feat(FN-3954): restore scoped mission interview persistence and resume

Scoped mission interview persistence is restored, enabling resume functionality within mission interview flows, with corresponding test coverage and documentation. The implementation touches MissionManager, mission-interview routing, and plugin view registration, with the bulk of changes in tests an

Fusion-Task-Id: FN-3954

packages/dashboard/app/components/MissionManager.tsx

@@ -596,9 +596,15 @@ export function MissionManager({ isOpen, isInline = false, onClose, addToast, pr
     let cancelled = false;
     fetchAiSessions(projectId).then((sessions) => {
       if (cancelled) return;
-      const pending = sessions.filter(
+      const pending = sessions.filter((s) => {
-        (s) => s.type === "mission_interview" && missionInterviewListStatuses.has(s.status),
+        if (s.type !== "mission_interview" || !missionInterviewListStatuses.has(s.status)) {
-      );
+          return false;
+        }
+        if (projectId) {
+          return s.projectId === projectId;
+        }
+        return s.projectId == null;
+      });
       setPendingInterviewSessions(pending);
     }).catch((err) => {
       console.warn("[MissionManager] Failed to fetch pending interview sessions:", err);

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

@@ -1732,6 +1732,55 @@ describe("MissionManager", () => {
     });
   });
 
+  it("only shows in-progress interview sessions scoped to the active project", async () => {
+    mockFetchAiSessions.mockResolvedValueOnce([
+      {
+        id: "session-project-a",
+        type: "mission_interview",
+        status: "awaiting_input",
+        title: "Project A Interview",
+        projectId: "project-a",
+        lockedByTab: null,
+        updatedAt: "2026-01-03T00:00:00.000Z",
+      },
+      {
+        id: "session-project-b",
+        type: "mission_interview",
+        status: "awaiting_input",
+        title: "Project B Interview",
+        projectId: "project-b",
+        lockedByTab: null,
+        updatedAt: "2026-01-04T00:00:00.000Z",
+      },
+      {
+        id: "session-unscoped",
+        type: "mission_interview",
+        status: "awaiting_input",
+        title: "Unscoped Interview",
+        projectId: null,
+        lockedByTab: null,
+        updatedAt: "2026-01-05T00:00:00.000Z",
+      },
+    ]);
+    globalThis.fetch = createFetchMock();
+
+    render(
+      <MissionManager
+        isOpen={true}
+        onClose={vi.fn()}
+        addToast={vi.fn()}
+        projectId="project-a"
+      />,
+    );
+
+    await waitFor(() => {
+      expect(screen.getByText("Project A Interview")).toBeInTheDocument();
+    });
+
+    expect(screen.queryByText("Project B Interview")).not.toBeInTheDocument();
+    expect(screen.queryByText("Unscoped Interview")).not.toBeInTheDocument();
+    expect(mockFetchAiSessions).toHaveBeenCalledWith("project-a");
+  });
   it("exposes retry action for errored interview sessions from the mission list", async () => {
     mockFetchAiSessions.mockResolvedValueOnce([
       {

packages/dashboard/src/__tests__/mission-e2e.test.ts

@@ -2752,6 +2752,7 @@ describe("Mission API", () => {
         { "mission-interview-system": "Scoped mission interview prompt" },
         undefined,
         undefined,
+        projectId,
       );
     });
 
@@ -2839,6 +2840,7 @@ describe("Mission API", () => {
         {},
         undefined,
         undefined,
+        null,
       );
     });
 
@@ -2914,6 +2916,7 @@ describe("Mission API", () => {
         {},
         "zai",
         "glm-5.1",
+        projectId,
       );
     });
 
@@ -2954,6 +2957,7 @@ describe("Mission API", () => {
         {},
         "anthropic",
         "claude-sonnet-4-5",
+        projectId,
       );
     });
 
@@ -2997,6 +3001,7 @@ describe("Mission API", () => {
         {},
         "openai",
         "gpt-4o",
+        projectId,
       );
     });
 
@@ -3033,6 +3038,7 @@ describe("Mission API", () => {
         {},
         undefined,
         undefined,
+        projectId,
       );
     });
   });

packages/dashboard/src/__tests__/session-persistence-roundtrip.test.ts

@@ -288,13 +288,22 @@ describe("session persistence round-trip", () => {
       ]),
     );
 
-    const sessionId = await createMissionInterviewSession("127.0.0.44", "Mission persistence", "/tmp/project");
+    const sessionId = await createMissionInterviewSession(
+      "127.0.0.44",
+      "Mission persistence",
+      "/tmp/project",
+      undefined,
+      undefined,
+      undefined,
+      "project-mission",
+    );
     await waitFor(() => Boolean(getMissionInterviewSession(sessionId)?.currentQuestion));
 
     await submitMissionInterviewResponse(sessionId, { "q-m-1": "A mission" }, "/tmp/project");
 
     const persisted = aiSessionStore.get(sessionId);
     expect(persisted?.status).toBe("complete");
+    expect(persisted?.projectId).toBe("project-mission");
 
     const history = JSON.parse(persisted?.conversationHistory ?? "[]") as Array<{ question: { id: string } }>;
     expect(history).toHaveLength(1);

packages/dashboard/src/__tests__/session-resume-history.test.ts

@@ -182,7 +182,7 @@ describe("session resume + history restore", () => {
       result: null,
       thinkingOutput: "mission-latest-thinking",
       error: null,
-      projectId: null,
+      projectId: "project-resume",
       createdAt: now,
       updatedAt: now,
       lockedByTab: null,
@@ -203,6 +203,7 @@ describe("session resume + history restore", () => {
     const restored = getMissionInterviewSession(row.id);
     expect(restored).toBeDefined();
     expect(restored?.history).toHaveLength(1);
+    expect(restored?.projectId).toBe("project-resume");
     expect(restored?.history[0]?.thinkingOutput).toBe("mission-turn-1-thinking");
     expect(restored?.thinkingOutput).toBe("mission-latest-thinking");
     expect(restored?.lastGeneratedThinking).toBe("mission-latest-thinking");

packages/dashboard/src/mission-interview.ts

@@ -222,6 +222,7 @@ interface MissionInterviewHistoryEntry {
 interface MissionInterviewSession {
   id: string;
   ip: string;
+  projectId: string | null;
   missionId: string;
   missionTitle: string;
   history: MissionInterviewHistoryEntry[];
@@ -315,6 +316,7 @@ function persistMissionSession(session: MissionInterviewSession, status: "genera
     title: session.missionTitle.slice(0, 120),
     inputPayload: JSON.stringify({
       ip: session.ip,
+      projectId: session.projectId,
       missionTitle: session.missionTitle,
       missionId: session.missionId,
       modelProvider: session.modelProvider,
@@ -325,7 +327,7 @@ function persistMissionSession(session: MissionInterviewSession, status: "genera
     result: session.summary ? JSON.stringify(session.summary) : null,
     thinkingOutput: session.thinkingOutput,
     error: error ?? null,
-    projectId: null,
+    projectId: session.projectId,
     createdAt: session.createdAt.toISOString(),
     updatedAt: new Date().toISOString(),
     lockedByTab: null,
@@ -345,7 +347,7 @@ function unpersistMissionSession(sessionId: string): void {
 }
 
 function buildMissionInterviewSessionFromRow(row: AiSessionRow): MissionInterviewSession {
-  const payload = safeParseJson<{ ip?: string; missionId?: string; missionTitle?: string; modelProvider?: string; modelId?: string }>(
+  const payload = safeParseJson<{ ip?: string; projectId?: string | null; missionId?: string; missionTitle?: string; modelProvider?: string; modelId?: string }>(
     row.inputPayload,
     {},
     { throwOnError: true, fieldName: "inputPayload" },
@@ -361,6 +363,7 @@ function buildMissionInterviewSessionFromRow(row: AiSessionRow): MissionIntervie
   return {
     id: row.id,
     ip: payload.ip ?? "",
+    projectId: row.projectId ?? payload.projectId ?? null,
     missionId: payload.missionId ?? "",
     missionTitle: payload.missionTitle ?? row.title,
     history: safeParseJson<MissionInterviewHistoryEntry[]>(
@@ -1095,6 +1098,7 @@ export async function createMissionInterviewSession(
   promptOverrides?: PromptOverrideMap,
   modelProvider?: string,
   modelId?: string,
+  projectId?: string | null,
 ): Promise<string> {
   if (!checkRateLimit(ip)) {
     const resetTime = getRateLimitResetTime(ip);
@@ -1109,6 +1113,7 @@ export async function createMissionInterviewSession(
   const session: MissionInterviewSession = {
     id: sessionId,
     ip,
+    projectId: projectId ?? null,
     missionId: "",
     missionTitle,
     history: [],
@@ -1292,6 +1297,7 @@ export function __registerMissionInterviewSessionForTest(sessionId: string, miss
   sessions.set(sessionId, {
     id: sessionId,
     ip: "127.0.0.1",
+    projectId: null,
     missionId: "",
     missionTitle,
     history: [],

packages/dashboard/src/mission-routes.ts

@@ -406,7 +406,7 @@ export function createMissionRouter(
 
       try {
         const ip = req.ip || req.socket.remoteAddress || "unknown";
-        const { store: scopedStore } = await getProjectContext(req);
+        const { store: scopedStore, projectId } = await getProjectContext(req);
         const rootDir = scopedStore.getRootDir();
         const settings = await scopedStore.getSettings();
 
@@ -425,6 +425,7 @@ export function createMissionRouter(
           settings.promptOverrides,
           resolvedProvider,
           resolvedModelId,
+          projectId ?? null,
         );
         res.status(201).json({ sessionId });
       } catch (err: unknown) {