补齐移动壳扫码单测

移动壳 scanner helper 增加独立单测覆盖

原生壳结构门禁登记移动扫码测试

宿主壳文档和共享决策同步扫码测试边界

apps/mobile-shell/scripts/check-config.mjs

@@ -78,6 +78,11 @@ const protocolPath = new URL('../src/host-bridge/protocol.ts', import.meta.url);
 const protocolSource = fs.readFileSync(protocolPath, 'utf8');
 const scannerPath = new URL('../src/host-bridge/scanner.ts', import.meta.url);
 const scannerSource = fs.readFileSync(scannerPath, 'utf8');
+const scannerTestPath = new URL(
+  '../src/host-bridge/scanner.test.ts',
+  import.meta.url,
+);
+const scannerTestSource = fs.readFileSync(scannerTestPath, 'utf8');
 const hostBridgeRuntimePath = new URL('../src/host-bridge/runtime.ts', import.meta.url);
 const hostBridgeRuntimeSource = fs.readFileSync(hostBridgeRuntimePath, 'utf8');
 const hostBridgeRuntimeTestPath = new URL(
@@ -2092,6 +2097,24 @@ for (const scannerSnippet of [
     throw new Error(`mobile shell QR scanner module missing ${scannerSnippet}`);
   }
 }
+for (const scannerTestSnippet of [
+  'subscribeQrScannerState',
+  'scanQrCode',
+  'scanMobileHostBridgeQrCode',
+  'completeQrCodeScan',
+  'cancelQrCodeScan',
+  'failQrCodeScan',
+  'qr scanner already active',
+  'camera permission denied',
+  'qr scan cancelled',
+  'PZ-00000001',
+]) {
+  if (!scannerTestSource.includes(scannerTestSnippet)) {
+    throw new Error(
+      `mobile shell QR scanner helper test missing ${scannerTestSnippet}`,
+    );
+  }
+}
 
 const capabilityQuerySnippet = "capabilities: MOBILE_HOST_CAPABILITIES";
 if (shellAppSource.includes(capabilityQuerySnippet)) {