Add resilient dual-radio network failover

server/src/config.ts

@@ -17,6 +17,9 @@ const schema = z.object({
   ALLOWED_ORIGINS: z.string().default("http://mg4pi.local:8787"),
   UPDATE_STATUS_PATH: z.string().default("/var/lib/pi-car-companion/update-status.json"),
   VERSION_FILE: z.string().default(resolve("REVISION")),
+  NETWORK_MANAGER_ENABLED: booleanFromString,
+  NETWORK_STATUS_PATH: z.string().default("/var/lib/pi-car-companion/network-status.json"),
+  NETWORK_COMMAND_PATH: z.string().default("/var/lib/pi-car-companion/network-command.json"),
   ADB_ENABLED: booleanFromString,
   ADB_PATH: z.string().min(1).default("adb"),
   ADB_SERIAL: z.string().max(128).regex(/^[a-zA-Z0-9._:-]*$/).default(""),
@@ -33,6 +36,11 @@ export type AppConfig = {
   allowedOrigins: ReadonlySet<string>;
   updateStatusPath: string;
   versionFile: string;
+  network: {
+    enabled: boolean;
+    statusPath: string;
+    commandPath: string;
+  };
   adb: AdbConfig;
 };
 
@@ -60,6 +68,11 @@ export function loadConfig(environment: NodeJS.ProcessEnv = process.env): AppCon
     allowedOrigins,
     updateStatusPath: parsed.UPDATE_STATUS_PATH,
     versionFile: parsed.VERSION_FILE,
+    network: {
+      enabled: parsed.NETWORK_MANAGER_ENABLED,
+      statusPath: parsed.NETWORK_STATUS_PATH,
+      commandPath: parsed.NETWORK_COMMAND_PATH
+    },
     adb: {
       enabled: parsed.ADB_ENABLED,
       executable: parsed.ADB_PATH,