feat: 多平台 Coding Plan 统一管理系统初始实现

- 支持 MiniMax/OpenAI/Google Gemini/智谱/Kimi 五个平台
- 插件化 Provider 架构，自动发现注册
- 多维度 QuotaRule 额度追踪（固定间隔/自然周期/API同步/手动）
- OpenAI + Anthropic 兼容 API 代理，SSE 流式转发
- Model 路由表 + 额度耗尽自动 fallback
- 多媒体任务队列（图片/语音/视频）
- Vue3 + Tailwind 单文件 Web 仪表盘
- Docker 一键部署

Made-with: Cursor

app/routers/queue.py

@@ -0,0 +1,46 @@
+"""任务队列 API"""
+
+from fastapi import APIRouter, HTTPException
+
+from app import database as db
+from app.models import TaskCreate, TaskOut
+
+router = APIRouter()
+
+
+@router.get("", response_model=list[TaskOut])
+async def list_tasks(status: str | None = None, limit: int = 50):
+    return await db.list_tasks(status=status, limit=limit)
+
+
+@router.post("", response_model=dict)
+async def create_task(body: TaskCreate):
+    return await db.create_task(
+        task_type=body.task_type,
+        request_payload=body.request_payload,
+        plan_id=body.plan_id,
+        priority=body.priority,
+        max_retries=body.max_retries,
+        callback_url=body.callback_url,
+    )
+
+
+@router.get("/{task_id}", response_model=TaskOut)
+async def get_task(task_id: str):
+    d = await db.get_db()
+    cur = await d.execute("SELECT * FROM tasks WHERE id=?", (task_id,))
+    row = await cur.fetchone()
+    if not row:
+        raise HTTPException(404, "Task not found")
+    t = db.row_to_dict(row)
+    t["request_payload"] = db._parse_json(t["request_payload"], {})
+    t["response_payload"] = db._parse_json(t.get("response_payload"))
+    return t
+
+
+@router.post("/{task_id}/cancel")
+async def cancel_task(task_id: str):
+    ok = await db.update_task(task_id, status="cancelled")
+    if not ok:
+        raise HTTPException(404, "Task not found")
+    return {"ok": True}