chore: merge current develop into T-563 source

crates/client/src/lib.rs

@@ -38,5 +38,10 @@ pub use target::{
     WorkerConnection, WorkerConnectionSelector, WorkerList, WorkerListRequest, WorkerSpawn,
 };
 pub use worker_client::WorkerClient;
-pub use workspace_api::{ObjectiveDetail, ObjectiveSummary};
+pub use workspace_api::{
+    CompanionCancelRequest, CompanionLifecycleState, CompanionMessageDisposition,
+    CompanionMessageRequest, CompanionMessageResponse, CompanionStatusResponse,
+    CompanionTranscriptItem, CompanionTranscriptProjection, CompanionTranscriptRole,
+    CompanionTransportSummary, ObjectiveDetail, ObjectiveSummary,
+};
 pub use workspace_product::BackendWorkspaceProductClient;

crates/workspace-api/Cargo.toml

@@ -12,6 +12,7 @@ typescript = ["dep:ts-rs"]
 [dependencies]
 serde = { workspace = true, features = ["derive"] }
 ts-rs = { version = "12.0.1", optional = true }
+url.workspace = true
 
 [dev-dependencies]
 serde_json.workspace = true
@@ -19,3 +20,11 @@ serde_json.workspace = true
 [[example]]
 name = "generate_workdir_api_types"
 required-features = ["typescript"]
+
+[[example]]
+name = "generate_companion_api_types"
+required-features = ["typescript"]
+
+[[example]]
+name = "generate_repository_access_types"
+required-features = ["typescript"]

crates/workspace-api/examples/generate_companion_api_types.rs

@@ -0,0 +1,3 @@
+fn main() {
+    print!("{}", workspace_api::companion_api_typescript());
+}

crates/workspace-api/examples/generate_repository_access_types.rs

@@ -0,0 +1,3 @@
+fn main() {
+    print!("{}", workspace_api::repository_access_api_typescript());
+}

crates/workspace-api/src/lib.rs

@@ -465,6 +465,7 @@ pub struct WorkerCapabilitySummary {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(tag = "kind", rename_all = "snake_case")]
 pub enum WorkspaceWorkerSubject {
     RuntimeWorker {
@@ -477,6 +478,7 @@ pub enum WorkspaceWorkerSubject {
 /// Runtime placement appears only in the typed subject required by Worker
 /// control operations; provider and launch internals are intentionally omitted.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 pub struct WorkspaceWorkerDiscoveryItem {
     pub subject: WorkspaceWorkerSubject,
     pub resource_key: String,
@@ -486,6 +488,137 @@ pub struct WorkspaceWorkerDiscoveryItem {
     pub status: Option<String>,
 }
 
+/// Public lifecycle projection for the Workspace Companion endpoint.
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(rename_all = "snake_case")]
+pub enum CompanionLifecycleState {
+    Idle,
+    Running,
+    Stopped,
+}
+
+/// Public outcome of a Companion message submission.
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(rename_all = "snake_case")]
+pub enum CompanionMessageDisposition {
+    Accepted,
+    Rejected,
+}
+
+/// Public, bounded transport metadata for Companion status.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionTransportSummary {
+    pub mode: String,
+    pub available: bool,
+}
+
+/// Public Workspace Companion status response.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionStatusResponse {
+    pub state: CompanionLifecycleState,
+    pub worker: Option<WorkspaceWorkerDiscoveryItem>,
+    pub transport: CompanionTransportSummary,
+    #[serde(default)]
+    pub diagnostics: Vec<Diagnostic>,
+}
+
+/// Public Workspace Companion message request.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionMessageRequest {
+    pub content: String,
+}
+
+/// Public Workspace Companion cancellation request.
+#[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionCancelRequest {
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reason: Option<String>,
+}
+
+/// Public Workspace Companion message response.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionMessageResponse {
+    pub state: CompanionMessageDisposition,
+    pub message: String,
+}
+
+/// User-visible role accepted in the public Companion transcript.
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(rename_all = "snake_case")]
+pub enum CompanionTranscriptRole {
+    User,
+    Assistant,
+}
+
+/// One allowlisted, user-visible Companion transcript item.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionTranscriptItem {
+    pub sequence: usize,
+    pub role: CompanionTranscriptRole,
+    pub content: String,
+    pub created_at: String,
+}
+
+/// Bounded public Companion transcript projection.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[serde(deny_unknown_fields)]
+pub struct CompanionTranscriptProjection {
+    pub state: CompanionLifecycleState,
+    pub start: usize,
+    pub limit: usize,
+    pub total: usize,
+    pub next: Option<usize>,
+    pub items: Vec<CompanionTranscriptItem>,
+}
+
+#[cfg(feature = "typescript")]
+pub fn companion_api_typescript() -> String {
+    use ts_rs::TS;
+
+    let config = ts_rs::Config::default();
+    let declarations = [
+        DiagnosticSeverity::decl(&config),
+        Diagnostic::decl(&config),
+        WorkspaceWorkerSubject::decl(&config),
+        WorkspaceWorkerDiscoveryItem::decl(&config),
+        CompanionLifecycleState::decl(&config),
+        CompanionMessageDisposition::decl(&config),
+        CompanionTransportSummary::decl(&config),
+        CompanionStatusResponse::decl(&config),
+        CompanionMessageRequest::decl(&config),
+        CompanionCancelRequest::decl(&config),
+        CompanionMessageResponse::decl(&config),
+        CompanionTranscriptRole::decl(&config),
+        CompanionTranscriptItem::decl(&config),
+        CompanionTranscriptProjection::decl(&config),
+    ];
+
+    format!(
+        "// Generated by `cargo run -p workspace-api --features typescript --example generate_companion_api_types`.\n// Do not edit manually.\n\n{}\n",
+        declarations
+            .into_iter()
+            .map(|declaration| format!("export {declaration}"))
+            .collect::<Vec<_>>()
+            .join("\n\n")
+    )
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct WorkspaceWorkerDiscoveryPage {
     pub workers: Vec<WorkspaceWorkerDiscoveryItem>,
@@ -571,6 +704,7 @@ pub struct UpdateWorkspaceMemorySettingsRequest {
 ///
 /// Secret references and secret material are deliberately not part of this DTO.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct RepositorySshCredential {
     pub credential_id: String,
@@ -578,6 +712,7 @@ pub struct RepositorySshCredential {
     pub name: String,
     pub public_key_algorithm: String,
     pub public_key_fingerprint: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub current_revision: u64,
     pub status: String,
     pub created_at: String,
@@ -587,6 +722,7 @@ pub struct RepositorySshCredential {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct CreateRepositorySshCredentialRequest {
     pub operation_id: String,
@@ -598,9 +734,11 @@ pub struct CreateRepositorySshCredentialRequest {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct RotateRepositorySshCredentialRequest {
     pub operation_id: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub expected_revision: u64,
     pub private_key: String,
     #[serde(default)]
@@ -608,14 +746,17 @@ pub struct RotateRepositorySshCredentialRequest {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct DeleteRepositorySshCredentialRequest {
     pub operation_id: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub expected_revision: u64,
 }
 
 /// Public metadata for an explicitly pinned SSH host key.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct RepositorySshHostTrust {
     pub host_trust_id: String,
@@ -625,6 +766,7 @@ pub struct RepositorySshHostTrust {
     pub key_algorithm: String,
     pub host_key: String,
     pub fingerprint: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub current_revision: u64,
     pub created_at: String,
     pub updated_at: String,
@@ -633,6 +775,7 @@ pub struct RepositorySshHostTrust {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct PutRepositorySshHostTrustRequest {
     pub operation_id: String,
@@ -641,17 +784,22 @@ pub struct PutRepositorySshHostTrustRequest {
     pub port: u16,
     pub host_key: String,
     #[serde(default)]
+    #[cfg_attr(feature = "typescript", ts(type = "number | null"))]
     pub expected_revision: Option<u64>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct DeleteRepositorySshHostTrustRequest {
     pub operation_id: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub expected_revision: u64,
 }
 
 #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
+#[cfg_attr(feature = "typescript", ts(rename_all = "snake_case"))]
 #[serde(rename_all = "snake_case")]
 pub enum RepositoryAccessMode {
     ReadOnly,
@@ -659,6 +807,7 @@ pub enum RepositoryAccessMode {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct RepositorySshAccessBinding {
     pub repository_id: String,
@@ -669,14 +818,43 @@ pub struct RepositorySshAccessBinding {
 
 /// Secret-free active Repository access projection consumed by later Runtime work.
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
 #[serde(deny_unknown_fields)]
 pub struct RepositoryAccessProjection {
     pub workspace_id: String,
+    #[cfg_attr(feature = "typescript", ts(type = "number"))]
     pub config_revision: u64,
     pub projection_digest: String,
     pub bindings: Vec<RepositorySshAccessBinding>,
 }
 
+#[cfg(feature = "typescript")]
+pub fn repository_access_api_typescript() -> String {
+    use ts_rs::TS;
+
+    let config = ts_rs::Config::default();
+    let declarations = [
+        RepositorySshCredential::decl(&config),
+        CreateRepositorySshCredentialRequest::decl(&config),
+        RotateRepositorySshCredentialRequest::decl(&config),
+        DeleteRepositorySshCredentialRequest::decl(&config),
+        RepositorySshHostTrust::decl(&config),
+        PutRepositorySshHostTrustRequest::decl(&config),
+        DeleteRepositorySshHostTrustRequest::decl(&config),
+        RepositoryAccessMode::decl(&config),
+        RepositorySshAccessBinding::decl(&config),
+        RepositoryAccessProjection::decl(&config),
+    ];
+    format!(
+        "// Generated from workspace-api. Do not edit by hand.\n// Regenerate: cargo run -q -p workspace-api --features typescript --example generate_repository_access_types > web/workspace/src/lib/generated/repository-access-api.ts\n\n{}\n",
+        declarations
+            .into_iter()
+            .map(|declaration| format!("export {declaration}"))
+            .collect::<Vec<_>>()
+            .join("\n\n")
+    )
+}
+
 #[cfg(feature = "typescript")]
 pub fn workdir_api_typescript() -> String {
     use ts_rs::TS;
@@ -706,7 +884,7 @@ pub fn workdir_api_typescript() -> String {
 }
 
 #[cfg(all(test, feature = "typescript"))]
-mod typescript_tests {
+mod workdir_typescript_tests {
     #[test]
     fn generated_workdir_api_contract_is_current() {
         let expected = super::workdir_api_typescript();
@@ -756,6 +934,161 @@ mod tests {
         assert!(serde_json::from_value::<WorkerSummary>(payload).is_err());
     }
 
+    fn round_trip<T>(value: T)
+    where
+        T: std::fmt::Debug + PartialEq + Serialize + for<'de> Deserialize<'de>,
+    {
+        let encoded = serde_json::to_vec(&value).expect("fixture should serialize");
+        let decoded: T = serde_json::from_slice(&encoded).expect("fixture should deserialize");
+        assert_eq!(decoded, value);
+    }
+
+    fn companion_worker() -> WorkspaceWorkerDiscoveryItem {
+        WorkspaceWorkerDiscoveryItem {
+            subject: WorkspaceWorkerSubject::RuntimeWorker {
+                runtime_id: "arcadia".to_string(),
+                worker_id: "worker-7".to_string(),
+            },
+            resource_key: "W-7".to_string(),
+            display_name: "Companion".to_string(),
+            profile: Some("builtin:companion".to_string()),
+            status: Some("idle".to_string()),
+        }
+    }
+
+    #[test]
+    fn companion_status_fixtures_round_trip() {
+        for state in [
+            CompanionLifecycleState::Idle,
+            CompanionLifecycleState::Running,
+            CompanionLifecycleState::Stopped,
+        ] {
+            round_trip(CompanionStatusResponse {
+                state,
+                worker: Some(companion_worker()),
+                transport: CompanionTransportSummary {
+                    mode: "worker_runtime".to_string(),
+                    available: state != CompanionLifecycleState::Stopped,
+                },
+                diagnostics: Vec::new(),
+            });
+        }
+    }
+
+    #[test]
+    fn companion_message_fixtures_round_trip() {
+        for state in [
+            CompanionMessageDisposition::Accepted,
+            CompanionMessageDisposition::Rejected,
+        ] {
+            round_trip(CompanionMessageResponse {
+                state,
+                message: if state == CompanionMessageDisposition::Accepted {
+                    "accepted"
+                } else {
+                    "rejected"
+                }
+                .to_string(),
+            });
+        }
+    }
+
+    #[test]
+    fn companion_transcript_fixture_round_trips() {
+        round_trip(CompanionTranscriptProjection {
+            state: CompanionLifecycleState::Idle,
+            start: 0,
+            limit: 2,
+            total: 2,
+            next: None,
+            items: vec![
+                CompanionTranscriptItem {
+                    sequence: 1,
+                    role: CompanionTranscriptRole::User,
+                    content: "hello".to_string(),
+                    created_at: "2026-08-31T00:00:00Z".to_string(),
+                },
+                CompanionTranscriptItem {
+                    sequence: 2,
+                    role: CompanionTranscriptRole::Assistant,
+                    content: "hi".to_string(),
+                    created_at: "2026-08-31T00:00:01Z".to_string(),
+                },
+            ],
+        });
+    }
+
+    #[test]
+    fn companion_transcript_rejects_system_and_private_fields() {
+        let public_item = CompanionTranscriptItem {
+            sequence: 1,
+            role: CompanionTranscriptRole::Assistant,
+            content: "visible".to_string(),
+            created_at: "2026-08-31T00:00:00Z".to_string(),
+        };
+        let public_fields = serde_json::to_value(public_item)
+            .expect("public transcript item should serialize")
+            .as_object()
+            .expect("public transcript item should be an object")
+            .keys()
+            .cloned()
+            .collect::<std::collections::BTreeSet<_>>();
+        assert_eq!(
+            public_fields,
+            ["content", "created_at", "role", "sequence"]
+                .into_iter()
+                .map(str::to_string)
+                .collect()
+        );
+
+        let system_item = serde_json::json!({
+            "sequence": 1,
+            "role": "system",
+            "content": "raw system prompt",
+            "created_at": "2026-08-31T00:00:00Z"
+        });
+        assert!(serde_json::from_value::<CompanionTranscriptItem>(system_item).is_err());
+
+        let private_item = serde_json::json!({
+            "sequence": 1,
+            "role": "assistant",
+            "content": "visible",
+            "created_at": "2026-08-31T00:00:00Z",
+            "reasoning": "hidden",
+            "credential": "secret",
+            "provider_session_id": "session-private"
+        });
+        assert!(serde_json::from_value::<CompanionTranscriptItem>(private_item).is_err());
+    }
+
+    #[cfg(feature = "typescript")]
+    #[test]
+    fn generated_companion_api_contract_is_current() {
+        let expected = companion_api_typescript();
+        let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../../web/workspace/src/lib/generated/companion-api.ts");
+        let actual = std::fs::read_to_string(&path)
+            .unwrap_or_else(|error| panic!("failed to read {}: {error}", path.display()));
+        assert_eq!(
+            normalize_typescript(&actual),
+            normalize_typescript(&expected),
+            "regenerate Companion API TypeScript types with `cargo run -q -p workspace-api --features typescript --example generate_companion_api_types > web/workspace/src/lib/generated/companion-api.ts` and format the generated file",
+        );
+    }
+
+    #[cfg(feature = "typescript")]
+    fn normalize_typescript(value: &str) -> String {
+        value
+            .chars()
+            .filter_map(|character| match character {
+                character if character.is_whitespace() => None,
+                ',' => Some(';'),
+                character => Some(character),
+            })
+            .collect::<String>()
+            .replace(";}", "}")
+    }
+
     #[test]
     fn workdir_create_request_preserves_optional_operation_fields() {
         let payload = serde_json::json!({"repository_id": "main"});
@@ -849,3 +1182,50 @@ mod tests {
         assert!(serde_json::from_value::<WorkingDirectoryListResponse>(stale).is_err());
     }
 }
+
+#[cfg(all(test, feature = "typescript"))]
+mod typescript_tests {
+    #[test]
+    fn generated_repository_access_contract_is_current() {
+        let expected = super::repository_access_api_typescript();
+        let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../../web/workspace/src/lib/generated/repository-access-api.ts");
+        let actual = std::fs::read_to_string(&path)
+            .unwrap_or_else(|error| panic!("failed to read {}: {error}", path.display()));
+        assert_eq!(
+            normalize(&actual),
+            normalize(&expected),
+            "regenerate Repository Access TypeScript types with `cargo run -q -p workspace-api --features typescript --example generate_repository_access_types > web/workspace/src/lib/generated/repository-access-api.ts` and format the generated file",
+        );
+    }
+
+    #[test]
+    fn generated_repository_access_responses_remain_secret_free() {
+        use ts_rs::TS;
+
+        let config = ts_rs::Config::default();
+        for declaration in [
+            super::RepositorySshCredential::decl(&config),
+            super::RepositorySshHostTrust::decl(&config),
+            super::RepositoryAccessProjection::decl(&config),
+        ] {
+            for forbidden in ["private_key", "passphrase", "secret_ref"] {
+                assert!(
+                    !declaration.contains(forbidden),
+                    "Repository Access response declaration must not expose `{forbidden}`"
+                );
+            }
+        }
+    }
+
+    fn normalize(value: &str) -> String {
+        value
+            .chars()
+            .filter_map(|character| match character {
+                character if character.is_whitespace() => None,
+                ',' => Some(';'),
+                character => Some(character),
+            })
+            .collect()
+    }
+}

crates/workspace-server/src/companion.rs

@@ -1,77 +1,14 @@
-use serde::{Deserialize, Serialize};
+use workspace_api::{
+    CompanionLifecycleState, CompanionMessageDisposition, CompanionTransportSummary, Diagnostic,
+    DiagnosticSeverity,
+};
 
-use crate::hosts::{DiagnosticSeverity, RuntimeDiagnostic, WorkerSummary};
-
-#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
-#[serde(rename_all = "snake_case")]
-pub enum CompanionState {
-    Disabled,
-    Rejected,
-    Cancelled,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct CompanionStatusResponse {
-    pub state: CompanionState,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub worker: Option<WorkerSummary>,
-    pub transport: CompanionTransportSummary,
-    pub diagnostics: Vec<RuntimeDiagnostic>,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct CompanionTransportSummary {
-    pub kind: String,
-    pub completion: String,
-    pub limitation: String,
-}
-
-#[derive(Debug, Clone, Deserialize, PartialEq, Eq)]
-pub struct CompanionMessageRequest {
-    pub content: String,
-}
-
-#[derive(Debug, Clone, Deserialize, PartialEq, Eq, Default)]
-pub struct CompanionCancelRequest {
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub reason: Option<String>,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct CompanionMessageResponse {
-    pub state: CompanionState,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub worker: Option<WorkerSummary>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub user_item: Option<CompanionTranscriptItem>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub assistant_item: Option<CompanionTranscriptItem>,
-    pub transcript: CompanionTranscriptProjection,
-    pub diagnostics: Vec<RuntimeDiagnostic>,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct CompanionTranscriptProjection {
-    pub state: CompanionState,
-    pub start: usize,
-    pub limit: usize,
-    pub total_items: usize,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub next_start: Option<usize>,
-    pub items: Vec<CompanionTranscriptItem>,
-    pub diagnostics: Vec<RuntimeDiagnostic>,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
-pub struct CompanionTranscriptItem {
-    pub sequence: u64,
-    pub role: String,
-    pub content: String,
-    pub created_at: String,
-    pub source: String,
-    pub status: String,
-}
+pub use workspace_api::{
+    CompanionCancelRequest, CompanionMessageRequest, CompanionMessageResponse,
+    CompanionStatusResponse, CompanionTranscriptProjection,
+};
 
+#[derive(Clone, Default)]
 pub struct CompanionConsole;
 
 impl CompanionConsole {
@@ -81,68 +18,50 @@ impl CompanionConsole {
 
     pub fn status(&self) -> CompanionStatusResponse {
         CompanionStatusResponse {
-            state: CompanionState::Disabled,
+            state: CompanionLifecycleState::Stopped,
             worker: None,
-            transport: disabled_transport(),
+            transport: CompanionTransportSummary {
+                mode: "disabled".to_string(),
+                available: false,
+            },
             diagnostics: vec![disabled_diagnostic()],
         }
     }
 
     pub fn transcript(&self, start: usize, limit: usize) -> CompanionTranscriptProjection {
         CompanionTranscriptProjection {
-            state: CompanionState::Disabled,
+            state: CompanionLifecycleState::Stopped,
             start,
             limit,
-            total_items: 0,
-            next_start: None,
+            total: 0,
+            next: None,
             items: Vec::new(),
-            diagnostics: vec![disabled_diagnostic()],
         }
     }
 
     pub fn send_message(&self, _request: CompanionMessageRequest) -> CompanionMessageResponse {
-        disabled_message_response(CompanionState::Rejected)
+        disabled_message_response()
     }
 
     pub fn cancel(&self, _request: CompanionCancelRequest) -> CompanionMessageResponse {
-        disabled_message_response(CompanionState::Cancelled)
+        disabled_message_response()
     }
 }
 
-fn disabled_message_response(state: CompanionState) -> CompanionMessageResponse {
+fn disabled_message_response() -> CompanionMessageResponse {
     CompanionMessageResponse {
-        state,
-        worker: None,
-        user_item: None,
-        assistant_item: None,
-        transcript: CompanionTranscriptProjection {
-            state: CompanionState::Disabled,
-            start: 0,
-            limit: 200,
-            total_items: 0,
-            next_start: None,
-            items: Vec::new(),
-            diagnostics: vec![disabled_diagnostic()],
-        },
-        diagnostics: vec![disabled_diagnostic()],
-    }
-}
-
-fn disabled_transport() -> CompanionTransportSummary {
-    CompanionTransportSummary {
-        kind: "none".to_string(),
-        completion: "disabled".to_string(),
-        limitation:
-            "Workspace Companion auto-start has been removed; create an explicit Worker instead."
-                .to_string(),
-    }
-}
-
-fn disabled_diagnostic() -> RuntimeDiagnostic {
-    RuntimeDiagnostic {
-        code: "companion_disabled".to_string(),
-        severity: DiagnosticSeverity::Info,
-        message: "Workspace Companion auto-start is disabled; create an explicit Worker instead."
+        state: CompanionMessageDisposition::Rejected,
+        message: "Workspace Companion auto-start is disabled; create or select an explicit Worker instead."
             .to_string(),
     }
 }
+
+fn disabled_diagnostic() -> Diagnostic {
+    Diagnostic {
+        code: "companion_disabled".to_string(),
+        severity: DiagnosticSeverity::Info,
+        message:
+            "Workspace Companion auto-start was removed; use the explicit Worker lifecycle instead."
+                .to_string(),
+    }
+}

crates/workspace-server/src/server.rs

@@ -11085,33 +11085,43 @@ async fn get_workspace(State(api): State<WorkspaceApi>) -> ApiResult<Json<Worksp
 }
 
 fn companion_console_extension_point(status: &CompanionStatusResponse) -> ExtensionPointState {
-    let completion = status.transport.completion.clone();
-    let note = match completion.as_str() {
-        "connected" => "Workspace Companion is input-capable and browser input is dispatched through the normal Worker runtime path.".to_string(),
-        "not_input_capable" => {
-            let diagnostic_codes = status
-                .diagnostics
-                .iter()
-                .map(|diagnostic| diagnostic.code.as_str())
-                .collect::<Vec<_>>()
-                .join(", ");
-            if diagnostic_codes.is_empty() {
-                "Workspace Companion is not input-capable; check provider, config, profile, secret, and authority diagnostics.".to_string()
-            } else {
-                format!(
-                    "Workspace Companion is not input-capable; check typed diagnostics: {diagnostic_codes}."
-                )
-            }
-        }
-        "disabled" => "Workspace Companion auto-start has been removed; create an explicit Worker instead.".to_string(),
-        other => format!(
-            "Workspace Companion transport reports {other}; browser input follows the Companion Worker runtime capability state."
-        ),
+    let extension_status = match status.state {
+        workspace_api::CompanionLifecycleState::Idle => "idle",
+        workspace_api::CompanionLifecycleState::Running => "running",
+        workspace_api::CompanionLifecycleState::Stopped => "stopped",
+    }
+    .to_string();
+    let diagnostic_codes = status
+        .diagnostics
+        .iter()
+        .map(|diagnostic| diagnostic.code.as_str())
+        .collect::<Vec<_>>()
+        .join(", ");
+    let note = if status.transport.available {
+        "Workspace Companion is input-capable and browser input is dispatched through the normal Worker runtime path."
+            .to_string()
+    } else if diagnostic_codes.is_empty() {
+        "Workspace Companion is unavailable; create or select an explicit Worker instead."
+            .to_string()
+    } else {
+        format!("Workspace Companion is unavailable; check typed diagnostics: {diagnostic_codes}.")
     };
     ExtensionPointState {
-        status: completion,
+        status: extension_status,
         note,
-        diagnostics: status.diagnostics.clone(),
+        diagnostics: status
+            .diagnostics
+            .iter()
+            .map(|diagnostic| RuntimeDiagnostic {
+                code: diagnostic.code.clone(),
+                severity: match diagnostic.severity {
+                    workspace_api::DiagnosticSeverity::Info => DiagnosticSeverity::Info,
+                    workspace_api::DiagnosticSeverity::Warning => DiagnosticSeverity::Warning,
+                    workspace_api::DiagnosticSeverity::Error => DiagnosticSeverity::Error,
+                },
+                message: diagnostic.message.clone(),
+            })
+            .collect(),
     }
 }
 
@@ -24209,10 +24219,10 @@ mod tests {
         );
 
         let companion_status = get_json(app.clone(), "/api/companion/status").await;
-        assert_eq!(companion_status["state"], "disabled");
+        assert_eq!(companion_status["state"], "stopped");
         assert!(companion_status["worker"].is_null());
-        assert_eq!(companion_status["transport"]["kind"], "none");
-        assert_eq!(companion_status["transport"]["completion"], "disabled");
+        assert_eq!(companion_status["transport"]["mode"], "disabled");
+        assert_eq!(companion_status["transport"]["available"], false);
         assert!(!companion_status.to_string().contains("/workspace/demo"));
 
         let companion_message = post_json(
@@ -24222,16 +24232,26 @@ mod tests {
         )
         .await;
         assert_eq!(companion_message["state"], "rejected");
-        assert_eq!(
-            companion_message["diagnostics"][0]["code"],
-            "companion_disabled"
-        );
-        assert!(companion_message["user_item"].is_null());
-        assert!(companion_message["assistant_item"].is_null());
+        assert!(companion_message.get("accepted").is_none());
+        assert!(companion_message.get("diagnostics").is_none());
+        assert!(companion_message.get("user_item").is_none());
+        assert!(companion_message.get("assistant_item").is_none());
         assert!(!companion_message.to_string().contains("/workspace/demo"));
 
         let companion_transcript = get_json(app.clone(), "/api/companion/transcript").await;
-        assert_eq!(companion_transcript["total_items"], 0);
+        assert_eq!(companion_transcript["total"], 0);
+        let empty_window = get_json(app.clone(), "/api/companion/transcript?start=0&limit=0").await;
+        assert_eq!(
+            empty_window,
+            json!({
+                "state": "stopped",
+                "start": 0,
+                "limit": 0,
+                "total": 0,
+                "next": null,
+                "items": [],
+            })
+        );
 
         let host_workers = get_json(app.clone(), &format!("/api/hosts/{host_id}/workers")).await;
         assert!(
@@ -24336,7 +24356,7 @@ mod tests {
 
         let workspace = get_json(app.clone(), "/api/workspace").await;
         let workspace_companion = &workspace["extension_points"]["companion_console"];
-        assert_eq!(workspace_companion["status"], "disabled");
+        assert_eq!(workspace_companion["status"], "stopped");
         assert_eq!(
             workspace_companion["diagnostics"][0]["code"],
             "companion_disabled"
@@ -24345,12 +24365,13 @@ mod tests {
             workspace_companion["note"]
                 .as_str()
                 .unwrap()
-                .contains("auto-start has been removed")
+                .contains("typed diagnostics")
         );
 
         let status = get_json(app.clone(), "/api/companion/status").await;
-        assert_eq!(status["state"], "disabled");
-        assert_eq!(status["transport"]["completion"], "disabled");
+        assert_eq!(status["state"], "stopped");
+        assert_eq!(status["transport"]["mode"], "disabled");
+        assert_eq!(status["transport"]["available"], false);
         assert!(status["worker"].is_null());
 
         let response = post_json(
@@ -24360,13 +24381,14 @@ mod tests {
         )
         .await;
         assert_eq!(response["state"], "rejected");
-        assert_eq!(response["diagnostics"][0]["code"], "companion_disabled");
-        assert!(response["user_item"].is_null());
-        assert!(response["assistant_item"].is_null());
+        assert!(response.get("accepted").is_none());
+        assert!(response.get("diagnostics").is_none());
+        assert!(response.get("user_item").is_none());
+        assert!(response.get("assistant_item").is_none());
 
         let transcript = get_json(app.clone(), "/api/companion/transcript").await;
-        assert_eq!(transcript["state"], "disabled");
-        assert_eq!(transcript["total_items"], 0);
+        assert_eq!(transcript["state"], "stopped");
+        assert_eq!(transcript["total"], 0);
 
         let workers = get_json(app, "/api/workers").await;
         assert!(