feat(server): expose ingest state in /status; doc auto-ingest in README

inbound_verify/cli/server.py

@@ -188,11 +188,12 @@ def list_tasks(limit: int = 20):
 
 @app.get("/status")
 def get_status():
-    """各站登录态 + 数据态（前端状态盘用），另含 worker 就绪状态。"""
+    """各站登录态 + 数据态 + 入库态（前端状态盘用），另含 worker 就绪状态。"""
     return {
         "worker_ready": worker_state["ready"],
         "worker_error": worker_state["error"],
         "sites": state_store.get_all_status(),
+        "ingest": state_store.get_all_ingest_state(),
     }