Add local settings management

Add cellular-first ntfy delivery with WiFi fallback and safe SIM868 HTTP header framing.

Co-authored-by: Copilot <[email protected]>

app.py

@@ -1,5 +1,5 @@
 from flask import Flask, render_template, make_response, json, jsonify, request, send_file
-from modules import app_gps, app_events, app_car, app_account, app_gps,app_obd, app_sql, app_dash, app_upload, app_video, app_health, app_alerts
+from modules import app_gps, app_events, app_car, app_account, app_gps,app_obd, app_sql, app_dash, app_upload, app_video, app_health, app_alerts, app_settings
 import os, time
 from gevent.pywsgi import WSGIServer
 
@@ -33,6 +33,19 @@ def dash():
 def history():
     return render_template('history.html', account=account, car=car)
 
+@app.route('/settings')
+def settings():
+    return render_template('settings.html', account=account, car=car)
+
+@app.route('/api/settings', methods=['GET', 'POST'])
+def api_settings():
+    if request.method == 'GET':
+        return jsonify(app_settings.get_settings())
+    errors = app_settings.update_settings(request.get_json(silent=True))
+    if errors:
+        return jsonify(error="Invalid settings.", fields=errors), 400
+    return jsonify(app_settings.get_settings())
+
 @app.route('/api/trips')
 def trips():
     return jsonify({"trips": app_sql.list_trips()})
@@ -152,9 +165,9 @@ def alert_status():
 @app.route('/api/upload/dashcam_toggle', methods=['POST'])
 def upload_dashcam_toggle():
     body = request.get_json(silent=True) or {}
-    if "enabled" not in body:
+    if not isinstance(body.get("enabled"), bool):
         return jsonify(error="expected JSON body {'enabled': true|false}"), 400
-    app_upload.set_dashcam_upload_enabled(bool(body["enabled"]))
+    app_upload.set_dashcam_upload_enabled(body["enabled"])
     return jsonify(app_upload.get_status())
 
 # not sure if im gonna use this