feat(FN-2615): merge fusion/fn-2615 (auto-resolved)

- fix(FN-2615): restore workspace lint and test stability

packages/dashboard/app/components/__tests__/MailboxModal.test.tsx

@@ -803,8 +803,10 @@ describe("MailboxModal", () => {
       });
 
       // Inbox tab should have the unread badge
-      const inboxTab = screen.getByTestId("mailbox-agent-subtab-inbox");
+      await waitFor(() => {
-      expect(inboxTab.querySelector(".mailbox-tab-badge")?.textContent).toBe("3");
+        const inboxTab = screen.getByTestId("mailbox-agent-subtab-inbox");
+        expect(inboxTab.querySelector(".mailbox-tab-badge")?.textContent).toBe("3");
+      });
     });
   });
 

packages/dashboard/app/components/__tests__/TaskForm.test.tsx

@@ -1074,7 +1074,7 @@ describe("TaskForm workflow step reordering (FN-836)", () => {
     expect(onWorkflowStepsChange).toHaveBeenCalledWith(["WS-001", "WS-002", "WS-003"]);
   });
 
-  it("preserves order when removing a step via checkbox (not reorder remove)", async () => {
+  it("preserves order when removing a step via remove action (not reorder remove)", async () => {
     const { fetchWorkflowSteps } = await import("../../api");
     vi.mocked(fetchWorkflowSteps).mockResolvedValueOnce([
       { id: "WS-001", name: "QA Check", description: "Run tests", prompt: "Check tests", enabled: true, createdAt: "", updatedAt: "" },
@@ -1089,9 +1089,8 @@ describe("TaskForm workflow step reordering (FN-836)", () => {
       expect(screen.getByTestId("workflow-step-order")).toBeTruthy();
     });
 
-    // Uncheck WS-002 via checkbox
+    // Remove WS-002 via explicit remove action
-    const checkbox = screen.getByTestId("workflow-step-checkbox-WS-002").querySelector('input[type="checkbox"]') as HTMLInputElement;
+    fireEvent.click(screen.getByTestId("workflow-step-remove-WS-002"));
-    fireEvent.click(checkbox);
 
     expect(onWorkflowStepsChange).toHaveBeenCalledWith(["WS-001", "WS-003"]);
   });

packages/dashboard/src/agent-generation.ts

@@ -43,7 +43,7 @@ const promptCatalogReadyPromise = initPromptCatalog();
 import { createFnAgent as engineCreateFnAgent } from "@fusion/engine";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+const createFnAgent: any = engineCreateFnAgent;
 
 function ensureEngineReady(): Promise<void> {
   return Promise.resolve();

packages/dashboard/src/ai-refine.ts

@@ -17,7 +17,7 @@ import { resolvePrompt } from "@fusion/core";
 import { createFnAgent as engineCreateFnAgent } from "@fusion/engine";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+const createFnAgent: any = engineCreateFnAgent;
 
 function ensureEngineReady(): Promise<void> {
   return Promise.resolve();

packages/dashboard/src/chat.ts

@@ -25,17 +25,14 @@ import { EventEmitter } from "node:events";
 import { join, resolve, relative } from "node:path";
 import { SessionEventBuffer } from "./sse-buffer.js";
 
-import {
+import * as engine from "@fusion/engine";
-  createFnAgent as engineCreateFnAgent,
-  buildAgentChatPrompt as engineBuildAgentChatPrompt,
-} from "@fusion/engine";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 type AgentResult = any;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+let createFnAgent: any = engine.createFnAgent;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let buildAgentChatPromptFn: any = engineBuildAgentChatPrompt;
+let buildAgentChatPromptFn: any = "buildAgentChatPrompt" in engine ? engine.buildAgentChatPrompt : undefined;
 
 /**
  * Diagnostics logger for the chat module.
@@ -889,7 +886,7 @@ export function __setBuildAgentChatPrompt(mock: typeof buildAgentChatPromptFn):
 export function __resetChatState(): void {
   chatStreamManager.reset();
   rateLimits.clear();
-  buildAgentChatPromptFn = engineBuildAgentChatPrompt;
+  buildAgentChatPromptFn = "buildAgentChatPrompt" in engine ? engine.buildAgentChatPrompt : undefined;
 
   // Reset diagnostics logger to default
   __setChatDiagnostics(null);

packages/dashboard/src/milestone-slice-interview.ts

@@ -99,7 +99,7 @@ import { createFnAgent as engineCreateFnAgent } from "@fusion/engine";
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 type AgentResult = any;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+const createFnAgent: any = engineCreateFnAgent;
 
 function ensureEngineReady(): Promise<void> {
   return Promise.resolve();

packages/dashboard/src/mission-interview.ts

@@ -32,7 +32,7 @@ import { createFnAgent as engineCreateFnAgent } from "@fusion/engine";
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 type AgentResult = any;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+const createFnAgent: any = engineCreateFnAgent;
 
 /**
  * Shared diagnostics helper for the mission-interview module.

packages/dashboard/src/planning.ts

@@ -30,17 +30,12 @@ import {
   resetDiagnosticsSink,
   nonfatal,
 } from "./ai-session-diagnostics.js";
-import {
+import * as engine from "@fusion/engine";
-  createFnAgent as engineCreateFnAgent,
-  isNtfyEventEnabled as engineIsNtfyEventEnabled,
-  buildNtfyClickUrl as engineBuildNtfyClickUrl,
-  sendNtfyNotification as engineSendNtfyNotification,
-} from "@fusion/engine";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 type AgentResult = any;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+let createFnAgent: any = engine.createFnAgent;
 
 interface PlanningNtfyConfig {
   enabled: boolean;
@@ -63,11 +58,29 @@ interface PlanningNtfyHelpers {
   }) => Promise<void>;
 }
 
-let planningNtfyHelpers: PlanningNtfyHelpers | undefined = {
+function buildDefaultPlanningNtfyHelpers(): PlanningNtfyHelpers {
-  isNtfyEventEnabled: engineIsNtfyEventEnabled,
+  const isNtfyEventEnabled =
-  buildNtfyClickUrl: engineBuildNtfyClickUrl,
+    "isNtfyEventEnabled" in engine
-  sendNtfyNotification: engineSendNtfyNotification,
+      ? engine.isNtfyEventEnabled
-};
+      : (events: NtfyNotificationEvent[] | undefined, event: NtfyNotificationEvent) =>
+          Array.isArray(events) ? events.includes(event) : false;
+
+  const buildNtfyClickUrl = "buildNtfyClickUrl" in engine
+    ? engine.buildNtfyClickUrl
+    : () => undefined;
+
+  const sendNtfyNotification = "sendNtfyNotification" in engine
+    ? engine.sendNtfyNotification
+    : async () => {};
+
+  return {
+    isNtfyEventEnabled,
+    buildNtfyClickUrl,
+    sendNtfyNotification,
+  };
+}
+
+let planningNtfyHelpers: PlanningNtfyHelpers | undefined = buildDefaultPlanningNtfyHelpers();
 
 /**
  * Shared diagnostics helper for the planning module.
@@ -1693,11 +1706,7 @@ export function __resetPlanningState(): void {
   _aiSessionDeletedListener = undefined;
   _aiSessionStore = undefined;
 
-  planningNtfyHelpers = {
+  planningNtfyHelpers = buildDefaultPlanningNtfyHelpers();
-    isNtfyEventEnabled: engineIsNtfyEventEnabled,
-    buildNtfyClickUrl: engineBuildNtfyClickUrl,
-    sendNtfyNotification: engineSendNtfyNotification,
-  };
 
   // Reset diagnostics sink to default
   resetDiagnosticsSink();

packages/dashboard/src/subtask-breakdown.ts

@@ -12,7 +12,7 @@ import {
 import { createFnAgent as engineCreateFnAgent } from "@fusion/engine";
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-let createFnAgent: any = engineCreateFnAgent;
+const createFnAgent: any = engineCreateFnAgent;
 
 /**
  * Shared diagnostics helper for the subtask-breakdown module.

packages/engine/src/index.ts

@@ -22,9 +22,11 @@ export { createFnAgent, promptWithFallback, describeModel, setHostExtensionPaths
 // Register createFnAgent into core's loader so consumers in @fusion/core
 // (e.g. ai-summarize, memory-compaction) can resolve it without a circular
 // static import. Runs once at engine module load.
-import { setCreateFnAgent } from "@fusion/core";
+import * as core from "@fusion/core";
 import { createFnAgent as _createFnAgentForCore } from "./pi.js";
-setCreateFnAgent(_createFnAgentForCore);
+if ("setCreateFnAgent" in core) {
+  core.setCreateFnAgent?.(_createFnAgentForCore);
+}
 export {
   resolveSessionSkills,
   createSkillsOverrideFromSelection,