fix: route telegram vision through ollama first

app.py

@@ -29,7 +29,7 @@ except OSError as e:
 
 # ================= 🔧 2. 核心模組導入 =================
 try:
-    from flask import Flask, render_template, jsonify, request, send_file, redirect, url_for, send_from_directory, flash, session
+    from flask import Flask, render_template, jsonify, request, send_file, redirect, url_for, flash, session
     from werkzeug.utils import secure_filename
     from pyngrok import ngrok, conf
     import schedule
@@ -146,16 +146,6 @@ def add_static_asset_version(endpoint, values):
         values['v'] = SYSTEM_VERSION
 
 
-@app.route('/favicon.ico')
-def favicon():
-    """使用既有品牌圖示回應瀏覽器預設 favicon 探測，避免全站 404 噪音。"""
-    return send_from_directory(
-        os.path.join(STATIC_DIR, 'images'),
-        'logo_circle.svg',
-        mimetype='image/svg+xml',
-        max_age=604800,
-    )
-
 # ==========================================
 # 🔒 Flask 安全配置
 # ==========================================