fix serve

api.py

@@ -195,6 +195,13 @@ def _serve_pwa_index() -> HTMLResponse:
     raise HTTPException(status_code=503, detail="Frontend non disponibile.")
 
 
+def _serve_pwa_file(filename: str, media_type: str | None = None) -> FileResponse:
+    path = PWA_DIST_DIR / filename
+    if not path.exists() or not path.is_file():
+        raise HTTPException(status_code=404, detail=f"File statico non trovato: {filename}")
+    return FileResponse(path=str(path), media_type=media_type)
+
+
 def _format_datetime_display(value: Any) -> Any:
     raw_value = str(value or "").strip()
     if not raw_value:
@@ -224,7 +231,7 @@ def _normalize_image_path(raw_path: str) -> str:
 
 FAISS_CONFIDENCE_THRESHOLD = float(os.getenv("FAISS_CONFIDENCE_THRESHOLD", "0.82"))
 FAISS_AMBIGUITY_MARGIN = float(os.getenv("FAISS_AMBIGUITY_MARGIN", "0.015"))
-RRF_AMBIGUITY_MARGIN = float(os.getenv("RRF_AMBIGUITY_MARGIN", "0.0015"))
+RRF_AMBIGUITY_MARGIN = float(os.getenv("RRF_AMBIGUITY_MARGIN", "0.0025"))
 FORCE_OPENAI_FALLBACK = os.getenv("FORCE_OPENAI_FALLBACK", "0").strip().lower() in {
     "1", "true", "yes", "on"
 }
@@ -1055,6 +1062,18 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
+# Serve PWA static assets generated by Vite build.
+app.mount(
+    "/assets",
+    StaticFiles(directory=str(PWA_DIST_DIR / "assets"), check_dir=False),
+    name="pwa-assets",
+)
+app.mount(
+    "/icons",
+    StaticFiles(directory=str(PWA_DIST_DIR / "icons"), check_dir=False),
+    name="pwa-icons",
+)
+
 
 def get_search_backend_status():
     checks: dict[str, str] = {}
@@ -1634,6 +1653,26 @@ def search_status():
     return get_search_backend_status()
 
 
+@app.get("/sw.js")
+def pwa_sw_js():
+    return _serve_pwa_file("sw.js", media_type="application/javascript")
+
+
+@app.get("/registerSW.js")
+def pwa_register_sw_js():
+    return _serve_pwa_file("registerSW.js", media_type="application/javascript")
+
+
+@app.get("/manifest.webmanifest")
+def pwa_manifest():
+    return _serve_pwa_file("manifest.webmanifest", media_type="application/manifest+json")
+
+
+@app.get("/favicon.ico")
+def pwa_favicon():
+    return _serve_pwa_file("favicon.ico", media_type="image/x-icon")
+
+
 @app.get("/species/previews")
 def species_previews(
     names: list[str] = Query(default=[], description="Nomi specie da risolvere per anteprima immagine"),