fix: improve merge verification and dashboard behavior

packages/dashboard/src/__tests__/discovery-routes.test.ts

@@ -37,6 +37,10 @@ class MockStore extends EventEmitter {
     return "/tmp/fn-1222";
   }
 
+  getFusionDir(): string {
+    return "/tmp/fn-1222/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/mesh-routes.test.ts

@@ -44,6 +44,10 @@ class MockStore extends EventEmitter {
     return "/tmp/fn-1224";
   }
 
+  getFusionDir(): string {
+    return "/tmp/fn-1224/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/node-routes.test.ts

@@ -43,6 +43,10 @@ class MockStore extends EventEmitter {
     return "/tmp/fn-1080";
   }
 
+  getFusionDir(): string {
+    return "/tmp/fn-1080/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/project-routes.test.ts

@@ -458,6 +458,10 @@ class MockStoreForRoutes extends EventEmitter {
     return "/tmp/fn-944";
   }
 
+  getFusionDir(): string {
+    return "/tmp/fn-944/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/routes-diff.test.ts

@@ -33,6 +33,10 @@ class MockStore extends EventEmitter {
     return "/tmp/fn-679";
   }
 
+  getFusionDir(): string {
+    return "/tmp/fn-679/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/server-webhook.test.ts

@@ -42,6 +42,10 @@ class MockStore extends EventEmitter {
     return this.rootDir;
   }
 
+  getFusionDir(): string {
+    return this.rootDir + "/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),

packages/dashboard/src/__tests__/websocket.test.ts

@@ -48,6 +48,10 @@ class MockStore extends EventEmitter {
     return process.cwd();
   }
 
+  getFusionDir(): string {
+    return process.cwd() + "/.fusion";
+  }
+
   getDatabase() {
     return {
       exec: vi.fn(),