feat(FN-3899): add chat rooms with send routing and delete-room UI

This merge delivers chat rooms with room send routing and delete-room UI in the dashboard (FN-3899), including fixes for bundled plugin view imports and a release changeset. Supporting changes include a merger improvement that tightens scope-warning diff base when baseBranch is missing, companies.sh

Fusion-Task-Id: FN-3899

.changeset/default-verification-fix-retries-2.md

@@ -0,0 +1,5 @@
+---
+"@runfusion/fusion": patch
+---
+
+Change the default `verificationFixRetries` setting from 3 to 2 for new projects and fallback behavior when unset.

.changeset/fn-3899-chat-rooms-fixes.md

@@ -0,0 +1,5 @@
+---
+"@runfusion/fusion": patch
+---
+
+Fix chat rooms: pressing Enter in a room now posts to the room (previously routed to a 1-on-1 session), and rooms can now be deleted from the rooms sidebar with confirmation.

docs/settings-reference.md

@@ -207,7 +207,7 @@ Defaults from `DEFAULT_PROJECT_SETTINGS`; key scope from `PROJECT_SETTINGS_KEYS`
 | `smartConflictResolution` | `boolean` | `true` | Alias/preferred flag for smart conflict handling. |
 | `strictScopeEnforcement` | `boolean` | `false` | Block merges on out-of-scope file changes. |
 | `buildRetryCount` | `number` | `0` | Build retry attempts during merge. |
-| `verificationFixRetries` | `number` | `3` | Auto-fix retry attempts when verification fails during merge. |
+| `verificationFixRetries` | `number` | `2` | Auto-fix retry attempts when verification fails during merge. |
 | `buildTimeoutMs` | `number` | `300000` | Build timeout in milliseconds (5 minutes). |
 | `requirePlanApproval` | `boolean` | `false` | Require manual approval before planning → todo. |
 | `completionDocumentationMode` | `"off" \| "changeset" \| "changelog"` | `"off"` | Controls triage prompt injection for release-note artifacts in future task specs. `"changeset"` requires `.changeset/*.md` workflow guidance; `"changelog"` requires updating an existing changelog file (without inventing a new one); `"off"` disables this automation. |

packages/dashboard/app/components/ChatView.css

@@ -109,15 +109,16 @@
 .chat-room-item {
   width: 100%;
   display: flex;
-  flex-direction: column;
+  align-items: center;
-  align-items: flex-start;
+  justify-content: space-between;
-  gap: var(--space-xs);
+  gap: var(--space-sm);
   border: none;
   border-radius: var(--radius-md);
   background: transparent;
   color: var(--text);
   padding: var(--space-sm) var(--space-md);
   text-align: left;
+  cursor: pointer;
 }
 
 .chat-room-item:hover {
@@ -133,6 +134,13 @@
   background: color-mix(in srgb, var(--todo) 12%, transparent);
 }
 
+.chat-room-item-details {
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-xs);
+}
+
 .chat-room-item-name {
   font-weight: 500;
 }
@@ -142,6 +150,15 @@
   font-size: var(--space-sm);
 }
 
+.chat-room-item-delete {
+  color: var(--text-muted);
+}
+
+.chat-room-item-delete:hover,
+.chat-room-item-delete:focus-visible {
+  color: var(--color-error);
+}
+
 .chat-room-thread-header {
   display: flex;
   align-items: center;
@@ -1402,6 +1419,14 @@
     min-width: 36px;
   }
 
+  .chat-room-item {
+    padding: var(--space-sm);
+  }
+
+  .chat-room-item-delete {
+    flex-shrink: 0;
+  }
+
   .chat-room-thread-members {
     max-width: 50%;
   }

packages/dashboard/app/components/ChatView.tsx

@@ -736,6 +736,7 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
   const [messageInput, setMessageInput] = useState("");
   const [contextMenu, setContextMenu] = useState<{ sessionId: string; x: number; y: number } | null>(null);
   const [confirmDelete, setConfirmDelete] = useState<string | null>(null);
+  const [confirmDeleteRoomId, setConfirmDeleteRoomId] = useState<string | null>(null);
   const [sidebarVisible, setSidebarVisible] = useState(true);
   const [sidebarWidth, setSidebarWidth] = useState(CHAT_SIDEBAR_DEFAULT_WIDTH);
   const [chatScope, setChatScope] = useState<"direct" | "rooms">("direct");
@@ -1222,6 +1223,24 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
   ]);
 
 
+  const handleSendDispatch = useCallback(async () => {
+    const trimmed = messageInput.trim();
+    if (!trimmed) {
+      return;
+    }
+
+    if (chatScope === "rooms") {
+      if (!rooms.activeRoom) {
+        return;
+      }
+      await rooms.sendRoomMessage(trimmed);
+      setMessageInput("");
+      return;
+    }
+
+    handleSend();
+  }, [messageInput, chatScope, rooms, handleSend]);
+
   const handleSkillSelect = useCallback(
     (skill: DiscoveredSkill) => {
       setMessageInput((currentInput) => {
@@ -1376,7 +1395,7 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
 
       if (e.key === "Enter" && !e.shiftKey) {
         e.preventDefault();
-        void handleSend();
+        void handleSendDispatch();
       }
     },
     [
@@ -1388,7 +1407,7 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
       filteredSkills,
       highlightedSkillIndex,
       handleSkillSelect,
-      handleSend,
+      handleSendDispatch,
       fileMention,
       messageInput,
     ],
@@ -1857,9 +1876,10 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
                   const isActive = rooms.activeRoom?.id === room.id;
                   const memberCount = isActive ? rooms.activeRoomMembers.length : "—";
                   return (
-                    <button
+                    <div
                       key={room.id}
-                      type="button"
+                      role="button"
+                      tabIndex={0}
                       className={`chat-room-item${isActive ? " chat-room-item--active" : ""}`}
                       data-testid={`chat-room-item-${room.slug}`}
                       onClick={() => {
@@ -1868,10 +1888,33 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
                           setSidebarVisible(false);
                         }
                       }}
+                      onKeyDown={(event) => {
+                        if (event.key === "Enter" || event.key === " ") {
+                          event.preventDefault();
+                          rooms.selectRoom(room.id);
+                          if (isMobile) {
+                            setSidebarVisible(false);
+                          }
+                        }
+                      }}
                     >
-                      <span className="chat-room-item-name">#{room.name}</span>
+                      <span className="chat-room-item-details">
-                      <span className="chat-room-item-meta">{memberCount} {memberCount === 1 ? "member" : "members"}</span>
+                        <span className="chat-room-item-name">#{room.name}</span>
-                    </button>
+                        <span className="chat-room-item-meta">{memberCount} {memberCount === 1 ? "member" : "members"}</span>
+                      </span>
+                      <button
+                        type="button"
+                        className="btn-icon chat-room-item-delete"
+                        data-testid={`chat-room-delete-${room.slug}`}
+                        aria-label={`Delete room ${room.name}`}
+                        onClick={(event) => {
+                          event.stopPropagation();
+                          setConfirmDeleteRoomId(room.id);
+                        }}
+                      >
+                        <Trash2 size={14} />
+                      </button>
+                    </div>
                   );
                 })}
               </div>
@@ -1956,6 +1999,36 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
         </div>
       )}
 
+      {confirmDeleteRoomId && (
+        <div className="chat-new-dialog-backdrop chat-view-dialog-backdrop" onClick={() => setConfirmDeleteRoomId(null)}>
+          <div className="chat-new-dialog chat-view-dialog" onClick={(e) => e.stopPropagation()}>
+            <h3>Delete Room?</h3>
+            <p className="chat-view-delete-dialog-copy">
+              This action cannot be undone. This room and all its messages will be permanently deleted.
+            </p>
+            <div className="chat-new-dialog-actions">
+              <button className="btn btn-sm" onClick={() => setConfirmDeleteRoomId(null)}>
+                Cancel
+              </button>
+              <button
+                className="btn btn-sm btn-danger"
+                onClick={() => {
+                  void (async () => {
+                    try {
+                      await rooms.deleteRoom(confirmDeleteRoomId);
+                      setConfirmDeleteRoomId(null);
+                    } catch {
+                      addToast("Failed to delete room", "error");
+                    }
+                  })();
+                }}
+              >
+                Delete
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
       {/* Thread */}
       {chatScope === "rooms" ? (
         <div className="chat-thread">
@@ -2038,11 +2111,7 @@ export function ChatView({ projectId, addToast }: ChatViewProps) {
                   type="button"
                   className="chat-input-send"
                   onClick={() => {
-                    const trimmed = messageInput.trim();
+                    void handleSendDispatch();
-                    if (!trimmed) return;
-                    void rooms.sendRoomMessage(trimmed).then(() => {
-                      setMessageInput("");
-                    });
                   }}
                   disabled={!messageInput.trim()}
                   data-testid="chat-send-btn"

packages/dashboard/app/components/__tests__/ChatView.rooms.test.tsx

@@ -22,6 +22,9 @@ const mockUseChat = vi.mocked(useChatModule.useChat);
 const mockUseChatRooms = vi.mocked(useChatRoomsModule.useChatRooms);
 const mockUseViewportMode = vi.mocked(headerModule.useViewportMode);
 
+const mockCreateSession = vi.fn();
+const mockSendMessage = vi.fn();
+
 function buildRoomsMock(overrides: Partial<UseChatRoomsResult> = {}): UseChatRoomsResult {
   return {
     rooms: [],
@@ -43,11 +46,13 @@ function buildRoomsMock(overrides: Partial<UseChatRoomsResult> = {}): UseChatRoo
 beforeEach(() => {
   vi.clearAllMocks();
   mockUseViewportMode.mockReturnValue("desktop");
+  mockCreateSession.mockReset();
+  mockSendMessage.mockReset();
   mockUseChat.mockReturnValue({
     sessions: [], activeSession: null, sessionsLoading: false, messages: [], messagesLoading: false,
     isStreaming: false, streamingText: "", streamingThinking: "", streamingToolCalls: [],
-    selectSession: vi.fn(), createSession: vi.fn(), archiveSession: vi.fn(), deleteSession: vi.fn(),
+    selectSession: vi.fn(), createSession: mockCreateSession, archiveSession: vi.fn(), deleteSession: vi.fn(),
-    sendMessage: vi.fn(), stopStreaming: vi.fn(), pendingMessage: "", clearPendingMessage: vi.fn(),
+    sendMessage: mockSendMessage, stopStreaming: vi.fn(), pendingMessage: "", clearPendingMessage: vi.fn(),
     loadMoreMessages: vi.fn(), hasMoreMessages: false, searchQuery: "", setSearchQuery: vi.fn(),
     filteredSessions: [], refreshSessions: vi.fn(), agentsMap: new Map(),
   } as any);
@@ -117,6 +122,66 @@ describe("ChatView rooms", () => {
     await waitFor(() => expect(screen.getByTestId("chat-input")).toHaveValue(""));
   });
 
+  it("pressing Enter in rooms sends to room and not direct session path", async () => {
+    const roomsMock = buildRoomsMock({
+      activeRoom: { id: "room-1", name: "engineering", slug: "engineering", description: null, projectId: "proj-1", createdBy: null, status: "active", createdAt: "", updatedAt: "2026-05-09T00:00:00.000Z" },
+    });
+    mockUseChatRooms.mockReturnValue(roomsMock);
+
+    render(<ChatView addToast={vi.fn()} projectId="proj-1" />);
+    await userEvent.click(screen.getByTestId("chat-sidebar-scope-rooms"));
+    await userEvent.type(screen.getByTestId("chat-input"), "  hello room from enter  ");
+    await userEvent.keyboard("{Enter}");
+
+    await waitFor(() => expect(roomsMock.sendRoomMessage).toHaveBeenCalledWith("hello room from enter"));
+    expect(mockCreateSession).not.toHaveBeenCalled();
+    expect(mockSendMessage).not.toHaveBeenCalled();
+  });
+
+  it("opens room delete dialog without selecting room", async () => {
+    const roomsMock = buildRoomsMock({
+      rooms: [{ id: "room-1", name: "engineering", slug: "engineering", description: null, projectId: "proj-1", createdBy: null, status: "active", createdAt: "", updatedAt: "2026-05-09T00:00:00.000Z" }],
+    });
+    mockUseChatRooms.mockReturnValue(roomsMock);
+
+    render(<ChatView addToast={vi.fn()} projectId="proj-1" />);
+    await userEvent.click(screen.getByTestId("chat-sidebar-scope-rooms"));
+    await userEvent.click(screen.getByTestId("chat-room-delete-engineering"));
+
+    expect(screen.getByText("Delete Room?")).toBeInTheDocument();
+    expect(roomsMock.selectRoom).not.toHaveBeenCalled();
+  });
+
+  it("confirms room delete", async () => {
+    const roomsMock = buildRoomsMock({
+      rooms: [{ id: "room-1", name: "engineering", slug: "engineering", description: null, projectId: "proj-1", createdBy: null, status: "active", createdAt: "", updatedAt: "2026-05-09T00:00:00.000Z" }],
+    });
+    mockUseChatRooms.mockReturnValue(roomsMock);
+
+    render(<ChatView addToast={vi.fn()} projectId="proj-1" />);
+    await userEvent.click(screen.getByTestId("chat-sidebar-scope-rooms"));
+    await userEvent.click(screen.getByTestId("chat-room-delete-engineering"));
+    await userEvent.click(screen.getByRole("button", { name: "Delete" }));
+
+    await waitFor(() => expect(roomsMock.deleteRoom).toHaveBeenCalledWith("room-1"));
+    expect(roomsMock.deleteRoom).toHaveBeenCalledTimes(1);
+  });
+
+  it("cancels room delete without deleting", async () => {
+    const roomsMock = buildRoomsMock({
+      rooms: [{ id: "room-1", name: "engineering", slug: "engineering", description: null, projectId: "proj-1", createdBy: null, status: "active", createdAt: "", updatedAt: "2026-05-09T00:00:00.000Z" }],
+    });
+    mockUseChatRooms.mockReturnValue(roomsMock);
+
+    render(<ChatView addToast={vi.fn()} projectId="proj-1" />);
+    await userEvent.click(screen.getByTestId("chat-sidebar-scope-rooms"));
+    await userEvent.click(screen.getByTestId("chat-room-delete-engineering"));
+    await userEvent.click(screen.getByRole("button", { name: "Cancel" }));
+
+    expect(screen.queryByText("Delete Room?")).not.toBeInTheDocument();
+    expect(roomsMock.deleteRoom).not.toHaveBeenCalled();
+  });
+
   it("renders newly appended messages from hook updates", async () => {
     const state = buildRoomsMock({
       activeRoom: { id: "room-1", name: "engineering", slug: "engineering", description: null, projectId: "proj-1", createdBy: null, status: "active", createdAt: "", updatedAt: "2026-05-09T00:00:00.000Z" },

packages/dashboard/app/plugins/registerBundledPluginViews.ts

@@ -1,8 +1,29 @@
 import { lazy } from "react";
+import type { ComponentType } from "react";
 import { registerPluginView } from "./pluginViewRegistry";
 
 let registered = false;
 
+function createMissingPluginView(moduleId: string): ComponentType {
+  return function MissingPluginView() {
+    return `Bundled plugin view unavailable: ${moduleId}`;
+  };
+}
+
+async function loadBundledPluginView(moduleId: string, exportName: string) {
+  try {
+    const mod = await import(/* @vite-ignore */ moduleId) as Record<string, ComponentType>;
+    const component = mod[exportName];
+    if (component) {
+      return { default: component };
+    }
+  } catch {
+    // Fall back to placeholder view when optional bundled plugin examples are unavailable.
+  }
+
+  return { default: createMissingPluginView(moduleId) };
+}
+
 export function registerBundledPluginViews(): void {
   if (registered) return;
   registered = true;
@@ -10,18 +31,12 @@ export function registerBundledPluginViews(): void {
   registerPluginView(
     "fusion-plugin-dependency-graph",
     "graph",
-    lazy(async () => {
+    lazy(() => loadBundledPluginView("@fusion-plugin-examples/dependency-graph/dashboard-view", "DependencyGraphDashboardView")),
-      const mod = await import("@fusion-plugin-examples/dependency-graph/dashboard-view");
-      return { default: mod.DependencyGraphDashboardView };
-    }),
   );
 
   registerPluginView(
     "roadmap-planner",
     "roadmaps",
-    lazy(async () => {
+    lazy(() => loadBundledPluginView("@fusion-plugin-examples/roadmap/dashboard-view", "RoadmapDashboardView")),
-      const mod = await import("@fusion-plugin-examples/roadmap/dashboard-view");
-      return { default: mod.RoadmapDashboardView };
-    }),
   );
 }

packages/engine/src/__tests__/merger.test.ts

@@ -7618,7 +7618,7 @@ describe("aiMergeTask — in-merge verification fix", () => {
     expect(mockedCreateFnAgent).toHaveBeenCalledTimes(4);
   });
 
-  it("default verificationFixRetries (omitted) results in 3 fix attempts", async () => {
+  it("default verificationFixRetries (omitted) results in 2 fix attempts", async () => {
     mockedExecSync.mockImplementation((cmd: any) => {
       const cmdStr = String(cmd);
       if (cmdStr.includes("rev-parse --verify")) return Buffer.from("abc123");
@@ -7658,26 +7658,25 @@ describe("aiMergeTask — in-merge verification fix", () => {
     (store.getSettings as ReturnType<typeof vi.fn>).mockResolvedValue({
       ...DEFAULT_SETTINGS,
       testCommand: "vitest run",
-      // verificationFixRetries is NOT set — should default to 3
+      // verificationFixRetries is NOT set — should default to 2
     });
 
     await expect(aiMergeTask(store, "/tmp/root", "FN-050")).rejects.toMatchObject({
       name: "VerificationError",
     });
 
-    // 1 merger AI agent (attempt 1) + 3 fix agent attempts (default) = 4 calls
+    // 1 merger AI agent (attempt 1) + 2 fix agent attempts (default) = 3 calls
-    expect(mockedCreateFnAgent).toHaveBeenCalledTimes(4);
+    expect(mockedCreateFnAgent).toHaveBeenCalledTimes(3);
 
-    // Verify the log shows 3 fix attempts (2 log entries per attempt: start + failure)
+    // Verify the log shows 2 fix attempts (2 log entries per attempt: start + failure)
     const logCalls = (store.logEntry as ReturnType<typeof vi.fn>).mock.calls;
     const fixAttempts = logCalls.filter((call: any[]) =>
       typeof call[1] === "string" && call[1].includes("In-merge verification fix attempt"),
     );
-    // Each attempt produces 2 log entries: "attempt X/3" and "attempt X — verification still fails"
+    // Each attempt produces 2 log entries: "attempt X/2" and "attempt X — verification still fails"
-    expect(fixAttempts).toHaveLength(6);
+    expect(fixAttempts).toHaveLength(4);
-    expect(fixAttempts[0][1]).toContain("attempt 1/3");
+    expect(fixAttempts[0][1]).toContain("attempt 1/2");
-    expect(fixAttempts[2][1]).toContain("attempt 2/3");
+    expect(fixAttempts[2][1]).toContain("attempt 2/2");
-    expect(fixAttempts[4][1]).toContain("attempt 3/3");
   });
 });
 

packages/engine/src/merger.ts

@@ -5085,7 +5085,7 @@ export async function aiMergeTask(
       // Try in-merge fix attempts before propagating
       if (error.name === "VerificationError") {
         const verificationErr = error as VerificationError;
-        const maxFixRetries = Math.min(settings.verificationFixRetries ?? 3, 3);
+        const maxFixRetries = Math.min(settings.verificationFixRetries ?? 2, 3);
 
         if (maxFixRetries > 0 && (verificationErr.verificationResult.testResult || verificationErr.verificationResult.buildResult)) {
           mergerLog.log(`${taskId}: deterministic verification failed — attempting in-merge fix (up to ${maxFixRetries} attempts)`);
@@ -5216,7 +5216,7 @@ export async function aiMergeTask(
 
       // Check if it's a build verification failure
       if (error.message?.includes("Build verification failed")) {
-        const maxFixRetries = Math.min(settings.verificationFixRetries ?? 3, 3);
+        const maxFixRetries = Math.min(settings.verificationFixRetries ?? 2, 3);
 
         // Try in-merge fix before falling back to build retry
         if (maxFixRetries > 0 && (effectiveTestCommand || effectiveBuildCommand)) {