fix: /favicon.ico 라우트 제공

- ncue 카드/브라우저가 직접 요청하는 /favicon.ico를 static/favicon.ico로 서빙

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -9,7 +9,7 @@ import psycopg2
 import requests
 from bs4 import BeautifulSoup
 from dotenv import load_dotenv
-from flask import Flask, jsonify, make_response, render_template, request
+from flask import Flask, jsonify, make_response, render_template, request, send_from_directory
 
 load_dotenv()
 
@@ -299,6 +299,17 @@ def index():
     return _maybe_set_ref_cookies(resp)
 
 
+@app.get("/favicon.ico")
+def favicon():
+    # ncue.net 등에서 /favicon.ico 로 직접 가져갈 수 있게 제공
+    return send_from_directory(
+        app.static_folder,
+        "favicon.ico",
+        mimetype="image/x-icon",
+        max_age=60 * 60 * 24 * 7,
+    )
+
+
 @app.get("/links")
 def get_links():
     limit = _clamp_int(