Prints de diagnóstico en el boot (Space colgado en APP_STARTING)

src/racing_reports/web/app.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+print("[boot] web.app: arrancando imports", flush=True)
+
 import json
 import mimetypes
 from datetime import date
@@ -11,6 +13,8 @@ from fastapi import FastAPI, Form, HTTPException, Request
 from fastapi.responses import FileResponse, HTMLResponse, RedirectResponse
 from fastapi.templating import Jinja2Templates
 
+print("[boot] fastapi/uvicorn importados", flush=True)
+
 from racing_reports import vendor_env
 from racing_reports.api import jobs as jobs_mod
 from racing_reports.api.routes_jobs import router as api_jobs_router
@@ -24,6 +28,8 @@ from racing_reports.match_index import MatchIndex
 from racing_reports.models import ReportRequest
 from racing_reports.runner import ReportRunner
 
+print("[boot] módulos racing_reports importados", flush=True)
+
 DEFAULT_LEAGUE = "Spanish Segunda Division"
 DEFAULT_SEASON = "25-26"
 REPORT_LABELS = {
@@ -296,6 +302,7 @@ def main() -> None:
     import os
 
     port = int(os.getenv("PORT", "7860"))
+    print(f"[boot] lanzando uvicorn en :{port}", flush=True)
     # forwarded_allow_ips="*" hace que uvicorn respete X-Forwarded-Proto del proxy
     # de HF Spaces (termina TLS antes del container). Sin esto, request.url.scheme
     # queda como "http" aunque el cliente llegue por HTTPS, y la cookie de auth se