feat: fastapi app mit lifespan, webhook handler und /health

app/main.py

@@ -0,0 +1,41 @@
+import logging
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from qdrant_client import QdrantClient
+
+from app.config import get_settings
+from app.ingest.embedder import embedding_dimension
+from app.logging_setup import setup_logging
+from app.qdrant_store import ensure_collection
+from app.webhook.handler import router as webhook_router
+
+
+logger = logging.getLogger(__name__)
+
+
+async def _startup_ensure_collection() -> None:
+    settings = get_settings()
+    dim = await embedding_dimension(settings.ollama_embed_model)
+    client = QdrantClient(url=settings.qdrant_url)
+    ensure_collection(client, settings.qdrant_collection, vector_size=dim)
+    logger.info(
+        "qdrant collection ready",
+        extra={"event": "startup", "collection": settings.qdrant_collection, "dim": dim},
+    )
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    setup_logging(get_settings().log_level)
+    await _startup_ensure_collection()
+    yield
+
+
+app = FastAPI(title="rag-ingestor", lifespan=lifespan)
+app.include_router(webhook_router)
+
+
+@app.get("/health")
+async def health():
+    return {"status": "ok"}