feat: claude effort controls, ultrathink UI, and adapter robustness

apps/server/src/orchestration/Layers/ProviderCommandReactor.test.ts

@@ -351,6 +351,56 @@ describe("ProviderCommandReactor", () => {
     });
   });
 
+  it("forwards claude effort options through session start and turn send", async () => {
+    const harness = await createHarness();
+    const now = new Date().toISOString();
+
+    await Effect.runPromise(
+      harness.engine.dispatch({
+        type: "thread.turn.start",
+        commandId: CommandId.makeUnsafe("cmd-turn-start-claude-effort"),
+        threadId: ThreadId.makeUnsafe("thread-1"),
+        message: {
+          messageId: asMessageId("user-message-claude-effort"),
+          role: "user",
+          text: "hello with effort",
+          attachments: [],
+        },
+        provider: "claudeAgent",
+        model: "claude-sonnet-4-6",
+        modelOptions: {
+          claudeAgent: {
+            effort: "max",
+          },
+        },
+        interactionMode: DEFAULT_PROVIDER_INTERACTION_MODE,
+        runtimeMode: "approval-required",
+        createdAt: now,
+      }),
+    );
+
+    await waitFor(() => harness.startSession.mock.calls.length === 1);
+    await waitFor(() => harness.sendTurn.mock.calls.length === 1);
+    expect(harness.startSession.mock.calls[0]?.[1]).toMatchObject({
+      provider: "claudeAgent",
+      model: "claude-sonnet-4-6",
+      modelOptions: {
+        claudeAgent: {
+          effort: "max",
+        },
+      },
+    });
+    expect(harness.sendTurn.mock.calls[0]?.[0]).toMatchObject({
+      threadId: ThreadId.makeUnsafe("thread-1"),
+      model: "claude-sonnet-4-6",
+      modelOptions: {
+        claudeAgent: {
+          effort: "max",
+        },
+      },
+    });
+  });
+
   it("forwards plan interaction mode to the provider turn request", async () => {
     const harness = await createHarness();
     const now = new Date().toISOString();
@@ -531,6 +581,73 @@ describe("ProviderCommandReactor", () => {
     expect(harness.stopSession.mock.calls.length).toBe(0);
   });
 
+  it("restarts claude sessions when claude effort changes", async () => {
+    const harness = await createHarness();
+    const now = new Date().toISOString();
+
+    await Effect.runPromise(
+      harness.engine.dispatch({
+        type: "thread.turn.start",
+        commandId: CommandId.makeUnsafe("cmd-turn-start-claude-effort-1"),
+        threadId: ThreadId.makeUnsafe("thread-1"),
+        message: {
+          messageId: asMessageId("user-message-claude-effort-1"),
+          role: "user",
+          text: "first claude turn",
+          attachments: [],
+        },
+        provider: "claudeAgent",
+        model: "claude-sonnet-4-6",
+        modelOptions: {
+          claudeAgent: {
+            effort: "medium",
+          },
+        },
+        interactionMode: DEFAULT_PROVIDER_INTERACTION_MODE,
+        runtimeMode: "approval-required",
+        createdAt: now,
+      }),
+    );
+
+    await waitFor(() => harness.startSession.mock.calls.length === 1);
+    await waitFor(() => harness.sendTurn.mock.calls.length === 1);
+
+    await Effect.runPromise(
+      harness.engine.dispatch({
+        type: "thread.turn.start",
+        commandId: CommandId.makeUnsafe("cmd-turn-start-claude-effort-2"),
+        threadId: ThreadId.makeUnsafe("thread-1"),
+        message: {
+          messageId: asMessageId("user-message-claude-effort-2"),
+          role: "user",
+          text: "second claude turn",
+          attachments: [],
+        },
+        provider: "claudeAgent",
+        model: "claude-sonnet-4-6",
+        modelOptions: {
+          claudeAgent: {
+            effort: "max",
+          },
+        },
+        interactionMode: DEFAULT_PROVIDER_INTERACTION_MODE,
+        runtimeMode: "approval-required",
+        createdAt: now,
+      }),
+    );
+
+    await waitFor(() => harness.startSession.mock.calls.length === 2);
+    await waitFor(() => harness.sendTurn.mock.calls.length === 2);
+    expect(harness.startSession.mock.calls[1]?.[1]).toMatchObject({
+      provider: "claudeAgent",
+      modelOptions: {
+        claudeAgent: {
+          effort: "max",
+        },
+      },
+    });
+  });
+
   it("restarts the provider session when runtime mode is updated on the thread", async () => {
     const harness = await createHarness();
     const now = new Date().toISOString();

apps/server/src/orchestration/Layers/ProviderCommandReactor.ts

@@ -75,6 +75,11 @@ const DEFAULT_RUNTIME_MODE: RuntimeMode = "full-access";
 const WORKTREE_BRANCH_PREFIX = "t3code";
 const TEMP_WORKTREE_BRANCH_PATTERN = new RegExp(`^${WORKTREE_BRANCH_PREFIX}\\/[0-9a-f]{8}$`);
 
+const sameModelOptions = (
+  left: ProviderModelOptions | undefined,
+  right: ProviderModelOptions | undefined,
+): boolean => JSON.stringify(left ?? null) === JSON.stringify(right ?? null);
+
 function isUnknownPendingApprovalRequestError(cause: Cause.Cause<ProviderServiceError>): boolean {
   const error = Cause.squash(cause);
   if (Schema.is(ProviderAdapterRequestError)(error)) {
@@ -137,6 +142,7 @@ const make = Effect.gen(function* () {
     );
 
   const threadProviderOptions = new Map<string, ProviderStartOptions>();
+  const threadModelOptions = new Map<string, ProviderModelOptions>();
 
   const appendProviderFailureActivity = (input: {
     readonly threadId: ThreadId;
@@ -289,13 +295,23 @@ const make = Effect.gen(function* () {
           : (yield* providerService.getCapabilities(currentProvider)).sessionModelSwitch;
       const modelChanged = options?.model !== undefined && options.model !== activeSession?.model;
       const shouldRestartForModelChange = modelChanged && sessionModelSwitch === "restart-session";
+      const previousModelOptions = threadModelOptions.get(threadId);
+      const shouldRestartForModelOptionsChange =
+        currentProvider === "claudeAgent" &&
+        options?.modelOptions !== undefined &&
+        !sameModelOptions(previousModelOptions, options.modelOptions);
 
-      if (!runtimeModeChanged && !providerChanged && !shouldRestartForModelChange) {
+      if (
+        !runtimeModeChanged &&
+        !providerChanged &&
+        !shouldRestartForModelChange &&
+        !shouldRestartForModelOptionsChange
+      ) {
         return existingSessionThreadId;
       }
 
       const resumeCursor =
-        providerChanged || shouldRestartForModelChange
+        providerChanged || shouldRestartForModelChange || shouldRestartForModelOptionsChange
           ? undefined
           : (activeSession?.resumeCursor ?? undefined);
       yield* Effect.logInfo("provider command reactor restarting provider session", {
@@ -309,6 +325,7 @@ const make = Effect.gen(function* () {
         providerChanged,
         modelChanged,
         shouldRestartForModelChange,
+        shouldRestartForModelOptionsChange,
         hasResumeCursor: resumeCursor !== undefined,
       });
       const restartedSession = yield* startProviderSession({
@@ -348,15 +365,18 @@ const make = Effect.gen(function* () {
     if (!thread) {
       return;
     }
-    if (input.providerOptions !== undefined) {
-      threadProviderOptions.set(input.threadId, input.providerOptions);
-    }
     yield* ensureSessionForThread(input.threadId, input.createdAt, {
       ...(input.provider !== undefined ? { provider: input.provider } : {}),
       ...(input.model !== undefined ? { model: input.model } : {}),
       ...(input.modelOptions !== undefined ? { modelOptions: input.modelOptions } : {}),
       ...(input.providerOptions !== undefined ? { providerOptions: input.providerOptions } : {}),
     });
+    if (input.providerOptions !== undefined) {
+      threadProviderOptions.set(input.threadId, input.providerOptions);
+    }
+    if (input.modelOptions !== undefined) {
+      threadModelOptions.set(input.threadId, input.modelOptions);
+    }
     const normalizedInput = toNonEmptyProviderInput(input.messageText);
     const normalizedAttachments = input.attachments ?? [];
     const activeSession = yield* providerService
@@ -657,13 +677,13 @@ const make = Effect.gen(function* () {
             return;
           }
           const cachedProviderOptions = threadProviderOptions.get(event.payload.threadId);
-          yield* ensureSessionForThread(
-            event.payload.threadId,
-            event.occurredAt,
-            cachedProviderOptions !== undefined
+          const cachedModelOptions = threadModelOptions.get(event.payload.threadId);
+          yield* ensureSessionForThread(event.payload.threadId, event.occurredAt, {
+            ...(cachedProviderOptions !== undefined
               ? { providerOptions: cachedProviderOptions }
-              : undefined,
-          );
+              : {}),
+            ...(cachedModelOptions !== undefined ? { modelOptions: cachedModelOptions } : {}),
+          });
           return;
         }
         case "thread.turn-start-requested":

apps/server/src/orchestration/Layers/ProviderRuntimeIngestion.test.ts

@@ -1412,6 +1412,7 @@ describe("ProviderRuntimeIngestion", () => {
       payload: {
         taskId: "turn-task-1",
         description: "Comparing the desktop rollout chunks to the app-server stream.",
+        summary: "Code reviewer is validating the desktop rollout chunks.",
       },
     });
 
@@ -1474,8 +1475,9 @@ describe("ProviderRuntimeIngestion", () => {
     expect(started?.kind).toBe("task.started");
     expect(started?.summary).toBe("Plan task started");
     expect(progress?.kind).toBe("task.progress");
-    expect(progressPayload?.detail).toBe(
-      "Comparing the desktop rollout chunks to the app-server stream.",
+    expect(progressPayload?.detail).toBe("Code reviewer is validating the desktop rollout chunks.");
+    expect(progressPayload?.summary).toBe(
+      "Code reviewer is validating the desktop rollout chunks.",
     );
     expect(completed?.kind).toBe("task.completed");
     expect(completedPayload?.detail).toBe("<proposed_plan>\n# Plan title\n</proposed_plan>");

apps/server/src/orchestration/Layers/ProviderRuntimeIngestion.ts

@@ -370,7 +370,8 @@ function runtimeEventToActivities(
           summary: "Reasoning update",
           payload: {
             taskId: event.payload.taskId,
-            detail: truncateDetail(event.payload.description),
+            detail: truncateDetail(event.payload.summary ?? event.payload.description),
+            ...(event.payload.summary ? { summary: truncateDetail(event.payload.summary) } : {}),
             ...(event.payload.lastToolName ? { lastToolName: event.payload.lastToolName } : {}),
             ...(event.payload.usage !== undefined ? { usage: event.payload.usage } : {}),
           },