PostHogとの接続・ログ送信コードを追加

app/main.py

@@ -11,6 +11,8 @@ from pydantic import BaseModel
 
 from dotenv import load_dotenv
 
+from posthog import Posthog
+
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
 sys.path.append(os.path.dirname(__file__))
 
@@ -27,6 +29,8 @@ API_KEY_NAME = "X-API-KEY"
 API_SECRET_KEY = os.getenv("API_SECRET_KEY")
 api_key_header = APIKeyHeader(name=API_KEY_NAME, auto_error=True)
 
+POSTHOG_PROJECT_API_KEY = os.getenv("POSTHOG_PROJECT_API_KEY")
+
 
 async def get_api_key(key: str = Security(api_key_header)):
     """APIキーを検証する依存関係"""
@@ -54,6 +58,11 @@ async def lifespan(app: FastAPI):
 
 app = FastAPI(lifespan=lifespan)
 
+# PostHog（ログ分析）
+posthog = Posthog(
+    project_api_key=POSTHOG_PROJECT_API_KEY, host="https://us.i.posthog.com"
+)
+
 
 @app.get("/", include_in_schema=False)
 def root():
@@ -125,4 +134,15 @@ def search(request: SearchRequest):
         )
     pairs = result  # type: ignore
     ids = [pid for pid, _ in pairs]
+
+    # ログ送信
+    posthog.capture(
+        event="projects searched",
+        properties={
+            "query": request.query,
+            "result_count": len(ids),
+            "$process_person_profile": False,
+        },
+    )
+
     return schema_projects.ProjectIds(projectIds=ids)