Device info endpoint + richer node summaries (GET /api/device, MCP device_info) (#13)

src/mesh/mesh.controller.ts

@@ -13,6 +13,7 @@ import {
   ApiResponse,
   ApiTags,
 } from '@nestjs/swagger';
+import type { DeviceInfo } from './mesh.service.js';
 import { MeshService } from './mesh.service.js';
 
 export class SendTextDto {
@@ -104,6 +105,51 @@ export class MeshController {
     return this.mesh.channels();
   }
 
+  @Get('device')
+  @ApiOperation({
+    summary: 'Device info (metadata + config, keys redacted)',
+    description:
+      'This device\'s node number, firmware version and metadata, plus per-section config and module-config messages captured during the initial sync; empty until it completes. Key material is never exposed: security publicKey/privateKey/adminKey and network wifiPsk are replaced with "REDACTED". In-memory only, reset on every bridge reconnect.',
+  })
+  @ApiResponse({
+    status: 200,
+    description: 'Device info',
+    example: {
+      myNodeNum: 123456789,
+      firmwareVersion: '2.7.0.1',
+      metadata: {
+        firmwareVersion: '2.7.0.1',
+        deviceStateVersion: 1,
+        canShutdown: true,
+        hasWifi: false,
+        hasBluetooth: true,
+        hasEthernet: false,
+        role: 3,
+        positionFlags: 65,
+        hwModel: 42,
+        hasRemoteHardware: false,
+        hasPKC: true,
+        excludedModules: 0,
+      },
+      localConfig: {
+        device: { role: 3, buttonGpio: 13 },
+        security: {
+          publicKey: 'REDACTED',
+          privateKey: 'REDACTED',
+          adminKey: 'REDACTED',
+          isManaged: true,
+        },
+        network: { wifiEnabled: false, wifiSsid: '', wifiPsk: 'REDACTED' },
+      },
+      moduleConfig: {
+        telemetry: { environmentUpdateInterval: 900 },
+      },
+    },
+  })
+  device(): DeviceInfo {
+    return this.mesh.deviceInfo();
+  }
+
   @Get('messages')
   @ApiOperation({
     summary: 'Message history (last 100)',
@@ -141,7 +187,7 @@ export class MeshController {
   @ApiOperation({
     summary: 'Known mesh nodes (lean summaries)',
     description:
-      'Node database collected during the initial sync plus live POSITION_APP updates; reset on every bridge reconnect. Names, hwModel and batteryLevel appear only when the device reported them.',
+      'Node database collected during the initial sync plus live POSITION_APP updates; reset on every bridge reconnect. Names, hwModel and batteryLevel appear only when the device reported them; snr/hopsAway/viaMqtt only when carried by the NodeInfo.',
   })
   @ApiResponse({
     status: 200,
@@ -155,6 +201,9 @@ export class MeshController {
         batteryLevel: 87,
         lastHeard: 1758000000,
         position: { lat: 52.1049637, lon: 20.9833152, alt: 123 },
+        snr: -2.5,
+        hopsAway: 1,
+        viaMqtt: true,
       },
     ],
   })