docs: add Agent API docs, OpenAPI field descriptions, and project context files

server/app.py

@@ -57,7 +57,12 @@ async def lifespan(app: FastAPI):
     yield
 
 
-app = FastAPI(title="TakeYourMeds", version=settings.app_version, lifespan=lifespan)
+app = FastAPI(
+    title="TakeYourMeds",
+    description="Persönliche Medikamenten-PWA mit Push-Erinnerungen, Einnahme-Logging und Agent-API.",
+    version=settings.app_version,
+    lifespan=lifespan,
+)
 app.add_middleware(CacheControlMiddleware)
 
 # API routers
@@ -70,6 +75,7 @@ app.include_router(stats.router)
 app.include_router(health.router)
 app.include_router(agent.router)
 
+
 # Backwards-compatible VAPID endpoint used by older clients
 @app.get("/api/vapid-public-key")
 async def vapid_public_key_legacy() -> JSONResponse: