feat: 统一入口 dispatcher（对外 opc.pinesound.cn）

- /api/* /uploads/* /SpXvScDiDT.txt → 培训子应用
- 其余 → 平台应用；驱动双子应用 lifespan

SpXvScDiDT.txt

@@ -0,0 +1 @@
+d813c7bbab566807a833fbc3b0e20a9c

dispatcher.py

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+"""server-core 统一入口（dispatcher）—— 对外生产服务 opc.pinesound.cn 单入口。
+
+同一端口服务平台应用与培训子应用，按路径路由：
+  /api/*、/uploads/*、/SpXvScDiDT.txt  → 培训子应用（app.training，保留 /api 路由与独立 data/opc.db）
+  其余（/auth /opc /admin /agents 等）→ 平台应用（app.main，身份 + 业务域）
+
+启动（server-core 目录）：
+    uv run uvicorn dispatcher:app --host 0.0.0.0 --port 8090 --reload
+"""
+from __future__ import annotations
+
+import logging
+
+from app.main import app as core_app
+from app.training.main import app as training_app
+
+logger = logging.getLogger(__name__)
+
+ROUTE_TRAINING_PREFIXES = ("/api", "/uploads", "/SpXvScDiDT.txt")
+
+
+class Dispatcher:
+    """极简 ASGI 分发器：驱动子应用 lifespan（核心库初始化）+ 按路径路由。"""
+
+    def __init__(self, apps: list):
+        self._apps = apps
+
+    async def _run_lifespan(self, receive, send):
+        """依次进入各子应用 lifespan（核心应用负责建表/种子），按启动/停止消息配对退出。"""
+        started: list = []
+        try:
+            while True:
+                message = await receive()
+                if message["type"] == "lifespan.startup":
+                    for a in self._apps:
+                        cm = a.router.lifespan_context(app=a)
+                        await cm.__aenter__()
+                        started.append(cm)
+                    await send({"type": "lifespan.startup.complete"})
+                elif message["type"] == "lifespan.shutdown":
+                    for cm in reversed(started):
+                        await cm.__aexit__(None, None, None)
+                    started = []
+                    await send({"type": "lifespan.shutdown.complete"})
+                    return
+        except BaseException:
+            for cm in reversed(started):
+                try:
+                    await cm.__aexit__(None, None, None)
+                except Exception:  # noqa: BLE001
+                    pass
+            raise
+
+    async def __call__(self, scope, receive, send):
+        if scope["type"] == "lifespan":
+            await self._run_lifespan(receive, send)
+            return
+        path = scope.get("path", "")
+        target = training_app if path.startswith(ROUTE_TRAINING_PREFIXES) else core_app
+        await target(scope, receive, send)
+
+
+app = Dispatcher([core_app, training_app])