feat(FN-3593): add test isolation CI enforcement, fix stuck-requeue race, a

This merge lands five FN-3593 commits establishing a test isolation contract with a new `scripts/check-test-isolation.mjs` guard that scans for accidental `beforeEach`/`afterEach`/`beforeAll`/`afterAll` in setup helpers, plus per-package `setup-test-isolation.ts` bootstraps that canonicalize the pat

Fusion-Task-Id: FN-3593

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

@@ -197,6 +197,71 @@ describe("MessageComposer", () => {
     });
   });
 
+  it("forwards wakeRecipient metadata when the wake checkbox is ticked for an agent recipient", async () => {
+    render(<MessageComposer {...defaultProps} agents={mockAgents} />);
+    fireEvent.change(screen.getByTestId("message-composer-recipient"), {
+      target: { value: "agent-001" },
+    });
+    fireEvent.change(screen.getByTestId("message-composer-content"), {
+      target: { value: "wake up" },
+    });
+    fireEvent.click(screen.getByTestId("message-composer-wake"));
+    fireEvent.click(screen.getByTestId("message-composer-send"));
+
+    await waitFor(() => {
+      expect(mockSendMessage).toHaveBeenCalledWith(
+        expect.objectContaining({
+          metadata: { wakeRecipient: true },
+        }),
+        undefined,
+      );
+    });
+  });
+
+  it("merges wakeRecipient with replyTo metadata when replying", async () => {
+    render(
+      <MessageComposer
+        {...defaultProps}
+        agents={mockAgents}
+        recipient={{ id: "agent-001", type: "agent" }}
+        replyContext={{ messageId: "msg-orig", preview: "earlier message" }}
+      />,
+    );
+    fireEvent.change(screen.getByTestId("message-composer-content"), {
+      target: { value: "follow up" },
+    });
+    fireEvent.click(screen.getByTestId("message-composer-wake"));
+    fireEvent.click(screen.getByTestId("message-composer-send"));
+
+    await waitFor(() => {
+      expect(mockSendMessage).toHaveBeenCalledWith(
+        expect.objectContaining({
+          metadata: {
+            replyTo: { messageId: "msg-orig" },
+            wakeRecipient: true,
+          },
+        }),
+        undefined,
+      );
+    });
+  });
+
+  it("omits wakeRecipient metadata when the checkbox is left unchecked", async () => {
+    render(<MessageComposer {...defaultProps} agents={mockAgents} />);
+    fireEvent.change(screen.getByTestId("message-composer-recipient"), {
+      target: { value: "agent-001" },
+    });
+    fireEvent.change(screen.getByTestId("message-composer-content"), {
+      target: { value: "regular" },
+    });
+    fireEvent.click(screen.getByTestId("message-composer-send"));
+
+    await waitFor(() => {
+      const callArgs = mockSendMessage.mock.calls[0][0];
+      expect(callArgs.metadata).toBeUndefined();
+    });
+  });
+
   it("passes projectId to sendMessage", async () => {
     render(<MessageComposer {...defaultProps} agents={mockAgents} projectId="proj-1" />);
     fireEvent.change(screen.getByTestId("message-composer-recipient"), {

packages/dashboard/src/__tests__/setup-test-isolation.ts

@@ -1,20 +1,4 @@
 /**
- * Global test isolation: prevents dashboard tests from writing to the real ~/.fusion/ directory.
- *
- * This runs in every Vitest worker before shared setup. By forcing process.env.HOME
- * to a fresh temp directory, homedir()-derived paths resolve to isolated locations.
+ * Deprecated shim: canonical test isolation is in @fusion/core vitest-setup.
  */
-import { mkdtempSync } from "node:fs";
-import { tmpdir } from "node:os";
-import { join } from "node:path";
-
-const tempHome = mkdtempSync(join(tmpdir(), "fn-test-home-"));
-process.env.HOME = tempHome;
-process.env.USERPROFILE = tempHome;
-if (process.platform === "win32") {
-  const match = tempHome.match(/^([A-Za-z]:)(.*)$/);
-  if (match) {
-    process.env.HOMEDRIVE = match[1];
-    process.env.HOMEPATH = match[2] || "\\";
-  }
-}
+import "../../../core/src/__test-utils__/vitest-setup";

packages/dashboard/vitest.config.ts

@@ -51,7 +51,6 @@ export default defineConfig({
     globals: true,
     include: ["app/**/*.test.{ts,tsx}", "src/**/*.test.{ts,tsx}"],
     setupFiles: [
-      "./src/__tests__/setup-test-isolation.ts",
       resolve(__dirname, "../core/src/__test-utils__/vitest-setup.ts"),
       "./vitest.setup.ts",
     ],