnES4F+im88OCUgGZjy52shC7GqHRE/cYlxNbB4Z4UpJswpcc4Qxd2oE/ufM0p61IKng==",
       "cpu": [
         "x64"
       ],
@@ -83,9 +85,9 @@
       }
     },
     "node_modules/@esbuild/darwin-arm64": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.28.0.tgz",
-      "integrity": "sha512-0T+A9WZm+bZ84nZBtk1ckYsOvyA3x7e2Acj1KdVfV4/2tdG4fzUp91YHx+GArWLtwqp77pBXVCPn2We7Letr0Q==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.28.1.tgz",
+      "integrity": "sha512-TZbWkQY7kvTAXbXUT7uVACR5cMHsDiSz9z7ZKAX/RTq/WJEk3QyRr0wZpNhBDX+/0CtdqUIJlOiodQcta6tY3Q==",
       "cpu": [
         "arm64"
       ],
@@ -100,9 +102,9 @@
       }
     },
     "node_modules/@esbuild/darwin-x64": {
-      "version": "0.28.0",
-      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.28.0.tgz",
-      "integrity": "sha512-fyzLm/DLDl/84OCfp2f/XQ4flmORsjU7VKt8HLjvIXChJoFFOIL6pLJPH4Yhd1n1gGFF9mPwtlN5Wf82DZs+LQ==",
+      "version": "0.28.1",
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-        "@esbuild/darwin-arm64": "0.28.0",
-        "@esbuild/darwin-x64": "0.28.0",
-        "@esbuild/freebsd-arm64": "0.28.0",
-        "@esbuild/freebsd-x64": "0.28.0",
-        "@esbuild/linux-arm": "0.28.0",
-        "@esbuild/linux-arm64": "0.28.0",
-        "@esbuild/linux-ia32": "0.28.0",
-        "@esbuild/linux-loong64": "0.28.0",
-        "@esbuild/linux-mips64el": "0.28.0",
-        "@esbuild/linux-ppc64": "0.28.0",
-        "@esbuild/linux-riscv64": "0.28.0",
-        "@esbuild/linux-s390x": "0.28.0",
-        "@esbuild/linux-x64": "0.28.0",
-        "@esbuild/netbsd-arm64": "0.28.0",
-        "@esbuild/netbsd-x64": "0.28.0",
-        "@esbuild/openbsd-arm64": "0.28.0",
-        "@esbuild/openbsd-x64": "0.28.0",
-        "@esbuild/openharmony-arm64": "0.28.0",
-        "@esbuild/sunos-x64": "0.28.0",
-        "@esbuild/win32-arm64": "0.28.0",
-        "@esbuild/win32-ia32": "0.28.0",
-        "@esbuild/win32-x64": "0.28.0"
+        "@esbuild/aix-ppc64": "0.28.1",
+        "@esbuild/android-arm": "0.28.1",
+        "@esbuild/android-arm64": "0.28.1",
+        "@esbuild/android-x64": "0.28.1",
+        "@esbuild/darwin-arm64": "0.28.1",
+        "@esbuild/darwin-x64": "0.28.1",
+        "@esbuild/freebsd-arm64": "0.28.1",
+        "@esbuild/freebsd-x64": "0.28.1",
+        "@esbuild/linux-arm": "0.28.1",
+        "@esbuild/linux-arm64": "0.28.1",
+        "@esbuild/linux-ia32": "0.28.1",
+        "@esbuild/linux-loong64": "0.28.1",
+        "@esbuild/linux-mips64el": "0.28.1",
+        "@esbuild/linux-ppc64": "0.28.1",
+        "@esbuild/linux-riscv64": "0.28.1",
+        "@esbuild/linux-s390x": "0.28.1",
+        "@esbuild/linux-x64": "0.28.1",
+        "@esbuild/netbsd-arm64": "0.28.1",
+        "@esbuild/netbsd-x64": "0.28.1",
+        "@esbuild/openbsd-arm64": "0.28.1",
+        "@esbuild/openbsd-x64": "0.28.1",
+        "@esbuild/openharmony-arm64": "0.28.1",
+        "@esbuild/sunos-x64": "0.28.1",
+        "@esbuild/win32-arm64": "0.28.1",
+        "@esbuild/win32-ia32": "0.28.1",
+        "@esbuild/win32-x64": "0.28.1"
       }
     },
     "node_modules/fsevents": {
@@ -560,25 +580,35 @@
       }
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.2.1.tgz",
+      "integrity": "sha512-zfLtNfQqxVqq3uaTqSkh4x4hZw3KHobGUA0fJUj4wawW8bsQLTVqpHdXSIzidh7o+4lEW36tANuAGdaFx6Zgnw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
       },
       "bin": {
-        "js-yaml": "bin/js-yaml.js"
+        "js-yaml": "bin/js-yaml.mjs"
       }
     },
     "node_modules/playwright": {
-      "version": "1.59.1",
-      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.59.1.tgz",
-      "integrity": "sha512-C8oWjPR3F81yljW9o5OxcWzfh6avkVwDD2VYdwIGqTkl+OGFISgypqzfu7dOe4QNLL2aqcWBmI3PMtLIK233lw==",
+      "version": "1.61.1",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.61.1.tgz",
+      "integrity": "sha512-DWnY5o3YbLWK4GovuAVwpqL+1VwGNdUGrRr++8j8PtQQzvAVZUIMjKQ90fY689sEJZJBbZVw1rXaOKSTitkzPQ==",
       "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "playwright-core": "1.59.1"
+        "playwright-core": "1.61.1"
       },
       "bin": {
         "playwright": "cli.js"
@@ -591,9 +621,9 @@
       }
     },
     "node_modules/playwright-core": {
-      "version": "1.59.1",
-      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.59.1.tgz",
-      "integrity": "sha512-HBV/RJg81z5BiiZ9yPzIiClYV/QMsDCKUyogwH9p3MCP6IYjUFu/MActgYAvK0oWyV9NlwM3GLBjADyWgydVyg==",
+      "version": "1.61.1",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.61.1.tgz",
+      "integrity": "sha512-h7Qlt6m4REp25qvIdvbDtVmD4LqVXfpRxhORv9L0jzETM05p4fuPJ3dKyuSXQxDSbXnmS79HAgi9589lGSpLkg==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {

apps/ui/package.json

@@ -8,11 +8,13 @@
     "e2e:headed": "playwright test --headed"
   },
   "dependencies": {
-    "alpinejs": "3.15.9",
-    "js-yaml": "4.1.1"
+    "@fontsource/inter": "5.2.8",
+    "@fontsource/jetbrains-mono": "5.2.8",
+    "alpinejs": "3.15.12",
+    "js-yaml": "5.2.1"
   },
   "devDependencies": {
-    "@playwright/test": "^1.59.1",
-    "esbuild": "^0.28.0"
+    "@playwright/test": "1.61.1",
+    "esbuild": "0.28.1"
   }
 }

apps/ui/scripts/build.js

@@ -10,6 +10,10 @@ const BRAND_IMAGE_PATHS = [
   path.join(ROOT_DIR, 'crank-community.png'),
   path.resolve(ROOT_DIR, '..', '..', 'crank-community.png'),
 ];
+const FONT_FILES = [
+  ['@fontsource/inter', 'inter', ['400', '500', '600', '700']],
+  ['@fontsource/jetbrains-mono', 'jetbrains-mono', ['400', '500']],
+];
 
 const BUNDLES = {
   'protected-core': {
@@ -89,7 +93,7 @@ const BUNDLES = {
   },
   wizard: {
     files: [
-      'node_modules/js-yaml/dist/js-yaml.min.js',
+      'node_modules/js-yaml/dist/browser/js-yaml.umd.min.js',
       'js/wizard-state.js',
       'js/wizard-shell.js',
       'js/wizard-upstreams.js',
@@ -136,6 +140,20 @@ function copyDirectory(source, destination) {
   }
 }
 
+function copyFonts() {
+  FONT_FILES.forEach(function([packageName, family, weights]) {
+    weights.forEach(function(weight) {
+      ['latin', 'cyrillic'].forEach(function(subset) {
+        var fileName = `${family}-${subset}-${weight}-normal.woff2`;
+        copyFile(
+          path.join(ROOT_DIR, 'node_modules', packageName, 'files', fileName),
+          path.join(DIST_DIR, 'fonts', fileName)
+        );
+      });
+    });
+  });
+}
+
 function readSource(relativePath) {
   return fs.readFileSync(sourcePath(relativePath), 'utf8');
 }
@@ -191,6 +209,7 @@ async function main() {
   }
 
   copyDirectory(path.join(ROOT_DIR, 'css'), path.join(DIST_DIR, 'css'));
+  copyFonts();
   copyDirectory(path.join(ROOT_DIR, 'data'), path.join(DIST_DIR, 'data'));
   ensureDirectory(path.join(DIST_DIR, 'html', 'wizard'));
   [

apps/ui/scripts/playwright-ui-server.js

@@ -119,8 +119,18 @@ function proxyRequest(request, response) {
       },
     },
     (proxyResponse) => {
+      if (response.destroyed || response.writableEnded) {
+        proxyResponse.resume();
+        return;
+      }
       response.writeHead(proxyResponse.statusCode || 502, proxyResponse.headers);
-      pipeline(proxyResponse, response, () => {});
+      proxyResponse.on('error', function() {
+        if (!response.destroyed) response.destroy();
+      });
+      response.on('close', function() {
+        if (!proxyResponse.destroyed) proxyResponse.destroy();
+      });
+      proxyResponse.pipe(response);
     },
   );
 

apps/ui/tests/e2e/wizard.spec.js

@@ -1,6 +1,29 @@
 const { test, expect } = require('@playwright/test');
 const { getCurrentWorkspace, login, localized } = require('./helpers');
 
+test('mobile wizard progress connector crosses the indicator centers', async ({ page }) => {
+  await page.setViewportSize({ width: 720, height: 900 });
+  await login(page);
+  await page.goto('/wizard/');
+
+  const geometry = await page.locator('.steps-list').evaluate((list) => {
+    const indicators = [...list.querySelectorAll('.step-indicator')];
+    const first = indicators[0].getBoundingClientRect();
+    const last = indicators.at(-1).getBoundingClientRect();
+    const listRect = list.getBoundingClientRect();
+    const line = getComputedStyle(list, '::before');
+    return {
+      leftDelta: Math.abs(listRect.left + Number.parseFloat(line.left) - (first.left + first.width / 2)),
+      rightDelta: Math.abs(listRect.right - Number.parseFloat(line.right) - (last.left + last.width / 2)),
+      topDelta: Math.abs(listRect.top + Number.parseFloat(line.top) - (first.top + first.height / 2)),
+    };
+  });
+
+  expect(geometry.leftDelta).toBeLessThan(1);
+  expect(geometry.rightDelta).toBeLessThan(1);
+  expect(geometry.topDelta).toBeLessThan(1);
+});
+
 test('wizard loads and protocol selection updates flow', async ({ page }) => {
   await login(page);
   await page.goto('/wizard/');

crates/crank-adapter-rest/src/client.rs

@@ -1,9 +1,18 @@
-use std::{collections::BTreeMap, time::Duration};
+use std::{
+    collections::BTreeMap,
+    env, io,
+    net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
+    sync::Arc,
+    time::Duration,
+};
 
 use crank_core::{HttpMethod, RestTarget};
+use futures_util::StreamExt;
 use reqwest::{
     Client,
+    dns::{Addrs, Name, Resolve, Resolving},
     header::{HeaderMap, HeaderName, HeaderValue},
+    redirect,
 };
 use serde_json::Value;
 
@@ -11,9 +20,19 @@ use crate::{RestAdapterError, RestRequest, RestResponse};
 
 #[derive(Clone, Debug)]
 pub struct RestAdapter {
-    client: Client,
+    client: Result<Client, Arc<str>>,
+    policy: OutboundHttpPolicy,
 }
 
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct OutboundHttpPolicy {
+    allowed_hosts: Vec<String>,
+    denied_hosts: Vec<String>,
+    max_response_bytes: usize,
+}
+
+const DEFAULT_MAX_RESPONSE_BYTES: usize = 4 * 1024 * 1024;
+
 impl Default for RestAdapter {
     fn default() -> Self {
         Self::new()
@@ -22,9 +41,25 @@ impl Default for RestAdapter {
 
 impl RestAdapter {
     pub fn new() -> Self {
-        Self {
-            client: Client::new(),
+        Self::with_policy(OutboundHttpPolicy::default())
     }
+
+    pub fn from_env() -> Result<Self, RestAdapterError> {
+        Ok(Self::with_policy(OutboundHttpPolicy::from_env()?))
+    }
+
+    pub fn with_policy(policy: OutboundHttpPolicy) -> Self {
+        let resolver = Arc::new(PolicyDnsResolver {
+            policy: policy.clone(),
+        });
+        let client = Client::builder()
+            .redirect(redirect::Policy::none())
+            .no_proxy()
+            .dns_resolver(resolver)
+            .build()
+            .map_err(|error| Arc::<str>::from(error.to_string()));
+
+        Self { client, policy }
     }
 
     pub async fn execute(
@@ -33,9 +68,15 @@ impl RestAdapter {
         request: &RestRequest,
     ) -> Result<RestResponse, RestAdapterError> {
         let url = build_url(target, request)?;
+        self.policy.validate_url(&url)?;
         let headers = build_headers(target, request)?;
-        let mut builder = self
-            .client
+        let client =
+            self.client
+                .as_ref()
+                .map_err(|details| RestAdapterError::InvalidConfiguration {
+                    details: details.to_string(),
+                })?;
+        let mut builder = client
             .request(to_reqwest_method(target.method), url)
             .headers(headers)
             .timeout(Duration::from_millis(request.timeout_ms));
@@ -47,7 +88,7 @@ impl RestAdapter {
         let response = builder.send().await?;
         let status = response.status();
         let headers = normalize_headers(response.headers());
-        let body = decode_body(response).await?;
+        let body = decode_body(response, self.policy.max_response_bytes).await?;
 
         if !status.is_success() {
             return Err(RestAdapterError::UnexpectedStatus {
@@ -64,6 +105,254 @@ impl RestAdapter {
     }
 }
 
+impl Default for OutboundHttpPolicy {
+    fn default() -> Self {
+        Self {
+            allowed_hosts: Vec::new(),
+            denied_hosts: Vec::new(),
+            max_response_bytes: DEFAULT_MAX_RESPONSE_BYTES,
+        }
+    }
+}
+
+impl OutboundHttpPolicy {
+    pub fn from_env() -> Result<Self, RestAdapterError> {
+        let max_response_bytes = match env::var("CRANK_OUTBOUND_MAX_RESPONSE_BYTES") {
+            Ok(value) => {
+                value
+                    .parse::<usize>()
+                    .map_err(|_| RestAdapterError::InvalidConfiguration {
+                        details: "CRANK_OUTBOUND_MAX_RESPONSE_BYTES must be a positive integer"
+                            .to_owned(),
+                    })?
+            }
+            Err(env::VarError::NotPresent) => DEFAULT_MAX_RESPONSE_BYTES,
+            Err(error) => {
+                return Err(RestAdapterError::InvalidConfiguration {
+                    details: error.to_string(),
+                });
+            }
+        };
+        if max_response_bytes == 0 {
+            return Err(RestAdapterError::InvalidConfiguration {
+                details: "CRANK_OUTBOUND_MAX_RESPONSE_BYTES must be greater than zero".to_owned(),
+            });
+        }
+
+        Ok(Self {
+            allowed_hosts: host_patterns_from_env("CRANK_OUTBOUND_ALLOWED_HOSTS")?,
+            denied_hosts: host_patterns_from_env("CRANK_OUTBOUND_DENIED_HOSTS")?,
+            max_response_bytes,
+        })
+    }
+
+    pub fn allowing_hosts(hosts: impl IntoIterator<Item = impl Into<String>>) -> Self {
+        Self {
+            allowed_hosts: hosts.into_iter().map(Into::into).collect(),
+            ..Self::default()
+        }
+    }
+
+    pub fn with_max_response_bytes(mut self, max_response_bytes: usize) -> Self {
+        self.max_response_bytes = max_response_bytes;
+        self
+    }
+
+    pub fn validate_base_url(&self, base_url: &str) -> Result<(), RestAdapterError> {
+        let url = reqwest::Url::parse(base_url).map_err(|_| RestAdapterError::InvalidBaseUrl {
+            url: base_url.to_owned(),
+        })?;
+        self.validate_url(&url)
+    }
+
+    fn validate_url(&self, url: &reqwest::Url) -> Result<(), RestAdapterError> {
+        if !matches!(url.scheme(), "http" | "https")
+            || !url.username().is_empty()
+            || url.password().is_some()
+        {
+            return Err(RestAdapterError::TargetNotAllowed {
+                target: url.to_string(),
+            });
+        }
+        let host = url
+            .host_str()
+            .ok_or_else(|| RestAdapterError::TargetNotAllowed {
+                target: url.to_string(),
+            })?;
+        self.validate_host(host)?;
+        if !self.is_explicitly_allowed(host) && is_local_hostname(host) {
+            return Err(RestAdapterError::TargetNotAllowed {
+                target: host.to_owned(),
+            });
+        }
+        if let Ok(address) = host.parse::<IpAddr>()
+            && !self.is_explicitly_allowed(host)
+            && !is_public_ip(address)
+        {
+            return Err(RestAdapterError::TargetNotAllowed {
+                target: host.to_owned(),
+            });
+        }
+        Ok(())
+    }
+
+    fn validate_host(&self, host: &str) -> Result<(), RestAdapterError> {
+        let host = normalize_host(host);
+        let denied = self
+            .denied_hosts
+            .iter()
+            .any(|pattern| host_matches(pattern, &host));
+        if denied {
+            return Err(RestAdapterError::TargetNotAllowed { target: host });
+        }
+        Ok(())
+    }
+
+    fn is_explicitly_allowed(&self, host: &str) -> bool {
+        let host = normalize_host(host);
+        self.allowed_hosts
+            .iter()
+            .any(|pattern| host_matches(pattern, &host))
+    }
+}
+
+#[derive(Clone, Debug)]
+struct PolicyDnsResolver {
+    policy: OutboundHttpPolicy,
+}
+
+impl Resolve for PolicyDnsResolver {
+    fn resolve(&self, name: Name) -> Resolving {
+        let host = normalize_host(name.as_str());
+        let policy = self.policy.clone();
+        Box::pin(async move {
+            policy
+                .validate_host(&host)
+                .map_err(|error| boxed_io_error(error.to_string()))?;
+            let explicitly_allowed = policy.is_explicitly_allowed(&host);
+            let resolved = tokio::net::lookup_host((host.as_str(), 0))
+                .await
+                .map_err(|error| Box::new(error) as Box<dyn std::error::Error + Send + Sync>)?;
+            let addresses = resolved
+                .filter(|address| explicitly_allowed || is_public_ip(address.ip()))
+                .collect::<Vec<SocketAddr>>();
+            if addresses.is_empty() {
+                return Err(boxed_io_error(format!(
+                    "outbound target {host} did not resolve to an allowed address"
+                )));
+            }
+            Ok(Box::new(addresses.into_iter()) as Addrs)
+        })
+    }
+}
+
+fn boxed_io_error(message: String) -> Box<dyn std::error::Error + Send + Sync> {
+    Box::new(io::Error::new(io::ErrorKind::PermissionDenied, message))
+}
+
+fn host_patterns_from_env(name: &str) -> Result<Vec<String>, RestAdapterError> {
+    let value = match env::var(name) {
+        Ok(value) => value,
+        Err(env::VarError::NotPresent) => return Ok(Vec::new()),
+        Err(error) => {
+            return Err(RestAdapterError::InvalidConfiguration {
+                details: error.to_string(),
+            });
+        }
+    };
+    value
+        .split(',')
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(|value| {
+            let wildcard = value.starts_with("*.");
+            let normalized = normalize_host(value.trim_start_matches("*."));
+            let valid_ip = !wildcard && normalized.parse::<IpAddr>().is_ok();
+            if normalized.is_empty()
+                || normalized.contains('/')
+                || (!valid_ip && normalized.contains(':'))
+                || (wildcard && normalized.parse::<IpAddr>().is_ok())
+            {
+                return Err(RestAdapterError::InvalidConfiguration {
+                    details: format!("{name} contains an invalid host pattern: {value}"),
+                });
+            }
+            Ok(if wildcard {
+                format!("*.{normalized}")
+            } else {
+                normalized
+            })
+        })
+        .collect()
+}
+
+fn normalize_host(host: &str) -> String {
+    host.trim()
+        .trim_start_matches('[')
+        .trim_end_matches(']')
+        .trim_end_matches('.')
+        .to_ascii_lowercase()
+}
+
+fn is_local_hostname(host: &str) -> bool {
+    let host = normalize_host(host);
+    host == "localhost" || host.ends_with(".localhost")
+}
+
+fn host_matches(pattern: &str, host: &str) -> bool {
+    pattern.strip_prefix("*.").map_or_else(
+        || pattern == host,
+        |suffix| host != suffix && host.ends_with(&format!(".{suffix}")),
+    )
+}
+
+fn is_public_ip(address: IpAddr) -> bool {
+    match address {
+        IpAddr::V4(address) => is_public_ipv4(address),
+        IpAddr::V6(address) => is_public_ipv6(address),
+    }
+}
+
+fn is_public_ipv4(address: Ipv4Addr) -> bool {
+    let octets = address.octets();
+    !(address.is_private()
+        || address.is_loopback()
+        || address.is_link_local()
+        || address.is_broadcast()
+        || address.is_documentation()
+        || address.is_unspecified()
+        || address.is_multicast()
+        || octets[0] == 0
+        || (octets[0] == 100 && (64..=127).contains(&octets[1]))
+        || (octets[0] == 192 && octets[1] == 0 && octets[2] == 0)
+        || (octets[0] == 198 && (18..=19).contains(&octets[1]))
+        || octets[0] >= 240)
+}
+
+fn is_public_ipv6(address: Ipv6Addr) -> bool {
+    let segments = address.segments();
+    if let Some(address) = address.to_ipv4_mapped() {
+        return is_public_ipv4(address);
+    }
+    if segments[..6].iter().all(|segment| *segment == 0) {
+        let [a, b] = segments[6].to_be_bytes();
+        let [c, d] = segments[7].to_be_bytes();
+        return is_public_ipv4(Ipv4Addr::new(a, b, c, d));
+    }
+    !(address.is_unspecified()
+        || address.is_loopback()
+        || address.is_multicast()
+        || (segments[0] & 0xfe00) == 0xfc00
+        || (segments[0] & 0xffc0) == 0xfe80
+        || (segments[0] & 0xffc0) == 0xfec0
+        || (segments[0] == 0x0064
+            && segments[1] == 0xff9b
+            && segments[2..6].iter().all(|segment| *segment == 0))
+        || (segments[0] == 0x0064 && segments[1] == 0xff9b && segments[2] == 1)
+        || segments[0] == 0x2002
+        || (segments[0] == 0x2001 && matches!(segments[1], 0 | 0x0db8)))
+}
+
 fn build_url(target: &RestTarget, request: &RestRequest) -> Result<reqwest::Url, RestAdapterError> {
     let base_url =
         reqwest::Url::parse(&target.base_url).map_err(|_| RestAdapterError::InvalidBaseUrl {
@@ -127,8 +416,29 @@ fn insert_header(headers: &mut HeaderMap, name: &str, value: &str) -> Result<(),
     Ok(())
 }
 
-async fn decode_body(response: reqwest::Response) -> Result<Value, RestAdapterError> {
-    let bytes = response.bytes().await?;
+async fn decode_body(
+    response: reqwest::Response,
+    max_response_bytes: usize,
+) -> Result<Value, RestAdapterError> {
+    if response
+        .content_length()
+        .is_some_and(|length| length > max_response_bytes as u64)
+    {
+        return Err(RestAdapterError::ResponseTooLarge {
+            limit_bytes: max_response_bytes,
+        });
+    }
+    let mut stream = response.bytes_stream();
+    let mut bytes = Vec::new();
+    while let Some(chunk) = stream.next().await {
+        let chunk = chunk?;
+        if bytes.len().saturating_add(chunk.len()) > max_response_bytes {
+            return Err(RestAdapterError::ResponseTooLarge {
+                limit_bytes: max_response_bytes,
+            });
+        }
+        bytes.extend_from_slice(&chunk);
+    }
 
     if bytes.is_empty() {
         return Ok(Value::Null);

crates/crank-adapter-rest/src/error.rs

@@ -13,6 +13,12 @@ pub enum RestAdapterError {
     InvalidHeaderName { header: String },
     #[error("invalid header value for {header}")]
     InvalidHeaderValue { header: String },
+    #[error("outbound target is not allowed: {target}")]
+    TargetNotAllowed { target: String },
+    #[error("rest response exceeds the configured limit of {limit_bytes} bytes")]
+    ResponseTooLarge { limit_bytes: usize },
+    #[error("invalid outbound HTTP configuration: {details}")]
+    InvalidConfiguration { details: String },
     #[error("request failed")]
     Transport(#[from] reqwest::Error),
     #[error("sse collection window expired before stream completed")]

crates/crank-adapter-rest/src/lib.rs

@@ -8,7 +8,7 @@ use crank_core::{
     ProtocolAdapterError, RestTarget, RuntimeRequestContext, Target,
 };
 
-pub use client::RestAdapter;
+pub use client::{OutboundHttpPolicy, RestAdapter};
 pub use error::RestAdapterError;
 pub use model::{RestRequest, RestResponse};
 

crates/crank-adapter-rest/tests/integration/client.rs

@@ -3,10 +3,11 @@ use std::collections::BTreeMap;
 use axum::{
     Json, Router,
     extract::{Path, Query},
-    http::HeaderMap,
+    http::{HeaderMap, StatusCode},
+    response::Redirect,
     routing::{get, post},
 };
-use crank_adapter_rest::{RestAdapter, RestAdapterError, RestRequest};
+use crank_adapter_rest::{OutboundHttpPolicy, RestAdapter, RestAdapterError, RestRequest};
 use crank_core::{HttpMethod, RestTarget};
 use serde_json::{Value, json};
 use tokio::net::TcpListener;
@@ -14,7 +15,7 @@ use tokio::net::TcpListener;
 #[tokio::test]
 async fn executes_rest_request_and_normalizes_json_response() {
     let base_url = spawn_test_server().await;
-    let adapter = RestAdapter::new();
+    let adapter = test_adapter();
     let target = RestTarget {
         base_url,
         method: HttpMethod::Post,
@@ -47,7 +48,7 @@ async fn executes_rest_request_and_normalizes_json_response() {
 #[tokio::test]
 async fn returns_unexpected_status_with_normalized_body() {
     let base_url = spawn_test_server().await;
-    let adapter = RestAdapter::new();
+    let adapter = test_adapter();
     let target = RestTarget {
         base_url,
         method: HttpMethod::Get,
@@ -73,10 +74,94 @@ async fn returns_unexpected_status_with_normalized_body() {
     ));
 }
 
+#[test]
+fn rejects_private_targets_by_default() {
+    let policy = OutboundHttpPolicy::default();
+
+    let error = policy
+        .validate_base_url("http://127.0.0.1:8080")
+        .unwrap_err();
+
+    assert!(matches!(error, RestAdapterError::TargetNotAllowed { .. }));
+}
+
+#[test]
+fn accepts_explicit_private_ipv4_and_ipv6_targets() {
+    let policy = OutboundHttpPolicy::allowing_hosts(["192.168.1.10", "::1"]);
+
+    assert!(policy.validate_base_url("http://192.168.1.10:8080").is_ok());
+    assert!(policy.validate_base_url("http://[::1]:8080").is_ok());
+}
+
+#[tokio::test]
+async fn does_not_follow_redirects() {
+    let base_url = spawn_test_server().await;
+    let adapter = test_adapter();
+    let target = RestTarget {
+        base_url,
+        method: HttpMethod::Get,
+        path_template: "/redirect".to_owned(),
+        static_headers: BTreeMap::new(),
+    };
+
+    let error = adapter
+        .execute(&target, &empty_request())
+        .await
+        .unwrap_err();
+
+    assert!(matches!(
+        error,
+        RestAdapterError::UnexpectedStatus { status: 303, .. }
+    ));
+}
+
+#[tokio::test]
+async fn rejects_responses_over_the_configured_limit() {
+    let base_url = spawn_test_server().await;
+    let adapter = RestAdapter::with_policy(
+        OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]).with_max_response_bytes(8),
+    );
+    let target = RestTarget {
+        base_url,
+        method: HttpMethod::Get,
+        path_template: "/large".to_owned(),
+        static_headers: BTreeMap::new(),
+    };
+
+    let error = adapter
+        .execute(&target, &empty_request())
+        .await
+        .unwrap_err();
+
+    assert!(matches!(
+        error,
+        RestAdapterError::ResponseTooLarge { limit_bytes: 8 }
+    ));
+}
+
+fn empty_request() -> RestRequest {
+    RestRequest {
+        path_params: BTreeMap::new(),
+        query_params: BTreeMap::new(),
+        headers: BTreeMap::new(),
+        body: None,
+        timeout_ms: 1_000,
+    }
+}
+
+fn test_adapter() -> RestAdapter {
+    RestAdapter::with_policy(OutboundHttpPolicy::allowing_hosts(["127.0.0.1"]))
+}
+
 async fn spawn_test_server() -> String {
     let app = Router::new()
         .route("/users/{user_id}", post(create_user))
-        .route("/fail", get(fail));
+        .route("/fail", get(fail))
+        .route("/redirect", get(|| async { Redirect::to("/large") }))
+        .route(
+            "/large",
+            get(|| async { "response larger than eight bytes" }),
+        );
     let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
     let address = listener.local_addr().unwrap();
 
@@ -113,7 +198,7 @@ async fn create_user(
 
 async fn fail() -> (axum::http::StatusCode, Json<Value>) {
     (
-        axum::http::StatusCode::BAD_GATEWAY,
+        StatusCode::BAD_GATEWAY,
         Json(json!({ "error": "upstream failed" })),
     )
 }

crates/crank-community-auth/src/session_cookie.rs

@@ -1,7 +1,7 @@
 use axum_extra::extract::cookie::{Cookie, CookieJar, SameSite};
 use base64::{Engine as _, engine::general_purpose::URL_SAFE_NO_PAD};
 use crank_core::UserSessionId;
-use rand::RngCore;
+use rand::RngExt;
 use sha2::{Digest, Sha256};
 use time::{Duration, OffsetDateTime};
 
@@ -23,7 +23,7 @@ pub enum SessionCookieError {
 pub fn create_session_cookie(session_ttl_hours: i64) -> Result<SessionCookie, SessionCookieError> {
     let session_id = UserSessionId::new(format!("sess_{}", uuid::Uuid::now_v7().simple()));
     let mut secret_bytes = [0_u8; 32];
-    rand::thread_rng().fill_bytes(&mut secret_bytes);
+    rand::rng().fill(&mut secret_bytes);
     let secret = URL_SAFE_NO_PAD.encode(secret_bytes);
     let expires_at = OffsetDateTime::now_utc()
         .checked_add(Duration::hours(session_ttl_hours))

crates/crank-community-mcp/Cargo.toml

@@ -15,6 +15,7 @@ crank-registry = { path = "../crank-registry" }
 crank-runtime = { path = "../crank-runtime" }
 crank-schema = { path = "../crank-schema" }
 futures-util = "0.3"
+reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 sha2.workspace = true

crates/crank-community-mcp/src/app.rs

@@ -18,9 +18,8 @@ use crank_core::{
     OperationApprovalMode, PlatformApiKeyScope, SecretId,
 };
 use crank_registry::{
-    ApprovalRequestRecord, CreateApprovalRequest, CreateInvocationLogRequest,
-    DecideApprovalRequest, ExpireApprovalRequest, FinishApprovalRequest, PostgresRegistry,
-    PublishedAgentTool,
+    CreateApprovalRequest, CreateInvocationLogRequest, DecideApprovalRequest,
+    ExpireApprovalRequest, PostgresRegistry, PublishedAgentTool,
 };
 use crank_runtime::{
     RequestRateLimiter, ResolvedAuth, RuntimeError, RuntimeExecutionRequest, RuntimeExecutor,
@@ -30,13 +29,14 @@ use futures_util::stream;
 use serde::{Deserialize, Serialize};
 use serde_json::{Value, json};
 use time::OffsetDateTime;
-use tracing::info;
+use tracing::{info, warn};
 
 use crate::{
     access::{
         credential_allows_security_level, require_approval_access, require_machine_access,
         serialize_machine_access_mode, serialize_security_level,
     },
+    approval_execution::{execute_approved_request, spawn_approval_recovery},
     auth::{SharedMachineCredentialVerifier, VerifiedMachineCredential},
     catalog::PublishedToolCatalog,
     jsonrpc::{
@@ -66,8 +66,8 @@ const TRANSPORT_SESSION_TTL_MS: u64 = 86_400_000;
 #[derive(Clone)]
 pub(super) struct AppState {
     pub(super) registry: PostgresRegistry,
-    catalog: PublishedToolCatalog,
-    runtime: RuntimeExecutor,
+    pub(super) catalog: PublishedToolCatalog,
+    pub(super) runtime: RuntimeExecutor,
     pub(super) api_rate_limiter: RequestRateLimiter,
     secret_crypto: SecretCrypto,
     sessions: SharedSessionStore,
@@ -132,6 +132,59 @@ pub fn build_app(
     coordination_store: Arc<dyn CoordinationStateStore>,
     sessions: SharedSessionStore,
     credential_verifier: SharedMachineCredentialVerifier,
+) -> Router {
+    build_app_inner(
+        registry,
+        refresh_interval,
+        public_base_url,
+        secret_crypto,
+        runtime,
+        api_rate_limiter,
+        coordination_store,
+        sessions,
+        credential_verifier,
+        false,
+    )
+}
+
+#[allow(clippy::too_many_arguments)]
+pub fn build_app_with_background_workers(
+    registry: PostgresRegistry,
+    refresh_interval: Duration,
+    public_base_url: Option<String>,
+    secret_crypto: SecretCrypto,
+    runtime: RuntimeExecutor,
+    api_rate_limiter: RequestRateLimiter,
+    coordination_store: Arc<dyn CoordinationStateStore>,
+    sessions: SharedSessionStore,
+    credential_verifier: SharedMachineCredentialVerifier,
+) -> Router {
+    build_app_inner(
+        registry,
+        refresh_interval,
+        public_base_url,
+        secret_crypto,
+        runtime,
+        api_rate_limiter,
+        coordination_store,
+        sessions,
+        credential_verifier,
+        true,
+    )
+}
+
+#[allow(clippy::too_many_arguments)]
+fn build_app_inner(
+    registry: PostgresRegistry,
+    refresh_interval: Duration,
+    public_base_url: Option<String>,
+    secret_crypto: SecretCrypto,
+    runtime: RuntimeExecutor,
+    api_rate_limiter: RequestRateLimiter,
+    coordination_store: Arc<dyn CoordinationStateStore>,
+    sessions: SharedSessionStore,
+    credential_verifier: SharedMachineCredentialVerifier,
+    start_background_workers: bool,
 ) -> Router {
     let state = Arc::new(AppState {
         registry: registry.clone(),
@@ -143,6 +196,9 @@ pub fn build_app(
         credential_verifier,
         allowed_origins: AllowedOrigins::new(public_base_url),
     });
+    if start_background_workers {
+        spawn_approval_recovery(Arc::clone(&state));
+    }
 
     Router::new()
         .route("/health", get(health))
@@ -315,7 +371,21 @@ async fn decide_approval_request(
         .await
     {
         Ok(Some(record)) if status == ApprovalRequestStatus::Approved => {
-            match execute_approved_request(&state, &agent_path, record).await {
+            let claimed = match state
+                .registry
+                .claim_approval_request(
+                    &record.approval.workspace_id,
+                    &record.approval.agent_id,
+                    &record.approval.id,
+                    OffsetDateTime::now_utc(),
+                )
+                .await
+            {
+                Ok(Some(claimed)) => claimed,
+                Ok(None) => return StatusCode::CONFLICT.into_response(),
+                Err(_) => return StatusCode::INTERNAL_SERVER_ERROR.into_response(),
+            };
+            match execute_approved_request(&state, &agent_path, claimed).await {
                 Ok(record) => Json(json!(record)).into_response(),
                 Err(response) => response,
             }
@@ -408,103 +478,6 @@ async fn expire_approval_response(
     }
 }
 
-async fn execute_approved_request(
-    state: &Arc<AppState>,
-    path: &AgentRoutePath,
-    approval: ApprovalRequestRecord,
-) -> Result<ApprovalRequestRecord, Response> {
-    let tools = state
-        .catalog
-        .list_tools(&path.workspace_slug, &path.agent_slug)
-        .await
-        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?;
-    let Some(tool) = tools.into_iter().find(|tool| {
-        tool.operation.id == approval.approval.operation_id
-            && tool.operation.version == approval.approval.operation_version
-    }) else {
-        return Err(StatusCode::NOT_FOUND.into_response());
-    };
-
-    let operation = runtime_operation(&tool);
-    let request_preview = build_request_preview(
-        &state.runtime,
-        &operation,
-        &approval.approval.request_payload,
-    );
-    let started_at = Instant::now();
-    let resolved_auth =
-        resolve_operation_auth(state, &tool.workspace_id, &operation.execution_config).await;
-    let result = match resolved_auth {
-        Ok(resolved_auth) => {
-            state
-                .runtime
-                .execute_request(
-                    RuntimeExecutionRequest::new(&operation, &approval.approval.request_payload)
-                        .with_optional_auth(resolved_auth.as_ref()),
-                )
-                .await
-        }
-        Err(error) => Err(error),
-    };
-
-    let (status, response_payload, invocation_status, invocation_level, message, error_kind) =
-        match result {
-            Ok(output) => (
-                ApprovalRequestStatus::Completed,
-                output,
-                InvocationStatus::Ok,
-                InvocationLevel::Info,
-                "approved tool call completed",
-                None,
-            ),
-            Err(error) => (
-                ApprovalRequestStatus::Failed,
-                json!({
-                    "error": {
-                        "code": runtime_error_code(&error),
-                        "message": error.to_string(),
-                    }
-                }),
-                InvocationStatus::Error,
-                InvocationLevel::Error,
-                "approved tool call failed",
-                Some(runtime_error_code(&error)),
-            ),
-        };
-
-    let _ = persist_invocation(
-        state,
-        &tool,
-        InvocationRecord {
-            request_id: Some(approval.approval.id.as_str()),
-            tool_name: &tool.tool_name,
-            status: invocation_status,
-            level: invocation_level,
-            message,
-            status_code: None,
-            error_kind,
-            duration: started_at.elapsed(),
-            request_preview,
-            response_preview: response_payload.clone(),
-        },
-    )
-    .await;
-
-    state
-        .registry
-        .finish_approval_request(FinishApprovalRequest {
-            workspace_id: &approval.approval.workspace_id,
-            agent_id: &approval.approval.agent_id,
-            approval_id: &approval.approval.id,
-            status,
-            response_payload: Some(response_payload),
-            decision_note: None,
-        })
-        .await
-        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?
-        .ok_or_else(|| StatusCode::CONFLICT.into_response())
-}
-
 async fn mcp_get(
     Path(path): Path<AgentRoutePath>,
     State(state): State<Arc<AppState>>,
@@ -641,8 +614,9 @@ async fn mcp_post(
         );
     }
 
-    if let Some(session_id) = headers.get(HEADER_MCP_SESSION_ID) {
-        if let Ok(session_id) = session_id.to_str() {
+    if let Some(session_id) = headers.get(HEADER_MCP_SESSION_ID)
+        && let Ok(session_id) = session_id.to_str()
+    {
         let session = match state.sessions.get(session_id).await {
             Ok(session) => session,
             Err(_) => {
@@ -652,15 +626,13 @@ async fn mcp_post(
                 );
             }
         };
-            if let Some(session) = session {
-                if let Err(status) =
+        if let Some(session) = session
+            && let Err(status) =
                 validate_session_protocol_version(&headers, &session.protocol_version)
         {
             return with_request_id_header(status.into_response(), &transport_request_id);
         }
     }
-        }
-    }
 
     let required_scope = match method_name(&message) {
         Some("tools/call") => PlatformApiKeyScope::Write,
@@ -858,7 +830,7 @@ async fn handle_tool_call(
     .await
 }
 
-async fn resolve_operation_auth(
+pub(super) async fn resolve_operation_auth(
     state: &Arc<AppState>,
     workspace_id: &crank_core::WorkspaceId,
     execution_config: &crank_core::ExecutionConfig,
@@ -1005,7 +977,7 @@ async fn handle_base_tool_call(
 
     match result {
         Ok(output) => {
-            let _ = persist_invocation(
+            if let Err(error) = persist_invocation(
                 &state,
                 &tool,
                 InvocationRecord {
@@ -1021,12 +993,15 @@ async fn handle_base_tool_call(
                     response_preview: output.clone(),
                 },
             )
-            .await;
+            .await
+            {
+                warn!(error = %error, "successful invocation log write failed");
+            }
 
             success_tool_response(message, response_mode, &session.protocol_version, output)
         }
         Err(error) => {
-            let _ = persist_invocation(
+            if let Err(log_error) = persist_invocation(
                 &state,
                 &tool,
                 InvocationRecord {
@@ -1042,7 +1017,10 @@ async fn handle_base_tool_call(
                     response_preview: Value::Null,
                 },
             )
-            .await;
+            .await
+            {
+                warn!(error = %log_error, "failed invocation log write failed");
+            }
 
             tool_error_response(
                 message,
@@ -1147,17 +1125,22 @@ async fn maybe_create_custom_pending_approval(
         decision_note: None,
     };
 
-    if let Err(error) = state
+    let persisted_approval = match state
         .registry
         .create_approval_request(CreateApprovalRequest {
             approval: &approval,
         })
         .await
     {
-        return Some(internal_jsonrpc_error(message, error));
-    }
+        Ok(approval) => approval,
+        Err(error) => return Some(internal_jsonrpc_error(message, error)),
+    };
+    let response_payload = persisted_approval
+        .approval
+        .response_payload
+        .unwrap_or(response_payload);
 
-    let _ = persist_invocation(
+    if let Err(error) = persist_invocation(
         state,
         tool,
         InvocationRecord {
@@ -1173,7 +1156,10 @@ async fn maybe_create_custom_pending_approval(
             response_preview: response_payload.clone(),
         },
     )
-    .await;
+    .await
+    {
+        warn!(error = %error, "pending approval invocation log write failed");
+    }
 
     Some(success_tool_response(
         message,
@@ -1405,7 +1391,7 @@ fn take_confirmation_token(arguments: &mut Value) -> Option<String> {
         .filter(|value| !value.trim().is_empty())
 }
 
-fn build_request_preview(
+pub(super) fn build_request_preview(
     runtime: &RuntimeExecutor,
     operation: &RuntimeOperation,
     arguments: &Value,
@@ -1421,20 +1407,20 @@ fn build_request_preview(
     }
 }
 
-struct InvocationRecord<'a> {
-    request_id: Option<&'a str>,
-    tool_name: &'a str,
-    status: InvocationStatus,
-    level: InvocationLevel,
-    message: &'a str,
-    status_code: Option<u16>,
-    error_kind: Option<&'a str>,
-    duration: Duration,
-    request_preview: Value,
-    response_preview: Value,
+pub(super) struct InvocationRecord<'a> {
+    pub(super) request_id: Option<&'a str>,
+    pub(super) tool_name: &'a str,
+    pub(super) status: InvocationStatus,
+    pub(super) level: InvocationLevel,
+    pub(super) message: &'a str,
+    pub(super) status_code: Option<u16>,
+    pub(super) error_kind: Option<&'a str>,
+    pub(super) duration: Duration,
+    pub(super) request_preview: Value,
+    pub(super) response_preview: Value,
 }
 
-async fn persist_invocation(
+pub(super) async fn persist_invocation(
     state: &Arc<AppState>,
     tool: &PublishedAgentTool,
     record: InvocationRecord<'_>,
@@ -1544,7 +1530,7 @@ fn resolve_generated_tool(
     None
 }
 
-fn runtime_operation(tool: &PublishedAgentTool) -> RuntimeOperation {
+pub(super) fn runtime_operation(tool: &PublishedAgentTool) -> RuntimeOperation {
     let mut operation = RuntimeOperation::from(tool.operation.clone());
     operation.tool_name = tool.tool_name.clone();
     operation.tool_description.title = tool.tool_title.clone();

crates/crank-community-mcp/src/approval_execution.rs

@@ -0,0 +1,237 @@
+use std::{sync::Arc, time::Instant};
+
+use axum::{
+    http::StatusCode,
+    response::{IntoResponse, Response},
+};
+use crank_core::{ApprovalRequestStatus, InvocationLevel, InvocationSource, InvocationStatus};
+use crank_registry::{ApprovalRequestRecord, FinishApprovalRequest};
+use crank_runtime::{RuntimeExecutionRequest, RuntimeRequestContext};
+use serde_json::json;
+use time::OffsetDateTime;
+use tracing::warn;
+
+use crate::{
+    app::{
+        AgentRoutePath, AppState, InvocationRecord, build_request_preview, persist_invocation,
+        resolve_operation_auth, runtime_operation,
+    },
+    tool_error::runtime_error_code,
+};
+
+const RECOVERY_INTERVAL: std::time::Duration = std::time::Duration::from_secs(5);
+const RECOVERY_GRACE: time::Duration = time::Duration::seconds(5);
+const EXECUTION_LEASE: time::Duration = time::Duration::minutes(6);
+
+pub(super) fn spawn_approval_recovery(state: Arc<AppState>) {
+    tokio::spawn(async move {
+        let mut interval = tokio::time::interval(RECOVERY_INTERVAL);
+        interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
+        loop {
+            interval.tick().await;
+            recover_approved_requests(&state).await;
+        }
+    });
+}
+
+async fn recover_approved_requests(state: &Arc<AppState>) {
+    for _ in 0..32 {
+        let now = OffsetDateTime::now_utc();
+        let approval = match state
+            .registry
+            .claim_next_recoverable_approval_request(
+                now,
+                now - RECOVERY_GRACE,
+                now - EXECUTION_LEASE,
+            )
+            .await
+        {
+            Ok(Some(approval)) => approval,
+            Ok(None) => break,
+            Err(error) => {
+                warn!(error = %error, "approval recovery query failed");
+                break;
+            }
+        };
+        let Some(path) = approval_agent_path(state, &approval).await else {
+            continue;
+        };
+        if execute_approved_request(state, &path, approval)
+            .await
+            .is_err()
+        {
+            warn!("recovered approval execution did not finish");
+        }
+    }
+}
+
+async fn approval_agent_path(
+    state: &Arc<AppState>,
+    approval: &ApprovalRequestRecord,
+) -> Option<AgentRoutePath> {
+    let workspace = match state
+        .registry
+        .get_workspace(&approval.approval.workspace_id)
+        .await
+    {
+        Ok(Some(workspace)) => workspace,
+        Ok(None) => return None,
+        Err(error) => {
+            warn!(error = %error, "approval workspace lookup failed");
+            return None;
+        }
+    };
+    let agent = match state
+        .registry
+        .get_agent_summary(&approval.approval.workspace_id, &approval.approval.agent_id)
+        .await
+    {
+        Ok(Some(agent)) => agent,
+        Ok(None) => return None,
+        Err(error) => {
+            warn!(error = %error, "approval agent lookup failed");
+            return None;
+        }
+    };
+    Some(AgentRoutePath {
+        workspace_slug: workspace.workspace.slug,
+        agent_slug: agent.slug,
+    })
+}
+
+pub(super) async fn execute_approved_request(
+    state: &Arc<AppState>,
+    path: &AgentRoutePath,
+    approval: ApprovalRequestRecord,
+) -> Result<ApprovalRequestRecord, Response> {
+    let tools = state
+        .catalog
+        .list_tools(&path.workspace_slug, &path.agent_slug)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?;
+    let Some(tool) = tools.into_iter().find(|tool| {
+        tool.operation.id == approval.approval.operation_id
+            && tool.operation.version == approval.approval.operation_version
+    }) else {
+        return finish_unavailable_approval(state, &approval).await;
+    };
+
+    let operation = runtime_operation(&tool);
+    let request_preview = build_request_preview(
+        &state.runtime,
+        &operation,
+        &approval.approval.request_payload,
+    );
+    let started_at = Instant::now();
+    let runtime_request_context =
+        RuntimeRequestContext::from_request_id(approval.approval.id.as_str().to_owned())
+            .with_response_cache_scope(
+                tool.workspace_id.as_str().to_owned(),
+                tool.agent_id.as_str().to_owned(),
+            )
+            .with_metering_context(
+                tool.workspace_id.clone(),
+                Some(tool.agent_id.clone()),
+                InvocationSource::AgentToolCall,
+            )
+            .with_approval_granted();
+    let resolved_auth =
+        resolve_operation_auth(state, &tool.workspace_id, &operation.execution_config).await;
+    let result = match resolved_auth {
+        Ok(resolved_auth) => {
+            state
+                .runtime
+                .execute_request(
+                    RuntimeExecutionRequest::new(&operation, &approval.approval.request_payload)
+                        .with_optional_auth(resolved_auth.as_ref())
+                        .with_context(&runtime_request_context),
+                )
+                .await
+        }
+        Err(error) => Err(error),
+    };
+
+    let (status, response_payload, invocation_status, invocation_level, message, error_kind) =
+        match result {
+            Ok(output) => (
+                ApprovalRequestStatus::Completed,
+                output,
+                InvocationStatus::Ok,
+                InvocationLevel::Info,
+                "approved tool call completed",
+                None,
+            ),
+            Err(error) => (
+                ApprovalRequestStatus::Failed,
+                json!({
+                    "error": {
+                        "code": runtime_error_code(&error),
+                        "message": error.to_string(),
+                    }
+                }),
+                InvocationStatus::Error,
+                InvocationLevel::Error,
+                "approved tool call failed",
+                Some(runtime_error_code(&error)),
+            ),
+        };
+
+    if let Err(error) = persist_invocation(
+        state,
+        &tool,
+        InvocationRecord {
+            request_id: Some(approval.approval.id.as_str()),
+            tool_name: &tool.tool_name,
+            status: invocation_status,
+            level: invocation_level,
+            message,
+            status_code: None,
+            error_kind,
+            duration: started_at.elapsed(),
+            request_preview,
+            response_preview: response_payload.clone(),
+        },
+    )
+    .await
+    {
+        warn!(error = %error, "approved invocation log write failed");
+    }
+
+    state
+        .registry
+        .finish_approval_request(FinishApprovalRequest {
+            workspace_id: &approval.approval.workspace_id,
+            agent_id: &approval.approval.agent_id,
+            approval_id: &approval.approval.id,
+            status,
+            response_payload: Some(response_payload),
+            decision_note: None,
+        })
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?
+        .ok_or_else(|| StatusCode::CONFLICT.into_response())
+}
+
+async fn finish_unavailable_approval(
+    state: &Arc<AppState>,
+    approval: &ApprovalRequestRecord,
+) -> Result<ApprovalRequestRecord, Response> {
+    state
+        .registry
+        .finish_approval_request(FinishApprovalRequest {
+            workspace_id: &approval.approval.workspace_id,
+            agent_id: &approval.approval.agent_id,
+            approval_id: &approval.approval.id,
+            status: ApprovalRequestStatus::Failed,
+            response_payload: Some(json!({
+                "error": {
+                    "code": "approved_operation_unavailable",
+                    "message": "the approved operation version is no longer published"
+                }
+            })),
+            decision_note: None,
+        })
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?
+        .ok_or_else(|| StatusCode::CONFLICT.into_response())
+}

crates/crank-community-mcp/src/catalog.rs

@@ -1,14 +1,16 @@
 use std::{
     collections::HashMap,
     sync::Arc,
-    time::{Duration, Instant},
+    time::{Duration, Instant, SystemTime, UNIX_EPOCH},
 };
 
 use crank_core::{CacheScope, CoordinationStateStore, CoordinationStateValue};
 use crank_registry::{PostgresRegistry, PublishedAgentTool, RegistryError};
 use serde::{Deserialize, Serialize};
-use tokio::sync::RwLock;
-use tracing::info;
+use tokio::sync::{Mutex, RwLock};
+use tracing::{info, warn};
+
+use crate::manifest::analyze_published_tool_catalog;
 
 #[derive(Clone)]
 pub struct PublishedToolCatalog {
@@ -16,6 +18,7 @@ pub struct PublishedToolCatalog {
     refresh_interval: Duration,
     coordination_store: Arc<dyn CoordinationStateStore>,
     cached: Arc<RwLock<HashMap<CatalogKey, CachedCatalog>>>,
+    refresh_locks: Arc<Mutex<HashMap<CatalogKey, Arc<Mutex<()>>>>>,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]
@@ -33,6 +36,7 @@ struct CachedCatalog {
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 struct CatalogSnapshot {
     tools: Vec<PublishedAgentTool>,
+    generated_at_ms: u64,
 }
 
 impl PublishedToolCatalog {
@@ -46,6 +50,7 @@ impl PublishedToolCatalog {
             refresh_interval,
             coordination_store,
             cached: Arc::new(RwLock::new(HashMap::new())),
+            refresh_locks: Arc::new(Mutex::new(HashMap::new())),
         }
     }
 
@@ -81,12 +86,33 @@ impl PublishedToolCatalog {
             return Ok(());
         }
 
-        if let Some(tools) = self.load_shared_snapshot(workspace_slug, agent_slug).await {
+        let refresh_lock = {
+            let mut locks = self.refresh_locks.lock().await;
+            Arc::clone(
+                locks
+                    .entry(key.clone())
+                    .or_insert_with(|| Arc::new(Mutex::new(()))),
+            )
+        };
+        let _refresh_guard = refresh_lock.lock().await;
+        let still_stale = {
+            let guard = self.cached.read().await;
+            match guard.get(&key).and_then(|entry| entry.loaded_at) {
+                Some(loaded_at) => loaded_at.elapsed() >= self.refresh_interval,
+                None => true,
+            }
+        };
+        if !still_stale {
+            return Ok(());
+        }
+
+        if let Some((tools, age)) = self.load_shared_snapshot(workspace_slug, agent_slug).await {
+            log_catalog_analysis(workspace_slug, agent_slug, "shared_cache", &tools);
             let mut guard = self.cached.write().await;
             guard.insert(
                 key,
                 CachedCatalog {
-                    loaded_at: Some(Instant::now()),
+                    loaded_at: Instant::now().checked_sub(age),
                     tools,
                 },
             );
@@ -102,6 +128,7 @@ impl PublishedToolCatalog {
             Err(RegistryError::PublishedAgentNotFound { .. }) => Vec::new(),
             Err(error) => return Err(error),
         };
+        log_catalog_analysis(workspace_slug, agent_slug, "postgres", &tools);
         self.store_shared_snapshot(workspace_slug, agent_slug, &tools)
             .await;
         let mut guard = self.cached.write().await;
@@ -136,7 +163,7 @@ impl PublishedToolCatalog {
         &self,
         workspace_slug: &str,
         agent_slug: &str,
-    ) -> Option<Vec<PublishedAgentTool>> {
+    ) -> Option<(Vec<PublishedAgentTool>, Duration)> {
         if self.refresh_interval.is_zero() {
             return None;
         }
@@ -150,9 +177,9 @@ impl PublishedToolCatalog {
             Ok(value) => value?,
             Err(_) => return None,
         };
-        serde_json::from_value::<CatalogSnapshot>(value.payload)
-            .ok()
-            .map(|snapshot| snapshot.tools)
+        let snapshot = serde_json::from_value::<CatalogSnapshot>(value.payload).ok()?;
+        let age = Duration::from_millis(now_unix_ms().saturating_sub(snapshot.generated_at_ms));
+        (age < self.refresh_interval).then_some((snapshot.tools, age))
     }
 
     async fn store_shared_snapshot(
@@ -167,6 +194,7 @@ impl PublishedToolCatalog {
 
         let payload = match serde_json::to_value(CatalogSnapshot {
             tools: tools.to_vec(),
+            generated_at_ms: now_unix_ms(),
         }) {
             Ok(payload) => payload,
             Err(_) => return,
@@ -184,6 +212,49 @@ impl PublishedToolCatalog {
     }
 }
 
+fn log_catalog_analysis(
+    workspace_slug: &str,
+    agent_slug: &str,
+    source: &str,
+    tools: &[PublishedAgentTool],
+) {
+    let analysis = match analyze_published_tool_catalog(tools) {
+        Ok(analysis) => analysis,
+        Err(error) => {
+            warn!(workspace_slug, agent_slug, source, %error, "published catalog analysis failed");
+            return;
+        }
+    };
+    let warning_count = analysis
+        .quality
+        .findings
+        .iter()
+        .filter(|finding| finding.severity == crank_core::ToolQualitySeverity::Warning)
+        .count();
+
+    info!(
+        workspace_slug,
+        agent_slug,
+        source,
+        tool_count = analysis.budget.tool_count,
+        serialized_bytes = analysis.budget.serialized_bytes,
+        estimated_context_tokens = analysis.budget.estimated_context_tokens,
+        largest_tool_estimated_context_tokens =
+            analysis.budget.largest_tool_estimated_context_tokens,
+        recommended_context_tokens = analysis.budget.recommended_context_tokens,
+        exceeds_recommended_budget = analysis.budget.exceeds_recommended_budget,
+        catalog_quality_warning_count = warning_count,
+        "published agent catalog analyzed"
+    );
+}
+
+fn now_unix_ms() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| u64::try_from(duration.as_millis()).unwrap_or(u64::MAX))
+        .unwrap_or_default()
+}
+
 impl CatalogKey {
     fn new(workspace_slug: &str, agent_slug: &str) -> Self {
         Self {

crates/crank-community-mcp/src/lib.rs

@@ -1,5 +1,6 @@
 mod access;
 mod app;
+mod approval_execution;
 pub mod auth;
 pub mod catalog;
 pub mod jsonrpc;
@@ -9,4 +10,4 @@ pub mod session;
 pub mod tool_error;
 mod transport;
 
-pub use app::build_app;
+pub use app::{build_app, build_app_with_background_workers};

crates/crank-community-mcp/src/manifest.rs

@@ -1,4 +1,7 @@
-use crank_core::{HttpMethod, OperationSafetyClass, OperationSafetyPolicy, Target};
+use crank_core::{
+    HttpMethod, OperationSafetyClass, OperationSafetyPolicy, Target, ToolCatalogAnalysis,
+    ToolCatalogAnalysisError, ToolQualityCatalogTool, analyze_tool_catalog,
+};
 use crank_registry::PublishedAgentTool;
 use serde_json::{Value, json};
 
@@ -27,6 +30,37 @@ pub fn tool_definitions(tool: &PublishedAgentTool) -> Vec<Value> {
     )]
 }
 
+pub fn analyze_published_tool_catalog(
+    tools: &[PublishedAgentTool],
+) -> Result<ToolCatalogAnalysis, ToolCatalogAnalysisError> {
+    let mut quality_tools = Vec::new();
+    let mut definitions = Vec::new();
+
+    for tool in tools {
+        for definition in tool_definitions(tool) {
+            quality_tools.push(ToolQualityCatalogTool {
+                name: definition_string(&definition, "name")?,
+                display_name: definition_string(&definition, "title")?,
+                description: definition_string(&definition, "description")?,
+            });
+            definitions.push(definition);
+        }
+    }
+
+    analyze_tool_catalog(&quality_tools, &definitions)
+}
+
+fn definition_string(
+    definition: &Value,
+    field: &'static str,
+) -> Result<String, ToolCatalogAnalysisError> {
+    definition
+        .get(field)
+        .and_then(Value::as_str)
+        .map(ToOwned::to_owned)
+        .ok_or(ToolCatalogAnalysisError::DefinitionFieldMissing(field))
+}
+
 pub fn tool_definition(name: &str, title: &str, description: &str, input_schema: Value) -> Value {
     json!({
         "name": name,

crates/crank-community-mcp/src/transport.rs

@@ -12,6 +12,7 @@ use axum::{
     },
 };
 use futures_util::stream;
+use reqwest::Url;
 use serde_json::Value;
 
 use crate::jsonrpc::{
@@ -42,21 +43,44 @@ impl AllowedOrigins {
     }
 
     pub(super) fn is_allowed(&self, origin: &str) -> bool {
-        if origin.starts_with("http://localhost")
-            || origin.starts_with("http://127.0.0.1")
-            || origin.starts_with("https://localhost")
-            || origin.starts_with("https://127.0.0.1")
-        {
+        let Some(origin) = parse_origin(origin, true) else {
+            return false;
+        };
+
+        if is_loopback_origin(&origin) {
             return true;
         }
 
         match &self.public_origin {
-            Some(public_origin) => public_origin == origin,
+            Some(public_origin) => public_origin == &origin.origin().ascii_serialization(),
             None => false,
         }
     }
 }
 
+fn is_loopback_origin(origin: &Url) -> bool {
+    matches!(origin.host_str(), Some("localhost" | "127.0.0.1" | "[::1]"))
+}
+
+fn parse_origin(value: &str, origin_only: bool) -> Option<Url> {
+    let origin = Url::parse(value).ok()?;
+    if !matches!(origin.scheme(), "http" | "https")
+        || origin.host_str().is_none()
+        || !origin.username().is_empty()
+        || origin.password().is_some()
+    {
+        return None;
+    }
+
+    if origin_only
+        && (origin.path() != "/" || origin.query().is_some() || origin.fragment().is_some())
+    {
+        return None;
+    }
+
+    Some(origin)
+}
+
 pub(super) fn validate_origin(
     allowed_origins: &AllowedOrigins,
     headers: &HeaderMap,
@@ -298,14 +322,58 @@ pub(super) fn is_valid_request_id(value: &str) -> bool {
 }
 
 pub(super) fn extract_origin(url: &str) -> Option<String> {
-    let mut parts = url.split('/');
-    let scheme = parts.next()?;
-    let empty = parts.next()?;
-    let authority = parts.next()?;
+    Some(parse_origin(url, false)?.origin().ascii_serialization())
+}
 
-    if empty.is_empty() {
-        return Some(format!("{scheme}//{authority}"));
+#[cfg(test)]
+mod tests {
+    use super::AllowedOrigins;
+
+    #[test]
+    fn allows_loopback_origins_with_and_without_port() {
+        let origins = AllowedOrigins::new(None);
+
+        assert!(origins.is_allowed("http://localhost"));
+        assert!(origins.is_allowed("http://localhost:3000"));
+        assert!(origins.is_allowed("https://127.0.0.1:8443"));
+        assert!(origins.is_allowed("http://[::1]:3000"));
     }
 
-    None
+    #[test]
+    fn rejects_hosts_that_only_prefix_match_loopback() {
+        let origins = AllowedOrigins::new(None);
+
+        assert!(!origins.is_allowed("http://localhost.attacker.com"));
+        assert!(!origins.is_allowed("http://127.0.0.1.attacker.com"));
+        assert!(!origins.is_allowed("http://localhost@attacker.com"));
+        assert!(!origins.is_allowed("http://attacker.com/http://localhost"));
+        assert!(!origins.is_allowed("http://[::1].attacker.com"));
+        assert!(!origins.is_allowed("http://attacker@[::1]"));
+    }
+
+    #[test]
+    fn matches_configured_public_origin_exactly() {
+        let origins = AllowedOrigins::new(Some("https://crank.example.com".to_owned()));
+
+        assert!(origins.is_allowed("https://crank.example.com"));
+        assert!(!origins.is_allowed("https://crank.example.com.attacker.com"));
+        assert!(!origins.is_allowed("https://evil.example.com"));
+    }
+
+    #[test]
+    fn rejects_non_http_schemes() {
+        let origins = AllowedOrigins::new(None);
+
+        assert!(!origins.is_allowed("file://localhost"));
+        assert!(!origins.is_allowed("javascript://localhost"));
+    }
+
+    #[test]
+    fn rejects_values_that_are_not_origins() {
+        let origins = AllowedOrigins::new(None);
+
+        assert!(!origins.is_allowed("http://localhost/path"));
+        assert!(!origins.is_allowed("http://localhost?query=value"));
+        assert!(!origins.is_allowed("http://localhost#fragment"));
+    }
 }

crates/crank-community-mcp/tests/unit/manifest.rs

@@ -1,6 +1,6 @@
 use std::collections::BTreeMap;
 
-use crank_community_mcp::manifest::tool_definitions;
+use crank_community_mcp::manifest::{analyze_published_tool_catalog, tool_definitions};
 use crank_core::{
     ExecutionConfig, HttpMethod, Operation, OperationId, OperationSecurityLevel, OperationStatus,
     Protocol, RestTarget, Target, ToolDescription, WorkspaceId,
@@ -57,6 +57,20 @@ fn marks_destructive_tools_as_two_step_confirmation_calls() {
     assert_eq!(definition["inputSchema"]["required"], json!(["base"]));
 }
 
+#[test]
+fn catalog_budget_uses_the_same_definitions_as_tools_list() {
+    let tool = published_tool();
+    let definitions = tool_definitions(&tool);
+    let analysis = analyze_published_tool_catalog(&[tool]).unwrap();
+
+    assert_eq!(analysis.budget.tool_count, definitions.len());
+    assert_eq!(
+        analysis.budget.serialized_bytes,
+        serde_json::to_vec(&definitions[0]).unwrap().len()
+    );
+    assert!(!analysis.budget.exceeds_recommended_budget);
+}
+
 fn published_tool() -> PublishedAgentTool {
     PublishedAgentTool {
         workspace_id: WorkspaceId::new("ws_01"),

crates/crank-core/src/approval.rs

@@ -11,6 +11,7 @@ pub enum ApprovalRequestStatus {
     #[default]
     Pending,
     Approved,
+    Executing,
     Denied,
     Expired,
     Completed,

crates/crank-core/src/edition.rs

@@ -14,18 +14,13 @@ pub enum MachineAccessMode {
     StaticAgentKey,
 }
 
-#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
 #[serde(rename_all = "snake_case")]
 pub enum OperationSecurityLevel {
+    #[default]
     Standard,
 }
 
-impl Default for OperationSecurityLevel {
-    fn default() -> Self {
-        Self::Standard
-    }
-}
-
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub struct EditionLimits {
     pub max_workspaces: Option<u32>,

crates/crank-core/src/lib.rs

@@ -10,6 +10,7 @@ pub mod observability;
 pub mod operation;
 pub mod protocol;
 pub mod secret;
+pub mod tool_catalog;
 pub mod tool_quality;
 pub mod workspace;
 
@@ -38,8 +39,8 @@ pub mod domain {
         UserSessionId, WorkspaceId,
     };
     pub use crate::observability::{
-        InvocationLevel, InvocationLog, InvocationSource, InvocationStatus, UsagePeriod,
-        UsageRollup,
+        INVOCATION_PREVIEW_MAX_BYTES, InvocationLevel, InvocationLog, InvocationSource,
+        InvocationStatus, UsagePeriod, UsageRollup, sanitize_invocation_preview,
     };
     pub use crate::operation::{
         ConfigExport, ConfirmationPolicy, ExecutionConfig, GeneratedDraft, GeneratedDraftStatus,
@@ -50,6 +51,7 @@ pub mod domain {
     };
     pub use crate::protocol::{AuthKind, ExportMode, HttpMethod, Protocol};
     pub use crate::secret::{Secret, SecretKind, SecretStatus, SecretVersion};
+    pub use crate::tool_catalog::{ToolCatalogAnalysis, ToolCatalogBudget};
     pub use crate::tool_quality::{
         ToolQualityCatalogTool, ToolQualityFinding, ToolQualityMappingRule, ToolQualityMappingSet,
         ToolQualityReport, ToolQualitySchemaKind, ToolQualitySchemaNode, ToolQualitySeverity,
@@ -129,7 +131,8 @@ pub use ids::{
     UserSessionId, WorkspaceId,
 };
 pub use observability::{
-    InvocationLevel, InvocationLog, InvocationSource, InvocationStatus, UsagePeriod, UsageRollup,
+    INVOCATION_PREVIEW_MAX_BYTES, InvocationLevel, InvocationLog, InvocationSource,
+    InvocationStatus, UsagePeriod, UsageRollup, sanitize_invocation_preview,
 };
 pub use operation::{
     ConfigExport, ConfirmationPolicy, ExecutionConfig, GeneratedDraft, GeneratedDraftStatus,
@@ -140,6 +143,10 @@ pub use operation::{
 };
 pub use protocol::{AuthKind, ExportMode, HttpMethod, Protocol};
 pub use secret::{Secret, SecretKind, SecretStatus, SecretVersion};
+pub use tool_catalog::{
+    RECOMMENDED_TOOL_CATALOG_CONTEXT_TOKENS, ToolCatalogAnalysis, ToolCatalogAnalysisError,
+    ToolCatalogBudget, analyze_tool_catalog,
+};
 pub use tool_quality::{
     ToolQualityCatalogTool, ToolQualityFinding, ToolQualityMappingRule, ToolQualityMappingSet,
     ToolQualityReport, ToolQualitySchemaKind, ToolQualitySchemaNode, ToolQualitySeverity,

crates/crank-core/src/observability.rs

@@ -1,9 +1,68 @@
 use serde::{Deserialize, Serialize};
-use serde_json::Value;
+use serde_json::{Map, Value, json};
 use time::OffsetDateTime;
 
 use crate::{AgentId, OperationId, WorkspaceId};
 
+pub const INVOCATION_PREVIEW_MAX_BYTES: usize = 16 * 1024;
+
+pub fn sanitize_invocation_preview(value: &Value) -> Value {
+    let redacted = redact_sensitive_fields(value);
+    let Ok(encoded) = serde_json::to_vec(&redacted) else {
+        return Value::Null;
+    };
+    if encoded.len() <= INVOCATION_PREVIEW_MAX_BYTES {
+        return redacted;
+    }
+    let preview = String::from_utf8_lossy(&encoded[..INVOCATION_PREVIEW_MAX_BYTES]).into_owned();
+    json!({
+        "truncated": true,
+        "original_bytes": encoded.len(),
+        "preview": preview,
+    })
+}
+
+fn redact_sensitive_fields(value: &Value) -> Value {
+    match value {
+        Value::Object(object) => Value::Object(
+            object
+                .iter()
+                .map(|(key, value)| {
+                    let value = if is_sensitive_key(key) {
+                        Value::String("[REDACTED]".to_owned())
+                    } else {
+                        redact_sensitive_fields(value)
+                    };
+                    (key.clone(), value)
+                })
+                .collect::<Map<String, Value>>(),
+        ),
+        Value::Array(items) => Value::Array(items.iter().map(redact_sensitive_fields).collect()),
+        _ => value.clone(),
+    }
+}
+
+fn is_sensitive_key(key: &str) -> bool {
+    let normalized = key.to_ascii_lowercase().replace('-', "_");
+    let compact = normalized
+        .chars()
+        .filter(char::is_ascii_alphanumeric)
+        .collect::<String>();
+    [
+        "authorization",
+        "cookie",
+        "password",
+        "passwd",
+        "secret",
+        "token",
+    ]
+    .iter()
+    .any(|sensitive| compact.contains(sensitive))
+        || ["apikey", "accesskey", "privatekey"]
+            .iter()
+            .any(|sensitive| compact.contains(sensitive))
+}
+
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum InvocationSource {
@@ -87,7 +146,10 @@ mod tests {
     use serde_json::json;
     use time::{OffsetDateTime, format_description::well_known::Rfc3339};
 
-    use super::{InvocationLevel, InvocationLog, InvocationSource, InvocationStatus, UsagePeriod};
+    use super::{
+        INVOCATION_PREVIEW_MAX_BYTES, InvocationLevel, InvocationLog, InvocationSource,
+        InvocationStatus, UsagePeriod, sanitize_invocation_preview,
+    };
     use crate::{AgentId, OperationId, WorkspaceId, ids::InvocationLogId};
 
     fn timestamp(value: &str) -> OffsetDateTime {
@@ -129,4 +191,33 @@ mod tests {
 
         assert_eq!(value, "7d");
     }
+
+    #[test]
+    fn redacts_sensitive_fields_recursively() {
+        let preview = sanitize_invocation_preview(&json!({
+            "authorization": "Bearer secret",
+            "nested": {
+                "api_key": "key",
+                "refreshToken": "token",
+                "client_secret_value": "secret",
+                "value": 42
+            }
+        }));
+
+        assert_eq!(preview["authorization"], "[REDACTED]");
+        assert_eq!(preview["nested"]["api_key"], "[REDACTED]");
+        assert_eq!(preview["nested"]["refreshToken"], "[REDACTED]");
+        assert_eq!(preview["nested"]["client_secret_value"], "[REDACTED]");
+        assert_eq!(preview["nested"]["value"], 42);
+    }
+
+    #[test]
+    fn truncates_large_previews() {
+        let preview = sanitize_invocation_preview(&json!({
+            "body": "x".repeat(INVOCATION_PREVIEW_MAX_BYTES * 2)
+        }));
+
+        assert_eq!(preview["truncated"], true);
+        assert!(preview["original_bytes"].as_u64().unwrap() > INVOCATION_PREVIEW_MAX_BYTES as u64);
+    }
 }

crates/crank-core/src/tool_catalog.rs

@@ -0,0 +1,89 @@
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use thiserror::Error;
+
+use crate::tool_quality::{
+    ToolQualityCatalogTool, ToolQualityFinding, ToolQualityReport, ToolQualitySeverity,
+    analyze_agent_tool_catalog_quality,
+};
+
+pub const RECOMMENDED_TOOL_CATALOG_CONTEXT_TOKENS: usize = 4_096;
+const ESTIMATED_TOKEN_UTF8_BYTES: usize = 3;
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ToolCatalogBudget {
+    pub tool_count: usize,
+    pub serialized_bytes: usize,
+    pub estimated_context_tokens: usize,
+    pub largest_tool_estimated_context_tokens: usize,
+    pub recommended_context_tokens: usize,
+    pub exceeds_recommended_budget: bool,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ToolCatalogAnalysis {
+    pub budget: ToolCatalogBudget,
+    pub quality: ToolQualityReport,
+}
+
+#[derive(Debug, Error)]
+pub enum ToolCatalogAnalysisError {
+    #[error("tool catalog and definitions length mismatch")]
+    DefinitionCountMismatch,
+    #[error("tool catalog definition is missing string field: {0}")]
+    DefinitionFieldMissing(&'static str),
+    #[error("tool catalog definition serialization failed: {0}")]
+    Serialization(#[from] serde_json::Error),
+}
+
+pub fn analyze_tool_catalog(
+    tools: &[ToolQualityCatalogTool],
+    definitions: &[Value],
+) -> Result<ToolCatalogAnalysis, ToolCatalogAnalysisError> {
+    if tools.len() != definitions.len() {
+        return Err(ToolCatalogAnalysisError::DefinitionCountMismatch);
+    }
+
+    let mut serialized_bytes = 0usize;
+    let mut estimated_context_tokens = 0usize;
+    let mut largest_tool_estimated_context_tokens = 0usize;
+    for definition in definitions {
+        let definition_bytes = serde_json::to_vec(definition)?.len();
+        let definition_tokens = estimate_context_tokens(definition_bytes);
+        serialized_bytes = serialized_bytes.saturating_add(definition_bytes);
+        estimated_context_tokens = estimated_context_tokens.saturating_add(definition_tokens);
+        largest_tool_estimated_context_tokens =
+            largest_tool_estimated_context_tokens.max(definition_tokens);
+    }
+
+    let exceeds_recommended_budget =
+        estimated_context_tokens > RECOMMENDED_TOOL_CATALOG_CONTEXT_TOKENS;
+    let budget = ToolCatalogBudget {
+        tool_count: tools.len(),
+        serialized_bytes,
+        estimated_context_tokens,
+        largest_tool_estimated_context_tokens,
+        recommended_context_tokens: RECOMMENDED_TOOL_CATALOG_CONTEXT_TOKENS,
+        exceeds_recommended_budget,
+    };
+    let mut quality = analyze_agent_tool_catalog_quality(tools);
+    if exceeds_recommended_budget {
+        quality.findings.push(ToolQualityFinding {
+            severity: ToolQualitySeverity::Warning,
+            code: "agent_catalog_context_budget_high".to_owned(),
+            message: "Каталог инструментов занимает слишком много контекста модели.".to_owned(),
+            suggested_action: Some(
+                "Сократите описания и схемы либо разделите инструменты между специализированными агентами."
+                    .to_owned(),
+            ),
+            field_path: Some("agent.operations".to_owned()),
+        });
+        quality = ToolQualityReport::new(quality.findings);
+    }
+
+    Ok(ToolCatalogAnalysis { budget, quality })
+}
+
+fn estimate_context_tokens(serialized_bytes: usize) -> usize {
+    serialized_bytes.div_ceil(ESTIMATED_TOKEN_UTF8_BYTES)
+}

crates/crank-core/tests/unit.rs

@@ -1,3 +1,4 @@
 mod unit {
+    mod tool_catalog;
     mod tool_quality;
 }

crates/crank-core/tests/unit/tool_catalog.rs

@@ -0,0 +1,79 @@
+use crank_core::{
+    ToolCatalogAnalysis, ToolQualityCatalogTool, ToolQualitySeverity, analyze_tool_catalog,
+};
+use serde_json::json;
+
+#[test]
+fn measures_the_actual_serialized_catalog_definition() {
+    let definitions = vec![json!({
+        "name": "get_exchange_rate",
+        "title": "Получить курс",
+        "description": "Возвращает актуальный курс выбранной валютной пары.",
+        "inputSchema": {
+            "type": "object",
+            "properties": {
+                "base": {"type": "string"},
+                "quote": {"type": "string"}
+            },
+            "required": ["base", "quote"]
+        }
+    })];
+
+    let analysis = analyze_tool_catalog(&[tool("get_exchange_rate")], &definitions).unwrap();
+    let expected_bytes = serde_json::to_vec(&definitions[0]).unwrap().len();
+
+    assert_eq!(analysis.budget.tool_count, 1);
+    assert_eq!(analysis.budget.serialized_bytes, expected_bytes);
+    assert!(analysis.budget.estimated_context_tokens > 0);
+    assert_eq!(
+        analysis.budget.largest_tool_estimated_context_tokens,
+        analysis.budget.estimated_context_tokens
+    );
+}
+
+#[test]
+fn warns_when_actual_catalog_exceeds_context_budget() {
+    let tools = (0..9)
+        .map(|index| tool(&format!("large_tool_{index}")))
+        .collect::<Vec<_>>();
+    let definitions = (0..9)
+        .map(|index| {
+            json!({
+                "name": format!("large_tool_{index}"),
+                "description": "x".repeat(1_500),
+                "inputSchema": {"type": "object", "properties": {}}
+            })
+        })
+        .collect::<Vec<_>>();
+
+    let analysis = analyze_tool_catalog(&tools, &definitions).unwrap();
+
+    assert!(analysis.budget.exceeds_recommended_budget);
+    assert!(has_warning(&analysis, "agent_catalog_context_budget_high"));
+}
+
+#[test]
+fn rejects_mismatch_between_catalog_tools_and_definitions() {
+    let error = analyze_tool_catalog(&[tool("one")], &[]).unwrap_err();
+
+    assert_eq!(
+        error.to_string(),
+        "tool catalog and definitions length mismatch"
+    );
+}
+
+fn tool(name: &str) -> ToolQualityCatalogTool {
+    ToolQualityCatalogTool {
+        name: name.to_owned(),
+        display_name: name.to_owned(),
+        description: format!("Инструмент {name} выполняет одну конкретную операцию."),
+    }
+}
+
+fn has_warning(analysis: &ToolCatalogAnalysis, code: &str) -> bool {
+    analysis
+        .quality
+        .findings
+        .iter()
+        .any(|finding| finding.code == code && finding.severity == ToolQualitySeverity::Warning)
+}

crates/crank-import/src/rest/schema.rs

@@ -193,11 +193,11 @@ fn text(value: &Value, key: &str) -> Option<String> {
 
 fn collapse_composition(value: &Value) -> Value {
     for key in ["allOf", "oneOf", "anyOf"] {
-        if let Some(items) = value.get(key).and_then(Value::as_array) {
-            if let Some(first) = items.first() {
+        if let Some(items) = value.get(key).and_then(Value::as_array)
+            && let Some(first) = items.first()
+        {
             return first.clone();
         }
     }
-    }
     value.clone()
 }

crates/crank-registry/Cargo.toml

@@ -11,6 +11,7 @@ crank-mapping = { path = "../crank-mapping" }
 crank-schema = { path = "../crank-schema" }
 serde.workspace = true
 serde_json.workspace = true
+sha2.workspace = true
 sqlx.workspace = true
 thiserror.workspace = true
 time.workspace = true

crates/crank-registry/src/migrations.rs

@@ -586,6 +586,22 @@ pub async fn apply_postgres(pool: &PgPool) -> Result<(), sqlx::Error> {
     query("alter table approval_requests drop column if exists confirmation_body")
         .execute(pool)
         .await?;
+    query("alter table approval_requests add column if not exists execution_started_at timestamptz null")
+        .execute(pool)
+        .await?;
+    query("alter table approval_requests add column if not exists execution_attempts integer not null default 0")
+        .execute(pool)
+        .await?;
+    query("alter table approval_requests add column if not exists request_fingerprint text null")
+        .execute(pool)
+        .await?;
+    query(
+        "create unique index if not exists approval_requests_pending_fingerprint_idx
+         on approval_requests(agent_id, operation_id, operation_version, request_fingerprint)
+         where status = 'pending' and request_fingerprint is not null",
+    )
+    .execute(pool)
+    .await?;
     query(
         "create index if not exists approval_requests_agent_status_idx
          on approval_requests(workspace_id, agent_id, status, expires_at)",

crates/crank-registry/src/postgres/approval.rs

@@ -1,11 +1,31 @@
 use super::*;
+use sha2::{Digest, Sha256};
 
 impl PostgresRegistry {
     pub async fn create_approval_request(
         &self,
         request: CreateApprovalRequest<'_>,
-    ) -> Result<(), RegistryError> {
+    ) -> Result<ApprovalRequestRecord, RegistryError> {
+        let fingerprint = approval_request_fingerprint(&request.approval.request_payload)?;
+        let mut transaction = self.pool.begin().await?;
         sqlx::query(
+            "update approval_requests
+                set status = 'expired'
+              where agent_id = $1
+                and operation_id = $2
+                and operation_version = $3
+                and request_fingerprint = $4
+                and status = 'pending'
+                and expires_at <= $5",
+        )
+        .bind(request.approval.agent_id.as_str())
+        .bind(request.approval.operation_id.as_str())
+        .bind(to_db_version(request.approval.operation_version))
+        .bind(&fingerprint)
+        .bind(request.approval.created_at)
+        .execute(&mut *transaction)
+        .await?;
+        let row = sqlx::query(
             "insert into approval_requests (
                 id,
                 workspace_id,
@@ -20,12 +40,20 @@ impl PostgresRegistry {
                 expires_at,
                 decided_at,
                 decided_by_key_id,
-                decision_note
+                decision_note,
+                request_fingerprint
             ) values (
                 $1, $2, $3, $4, $5, $6, $7, $8,
                 $9, $10::timestamptz, $11::timestamptz, $12::timestamptz,
-                $13, $14
-            )",
+                $13, $14, $15
+            )
+            on conflict (agent_id, operation_id, operation_version, request_fingerprint)
+                where status = 'pending' and request_fingerprint is not null
+            do update set request_fingerprint = excluded.request_fingerprint
+            returning
+                id, workspace_id, agent_id, operation_id, operation_version,
+                status, risk_level, request_payload_json, response_payload_json,
+                created_at, expires_at, decided_at, decided_by_key_id, decision_note",
         )
         .bind(request.approval.id.as_str())
         .bind(request.approval.workspace_id.as_str())
@@ -53,10 +81,12 @@ impl PostgresRegistry {
                 .map(PlatformApiKeyId::as_str),
         )
         .bind(request.approval.decision_note.as_deref())
-        .execute(&self.pool)
+        .bind(fingerprint)
+        .fetch_one(&mut *transaction)
         .await?;
+        transaction.commit().await?;
 
-        Ok(())
+        map_approval_request_row(row)
     }
 
     pub async fn list_pending_approval_requests_for_agent(
@@ -263,7 +293,7 @@ impl PostgresRegistry {
               where workspace_id = $4
                 and agent_id = $5
                 and id = $6
-                and status = 'approved'
+                and status = 'executing'
               returning
                 id,
                 workspace_id,
@@ -292,6 +322,75 @@ impl PostgresRegistry {
         row.map(map_approval_request_row).transpose()
     }
 
+    pub async fn claim_approval_request(
+        &self,
+        workspace_id: &WorkspaceId,
+        agent_id: &AgentId,
+        approval_id: &ApprovalRequestId,
+        started_at: OffsetDateTime,
+    ) -> Result<Option<ApprovalRequestRecord>, RegistryError> {
+        let row = sqlx::query(
+            "update approval_requests
+                set status = 'executing',
+                    execution_started_at = $1,
+                    execution_attempts = execution_attempts + 1
+              where workspace_id = $2
+                and agent_id = $3
+                and id = $4
+                and status = 'approved'
+              returning
+                id, workspace_id, agent_id, operation_id, operation_version,
+                status, risk_level, request_payload_json, response_payload_json,
+                created_at, expires_at, decided_at, decided_by_key_id, decision_note",
+        )
+        .bind(started_at)
+        .bind(workspace_id.as_str())
+        .bind(agent_id.as_str())
+        .bind(approval_id.as_str())
+        .fetch_optional(&self.pool)
+        .await?;
+
+        row.map(map_approval_request_row).transpose()
+    }
+
+    pub async fn claim_next_recoverable_approval_request(
+        &self,
+        started_at: OffsetDateTime,
+        approved_before: OffsetDateTime,
+        stale_before: OffsetDateTime,
+    ) -> Result<Option<ApprovalRequestRecord>, RegistryError> {
+        let row = sqlx::query(
+            "with candidate as (
+                select id
+                  from approval_requests
+                 where (status = 'approved' and decided_at <= $1)
+                    or (status = 'executing' and execution_started_at < $2)
+                 order by decided_at asc nulls last, created_at asc
+                 for update skip locked
+                 limit 1
+             )
+             update approval_requests as approval
+                set status = 'executing',
+                    execution_started_at = $3,
+                    execution_attempts = approval.execution_attempts + 1
+               from candidate
+              where approval.id = candidate.id
+              returning
+                approval.id, approval.workspace_id, approval.agent_id,
+                approval.operation_id, approval.operation_version, approval.status,
+                approval.risk_level, approval.request_payload_json,
+                approval.response_payload_json, approval.created_at, approval.expires_at,
+                approval.decided_at, approval.decided_by_key_id, approval.decision_note",
+        )
+        .bind(approved_before)
+        .bind(stale_before)
+        .bind(started_at)
+        .fetch_optional(&self.pool)
+        .await?;
+
+        row.map(map_approval_request_row).transpose()
+    }
+
     pub async fn expire_approval_request(
         &self,
         request: ExpireApprovalRequest<'_>,
@@ -331,6 +430,26 @@ impl PostgresRegistry {
     }
 }
 
+fn approval_request_fingerprint(payload: &Value) -> Result<String, RegistryError> {
+    let canonical = canonical_json(payload);
+    let encoded = serde_json::to_vec(&canonical)?;
+    Ok(format!("{:x}", Sha256::digest(encoded)))
+}
+
+fn canonical_json(value: &Value) -> Value {
+    match value {
+        Value::Object(object) => {
+            let sorted = object
+                .iter()
+                .map(|(key, value)| (key.clone(), canonical_json(value)))
+                .collect::<std::collections::BTreeMap<_, _>>();
+            Value::Object(sorted.into_iter().collect())
+        }
+        Value::Array(items) => Value::Array(items.iter().map(canonical_json).collect()),
+        _ => value.clone(),
+    }
+}
+
 fn map_approval_request_row(row: PgRow) -> Result<ApprovalRequestRecord, RegistryError> {
     Ok(ApprovalRequestRecord {
         approval: ApprovalRequest {

crates/crank-registry/src/postgres/connection.rs

@@ -1,7 +1,7 @@
 use std::time::Duration;
 
 use sqlx::{
-    PgPool,
+    AssertSqlSafe, PgPool,
     postgres::{PgConnectOptions, PgPoolOptions},
 };
 
@@ -58,7 +58,7 @@ impl PostgresRegistry {
             .await?;
 
         if let Some(schema) = schema {
-            sqlx::query(&format!("set search_path to {schema}"))
+            sqlx::query(AssertSqlSafe(format!("set search_path to {schema}")))
                 .execute(&pool)
                 .await?;
         }

crates/crank-registry/src/postgres/observability.rs

@@ -5,6 +5,9 @@ impl PostgresRegistry {
         &self,
         request: CreateInvocationLogRequest<'_>,
     ) -> Result<(), RegistryError> {
+        let request_preview = crank_core::sanitize_invocation_preview(&request.log.request_preview);
+        let response_preview =
+            crank_core::sanitize_invocation_preview(&request.log.response_preview);
         sqlx::query(
             "insert into invocation_logs (
                 id,
@@ -45,8 +48,8 @@ impl PostgresRegistry {
             }
         })?)
         .bind(&request.log.error_kind)
-        .bind(Json(request.log.request_preview.clone()))
-        .bind(Json(request.log.response_preview.clone()))
+        .bind(Json(request_preview))
+        .bind(Json(response_preview))
         .bind(request.log.created_at)
         .execute(&self.pool)
         .await?;
@@ -239,7 +242,7 @@ impl PostgresRegistry {
              group by 1
              order by 1 asc"
         );
-        let rows = sqlx::query(&sql)
+        let rows = sqlx::query(sqlx::AssertSqlSafe(sql))
             .bind(query.workspace_id.as_str())
             .bind(query.created_after)
             .bind(

crates/crank-registry/tests/integration/common.rs

@@ -245,7 +245,9 @@ impl TestDatabase {
         let schema = crank_test_support::unique_schema_name("test_registry");
 
         admin_pool
-            .execute(sqlx::query(&format!("create schema {schema}")))
+            .execute(sqlx::query(sqlx::AssertSqlSafe(format!(
+                "create schema {schema}"
+            ))))
             .await
             .unwrap();
 
@@ -267,10 +269,10 @@ impl TestDatabase {
 
     pub(super) async fn cleanup(&self) {
         self.admin_pool
-            .execute(sqlx::query(&format!(
+            .execute(sqlx::query(sqlx::AssertSqlSafe(format!(
                 "drop schema if exists {} cascade",
                 self.schema
-            )))
+            ))))
             .await
             .unwrap();
     }

crates/crank-registry/tests/integration/workspace_access.rs

@@ -515,12 +515,23 @@ async fn manages_approval_request_lifecycle() {
         })
         .await
         .unwrap();
-    registry
+    let created = registry
         .create_approval_request(CreateApprovalRequest {
             approval: &approval,
         })
         .await
         .unwrap();
+    assert_eq!(created.approval.id, approval.id);
+    let mut duplicate = approval.clone();
+    duplicate.id = ApprovalRequestId::new("approval_02");
+    duplicate.request_payload = json!({"amount": 100});
+    let deduplicated = registry
+        .create_approval_request(CreateApprovalRequest {
+            approval: &duplicate,
+        })
+        .await
+        .unwrap();
+    assert_eq!(deduplicated.approval.id, approval.id);
 
     let pending = registry
         .list_pending_approval_requests_for_agent(&workspace_id, &agent.id)
@@ -572,6 +583,48 @@ async fn manages_approval_request_lifecycle() {
         Some(json!({"approve": "yes"}))
     );
 
+    let approval_inside_recovery_grace = registry
+        .claim_next_recoverable_approval_request(
+            timestamp("2026-03-25T12:02:01Z"),
+            timestamp("2026-03-25T12:01:59Z"),
+            timestamp("2026-03-25T11:55:00Z"),
+        )
+        .await
+        .unwrap();
+    assert!(approval_inside_recovery_grace.is_none());
+
+    let claimed = registry
+        .claim_approval_request(
+            &workspace_id,
+            &agent.id,
+            &approval.id,
+            timestamp("2026-03-25T12:02:01Z"),
+        )
+        .await
+        .unwrap()
+        .unwrap();
+    assert_eq!(claimed.approval.status, ApprovalRequestStatus::Executing);
+    let fresh_claim = registry
+        .claim_next_recoverable_approval_request(
+            timestamp("2026-03-25T12:02:10Z"),
+            timestamp("2026-03-25T12:02:09Z"),
+            timestamp("2026-03-25T12:01:59Z"),
+        )
+        .await
+        .unwrap();
+    assert!(fresh_claim.is_none());
+    let recovered = registry
+        .claim_next_recoverable_approval_request(
+            timestamp("2026-03-25T12:03:00Z"),
+            timestamp("2026-03-25T12:02:59Z"),
+            timestamp("2026-03-25T12:02:30Z"),
+        )
+        .await
+        .unwrap()
+        .unwrap();
+    assert_eq!(recovered.approval.id, approval.id);
+    assert_eq!(recovered.approval.status, ApprovalRequestStatus::Executing);
+
     let completed = registry
         .finish_approval_request(FinishApprovalRequest {
             workspace_id: &workspace_id,
@@ -626,5 +679,26 @@ async fn manages_approval_request_lifecycle() {
         .unwrap();
     assert!(repeated_decision.is_none());
 
+    let mut expired = approval.clone();
+    expired.id = ApprovalRequestId::new("approval_expired_pending");
+    expired.request_payload = json!({"amount": 200});
+    expired.created_at = timestamp("2026-03-25T12:04:00Z");
+    expired.expires_at = timestamp("2026-03-25T12:04:01Z");
+    registry
+        .create_approval_request(CreateApprovalRequest { approval: &expired })
+        .await
+        .unwrap();
+    let mut replacement = expired.clone();
+    replacement.id = ApprovalRequestId::new("approval_replacement_pending");
+    replacement.created_at = timestamp("2026-03-25T12:05:00Z");
+    replacement.expires_at = timestamp("2026-03-25T12:10:00Z");
+    let replaced = registry
+        .create_approval_request(CreateApprovalRequest {
+            approval: &replacement,
+        })
+        .await
+        .unwrap();
+    assert_eq!(replaced.approval.id, replacement.id);
+
     database.cleanup().await;
 }

crates/crank-runtime/src/confirmation.rs

@@ -21,6 +21,9 @@ pub async fn confirm_operation(
     if !safety.class.requires_confirmation() {
         return Ok(());
     }
+    if request_context.is_some_and(RuntimeRequestContext::approval_granted) {
+        return Ok(());
+    }
 
     let Some(store) = store else {
         return Err(RuntimeError::ConfirmationStoreUnavailable {

crates/crank-runtime/src/executor_builder.rs

@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use crank_adapter_rest::RestAdapter;
+use crank_adapter_rest::{OutboundHttpPolicy, RestAdapter, RestAdapterError};
 use crank_core::{
     AdapterRegistry, CoordinationStateStore, MeteringSink, NoopMeteringSink, ResponseCacheStore,
     SharedMeteringSink, SharedProtocolAdapter,
@@ -73,3 +73,13 @@ pub fn community_default() -> RuntimeExecutorBuilder {
     RuntimeExecutorBuilder::new()
         .register_adapter(Arc::new(RestAdapter::new()) as SharedProtocolAdapter)
 }
+
+pub fn community_from_env() -> Result<RuntimeExecutorBuilder, RestAdapterError> {
+    Ok(RuntimeExecutorBuilder::new()
+        .register_adapter(Arc::new(RestAdapter::from_env()?) as SharedProtocolAdapter))
+}
+
+pub fn community_with_outbound_policy(policy: OutboundHttpPolicy) -> RuntimeExecutorBuilder {
+    RuntimeExecutorBuilder::new()
+        .register_adapter(Arc::new(RestAdapter::with_policy(policy)) as SharedProtocolAdapter)
+}

crates/crank-runtime/src/idempotency.rs

@@ -85,11 +85,10 @@ fn key_from_policy(
         .header_name
         .as_deref()
         .filter(|value| !value.is_empty())
+        && let Some(value) = prepared_request.headers.get(header_name)
     {
-        if let Some(value) = prepared_request.headers.get(header_name) {
         return Some(value.clone());
     }
-    }
 
     let field_name = policy.input_field.as_deref()?.trim();
     if field_name.is_empty() {

crates/crank-runtime/src/lib.rs

@@ -23,9 +23,12 @@ pub use cache::{
 pub use cache_factory::{
     BuiltinCacheBackendFactory, CacheBackendFactory, SharedCacheBackendFactory,
 };
+pub use crank_adapter_rest::OutboundHttpPolicy;
 pub use error::RuntimeError;
 pub use executor::{RuntimeExecutionRequest, RuntimeExecutor};
-pub use executor_builder::{RuntimeExecutorBuilder, community_default};
+pub use executor_builder::{
+    RuntimeExecutorBuilder, community_default, community_from_env, community_with_outbound_policy,
+};
 pub use limits::{RuntimeLimits, RuntimeLimitsConfigError};
 pub use model::{AdapterResponse, PreparedRequest, RuntimeOperation};
 pub use rate_limit::{

crates/crank-runtime/src/request_context.rs

@@ -15,6 +15,7 @@ pub struct RuntimeRequestContext {
     pub response_cache_scope: Option<ResponseCacheScope>,
     pub metering_context: Option<MeteringContext>,
     pub confirmation_token: Option<String>,
+    pub approval_granted: bool,
 }
 
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -32,6 +33,7 @@ impl RuntimeRequestContext {
             response_cache_scope: None,
             metering_context: None,
             confirmation_token: None,
+            approval_granted: false,
         }
     }
 
@@ -89,6 +91,15 @@ impl RuntimeRequestContext {
     pub fn confirmation_token(&self) -> Option<&str> {
         self.confirmation_token.as_deref()
     }
+
+    pub fn with_approval_granted(mut self) -> Self {
+        self.approval_granted = true;
+        self
+    }
+
+    pub fn approval_granted(&self) -> bool {
+        self.approval_granted
+    }
 }
 
 impl From<ResponseCacheScope> for crank_core::ResponseCacheScope {
@@ -154,6 +165,7 @@ mod tests {
         assert_eq!(context.correlation_id, "req_123");
         assert!(context.response_cache_scope.is_none());
         assert!(context.confirmation_token.is_none());
+        assert!(!context.approval_granted());
     }
 
     #[test]
@@ -187,4 +199,11 @@ mod tests {
 
         assert_eq!(context.confirmation_token(), Some("ct_123"));
     }
+
+    #[test]
+    fn records_prior_human_approval() {
+        let context = RuntimeRequestContext::from_request_id("req_123").with_approval_granted();
+
+        assert!(context.approval_granted());
+    }
 }

crates/crank-runtime/tests/integration/confirmation.rs

@@ -75,6 +75,18 @@ async fn destructive_operation_requires_single_use_confirmation() {
         RuntimeError::InvalidConfirmationToken { .. }
     ));
     assert_eq!(call_count.load(Ordering::SeqCst), 1);
+
+    let approved_context = context.with_approval_granted();
+    let approved = executor
+        .execute_with_context(
+            &operation,
+            &json!({ "order_id": "ord_123" }),
+            Some(&approved_context),
+        )
+        .await
+        .unwrap();
+    assert_eq!(approved, json!({ "deleted": true }));
+    assert_eq!(call_count.load(Ordering::SeqCst), 2);
 }
 
 struct CountingAdapter {

crates/crank-test-support/src/lib.rs

@@ -28,7 +28,9 @@ pub async fn postgres_schema_url(prefix: &str) -> String {
     let mut connection = connect_admin_with_retry(database_url).await;
 
     connection
-        .execute(sqlx::query(&format!("create schema {schema}")))
+        .execute(sqlx::query(sqlx::AssertSqlSafe(format!(
+            "create schema {schema}"
+        ))))
         .await
         .expect("test PostgreSQL schema must be created");
 

deploy/community/.env.example

@@ -24,6 +24,9 @@ CRANK_RUNTIME_MAX_CONCURRENT_UNARY=64
 CRANK_RUNTIME_MAX_CONCURRENT_WINDOW=16
 CRANK_RUNTIME_MAX_CONCURRENT_SESSIONS=16
 CRANK_RUNTIME_MAX_CONCURRENT_JOBS=16
+CRANK_OUTBOUND_ALLOWED_HOSTS=
+CRANK_OUTBOUND_DENIED_HOSTS=
+CRANK_OUTBOUND_MAX_RESPONSE_BYTES=4194304
 CRANK_CACHE_BACKEND=memory
 CRANK_CACHE_URL=
 CRANK_CACHE_DEFAULT_TTL_MS=

deploy/community/.env.images.example

@@ -16,6 +16,9 @@ CRANK_PUBLISH_BIND=127.0.0.1
 CRANK_ADMIN_BIND=0.0.0.0:3001
 CRANK_MCP_BIND=0.0.0.0:3002
 CRANK_MCP_REFRESH_MS=5000
+CRANK_OUTBOUND_ALLOWED_HOSTS=
+CRANK_OUTBOUND_DENIED_HOSTS=
+CRANK_OUTBOUND_MAX_RESPONSE_BYTES=4194304
 
 CRANK_CACHE_BACKEND=memory
 CRANK_CACHE_URL=
@@ -26,6 +29,10 @@ CRANK_MASTER_KEY=change-me-master-key
 CRANK_SESSION_SECRET=change-me-session-secret
 CRANK_PASSWORD_PEPPER=change-me-password-pepper
 CRANK_SESSION_TTL_HOURS=24
+# Trust X-Real-IP / X-Forwarded-For for client rate limiting. Keep enabled only
+# when admin-api runs behind the bundled nginx (or another trusted reverse
+# proxy). Set to false if you expose admin-api directly to untrusted clients.
+CRANK_TRUST_FORWARDED_HEADERS=true
 CRANK_BOOTSTRAP_ADMIN_EMAIL=owner@crank.local
 CRANK_BOOTSTRAP_ADMIN_PASSWORD=change-me-admin-password
 CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME=Crank Owner

deploy/community/docker-compose.images.yml

@@ -54,10 +54,14 @@ services:
       CRANK_SESSION_SECRET: ${CRANK_SESSION_SECRET}
       CRANK_PASSWORD_PEPPER: ${CRANK_PASSWORD_PEPPER}
       CRANK_SESSION_TTL_HOURS: ${CRANK_SESSION_TTL_HOURS:-24}
+      CRANK_TRUST_FORWARDED_HEADERS: ${CRANK_TRUST_FORWARDED_HEADERS:-true}
       CRANK_BOOTSTRAP_ADMIN_EMAIL: ${CRANK_BOOTSTRAP_ADMIN_EMAIL}
       CRANK_BOOTSTRAP_ADMIN_PASSWORD: ${CRANK_BOOTSTRAP_ADMIN_PASSWORD}
       CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME: ${CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME:-Crank Owner}
       CRANK_DEMO_SEED: ${CRANK_DEMO_SEED:-false}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     volumes:
       - artifact_storage:${CRANK_STORAGE_ROOT:-/var/lib/crank/storage}
     ports:
@@ -86,6 +90,9 @@ services:
       CRANK_LOG_LEVEL: ${CRANK_LOG_LEVEL:-info}
       CRANK_MASTER_KEY: ${CRANK_MASTER_KEY}
       CRANK_BASE_URL: ${CRANK_BASE_URL:-http://localhost:3000}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     volumes:
       - artifact_storage:${CRANK_STORAGE_ROOT:-/var/lib/crank/storage}
     ports:

deploy/community/docker-compose.yml

@@ -38,10 +38,14 @@ services:
       CRANK_SESSION_SECRET: ${CRANK_SESSION_SECRET}
       CRANK_PASSWORD_PEPPER: ${CRANK_PASSWORD_PEPPER}
       CRANK_SESSION_TTL_HOURS: ${CRANK_SESSION_TTL_HOURS:-24}
+      CRANK_TRUST_FORWARDED_HEADERS: ${CRANK_TRUST_FORWARDED_HEADERS:-true}
       CRANK_BOOTSTRAP_ADMIN_EMAIL: ${CRANK_BOOTSTRAP_ADMIN_EMAIL}
       CRANK_BOOTSTRAP_ADMIN_PASSWORD: ${CRANK_BOOTSTRAP_ADMIN_PASSWORD}
       CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME: ${CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME:-Crank Owner}
       CRANK_DEMO_SEED: ${CRANK_DEMO_SEED:-false}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     volumes:
       - artifact_storage:${CRANK_STORAGE_ROOT:-/var/lib/crank/storage}
     ports:
@@ -73,6 +77,9 @@ services:
       CRANK_LOG_LEVEL: ${CRANK_LOG_LEVEL:-info}
       CRANK_MASTER_KEY: ${CRANK_MASTER_KEY}
       CRANK_BASE_URL: ${CRANK_BASE_URL:-http://localhost:3000}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     volumes:
       - artifact_storage:${CRANK_STORAGE_ROOT:-/var/lib/crank/storage}
     ports:

docker-compose.yml

@@ -36,10 +36,14 @@ services:
       CRANK_SESSION_SECRET: ${CRANK_SESSION_SECRET}
       CRANK_PASSWORD_PEPPER: ${CRANK_PASSWORD_PEPPER}
       CRANK_SESSION_TTL_HOURS: ${CRANK_SESSION_TTL_HOURS:-24}
+      CRANK_TRUST_FORWARDED_HEADERS: ${CRANK_TRUST_FORWARDED_HEADERS:-true}
       CRANK_BOOTSTRAP_ADMIN_EMAIL: ${CRANK_BOOTSTRAP_ADMIN_EMAIL}
       CRANK_BOOTSTRAP_ADMIN_PASSWORD: ${CRANK_BOOTSTRAP_ADMIN_PASSWORD}
       CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME: ${CRANK_BOOTSTRAP_ADMIN_DISPLAY_NAME:-Crank Owner}
       CRANK_DEMO_SEED: ${CRANK_DEMO_SEED:-false}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     depends_on:
       postgres:
         condition: service_healthy
@@ -71,6 +75,9 @@ services:
       CRANK_LOG_LEVEL: ${CRANK_LOG_LEVEL:-info}
       CRANK_MASTER_KEY: ${CRANK_MASTER_KEY}
       CRANK_BASE_URL: ${CRANK_BASE_URL:-http://localhost:3000}
+      CRANK_OUTBOUND_ALLOWED_HOSTS: ${CRANK_OUTBOUND_ALLOWED_HOSTS:-}
+      CRANK_OUTBOUND_DENIED_HOSTS: ${CRANK_OUTBOUND_DENIED_HOSTS:-}
+      CRANK_OUTBOUND_MAX_RESPONSE_BYTES: ${CRANK_OUTBOUND_MAX_RESPONSE_BYTES:-4194304}
     depends_on:
       postgres:
         condition: service_healthy

docs/mcp-interface.md

@@ -199,6 +199,16 @@ curl https://crank.example.com/mcp/v1/default/sales/approvals/<approval_id>/appr
 
 После подтверждения Crank выполняет исходный REST-запрос с тем payload, который был сохранен при первом `tools/call`. Если запрос прошел успешно, заявка получает статус `completed`, а результат сохраняется в `response_payload`. Если upstream вернул ошибку, заявка получает статус `failed`, а в `response_payload` сохраняется код и текст ошибки.
 
+Перед обращением к upstream заявка атомарно переходит в статус `executing`. Если
+`mcp-server` завершился во время выполнения, другой рабочий цикл повторно захватит
+заявку после истечения аренды. Для изменяющих операций рекомендуется настроить
+`execution_config.idempotency` и передавать поддерживаемый upstream заголовок
+идемпотентности: универсальный HTTP-клиент не может гарантировать ровно одно внешнее
+побочное действие при падении процесса между ответом upstream и записью результата.
+
+Повторный `tools/call` с теми же агентом, операцией, версией и JSON-аргументами
+возвращает уже существующую активную заявку вместо создания дубликата.
+
 Отклонение:
 
 ```bash
@@ -218,6 +228,17 @@ MCP-клиент видит только опубликованные опера
 
 Черновики операций не попадают в MCP-каталог. Если два пользователя работают в одном workspace, один может редактировать черновик, а второй публиковать агента. В опубликованный каталог попадут только опубликованные версии операций.
 
+При каждом обновлении каталога Crank анализирует фактические определения `tools/list` и записывает в структурированный журнал:
+
+- число инструментов;
+- размер компактного JSON в байтах;
+- оценочный объём контекста в токенах;
+- размер крупнейшего инструмента;
+- рекомендуемый предел и признак его превышения;
+- число предупреждений качества каталога.
+
+Оценка токенов равна округлённому вверх отношению размера UTF-8 к трём. Она нужна для стабильного сравнения ревизий каталога и не заменяет точный токенизатор конкретной модели.
+
 ## Обновление каталога
 
 `mcp-server` периодически обновляет опубликованный каталог. Интервал задается:

docs/observability.md

@@ -15,6 +15,8 @@ Crank сохраняет данные о тестовых запусках и в
 - краткий preview запроса и ответа;
 - категория ошибки, если вызов завершился ошибкой.
 
+При обновлении опубликованного MCP-каталога отдельное событие `published agent catalog analyzed` содержит `tool_count`, `serialized_bytes`, `estimated_context_tokens`, `largest_tool_estimated_context_tokens`, `recommended_context_tokens`, `exceeds_recommended_budget` и число предупреждений качества. По этим полям можно заметить рост цены `tools/list` до того, как он ухудшит выбор инструментов моделью.
+
 ## Использование
 
 Раздел использования агрегирует:
@@ -31,4 +33,3 @@ Crank сохраняет данные о тестовых запусках и в
 - увидеть ошибки маппинга или внешнего API;
 - найти медленные endpoint-ы;
 - понять, какие инструменты реально используются.
-

docs/runtime-config.md

@@ -85,6 +85,32 @@ Demo seed идемпотентный: повторный старт не соз
 
 Эти настройки ограничивают параллельное выполнение операций и служебных задач.
 
+## Исходящие HTTP-запросы
+
+По умолчанию Crank обращается только к публичным IP-адресам. Локальные, частные,
+служебные и link-local сети блокируются после разрешения DNS-имени. Автоматические
+HTTP-перенаправления и системный прокси отключены.
+
+- `CRANK_OUTBOUND_ALLOWED_HOSTS` - исключения для разрешённых внутренних узлов через
+  запятую. Публичные узлы разрешены независимо от этого списка. Для внутреннего API
+  укажите его имя или IP явно. Поддерживаются маски вида `*.example.internal`.
+- `CRANK_OUTBOUND_DENIED_HOSTS` - список узлов, запрещённых независимо от списка
+  разрешённых.
+- `CRANK_OUTBOUND_MAX_RESPONSE_BYTES` - максимальный размер ответа внешнего API;
+  по умолчанию `4194304` байт.
+
+Пример доступа только к двум внутренним API:
+
+```env
+CRANK_OUTBOUND_ALLOWED_HOSTS=crm.example.internal,192.168.1.50
+CRANK_OUTBOUND_DENIED_HOSTS=metadata.example.internal
+CRANK_OUTBOUND_MAX_RESPONSE_BYTES=4194304
+```
+
+Одинаковые значения должны передаваться в `admin-api` и `mcp-server`: первый
+проверяет операции при сохранении, второй применяет политику при каждом соединении.
+Максимальный `execution_config.timeout_ms` операции равен `300000` мс.
+
 ## Кэш
 
 По умолчанию Crank работает без внешнего кэша:
@@ -107,6 +133,10 @@ CRANK_CACHE_DEFAULT_TTL_MS=60000
 
 - `CRANK_LOG_LEVEL` - уровень логирования, например `info`, `debug`, `warn`.
 
+Поля с паролями, токенами, ключами и заголовками авторизации удаляются из снимков
+запросов и ответов. Один снимок ограничен 16 КиБ; более крупное значение хранится в
+усечённом виде с исходным размером.
+
 Пример:
 
 ```env

docs/tool-design.md

@@ -154,6 +154,10 @@ Crank возвращает структурированные ошибки. MCP-
 
 Если у агента слишком много похожих инструментов, модель чаще ошибается при выборе.
 
+Crank измеряет опубликованный каталог по тому же компактному JSON, который возвращается в `tools/list`. В расчёт входят имя, заголовок, описание, входная JSON-схема и добавляемое Crank описание подтверждения опасной операции. Для сравнения используется независимая от конкретной модели консервативная оценка: один токен на три байта UTF-8. Это не счётчик токенов конкретного поставщика, а стабильная инженерная метрика для поиска регрессий.
+
+Рекомендуемый бюджет одного агентского каталога — не более 4096 оценочных токенов. Превышение не блокирует публикацию, потому что допустимый объём зависит от модели, но создаёт предупреждение. Сначала сокращайте лишние описания и схемы. Если инструменты решают разные задачи, разделяйте их между специализированными агентами. Выбор нужного агента и постепенное раскрытие каталогов выполняет оркестратор Drivetrain, а не Crank.
+
 ## Проверочный список
 
 - Имя инструмента конкретное и не похоже на `call_api`.
@@ -164,3 +168,4 @@ Crank возвращает структурированные ошибки. MCP-
 - Для POST/PATCH задан idempotency key, если повторный вызов может создать дубль.
 - Для DELETE пользователь видит двухшаговое подтверждение.
 - Агенту привязаны только инструменты, нужные для его задачи.
+- Опубликованный каталог укладывается в выбранный бюджет контекста модели.

justfile

@@ -10,6 +10,12 @@ tooling-test:
 community-scope-check:
     scripts/check-community-scope.sh
 
+rust-boundaries:
+    scripts/check-rust-boundaries.sh
+
+rust-code-health:
+    scripts/check-rust-code-health.sh
+
 check:
     cargo check --workspace
 
@@ -28,6 +34,8 @@ sqlx-check:
 verify:
     just tooling-test
     just community-scope-check
+    just rust-boundaries
+    just rust-code-health
     just fmt-check
     just clippy
     just test

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.85.0"
+channel = "1.96.1"
 components = ["clippy", "rustfmt"]