feat: add platform access foundation

crates/crank-registry/src/model.rs

@@ -1,7 +1,7 @@
 use crank_core::{
     Agent, AgentId, AgentOperationBinding, AgentStatus, AgentVersion, AuthProfile, DescriptorId,
-    ExportMode, Operation, OperationId, OperationStatus, Protocol, SampleId, Workspace,
-    WorkspaceId,
+    ExportMode, InvitationToken, MembershipRole, Operation, OperationId, OperationStatus,
+    PlatformApiKey, Protocol, SampleId, User, Workspace, WorkspaceId,
 };
 use crank_mapping::MappingSet;
 use crank_schema::Schema;
@@ -46,6 +46,24 @@ pub struct WorkspaceRecord {
     pub workspace: Workspace,
 }
 
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct MembershipRecord {
+    pub workspace_id: WorkspaceId,
+    pub user: User,
+    pub role: MembershipRole,
+    pub created_at: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct InvitationRecord {
+    pub invitation: InvitationToken,
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
+pub struct PlatformApiKeyRecord {
+    pub api_key: PlatformApiKey,
+}
+
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct AgentSummary {
     pub id: AgentId,
@@ -248,6 +266,17 @@ pub struct PublishAgentRequest<'a> {
     pub published_by: Option<&'a str>,
 }
 
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct CreateInvitationRequest<'a> {
+    pub invitation: &'a InvitationToken,
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct CreatePlatformApiKeyRequest<'a> {
+    pub api_key: &'a PlatformApiKey,
+    pub secret_hash: &'a str,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SaveSampleMetadataRequest<'a> {
     pub sample: &'a OperationSampleMetadata,