"""FastAPI application entry point.

Importing this module must NOT require a live database connection (the engine is
created lazily in :mod:`app.db.session`), so the OpenAPI schema can be exported
offline.
"""

from __future__ import annotations

from fastapi import FastAPI

from app.api.funnels import router as funnels_router

app = FastAPI(
    title="hs-data API",
    version="0.1.0",
    description=(
        "Group-buy (拼团) funnel service over ads_trd_group_funnel_daily "
        "(single day, full history) + ads_trd_group_funnel_rolling (7d/30d)."
    ),
)

app.include_router(funnels_router)


@app.get("/health", tags=["meta"])
async def health() -> dict[str, str]:
    """Liveness probe. Does not touch the database."""
    return {"status": "ok"}