[red] require synchronized app 0.2.0 identity

Signed-off-by: Viwat Vchirawongkwin <viwat.v@chula.ac.th>

Author: yyods

app/test/integration/github_import_integration_test.dart

@@ -12,6 +12,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/testing.dart';
 
+import 'package:pyble/app/app_info.dart';
 import 'package:pyble/github_import/github_import.dart';
 import 'package:pyble/pble/pble.dart';
 
@@ -136,7 +137,7 @@ void _expectUnauthenticatedApiRequest(
   expect(request.maxRedirects, 0);
   expect(request.headers['Accept'], 'application/vnd.github+json');
   expect(request.headers['X-GitHub-Api-Version'], '2026-03-10');
-  expect(request.headers['User-Agent'], startsWith('PyBLE/'));
+  expect(request.headers['User-Agent'], '$kAppName/$kAppVersion');
   final Set<String> headerNames = request.headers.keys
       .map((String name) => name.toLowerCase())
       .toSet();

app/test/unit/app_version_contract_test.dart

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: MIT
+// Part of PyBLE (https://pyble.dev) — see /LICENSE.
+//
+// BLD-3 [red] — one mechanically checked app identity spans package metadata,
+// PBLE/1 HELLO, and public GitHub requests (ADR-0044).
+
+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:pyble/app/app_info.dart';
+
+import '../support/repo_paths.dart';
+
+void main() {
+  test('app 0.2.0 beta starts at globally monotonic build 5', () {
+    final String pubspec = File(
+      '${appPackageRoot().path}/pubspec.yaml',
+    ).readAsStringSync();
+    final List<RegExpMatch> declarations = RegExp(
+      r'^version:\s*((?:0|[1-9]\d*)\.(?:0|[1-9]\d*)\.(?:0|[1-9]\d*))\+([1-9]\d*)\s*$',
+      multiLine: true,
+    ).allMatches(pubspec).toList(growable: false);
+
+    expect(
+      declarations,
+      hasLength(1),
+      reason: 'pubspec must declare one canonical SemVer+positiveBuild value',
+    );
+    final RegExpMatch declaration = declarations.single;
+
+    expect(declaration.group(1), '0.2.0');
+    expect(declaration.group(2), '5');
+    expect(
+      kAppVersion,
+      declaration.group(1),
+      reason: 'PBLE/1 HELLO must match the package base version exactly',
+    );
+  });
+}

app/test/unit/github_repository_client_test.dart

@@ -14,6 +14,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/testing.dart';
 
+import 'package:pyble/app/app_info.dart';
 import 'package:pyble/github_import/github_import.dart';
 
 const String _commitSha = '1111111111111111111111111111111111111111';
@@ -89,7 +90,7 @@ void _expectGitHubRequest(http.Request request) {
   expect(request.url.hasPort, isFalse);
   expect(request.headers['Accept'], 'application/vnd.github+json');
   expect(request.headers['X-GitHub-Api-Version'], '2026-03-10');
-  expect(request.headers['User-Agent'], startsWith('PyBLE/'));
+  expect(request.headers['User-Agent'], '$kAppName/$kAppVersion');
   expect(request.headers.containsKey('Authorization'), isFalse);
   expect(request.headers.containsKey('Cookie'), isFalse);
 }