Tier 3: timers CRUD + time tracking with topbar timer

routers/tasks.py

@@ -16,6 +16,15 @@ router = APIRouter(prefix="/tasks", tags=["tasks"])
 templates = Jinja2Templates(directory="templates")
 
 
+async def get_running_task_id(db: AsyncSession) -> Optional[str]:
+    """Get the task_id of the currently running timer, if any."""
+    result = await db.execute(text(
+        "SELECT task_id FROM time_entries WHERE end_at IS NULL AND is_deleted = false LIMIT 1"
+    ))
+    row = result.first()
+    return str(row.task_id) if row else None
+
+
 @router.get("/")
 async def list_tasks(
     request: Request,
@@ -83,6 +92,8 @@ async def list_tasks(
     ))
     context_types = [dict(r._mapping) for r in result]
 
+    running_task_id = await get_running_task_id(db)
+
     return templates.TemplateResponse("tasks.html", {
         "request": request, "sidebar": sidebar, "items": items,
         "domains": domains, "projects": projects, "context_types": context_types,
@@ -92,6 +103,7 @@ async def list_tasks(
         "current_priority": priority or "",
         "current_context": context or "",
         "current_sort": sort,
+        "running_task_id": running_task_id,
         "page_title": "All Tasks", "active_nav": "tasks",
     })
 
@@ -207,10 +219,13 @@ async def task_detail(task_id: str, request: Request, db: AsyncSession = Depends
     """), {"tid": task_id})
     subtasks = [dict(r._mapping) for r in result]
 
+    running_task_id = await get_running_task_id(db)
+
     return templates.TemplateResponse("task_detail.html", {
         "request": request, "sidebar": sidebar, "item": item,
         "domain": domain, "project": project, "parent": parent,
         "subtasks": subtasks,
+        "running_task_id": running_task_id,
         "page_title": item["title"], "active_nav": "tasks",
     })