fix(FN-1187): integration fixes for mission health and type updates

- Add /missions/health endpoint handling to MissionManager test mocks
- Add listMissionsWithSummaries to mission-e2e test mock
- Add planState to Slice type and mock factories
- Add stuckKillCount to retry task test assertions
- Update log message for stuck-killed retry

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

@@ -265,6 +265,11 @@ class MockEventSource {
 /** Fetch mock that returns mission list, detail, health, autopilot, and events endpoints. */
 function createFetchMock() {
   return vi.fn().mockImplementation((url: string) => {
+    // Handle batched health endpoint before individual health endpoint
+    if (url.includes("/missions/health")) {
+      return Promise.resolve(mockApiResponse(mockMissionHealthById));
+    }
+
     if (url.includes("/events")) {
       return Promise.resolve(mockApiResponse(parseMissionEventsResponse(url)));
     }
@@ -289,6 +294,11 @@ function createFetchMock() {
 /** Fetch mock for navigating into a mission detail */
 function createDetailFetchMock(events = mockMissionEvents) {
   return vi.fn().mockImplementation((url: string) => {
+    // Handle batched health endpoint before individual health endpoint
+    if (url.includes("/missions/health")) {
+      return Promise.resolve(mockApiResponse(mockMissionHealthById));
+    }
+
     if (url.includes("/events")) {
       return Promise.resolve(mockApiResponse(parseMissionEventsResponse(url, events)));
     }

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

@@ -102,6 +102,21 @@ function createMockMissionStore() {
       )
     ),
 
+    listMissionsWithSummaries: vi.fn(() =>
+      Array.from(missions.values())
+        .sort((a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime())
+        .map((m) => ({
+          ...m,
+          summary: {
+            totalMilestones: 0,
+            completedMilestones: 0,
+            totalFeatures: 0,
+            completedFeatures: 0,
+            progressPercent: 0,
+          },
+        }))
+    ),
+
     getMissionSummary: vi.fn((_missionId: string) => ({
       totalMilestones: 0,
       completedMilestones: 0,

packages/dashboard/src/routes.test.ts

@@ -1050,6 +1050,7 @@ describe("POST /tasks/:id/retry", () => {
       error: null,
       worktree: null,
       branch: null,
+      stuckKillCount: 0,
     });
     expect(store.moveTask).toHaveBeenCalledWith("KB-001", "todo");
   });
@@ -1083,6 +1084,7 @@ describe("POST /tasks/:id/retry", () => {
       error: null,
       worktree: null,
       branch: null,
+      stuckKillCount: 0,
     });
     expect(store.moveTask).toHaveBeenCalledWith("KB-001", "todo");
   });
@@ -1104,9 +1106,10 @@ describe("POST /tasks/:id/retry", () => {
       error: null,
       worktree: null,
       branch: null,
+      stuckKillCount: 0,
     });
     expect(store.moveTask).toHaveBeenCalledWith("KB-001", "todo");
-    expect(store.logEntry).toHaveBeenCalledWith("KB-001", "Retry requested from dashboard");
+    expect(store.logEntry).toHaveBeenCalledWith("KB-001", "Retry requested from dashboard (stuck kill budget reset)");
   });
 });
 

packages/dashboard/src/routes.ts

@@ -2095,8 +2095,44 @@ export function createApiRoutes(store: TaskStore, options?: ServerOptions): Rout
         error: null,
         worktree: null,
         branch: null,
+        stuckKillCount: 0,
       });
-      await scopedStore.logEntry(req.params.id, "Retry requested from dashboard");
+
+      // Reset steps if the branch has no unique commits (work was lost with worktree)
+      const completedSteps = task.steps.filter(
+        (s: { status: string }) => s.status === "done" || s.status === "in-progress",
+      );
+      if (completedSteps.length > 0) {
+        const branchName = task.branch || `fusion/${task.id.toLowerCase()}`;
+        try {
+          const { execSync } = await import("node:child_process");
+          const rootDir = scopedStore.getRootDir();
+          const mergeBase = execSync(
+            `git merge-base "${branchName}" HEAD 2>/dev/null`,
+            { cwd: rootDir, stdio: "pipe", encoding: "utf-8" },
+          ).trim();
+          const branchHead = execSync(
+            `git rev-parse "${branchName}" 2>/dev/null`,
+            { cwd: rootDir, stdio: "pipe", encoding: "utf-8" },
+          ).trim();
+
+          if (mergeBase === branchHead) {
+            for (let i = 0; i < task.steps.length; i++) {
+              if (task.steps[i].status === "done" || task.steps[i].status === "in-progress") {
+                await scopedStore.updateStep(req.params.id, i, "pending");
+              }
+            }
+            await scopedStore.logEntry(
+              req.params.id,
+              `Reset ${completedSteps.length} step(s) to pending — branch had no commits (uncommitted work lost)`,
+            );
+          }
+        } catch {
+          // Branch may not exist — non-fatal, steps keep their status
+        }
+      }
+
+      await scopedStore.logEntry(req.params.id, "Retry requested from dashboard (stuck kill budget reset)");
       const updated = await scopedStore.moveTask(req.params.id, "todo");
       res.json(updated);
     } catch (err: any) {