diff --git a/packages/dashboard/src/__tests__/auth-middleware-integration.test.ts b/packages/dashboard/src/__tests__/auth-middleware-integration.test.ts
index e3845f2546..ead478da75 100644
--- a/packages/dashboard/src/__tests__/auth-middleware-integration.test.ts
+++ b/packages/dashboard/src/__tests__/auth-middleware-integration.test.ts
@@ -16,7 +16,7 @@ const mockClose = vi.fn().mockResolvedValue(undefined);
 vi.mock("@fusion/core", async (importOriginal) => {
   const { createCoreMock } = await import("../test/mockCoreEngine.js");
   return createCoreMock(() => importOriginal<typeof import("@fusion/core")>(), {
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       getLocalNode: vi.fn().mockResolvedValue({
@@ -40,7 +40,7 @@ vi.mock("@fusion/core", async (importOriginal) => {
         },
       ]),
       updateNode: vi.fn().mockResolvedValue(undefined),
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/browse-directory-routes.test.ts b/packages/dashboard/src/__tests__/browse-directory-routes.test.ts
index ab54963000..d74fcbe858 100644
--- a/packages/dashboard/src/__tests__/browse-directory-routes.test.ts
+++ b/packages/dashboard/src/__tests__/browse-directory-routes.test.ts
@@ -29,12 +29,12 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       listNodes: mockListNodes,
       getNode: mockGetNode,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/chat.test.ts b/packages/dashboard/src/__tests__/chat.test.ts
index e4b205d143..620c436caa 100644
--- a/packages/dashboard/src/__tests__/chat.test.ts
+++ b/packages/dashboard/src/__tests__/chat.test.ts
@@ -33,7 +33,8 @@ vi.mock("@fusion/core", () => ({
 
 describe("resolveFileReferences", () => {
   beforeEach(() => {
-    vi.clearAllMocks();
+    mockReadFile.mockReset();
+    mockStat.mockReset();
   });
 
   afterEach(() => {
diff --git a/packages/dashboard/src/__tests__/discovery-routes.test.ts b/packages/dashboard/src/__tests__/discovery-routes.test.ts
index c84c76c508..11d8721926 100644
--- a/packages/dashboard/src/__tests__/discovery-routes.test.ts
+++ b/packages/dashboard/src/__tests__/discovery-routes.test.ts
@@ -18,7 +18,7 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       isDiscoveryActive: mockIsDiscoveryActive,
@@ -28,7 +28,7 @@ vi.mock("@fusion/core", async () => {
       getDiscoveredNodes: mockGetDiscoveredNodes,
       registerNode: mockRegisterNode,
       checkNodeHealth: mockCheckNodeHealth,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/docker-node-routes.test.ts b/packages/dashboard/src/__tests__/docker-node-routes.test.ts
index c415264b64..55db0298d4 100644
--- a/packages/dashboard/src/__tests__/docker-node-routes.test.ts
+++ b/packages/dashboard/src/__tests__/docker-node-routes.test.ts
@@ -18,13 +18,13 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mocks.mockInit,
       close: mocks.mockClose,
       getNode: mocks.mockGetNode,
       updateNode: mocks.mockUpdateNode,
       registerNode: mocks.mockRegisterNode,
-    })),
+    }; }),
     validateDockerNodeConfig: mocks.mockValidateDockerNodeConfig,
     sanitizeDockerNodeConfigForResponse: mocks.mockSanitizeDockerNodeConfigForResponse,
   };
diff --git a/packages/dashboard/src/__tests__/experiment-routes.finalize.test.ts b/packages/dashboard/src/__tests__/experiment-routes.finalize.test.ts
index e0cef91c30..534a8ba711 100644
--- a/packages/dashboard/src/__tests__/experiment-routes.finalize.test.ts
+++ b/packages/dashboard/src/__tests__/experiment-routes.finalize.test.ts
@@ -23,7 +23,7 @@ const mockErrors = vi.hoisted(() => ({
 vi.mock("@fusion/engine", () => ({
   listCliAdapterDescriptors: () => [],
   defaultGitOps: vi.fn(() => ({})),
-  ExperimentFinalizeService: vi.fn(() => ({ previewPlan: previewPlanMock, finalize: finalizeMock })),
+  ExperimentFinalizeService: vi.fn(function () { return { previewPlan: previewPlanMock, finalize: finalizeMock }; }),
   ExperimentFinalizeStateError: mockErrors.StateError,
   ExperimentFinalizeNoKeptRunsError: mockErrors.NoKeptError,
   ExperimentFinalizePlanError: mockErrors.PlanError,
diff --git a/packages/dashboard/src/__tests__/github-issue-comment.test.ts b/packages/dashboard/src/__tests__/github-issue-comment.test.ts
index df198c371e..8c3793e78a 100644
--- a/packages/dashboard/src/__tests__/github-issue-comment.test.ts
+++ b/packages/dashboard/src/__tests__/github-issue-comment.test.ts
@@ -8,9 +8,9 @@ const { mockCommentOnIssue } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     commentOnIssue: (...args: unknown[]) => mockCommentOnIssue(...args),
-  })),
+  }; }),
 }));
 
 class MockStore extends EventEmitter {
diff --git a/packages/dashboard/src/__tests__/github-poll.test.ts b/packages/dashboard/src/__tests__/github-poll.test.ts
index 8425b47b7f..0d3acef32f 100644
--- a/packages/dashboard/src/__tests__/github-poll.test.ts
+++ b/packages/dashboard/src/__tests__/github-poll.test.ts
@@ -8,9 +8,9 @@ const { mockGetBadgeStatusesBatch } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     getBadgeStatusesBatch: (...args: any[]) => mockGetBadgeStatusesBatch(...args),
-  })),
+  }; }),
 }));
 
 describe("GitHubRateLimiter", () => {
diff --git a/packages/dashboard/src/__tests__/github-source-issue-close.test.ts b/packages/dashboard/src/__tests__/github-source-issue-close.test.ts
index 9f9fd424ba..dbaa772b78 100644
--- a/packages/dashboard/src/__tests__/github-source-issue-close.test.ts
+++ b/packages/dashboard/src/__tests__/github-source-issue-close.test.ts
@@ -13,10 +13,10 @@ const { mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-source-issue-reconciler.test.ts b/packages/dashboard/src/__tests__/github-source-issue-reconciler.test.ts
index 74cb0b0079..7f9d6c7e8a 100644
--- a/packages/dashboard/src/__tests__/github-source-issue-reconciler.test.ts
+++ b/packages/dashboard/src/__tests__/github-source-issue-reconciler.test.ts
@@ -12,10 +12,10 @@ const { mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-comments.test.ts b/packages/dashboard/src/__tests__/github-tracking-comments.test.ts
index 1a06619db1..4fd570070e 100644
--- a/packages/dashboard/src/__tests__/github-tracking-comments.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-comments.test.ts
@@ -15,9 +15,9 @@ const { mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     commentOnIssue: (...args: unknown[]) => mockCommentOnIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-delete.test.ts b/packages/dashboard/src/__tests__/github-tracking-delete.test.ts
index 363ac32836..be37b6f186 100644
--- a/packages/dashboard/src/__tests__/github-tracking-delete.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-delete.test.ts
@@ -22,10 +22,10 @@ const { mockSetIssueState, mockGetIssue, mockResolveGithubTrackingAuth } = vi.ho
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-hook.test.ts b/packages/dashboard/src/__tests__/github-tracking-hook.test.ts
index fb2eee5759..c2cee6abe3 100644
--- a/packages/dashboard/src/__tests__/github-tracking-hook.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-hook.test.ts
@@ -11,9 +11,9 @@ const { mockCreateIssue, mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     createIssue: (...args: unknown[]) => mockCreateIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-periodic-reconcile-sweep.test.ts b/packages/dashboard/src/__tests__/github-tracking-periodic-reconcile-sweep.test.ts
index cea5695d49..68d4c18804 100644
--- a/packages/dashboard/src/__tests__/github-tracking-periodic-reconcile-sweep.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-periodic-reconcile-sweep.test.ts
@@ -10,24 +10,24 @@ const reconcileSourceIssues = vi.fn().mockResolvedValue({ scanned: 0, closed: 0,
 
 vi.mock("../github-tracking-reconciler.js", () => ({
   RECONCILE_SCAN_LIMIT: 200,
-  GitHubTrackingReconciler: vi.fn().mockImplementation(() => ({
+  GitHubTrackingReconciler: vi.fn().mockImplementation(function () { return {
     reconcile,
     reconcileDeletedAndArchived,
     reconcileSourceIssues,
-  })),
+  }; }),
 }));
 
 vi.mock("../github-issue-comment.js", () => ({
-  GitHubIssueCommentService: vi.fn().mockImplementation(() => ({ start: vi.fn(), stop: vi.fn() })),
+  GitHubIssueCommentService: vi.fn().mockImplementation(function () { return { start: vi.fn(), stop: vi.fn() }; }),
 }));
 vi.mock("../github-tracking-comments.js", () => ({
-  GitHubTrackingCommentService: vi.fn().mockImplementation(() => ({ start: vi.fn(), stop: vi.fn() })),
+  GitHubTrackingCommentService: vi.fn().mockImplementation(function () { return { start: vi.fn(), stop: vi.fn() }; }),
 }));
 vi.mock("../github-source-issue-close.js", () => ({
-  GitHubSourceIssueCloseService: vi.fn().mockImplementation(() => ({ start: vi.fn(), stop: vi.fn(), attach: vi.fn(), detach: vi.fn() })),
+  GitHubSourceIssueCloseService: vi.fn().mockImplementation(function () { return { start: vi.fn(), stop: vi.fn(), attach: vi.fn(), detach: vi.fn() }; }),
 }));
 vi.mock("../github-tracking-state.js", () => ({
-  GitHubTrackingStateService: vi.fn().mockImplementation(() => ({ start: vi.fn(), stop: vi.fn(), attach: vi.fn(), detach: vi.fn() })),
+  GitHubTrackingStateService: vi.fn().mockImplementation(function () { return { start: vi.fn(), stop: vi.fn(), attach: vi.fn(), detach: vi.fn() }; }),
 }));
 
 function createStore(): TaskStore {
diff --git a/packages/dashboard/src/__tests__/github-tracking-reconciler.test.ts b/packages/dashboard/src/__tests__/github-tracking-reconciler.test.ts
index 3f3281523d..2d2b5edf08 100644
--- a/packages/dashboard/src/__tests__/github-tracking-reconciler.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-reconciler.test.ts
@@ -12,10 +12,10 @@ const { mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-state.test.ts b/packages/dashboard/src/__tests__/github-tracking-state.test.ts
index 8a6e24bc83..431d70290d 100644
--- a/packages/dashboard/src/__tests__/github-tracking-state.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-state.test.ts
@@ -14,11 +14,11 @@ const { mockResolveGithubTrackingAuth } = vi.hoisted(() => ({
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
     deleteIssue: (...args: unknown[]) => mockDeleteIssue(...args),
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking-unlink.test.ts b/packages/dashboard/src/__tests__/github-tracking-unlink.test.ts
index 48b4cbd008..91617a43b9 100644
--- a/packages/dashboard/src/__tests__/github-tracking-unlink.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking-unlink.test.ts
@@ -15,11 +15,11 @@ const { mockCommentOnIssue, mockSetIssueState, mockGetIssue, mockResolveGithubTr
 }));
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     commentOnIssue: (...args: unknown[]) => mockCommentOnIssue(...args),
     setIssueState: (...args: unknown[]) => mockSetIssueState(...args),
     getIssue: (...args: unknown[]) => mockGetIssue(...args),
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/github-tracking.test.ts b/packages/dashboard/src/__tests__/github-tracking.test.ts
index 3cb09ac06b..bec42bcd84 100644
--- a/packages/dashboard/src/__tests__/github-tracking.test.ts
+++ b/packages/dashboard/src/__tests__/github-tracking.test.ts
@@ -15,10 +15,10 @@ vi.mock("@fusion/core", async () => {
 });
 
 vi.mock("../github.js", () => ({
-  GitHubClient: vi.fn().mockImplementation(() => ({
+  GitHubClient: vi.fn().mockImplementation(function () { return {
     createIssue: createIssueMock,
     searchIssues: searchIssuesMock,
-  })),
+  }; }),
 }));
 
 vi.mock("../github-auth.js", () => ({
diff --git a/packages/dashboard/src/__tests__/mesh-routes.test.ts b/packages/dashboard/src/__tests__/mesh-routes.test.ts
index 43a2dd87b6..8a2b69988f 100644
--- a/packages/dashboard/src/__tests__/mesh-routes.test.ts
+++ b/packages/dashboard/src/__tests__/mesh-routes.test.ts
@@ -42,7 +42,7 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       mergePeers: mockMergePeers,
@@ -55,7 +55,7 @@ vi.mock("@fusion/core", async () => {
       getLocalMeshSnapshot: mockGetLocalMeshSnapshot,
       getSettingsForSync: mockGetSettingsForSync,
       applyRemoteSettings: mockApplyRemoteSettings,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/node-routes.test.ts b/packages/dashboard/src/__tests__/node-routes.test.ts
index 71895f2810..228db98739 100644
--- a/packages/dashboard/src/__tests__/node-routes.test.ts
+++ b/packages/dashboard/src/__tests__/node-routes.test.ts
@@ -26,7 +26,7 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       listNodes: mockListNodes,
@@ -53,7 +53,7 @@ vi.mock("@fusion/core", async () => {
       syncPlugins: mockSyncPlugins,
       checkVersionCompatibility: mockCheckVersionCompatibility,
       listProjectNodePathMappingsForNode: mockListProjectNodePathMappingsForNode,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/pi-extensions-routes.test.ts b/packages/dashboard/src/__tests__/pi-extensions-routes.test.ts
index fe4dbac437..34ce14642d 100644
--- a/packages/dashboard/src/__tests__/pi-extensions-routes.test.ts
+++ b/packages/dashboard/src/__tests__/pi-extensions-routes.test.ts
@@ -27,7 +27,7 @@ vi.mock("@earendil-works/pi-coding-agent", () => ({
     create: vi.fn(() => mockSettingsManager),
   },
   getAgentDir: vi.fn(() => "/fake/agent/dir"),
-  DefaultPackageManager: vi.fn().mockImplementation(() => mockPackageManager),
+  DefaultPackageManager: vi.fn().mockImplementation(function () { return mockPackageManager; }),
 }));
 
 // Minimal store implementation for the test server
@@ -273,10 +273,10 @@ describe("Pi settings routes", () => {
 
     it("returns 500 when install throws", async () => {
       const { DefaultPackageManager } = await import("@earendil-works/pi-coding-agent");
-      vi.mocked(DefaultPackageManager).mockImplementationOnce(() => ({
+      vi.mocked(DefaultPackageManager).mockImplementationOnce(function () { return {
         install: vi.fn().mockRejectedValue(new Error("Install failed")),
         addSourceToSettings: vi.fn().mockReturnValue(true),
-      }));
+      }; });
 
       const res = await request(app, "POST", "/api/pi-settings/packages",
         JSON.stringify({ source: "npm:failing-package" }),
@@ -288,10 +288,10 @@ describe("Pi settings routes", () => {
 
     it("returns success when addSourceToSettings returns false (already configured)", async () => {
       const { DefaultPackageManager } = await import("@earendil-works/pi-coding-agent");
-      vi.mocked(DefaultPackageManager).mockImplementationOnce(() => ({
+      vi.mocked(DefaultPackageManager).mockImplementationOnce(function () { return {
         install: vi.fn().mockResolvedValue(undefined),
         addSourceToSettings: vi.fn().mockReturnValue(false),
-      }));
+      }; });
 
       const res = await request(app, "POST", "/api/pi-settings/packages",
         JSON.stringify({ source: "npm:already-configured" }),
diff --git a/packages/dashboard/src/__tests__/plugin-routes.routes.test.ts b/packages/dashboard/src/__tests__/plugin-routes.routes.test.ts
index 149f19bf1a..03b70a5ac0 100644
--- a/packages/dashboard/src/__tests__/plugin-routes.routes.test.ts
+++ b/packages/dashboard/src/__tests__/plugin-routes.routes.test.ts
@@ -19,10 +19,10 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/plugin-routes.test.ts b/packages/dashboard/src/__tests__/plugin-routes.test.ts
index 8a74f0b5f3..ede05ee893 100644
--- a/packages/dashboard/src/__tests__/plugin-routes.test.ts
+++ b/packages/dashboard/src/__tests__/plugin-routes.test.ts
@@ -34,10 +34,10 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/project-pause-resume-routes.test.ts b/packages/dashboard/src/__tests__/project-pause-resume-routes.test.ts
index bdfd1257b9..34bfd20531 100644
--- a/packages/dashboard/src/__tests__/project-pause-resume-routes.test.ts
+++ b/packages/dashboard/src/__tests__/project-pause-resume-routes.test.ts
@@ -20,7 +20,7 @@ vi.mock("@fusion/core", async () => {
   return {
     ...actual,
     isGhAuthenticated: vi.fn(),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
@@ -28,7 +28,7 @@ vi.mock("@fusion/core", async () => {
       getProject: mockCentralGetProject,
       updateProject: mockCentralUpdateProject,
       updateProjectHealth: mockCentralUpdateProjectHealth,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/project-routes.test.ts b/packages/dashboard/src/__tests__/project-routes.test.ts
index 7b959e17f6..3d93922ec5 100644
--- a/packages/dashboard/src/__tests__/project-routes.test.ts
+++ b/packages/dashboard/src/__tests__/project-routes.test.ts
@@ -146,7 +146,7 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       listProjects: mockListProjects,
@@ -166,7 +166,7 @@ vi.mock("@fusion/core", async () => {
       getProjectNodePathMapping: mockGetProjectNodePathMapping,
       upsertProjectNodePathMapping: mockUpsertProjectNodePathMapping,
       removeProjectNodePathMapping: mockRemoveProjectNodePathMapping,
-    })),
+    }; }),
     ensureMemoryFileWithBackend: mockEnsureMemoryFileWithBackend,
     readProjectIdentity: mockReadProjectIdentity,
     writeProjectIdentity: mockWriteProjectIdentity,
diff --git a/packages/dashboard/src/__tests__/routes-agents.test.ts b/packages/dashboard/src/__tests__/routes-agents.test.ts
index 81bce18a3b..318a300eef 100644
--- a/packages/dashboard/src/__tests__/routes-agents.test.ts
+++ b/packages/dashboard/src/__tests__/routes-agents.test.ts
@@ -101,12 +101,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-auth.test.ts b/packages/dashboard/src/__tests__/routes-auth.test.ts
index b8b19959a5..efb3025ea1 100644
--- a/packages/dashboard/src/__tests__/routes-auth.test.ts
+++ b/packages/dashboard/src/__tests__/routes-auth.test.ts
@@ -120,12 +120,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
@@ -1177,6 +1177,7 @@ describe("Droid CLI auth routes", () => {
 
   it("POST /auth/cursor-cli disables without probing binary", async () => {
     const probeSpy = vi.spyOn(runtimeProviderProbesModule, "probeCursorCliProvider");
+    probeSpy.mockClear();
     store.updateGlobalSettings = vi.fn().mockResolvedValue({ useCursorCli: false });
 
     const res = await REQUEST(buildApp(), "POST", "/api/auth/cursor-cli", JSON.stringify({ enabled: false }), {
@@ -3757,6 +3758,7 @@ describe("llama.cpp auth routes", () => {
 
   it("disabling works without probing the server", async () => {
     const probeSpy = vi.spyOn(llamaCppProbeModule, "probeLlamaCpp");
+    probeSpy.mockClear();
 
     const res = await REQUEST(buildApp(), "POST", "/api/auth/llama-cpp", JSON.stringify({ enabled: false }), {
       "content-type": "application/json",
diff --git a/packages/dashboard/src/__tests__/routes-automation.test.ts b/packages/dashboard/src/__tests__/routes-automation.test.ts
index 1bb8bb94c9..20ddf6c9a4 100644
--- a/packages/dashboard/src/__tests__/routes-automation.test.ts
+++ b/packages/dashboard/src/__tests__/routes-automation.test.ts
@@ -99,12 +99,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-git.test.ts b/packages/dashboard/src/__tests__/routes-git.test.ts
index d643a856f9..d05acf901a 100644
--- a/packages/dashboard/src/__tests__/routes-git.test.ts
+++ b/packages/dashboard/src/__tests__/routes-git.test.ts
@@ -100,12 +100,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-github.test.ts b/packages/dashboard/src/__tests__/routes-github.test.ts
index 9ad6ad5189..49c0db9635 100644
--- a/packages/dashboard/src/__tests__/routes-github.test.ts
+++ b/packages/dashboard/src/__tests__/routes-github.test.ts
@@ -99,12 +99,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-planning-tracking.test.ts b/packages/dashboard/src/__tests__/routes-planning-tracking.test.ts
index d5d6855f2a..44b2fcbdb4 100644
--- a/packages/dashboard/src/__tests__/routes-planning-tracking.test.ts
+++ b/packages/dashboard/src/__tests__/routes-planning-tracking.test.ts
@@ -170,6 +170,7 @@ describe("planning routes github tracking background dispatch", () => {
     });
 
     createIssueSpy = vi.spyOn(GitHubClient.prototype, "createIssue");
+    createIssueSpy.mockReset();
   });
 
   afterEach(() => {
diff --git a/packages/dashboard/src/__tests__/routes-planning.test.ts b/packages/dashboard/src/__tests__/routes-planning.test.ts
index 2e0d494c13..8ff8c55b39 100644
--- a/packages/dashboard/src/__tests__/routes-planning.test.ts
+++ b/packages/dashboard/src/__tests__/routes-planning.test.ts
@@ -105,12 +105,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-proxy.test.ts b/packages/dashboard/src/__tests__/routes-proxy.test.ts
index 368ce46b0e..d54c6e28ef 100644
--- a/packages/dashboard/src/__tests__/routes-proxy.test.ts
+++ b/packages/dashboard/src/__tests__/routes-proxy.test.ts
@@ -13,11 +13,11 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockInit,
       close: mockClose,
       getNode: mockGetNode,
-    })),
+    }; }),
   };
 });
 
@@ -114,11 +114,11 @@ describe("Node proxy routes", () => {
       const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
       return {
         ...actual,
-        CentralCore: vi.fn().mockImplementation(() => ({
+        CentralCore: vi.fn().mockImplementation(function () { return {
           init: mockInit,
           close: mockClose,
           getNode: mockGetNode,
-        })),
+        }; }),
       };
     });
   });
diff --git a/packages/dashboard/src/__tests__/routes-settings.test.ts b/packages/dashboard/src/__tests__/routes-settings.test.ts
index ec6a4757d7..2d4c4a1df8 100644
--- a/packages/dashboard/src/__tests__/routes-settings.test.ts
+++ b/packages/dashboard/src/__tests__/routes-settings.test.ts
@@ -100,12 +100,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-system.test.ts b/packages/dashboard/src/__tests__/routes-system.test.ts
index 512181ad76..3ec4776ed6 100644
--- a/packages/dashboard/src/__tests__/routes-system.test.ts
+++ b/packages/dashboard/src/__tests__/routes-system.test.ts
@@ -108,12 +108,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
@@ -529,6 +529,8 @@ describe("GET /api/system-stats", () => {
     );
     const initSpy = vi.spyOn(AgentStore.prototype, "init").mockResolvedValue(undefined);
     const listAgentsSpy = vi.spyOn(AgentStore.prototype, "listAgents").mockResolvedValue([]);
+    initSpy.mockClear();
+    listAgentsSpy.mockClear();
 
     const res = await GET(buildApp(defaultStore), `/api/system-stats?projectId=${projectId}`);
 
@@ -710,6 +712,7 @@ describe("routes/context project scoping helpers", () => {
     const store = createMockStore();
     const req = { query: {}, body: {} } as unknown as express.Request;
     const getOrCreateSpy = vi.spyOn(projectStoreResolver, "getOrCreateProjectStore");
+    getOrCreateSpy.mockClear();
 
     const scopedStore = await resolveRouteScopedStore(req, store);
 
diff --git a/packages/dashboard/src/__tests__/routes-tasks-ops.test.ts b/packages/dashboard/src/__tests__/routes-tasks-ops.test.ts
index 525d873ae6..06198a4942 100644
--- a/packages/dashboard/src/__tests__/routes-tasks-ops.test.ts
+++ b/packages/dashboard/src/__tests__/routes-tasks-ops.test.ts
@@ -99,12 +99,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/routes-tasks.test.ts b/packages/dashboard/src/__tests__/routes-tasks.test.ts
index 188f9c57b7..589769e427 100644
--- a/packages/dashboard/src/__tests__/routes-tasks.test.ts
+++ b/packages/dashboard/src/__tests__/routes-tasks.test.ts
@@ -101,14 +101,14 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
       getLocalNode: mockCentralGetLocalNode,
       listNodes: mockCentralListNodes,
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/__tests__/session-resume-history.test.ts b/packages/dashboard/src/__tests__/session-resume-history.test.ts
index 6ac11448b6..31e9caaa0d 100644
--- a/packages/dashboard/src/__tests__/session-resume-history.test.ts
+++ b/packages/dashboard/src/__tests__/session-resume-history.test.ts
@@ -39,6 +39,7 @@ const { mockCreateFnAgent } = vi.hoisted(() => ({
 
 vi.mock("@fusion/engine", () => ({
   listCliAdapterDescriptors: () => [],
+  createWorkflowAuthoringTools: vi.fn(() => []),
   createFnAgent: mockCreateFnAgent,
 }));
 
diff --git a/packages/dashboard/src/__tests__/setup-routes.test.ts b/packages/dashboard/src/__tests__/setup-routes.test.ts
index 3e53298d80..59f87247c8 100644
--- a/packages/dashboard/src/__tests__/setup-routes.test.ts
+++ b/packages/dashboard/src/__tests__/setup-routes.test.ts
@@ -19,17 +19,17 @@ vi.mock("@fusion/core", async () => {
   return {
     ...actual,
     isGhAuthenticated: vi.fn(),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       getGlobalDir: mockCentralGetGlobalDir,
-    })),
-    FirstRunDetector: vi.fn().mockImplementation(() => ({
+    }; }),
+    FirstRunDetector: vi.fn().mockImplementation(function () { return {
       detectExistingProjects: mockDetectorDetectExistingProjects,
       detectFirstRunState: mockDetectorDetectFirstRunState,
       hasCentralDb: mockDetectorHasCentralDb,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/__tests__/shared-branch-group-entry-points.test.ts b/packages/dashboard/src/__tests__/shared-branch-group-entry-points.test.ts
index 0c2ecff0b1..78f295023d 100644
--- a/packages/dashboard/src/__tests__/shared-branch-group-entry-points.test.ts
+++ b/packages/dashboard/src/__tests__/shared-branch-group-entry-points.test.ts
@@ -47,12 +47,12 @@ vi.mock("@fusion/core", async (importOriginal) => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: vi.fn().mockResolvedValue(undefined),
       close: vi.fn().mockResolvedValue(undefined),
       listProjects: vi.fn().mockResolvedValue([]),
       reconcileProjectStatuses: vi.fn().mockResolvedValue(undefined),
-    })),
+    }; }),
   });
 });
 
diff --git a/packages/dashboard/src/routes/__tests__/board-workflows-route.test.ts b/packages/dashboard/src/routes/__tests__/board-workflows-route.test.ts
index 2c05403247..69c6ace262 100644
--- a/packages/dashboard/src/routes/__tests__/board-workflows-route.test.ts
+++ b/packages/dashboard/src/routes/__tests__/board-workflows-route.test.ts
@@ -85,7 +85,9 @@ describe("GET /tasks/board-workflows", () => {
   const get = (path: string) => REQUEST(app, "GET", path);
 
   it("flag OFF → { flagEnabled: false } legacy shape", async () => {
-    // Even with tasks on the board, flag-OFF returns the empty single-lane shape.
+    // Even with tasks on the board, an explicitly-disabled flag returns the empty
+    // single-lane shape regardless of the project's default feature policy.
+    await store.updateGlobalSettings({ experimentalFeatures: { workflowColumns: false } });
     await store.createTask({ description: "card" });
     const res = await get("/api/tasks/board-workflows");
     expect(res.status).toBe(200);
@@ -187,16 +189,17 @@ describe("GET /tasks/board-workflows", () => {
     expect((customLane?.columns.length ?? 0)).toBeGreaterThan(0);
   });
 
-  it("REGRESSION (FN-1414 finding): non-watching store + stale slim memo → route reports empty taskWorkflowIds for a populated board", async () => {
+  it("REGRESSION (FN-1414 finding): non-watching store slim memo never exceeds the full board snapshot", async () => {
     // PRODUCTION BUG CAPTURED (report only — prod owned by another agent):
     // TaskStore.listTasks({ slim: true }) is memoized for 2.5s whenever the store
     // is NOT watching (startupSlimListMemo, store.ts ~L4902). The board-workflows
     // route reads listTasks({ slim: true, includeArchived: false }); if an earlier
-    // slim read memoized an empty/stale list, the route returns an empty
-    // taskWorkflowIds even though the board has cards. A watching dashboard store
-    // disables the memo, so this primarily bites non-watching contexts (and the
-    // 2.5s window right after boot). We assert the OBSERVED behavior so the suite
-    // stays green and the discrepancy is documented.
+    // slim read memoized an empty/stale list, the route can return stale
+    // taskWorkflowIds even though the board has newer cards. A watching dashboard
+    // store disables the memo, so this primarily bites non-watching contexts (and
+    // the 2.5s window right after boot). The exact cache-expiry boundary is
+    // wall-clock based, so assert the deterministic invariant instead: slim reads
+    // may be stale or fresh, but they must never report more cards than full reads.
     await store.updateGlobalSettings({ experimentalFeatures: { workflowColumns: true } });
     await store.createTask({ description: "card" });
     // Prime the slim memo with the current (single-card) snapshot, then add a card.
@@ -205,9 +208,12 @@ describe("GET /tasks/board-workflows", () => {
     const slimAfter = await store.listTasks({ slim: true, includeArchived: false });
     const fullAfter = await store.listTasks({ includeArchived: false });
 
-    // The non-slim read sees both cards; the memoized slim read is stale.
+    // The non-slim read sees both cards. Depending on wall-clock cache expiry,
+    // the second slim read can be stale (matching slimBefore) or fresh (matching
+    // fullAfter), but it must remain bounded by the full source of truth.
+    expect(slimBefore.length).toBe(1);
     expect(fullAfter.length).toBe(2);
-    expect(slimAfter.length).toBe(slimBefore.length); // stale — second card not visible
-    expect(slimAfter.length).toBeLessThan(fullAfter.length);
+    expect(slimAfter.length).toBeGreaterThanOrEqual(slimBefore.length);
+    expect(slimAfter.length).toBeLessThanOrEqual(fullAfter.length);
   });
 });
diff --git a/packages/dashboard/src/routes/__tests__/custom-providers.test.ts b/packages/dashboard/src/routes/__tests__/custom-providers.test.ts
index bc0ed7e756..8085bb95b4 100644
--- a/packages/dashboard/src/routes/__tests__/custom-providers.test.ts
+++ b/packages/dashboard/src/routes/__tests__/custom-providers.test.ts
@@ -18,12 +18,12 @@ vi.mock("@fusion/core", async () => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
       reconcileProjectStatuses: mockCentralReconcileProjectStatuses,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/routes/__tests__/docker-node-routes.test.ts b/packages/dashboard/src/routes/__tests__/docker-node-routes.test.ts
index 4aed2530d9..5a92d616a7 100644
--- a/packages/dashboard/src/routes/__tests__/docker-node-routes.test.ts
+++ b/packages/dashboard/src/routes/__tests__/docker-node-routes.test.ts
@@ -21,7 +21,7 @@ vi.mock("@fusion/core", async () => {
     isGhAvailable: vi.fn(),
     isGhAuthenticated: vi.fn(),
     isQmdAvailable: vi.fn().mockResolvedValue(false),
-    CentralCore: vi.fn().mockImplementation(() => ({
+    CentralCore: vi.fn().mockImplementation(function () { return {
       init: mockCentralInit,
       close: mockCentralClose,
       listProjects: mockCentralListProjects,
@@ -29,7 +29,7 @@ vi.mock("@fusion/core", async () => {
       listManagedDockerNodes: mockListManagedDockerNodes,
       createManagedDockerNode: mockCreateManagedDockerNode,
       getManagedDockerNode: mockGetManagedDockerNode,
-    })),
+    }; }),
   };
 });
 
diff --git a/packages/dashboard/src/routes/__tests__/register-docker-node-routes.test.ts b/packages/dashboard/src/routes/__tests__/register-docker-node-routes.test.ts
index 959170bdf1..4bda4a9308 100644
--- a/packages/dashboard/src/routes/__tests__/register-docker-node-routes.test.ts
+++ b/packages/dashboard/src/routes/__tests__/register-docker-node-routes.test.ts
@@ -34,9 +34,9 @@ vi.mock("@fusion/core", async () => {
   const actual = await vi.importActual<typeof import("@fusion/core")>("@fusion/core");
   return {
     ...actual,
-    DockerClientService: vi.fn().mockImplementation(() => service),
-    CentralCore: vi.fn().mockImplementation(() => mockCentralInstance),
-    MeshConfigGenerator: vi.fn().mockImplementation(() => mockGeneratorInstance),
+    DockerClientService: vi.fn().mockImplementation(function () { return service; }),
+    CentralCore: vi.fn().mockImplementation(function () { return mockCentralInstance; }),
+    MeshConfigGenerator: vi.fn().mockImplementation(function () { return mockGeneratorInstance; }),
   };
 });
 
diff --git a/packages/dashboard/src/routes/__tests__/register-docker-provisioning-routes.test.ts b/packages/dashboard/src/routes/__tests__/register-docker-provisioning-routes.test.ts
index b002e4f9f6..f90508f510 100644
--- a/packages/dashboard/src/routes/__tests__/register-docker-provisioning-routes.test.ts
+++ b/packages/dashboard/src/routes/__tests__/register-docker-provisioning-routes.test.ts
@@ -26,16 +26,16 @@ const dockerClientServiceMock = {
 
 vi.mock("@fusion/core", async (importOriginal) => ({
   ...(await importOriginal<typeof import("@fusion/core")>()),
-  DockerProvisioningService: vi.fn().mockImplementation(() => ({
+  DockerProvisioningService: vi.fn().mockImplementation(function () { return {
     provision: provisionMock,
     deprovision: deprovisionMock,
     startContainer: startContainerMock,
     stopContainer: stopContainerMock,
     restartContainer: restartContainerMock,
     getContainerStatus: getContainerStatusMock,
-  })),
-  DockerClientService: vi.fn().mockImplementation(() => dockerClientServiceMock),
-  CentralCore: vi.fn().mockImplementation(() => ({
+  }; }),
+  DockerClientService: vi.fn().mockImplementation(function () { return dockerClientServiceMock; }),
+  CentralCore: vi.fn().mockImplementation(function () { return {
     init: initMock,
     close: closeMock,
     registerNode: registerNodeMock,
@@ -43,7 +43,7 @@ vi.mock("@fusion/core", async (importOriginal) => ({
     updateManagedDockerNode: updateManagedDockerNodeMock,
     listManagedDockerNodes: listManagedDockerNodesMock,
     deleteManagedDockerNode: deleteManagedDockerNodeMock,
-  })),
+  }; }),
   deterministicGuardLocks: new Map(),
 }));
 
diff --git a/packages/dashboard/src/test-request.ts b/packages/dashboard/src/test-request.ts
index f7759df331..6603268967 100644
--- a/packages/dashboard/src/test-request.ts
+++ b/packages/dashboard/src/test-request.ts
@@ -46,6 +46,7 @@ export async function request(
 ): Promise<TestResponse> {
   const normalizedBody = normalizeBody(body);
   const socket = new MockSocket();
+  socket.resume();
   const req = new http.IncomingMessage(socket as unknown as Socket);
   const res = new http.ServerResponse(req);
   const chunks: Buffer[] = [];
@@ -68,14 +69,16 @@ export async function request(
 
   res.write = ((chunk: string | Buffer, encoding?: BufferEncoding | ((error?: Error | null) => void), cb?: (error?: Error | null) => void) => {
     chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, typeof encoding === "string" ? encoding : undefined));
-    return originalWrite(chunk as never, encoding as never, cb);
+    originalWrite(chunk as never, encoding as never, cb);
+    return true;
   }) as typeof res.write;
 
   res.end = ((chunk?: string | Buffer, encoding?: BufferEncoding | (() => void), cb?: () => void) => {
     if (chunk !== undefined) {
       chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, typeof encoding === "string" ? encoding : undefined));
     }
-    return originalEnd(chunk as never, encoding as never, cb as never);
+    const callback = typeof encoding === "function" ? encoding : cb;
+    return originalEnd(chunk as never, encoding as never, callback as never);
   }) as typeof res.end;
 
   const response = new Promise<TestResponse>((resolve, reject) => {