Add phone hotspot uplink

Prefer a configured phone hotspot for outbound synchronization, preserve secure write-only credentials, and recover through home WiFi or the local Pi hotspot.

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, app_settings
+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, app_network
 import os, time
 from gevent.pywsgi import WSGIServer
 
@@ -46,6 +46,38 @@ def api_settings():
         return jsonify(error="Invalid settings.", fields=errors), 400
     return jsonify(app_settings.get_settings())
 
+@app.route('/api/uplink/status')
+def uplink_status():
+    try:
+        return jsonify(app_network.get_status())
+    except app_network.NetworkConfigurationError as error:
+        return jsonify(error=str(error)), 503
+
+@app.route('/api/uplink/config', methods=['POST', 'DELETE'])
+def uplink_config():
+    try:
+        if request.method == 'DELETE':
+            app_network.remove_phone_hotspot()
+        else:
+            body = request.get_json(silent=True)
+            if not isinstance(body, dict):
+                return jsonify(error="Expected a JSON object."), 400
+            app_network.configure_phone_hotspot(
+                body.get("ssid"),
+                body.get("password"),
+            )
+        return jsonify(app_network.get_status())
+    except app_network.NetworkConfigurationError as error:
+        return jsonify(error=str(error)), 400
+
+@app.route('/api/uplink/connect', methods=['POST'])
+def uplink_connect():
+    try:
+        app_network.request_phone_connection()
+    except app_network.NetworkConfigurationError as error:
+        return jsonify(error=str(error)), 503
+    return jsonify(status="connection_requested"), 202
+
 @app.route('/api/trips')
 def trips():
     return jsonify({"trips": app_sql.list_trips()})