app/routers/admin.py hinzugefügt

app/routers/admin.py

@@ -0,0 +1,60 @@
+"""
+app/routers/admin.py — Admin-/Monitoring-Endpunkte (optional)
+
+Zweck:
+    Liefert einfache Kennzahlen zu Collections (Counts) und Config.
+Kompatibilität:
+    Python 3.12+, FastAPI 0.110+, qdrant-client 1.x
+Version:
+    0.1.0  (Erstanlage)
+Stand:
+    2025-10-07
+Bezug:
+    - Qdrant Collections: *_notes, *_chunks, *_edges
+Nutzung:
+    app.include_router(admin.router, prefix="/admin", tags=["admin"])
+Änderungsverlauf:
+    0.1.0 (2025-10-07) – Erstanlage.
+"""
+
+from __future__ import annotations
+from fastapi import APIRouter
+from qdrant_client import QdrantClient
+from app.config import get_settings
+
+router = APIRouter()
+
+@router.get("/stats")
+def stats():
+    s = get_settings()
+    client = QdrantClient(url=s.QDRANT_URL, api_key=s.QDRANT_API_KEY)
+    notes = f"{s.COLLECTION_PREFIX}_notes"
+    chunks = f"{s.COLLECTION_PREFIX}_chunks"
+    edges = f"{s.COLLECTION_PREFIX}_edges"
+
+    def _count(col: str) -> int:
+        try:
+            return client.count(collection_name=col, exact=True).count
+        except Exception:
+            return -1
+
+    return {
+        "collections": {
+            "notes": {"name": notes, "count": _count(notes)},
+            "chunks": {"name": chunks, "count": _count(chunks)},
+            "edges": {"name": edges, "count": _count(edges)},
+        },
+        "config": {
+            "qdrant": s.QDRANT_URL,
+            "prefix": s.COLLECTION_PREFIX,
+            "vector_size": s.VECTOR_SIZE,
+            "distance": s.DISTANCE,
+            "retriever": {
+                "w_sem": s.RETRIEVER_W_SEM,
+                "w_edge": s.RETRIEVER_W_EDGE,
+                "w_cent": s.RETRIEVER_W_CENT,
+                "top_k": s.RETRIEVER_TOP_K,
+                "expand_depth": s.RETRIEVER_EXPAND_DEPTH,
+            },
+        },
+    }