feat: enhance task management with terminal logs and UI improvements

- Add terminal logs support in backend (Task model, API, schema)
- Implement real-time task logging during generation
- Add TerminalDialog component to frontend for viewing logs
- Add collapsible TaskManager with log viewer entry
- Restore prompt structure for better generation quality
- Fix frontend image flickering issue

backend/app/schemas/schemas.py

@@ -36,6 +36,7 @@ class TaskRead(TaskBase):
     project_id: str
     created_at: datetime
     updated_at: datetime
+    logs: List[str] = []
 
 # Project
 class ProjectCreate(ProjectBase):