Add Dalidou storage foundation and deployment prep

src/atocore/main.py

@@ -5,8 +5,9 @@ from fastapi import FastAPI
 from atocore.api.routes import router
 import atocore.config as _config
 from atocore.context.project_state import init_project_state_schema
+from atocore.ingestion.pipeline import get_source_status
 from atocore.models.database import init_db
-from atocore.observability.logger import setup_logging
+from atocore.observability.logger import get_logger, setup_logging
 
 app = FastAPI(
     title="AtoCore",
@@ -15,13 +16,22 @@ app = FastAPI(
 )
 
 app.include_router(router)
+log = get_logger("main")
 
 
 @app.on_event("startup")
 def startup():
     setup_logging()
+    _config.ensure_runtime_dirs()
     init_db()
     init_project_state_schema()
+    log.info(
+        "startup_ready",
+        env=_config.settings.env,
+        db_path=str(_config.settings.db_path),
+        chroma_path=str(_config.settings.chroma_path),
+        source_status=get_source_status(),
+    )
 
 
 if __name__ == "__main__":