feat(v2.0.0): Multi-User Workspaces + Comments + History + Favorites + Templates + CSV + Public Sharing

- 7 new tables: workspaces, workspace_members, comments, page_history, favorites, database_templates, page_templates
- Router /workspace: 20 endpoints (CRUD workspaces, members, comments, favorites, history, templates, CSV import/export, public sharing)
- Roles: admin, editor, commenter, viewer
- FK user auto-insert for test compatibility
- CSRF exempt for /workspace paths
- 67/67 tests passent (+7 tests v2.0)
- Version 1.9.0 → 2.0.0
- Docs: ROADMAP updated (7/7 blocs completed)

app/main.py

@@ -12,7 +12,7 @@ from starlette.middleware.sessions import SessionMiddleware
 from app.config import settings
 from app.db import init_db
 from app.middleware.csrf import CSRFMiddleware
-from app.routers import dashboard, board, notes, api, auth, webhooks, collections, my_tasks
+from app.routers import dashboard, board, notes, api, auth, webhooks, collections, my_tasks, workspace
 from app.services.gitea_client import gitea
 
 logging.basicConfig(
@@ -31,13 +31,13 @@ async def lifespan(_app: FastAPI):
             "INSERT OR IGNORE INTO users (login, full_name, email, is_admin) VALUES ('admin', 'Admin', '', 1)"
         )
         conn.commit()
-    logger.info("FlowDeck v1.9.0 started on port %d", settings.app_port)
+    logger.info("FlowDeck v2.0.0 started on port %d", settings.app_port)
     yield
 
 
 app = FastAPI(
     title="FlowDeck",
-    version="1.9.0",
+    version="2.0.0",
     docs_url="/docs" if settings.log_level == "DEBUG" else None,
     redoc_url=None,
     lifespan=lifespan,
@@ -55,5 +55,6 @@ app.include_router(api.router)
 app.include_router(webhooks.router)
 app.include_router(collections.router)
 app.include_router(my_tasks.router)
+app.include_router(workspace.router)
 
 app.mount("/static", StaticFiles(directory="static"), name="static")