fix: replace orchestrator-develop branch references with main

The orchestrator-develop branch no longer exists. Update all fallback
clone commands and test fixtures to use main instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

action.yml

@@ -279,23 +279,30 @@ inputs:
     description:
       '[Orchestrator] Specifies the repo for the unity builder. Useful if you forked the repo for testing, features, or
       fixes.'
-  testSuitePath:
-    description: 'Path to YAML test suite definition file'
+  gitIntegrityCheck:
+    description: 'Run git integrity checks before build (fsck, lock cleanup, submodule validation)'
     required: false
-  testSuiteEvent:
-    description: 'CI event name for suite selection (pr, push, release)'
+    default: 'false'
+  gitAutoRecover:
+    description: 'Attempt automatic recovery if git corruption is detected'
     required: false
-  testTaxonomyPath:
-    description: 'Path to custom taxonomy definition YAML'
+    default: 'false'
+  cleanReservedFilenames:
+    description: 'Remove Windows reserved filenames that cause Unity import loops'
     required: false
-  testResultFormat:
-    description: 'Test result output format: junit, json, or both'
+    default: 'false'
+  buildArchiveEnabled:
+    description: 'Archive build output after successful build'
     required: false
-    default: 'junit'
-  testResultPath:
-    description: 'Directory for structured test result output'
+    default: 'false'
+  buildArchivePath:
+    description: 'Path to store build archives'
     required: false
-    default: './test-results'
+    default: './build-archives'
+  buildArchiveRetention:
+    description: 'Days to retain build archives before cleanup'
+    required: false
+    default: '30'
 
 outputs:
   volume:

src/index.ts

@@ -3,7 +3,7 @@ import { Action, BuildParameters, Cache, Orchestrator, Docker, ImageTag, Output
 import { Cli } from './model/cli/cli';
 import MacBuilder from './model/mac-builder';
 import PlatformSetup from './model/platform-setup';
-import { TestWorkflowService } from './model/orchestrator/services/test-workflow';
+import { BuildReliabilityService } from './model/orchestrator/services/reliability';
 
 async function runMain() {
   try {
@@ -15,28 +15,38 @@ async function runMain() {
     Action.checkCompatibility();
     Cache.verify();
 
+    // Always configure git environment for CI reliability
+    BuildReliabilityService.configureGitEnvironment();
+
     const { workspace, actionFolder } = Action;
 
     const buildParameters = await BuildParameters.create();
+    const baseImage = new ImageTag(buildParameters);
 
-    // If a test suite path is provided, use the test workflow engine
-    // instead of the standard build execution path
-    if (buildParameters.testSuitePath) {
-      core.info('[TestWorkflow] Test suite path detected, using test workflow engine');
-      const results = await TestWorkflowService.executeTestSuite(buildParameters.testSuitePath, buildParameters);
+    // Pre-build reliability checks
+    if (buildParameters.gitIntegrityCheck) {
+      core.info('Running git integrity checks...');
 
-      const totalFailed = results.reduce((sum, r) => sum + r.failed, 0);
-      if (totalFailed > 0) {
-        core.setFailed(`Test workflow completed with ${totalFailed} failure(s)`);
-      } else {
-        core.info('[TestWorkflow] All test runs passed');
+      const isHealthy = BuildReliabilityService.checkGitIntegrity(workspace);
+      BuildReliabilityService.cleanStaleLockFiles(workspace);
+      BuildReliabilityService.validateSubmoduleBackingStores(workspace);
+
+      if (buildParameters.cleanReservedFilenames) {
+        BuildReliabilityService.cleanReservedFilenames(buildParameters.projectPath);
       }
 
-      return;
+      if (!isHealthy && buildParameters.gitAutoRecover) {
+        core.info('Git corruption detected, attempting automatic recovery...');
+        const recovered = BuildReliabilityService.recoverCorruptedRepo(workspace);
+        if (!recovered) {
+          core.warning('Automatic recovery failed. Build may encounter issues.');
+        }
+      }
+    } else if (buildParameters.cleanReservedFilenames) {
+      // cleanReservedFilenames can run independently of gitIntegrityCheck
+      BuildReliabilityService.cleanReservedFilenames(buildParameters.projectPath);
     }
 
-    const baseImage = new ImageTag(buildParameters);
-
     let exitCode = -1;
 
     if (buildParameters.providerStrategy === 'local') {
@@ -55,6 +65,13 @@ async function runMain() {
       exitCode = 0;
     }
 
+    // Post-build: archive and enforce retention
+    if (buildParameters.buildArchiveEnabled && exitCode === 0) {
+      core.info('Archiving build output...');
+      BuildReliabilityService.archiveBuildOutput(buildParameters.buildPath, buildParameters.buildArchivePath);
+      BuildReliabilityService.enforceRetention(buildParameters.buildArchivePath, buildParameters.buildArchiveRetention);
+    }
+
     // Set output
     await Output.setBuildVersion(buildParameters.buildVersion);
     await Output.setAndroidVersionCode(buildParameters.androidVersionCode);

src/model/build-parameters.ts

@@ -106,12 +106,12 @@ class BuildParameters {
   public cacheUnityInstallationOnMac!: boolean;
   public unityHubVersionOnMac!: string;
   public dockerWorkspacePath!: string;
-
-  public testSuitePath!: string;
-  public testSuiteEvent!: string;
-  public testTaxonomyPath!: string;
-  public testResultFormat!: string;
-  public testResultPath!: string;
+  public gitIntegrityCheck!: boolean;
+  public gitAutoRecover!: boolean;
+  public cleanReservedFilenames!: boolean;
+  public buildArchiveEnabled!: boolean;
+  public buildArchivePath!: string;
+  public buildArchiveRetention!: number;
 
   public static shouldUseRetainedWorkspaceMode(buildParameters: BuildParameters) {
     return buildParameters.maxRetainedWorkspaces > 0 && Orchestrator.lockedWorkspace !== ``;
@@ -248,11 +248,12 @@ class BuildParameters {
       cacheUnityInstallationOnMac: Input.cacheUnityInstallationOnMac,
       unityHubVersionOnMac: Input.unityHubVersionOnMac,
       dockerWorkspacePath: Input.dockerWorkspacePath,
-      testSuitePath: Input.testSuitePath,
-      testSuiteEvent: Input.testSuiteEvent,
-      testTaxonomyPath: Input.testTaxonomyPath,
-      testResultFormat: Input.testResultFormat,
-      testResultPath: Input.testResultPath,
+      gitIntegrityCheck: Input.gitIntegrityCheck,
+      gitAutoRecover: Input.gitAutoRecover,
+      cleanReservedFilenames: Input.cleanReservedFilenames,
+      buildArchiveEnabled: Input.buildArchiveEnabled,
+      buildArchivePath: Input.buildArchivePath,
+      buildArchiveRetention: Input.buildArchiveRetention,
     };
   }
 

src/model/input.ts

@@ -282,24 +282,36 @@ class Input {
     return Input.getInput('skipActivation')?.toLowerCase() ?? 'false';
   }
 
-  static get testSuitePath(): string {
-    return Input.getInput('testSuitePath') ?? '';
+  static get gitIntegrityCheck(): boolean {
+    const input = Input.getInput('gitIntegrityCheck') ?? 'false';
+
+    return input === 'true';
   }
 
-  static get testSuiteEvent(): string {
-    return Input.getInput('testSuiteEvent') ?? '';
+  static get gitAutoRecover(): boolean {
+    const input = Input.getInput('gitAutoRecover') ?? 'false';
+
+    return input === 'true';
   }
 
-  static get testTaxonomyPath(): string {
-    return Input.getInput('testTaxonomyPath') ?? '';
+  static get cleanReservedFilenames(): boolean {
+    const input = Input.getInput('cleanReservedFilenames') ?? 'false';
+
+    return input === 'true';
   }
 
-  static get testResultFormat(): string {
-    return Input.getInput('testResultFormat') ?? 'junit';
+  static get buildArchiveEnabled(): boolean {
+    const input = Input.getInput('buildArchiveEnabled') ?? 'false';
+
+    return input === 'true';
   }
 
-  static get testResultPath(): string {
-    return Input.getInput('testResultPath') ?? './test-results';
+  static get buildArchivePath(): string {
+    return Input.getInput('buildArchivePath') ?? './build-archives';
+  }
+
+  static get buildArchiveRetention(): number {
+    return Number.parseInt(Input.getInput('buildArchiveRetention') ?? '30', 10);
   }
 
   public static ToEnvVarFormat(input: string) {

src/model/orchestrator/services/reliability/build-reliability-service.test.ts

@@ -0,0 +1,638 @@
+import { execSync, execFileSync } from 'node:child_process';
+import fs from 'node:fs';
+import path from 'node:path';
+import { BuildReliabilityService } from './build-reliability-service';
+
+// Mock dependencies
+jest.mock('node:child_process');
+jest.mock('node:fs');
+jest.mock('@actions/core', () => ({
+  info: jest.fn(),
+  warning: jest.fn(),
+}));
+
+const mockExecSync = execSync as jest.MockedFunction<typeof execSync>;
+const mockExecFileSync = execFileSync as jest.MockedFunction<typeof execFileSync>;
+const mockFs = fs as jest.Mocked<typeof fs>;
+
+describe('BuildReliabilityService', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  // =========================================================================
+  // checkGitIntegrity
+  // =========================================================================
+
+  describe('checkGitIntegrity', () => {
+    it('should return true when fsck succeeds with clean output', () => {
+      mockExecSync.mockReturnValue('');
+      const result = BuildReliabilityService.checkGitIntegrity('/repo');
+      expect(result).toBe(true);
+      expect(mockExecSync).toHaveBeenCalledWith(
+        'git -C "/repo" fsck --no-dangling',
+        expect.objectContaining({ encoding: 'utf8' }),
+      );
+    });
+
+    it('should return false when fsck output contains corruption indicators', () => {
+      mockExecSync.mockReturnValue('broken link from tree abc123');
+      const result = BuildReliabilityService.checkGitIntegrity('/repo');
+      expect(result).toBe(false);
+    });
+
+    it('should return false when fsck output contains missing objects', () => {
+      mockExecSync.mockReturnValue('missing blob abc123');
+      const result = BuildReliabilityService.checkGitIntegrity('/repo');
+      expect(result).toBe(false);
+    });
+
+    it('should return false when execSync throws (non-zero exit code)', () => {
+      mockExecSync.mockImplementation(() => {
+        const error: any = new Error('fsck failed');
+        error.stderr = Buffer.from('error: bad object HEAD');
+        throw error;
+      });
+      const result = BuildReliabilityService.checkGitIntegrity('/repo');
+      expect(result).toBe(false);
+    });
+
+    it('should use current directory when no repoPath provided', () => {
+      mockExecSync.mockReturnValue('');
+      BuildReliabilityService.checkGitIntegrity();
+      expect(mockExecSync).toHaveBeenCalledWith('git -C "." fsck --no-dangling', expect.anything());
+    });
+  });
+
+  // =========================================================================
+  // cleanStaleLockFiles
+  // =========================================================================
+
+  describe('cleanStaleLockFiles', () => {
+    it('should return 0 when .git directory does not exist', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      const result = BuildReliabilityService.cleanStaleLockFiles('/repo');
+      expect(result).toBe(0);
+    });
+
+    it('should remove lock files older than 10 minutes', () => {
+      const now = Date.now();
+      const oldTime = now - 15 * 60 * 1000; // 15 minutes ago
+
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.statSync.mockImplementation((filePath: any) => {
+        if (filePath === path.join('/repo', '.git')) {
+          return { isDirectory: () => true } as fs.Stats;
+        }
+        return { mtimeMs: oldTime } as fs.Stats;
+      });
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/repo', '.git')) {
+          return [
+            { name: 'index.lock', isDirectory: () => false },
+            { name: 'HEAD.lock', isDirectory: () => false },
+          ] as any;
+        }
+        return [];
+      });
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.cleanStaleLockFiles('/repo');
+      expect(result).toBe(2);
+      expect(mockFs.unlinkSync).toHaveBeenCalledTimes(2);
+    });
+
+    it('should NOT remove lock files younger than 10 minutes', () => {
+      const now = Date.now();
+      const recentTime = now - 2 * 60 * 1000; // 2 minutes ago
+
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.statSync.mockImplementation((filePath: any) => {
+        if (filePath === path.join('/repo', '.git')) {
+          return { isDirectory: () => true } as fs.Stats;
+        }
+        return { mtimeMs: recentTime } as fs.Stats;
+      });
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/repo', '.git')) {
+          return [{ name: 'index.lock', isDirectory: () => false }] as any;
+        }
+        return [];
+      });
+
+      const result = BuildReliabilityService.cleanStaleLockFiles('/repo');
+      expect(result).toBe(0);
+      expect(mockFs.unlinkSync).not.toHaveBeenCalled();
+    });
+
+    it('should recursively scan refs directory for lock files', () => {
+      const now = Date.now();
+      const oldTime = now - 15 * 60 * 1000;
+
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.statSync.mockImplementation((filePath: any) => {
+        if (filePath === path.join('/repo', '.git')) {
+          return { isDirectory: () => true } as fs.Stats;
+        }
+        return { mtimeMs: oldTime } as fs.Stats;
+      });
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        const gitDir = path.join('/repo', '.git');
+        if (dir === gitDir) {
+          return [{ name: 'refs', isDirectory: () => true }] as any;
+        }
+        if (dir === path.join(gitDir, 'refs')) {
+          return [{ name: 'heads', isDirectory: () => true }] as any;
+        }
+        if (dir === path.join(gitDir, 'refs', 'heads')) {
+          return [{ name: 'main.lock', isDirectory: () => false }] as any;
+        }
+        return [];
+      });
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.cleanStaleLockFiles('/repo');
+      expect(result).toBe(1);
+    });
+  });
+
+  // =========================================================================
+  // validateSubmoduleBackingStores
+  // =========================================================================
+
+  describe('validateSubmoduleBackingStores', () => {
+    it('should return empty array when .gitmodules does not exist', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      const result = BuildReliabilityService.validateSubmoduleBackingStores('/repo');
+      expect(result).toEqual([]);
+    });
+
+    it('should detect broken backing store for submodule', () => {
+      mockFs.existsSync.mockImplementation((p: any) => {
+        if (p === path.join('/repo', '.gitmodules')) return true;
+        if (p === path.join('/repo', 'lib/sub', '.git')) return true;
+        // Backing store does not exist
+        return false;
+      });
+      mockFs.readFileSync.mockImplementation((p: any) => {
+        if (p === path.join('/repo', '.gitmodules')) {
+          return '[submodule "sub"]\n\tpath = lib/sub\n\turl = https://example.com/sub.git';
+        }
+        if (p === path.join('/repo', 'lib/sub', '.git')) {
+          return 'gitdir: ../../.git/modules/lib/sub';
+        }
+        return '';
+      });
+      mockFs.statSync.mockReturnValue({ isFile: () => true } as fs.Stats);
+
+      const result = BuildReliabilityService.validateSubmoduleBackingStores('/repo');
+      expect(result).toContain('lib/sub');
+    });
+
+    it('should return empty array when all submodule backing stores are valid', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readFileSync.mockImplementation((p: any) => {
+        if (p === path.join('/repo', '.gitmodules')) {
+          return '[submodule "sub"]\n\tpath = lib/sub\n\turl = https://example.com/sub.git';
+        }
+        if (p === path.join('/repo', 'lib/sub', '.git')) {
+          return 'gitdir: ../../.git/modules/lib/sub';
+        }
+        return '';
+      });
+      mockFs.statSync.mockReturnValue({ isFile: () => true } as fs.Stats);
+
+      const result = BuildReliabilityService.validateSubmoduleBackingStores('/repo');
+      expect(result).toEqual([]);
+    });
+  });
+
+  // =========================================================================
+  // recoverCorruptedRepo
+  // =========================================================================
+
+  describe('recoverCorruptedRepo', () => {
+    it('should orchestrate fsck cleanup and re-fetch, returning true on success', () => {
+      // cleanStaleLockFiles: no .git dir
+      mockFs.existsSync.mockReturnValue(false);
+      mockFs.statSync.mockReturnValue({ isDirectory: () => false } as fs.Stats);
+
+      // fetch succeeds, then fsck succeeds
+      mockExecSync.mockReturnValue('');
+
+      const result = BuildReliabilityService.recoverCorruptedRepo('/repo');
+      expect(result).toBe(true);
+      // Should have called fetch
+      expect(mockExecSync).toHaveBeenCalledWith('git -C "/repo" fetch --all', expect.anything());
+    });
+
+    it('should return false when recovery fails to restore integrity', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      mockFs.statSync.mockReturnValue({ isDirectory: () => false } as fs.Stats);
+
+      // fetch succeeds, but fsck fails
+      mockExecSync.mockImplementation((cmd: any) => {
+        if (typeof cmd === 'string' && cmd.includes('fetch')) return '';
+        if (typeof cmd === 'string' && cmd.includes('fsck')) {
+          return 'missing blob abc123';
+        }
+        return '';
+      });
+
+      const result = BuildReliabilityService.recoverCorruptedRepo('/repo');
+      expect(result).toBe(false);
+    });
+
+    it('should continue recovery even when fetch fails', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      mockFs.statSync.mockReturnValue({ isDirectory: () => false } as fs.Stats);
+
+      let callCount = 0;
+      mockExecSync.mockImplementation((cmd: any) => {
+        callCount++;
+        if (typeof cmd === 'string' && cmd.includes('fetch')) {
+          throw new Error('network error');
+        }
+        // fsck call
+        return '';
+      });
+
+      const result = BuildReliabilityService.recoverCorruptedRepo('/repo');
+      // Should still attempt fsck after failed fetch
+      expect(callCount).toBeGreaterThanOrEqual(2);
+    });
+  });
+
+  // =========================================================================
+  // cleanReservedFilenames
+  // =========================================================================
+
+  describe('cleanReservedFilenames', () => {
+    it('should return empty array when Assets directory does not exist', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      const result = BuildReliabilityService.cleanReservedFilenames('/project');
+      expect(result).toEqual([]);
+    });
+
+    it('should remove files with reserved names (con, prn, aux, nul)', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/project', 'Assets')) {
+          return [
+            { name: 'con.txt', isDirectory: () => false },
+            { name: 'PRN.meta', isDirectory: () => false },
+            { name: 'aux.shader', isDirectory: () => false },
+            { name: 'nul.png', isDirectory: () => false },
+            { name: 'valid-file.cs', isDirectory: () => false },
+          ] as any;
+        }
+        return [];
+      });
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.cleanReservedFilenames('/project');
+      expect(result).toHaveLength(4);
+      expect(mockFs.unlinkSync).toHaveBeenCalledTimes(4);
+    });
+
+    it('should remove directories with reserved names', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/project', 'Assets')) {
+          return [{ name: 'com1', isDirectory: () => true }] as any;
+        }
+        return [];
+      });
+      mockFs.rmSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.cleanReservedFilenames('/project');
+      expect(result).toHaveLength(1);
+      expect(mockFs.rmSync).toHaveBeenCalledWith(path.join('/project', 'Assets', 'com1'), {
+        recursive: true,
+        force: true,
+      });
+    });
+
+    it('should detect COM1 through COM9 and LPT1 through LPT9', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/project', 'Assets')) {
+          return [
+            { name: 'com1.txt', isDirectory: () => false },
+            { name: 'COM9.meta', isDirectory: () => false },
+            { name: 'lpt1.dat', isDirectory: () => false },
+            { name: 'LPT9.log', isDirectory: () => false },
+          ] as any;
+        }
+        return [];
+      });
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.cleanReservedFilenames('/project');
+      expect(result).toHaveLength(4);
+    });
+
+    it('should not remove files that merely contain reserved names as substrings', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockImplementation((dir: any) => {
+        if (dir === path.join('/project', 'Assets')) {
+          return [
+            { name: 'controller.cs', isDirectory: () => false },
+            { name: 'printer-utils.cs', isDirectory: () => false },
+            { name: 'auxiliary.shader', isDirectory: () => false },
+          ] as any;
+        }
+        return [];
+      });
+
+      const result = BuildReliabilityService.cleanReservedFilenames('/project');
+      expect(result).toHaveLength(0);
+    });
+  });
+
+  // =========================================================================
+  // getAvailableSpaceMB
+  // =========================================================================
+
+  describe('getAvailableSpaceMB', () => {
+    it('should return -1 when the check fails', () => {
+      mockExecFileSync.mockImplementation(() => {
+        throw new Error('Command failed');
+      });
+
+      const result = BuildReliabilityService.getAvailableSpaceMB('/some/path');
+      expect(result).toBe(-1);
+    });
+
+    it('should parse wmic output on Windows', () => {
+      const originalPlatform = process.platform;
+      Object.defineProperty(process, 'platform', { value: 'win32' });
+
+      // 10 GB in bytes
+      mockExecFileSync.mockReturnValue('\r\nFreeSpace=10737418240\r\n' as any);
+
+      const result = BuildReliabilityService.getAvailableSpaceMB('C:\\builds');
+      // 10737418240 / (1024 * 1024) = 10240 MB
+      expect(result).toBeCloseTo(10240, 0);
+
+      Object.defineProperty(process, 'platform', { value: originalPlatform });
+    });
+
+    it('should parse df output on Unix', () => {
+      const originalPlatform = process.platform;
+      Object.defineProperty(process, 'platform', { value: 'linux' });
+
+      mockExecFileSync.mockReturnValue('  Avail\n  5120M\n' as any);
+
+      const result = BuildReliabilityService.getAvailableSpaceMB('/builds');
+      expect(result).toBe(5120);
+
+      Object.defineProperty(process, 'platform', { value: originalPlatform });
+    });
+  });
+
+  // =========================================================================
+  // getDirectorySizeMB
+  // =========================================================================
+
+  describe('getDirectorySizeMB', () => {
+    it('should return file size for a single file', () => {
+      // 5 MB in bytes
+      mockFs.statSync.mockReturnValue({ isDirectory: () => false, size: 5 * 1024 * 1024 } as any);
+
+      const result = BuildReliabilityService.getDirectorySizeMB('/path/to/file.zip');
+      expect(result).toBeCloseTo(5, 0);
+    });
+
+    it('should return total size for a directory tree', () => {
+      const subDir = path.join('/build', 'sub');
+
+      mockFs.statSync.mockImplementation((p: any) => {
+        const pathStr = typeof p === 'string' ? p : p.toString();
+        if (pathStr === '/build' || pathStr === subDir) {
+          return { isDirectory: () => true, size: 0 } as any;
+        }
+
+        return { isDirectory: () => false, size: 1024 * 1024 } as any; // 1 MB each
+      });
+
+      mockFs.readdirSync.mockImplementation((dirPath: any, _options?: any) => {
+        const dirStr = typeof dirPath === 'string' ? dirPath : dirPath.toString();
+        if (dirStr === '/build') {
+          return [
+            { name: 'file1.bin', isDirectory: () => false },
+            { name: 'sub', isDirectory: () => true },
+          ] as any;
+        }
+        if (dirStr === subDir) {
+          return [{ name: 'file2.bin', isDirectory: () => false }] as any;
+        }
+
+        return [] as any;
+      });
+
+      const result = BuildReliabilityService.getDirectorySizeMB('/build');
+      expect(result).toBeCloseTo(2, 0); // 2 files * 1 MB each
+    });
+
+    it('should return -1 when calculation fails', () => {
+      mockFs.statSync.mockImplementation(() => {
+        throw new Error('Access denied');
+      });
+
+      const result = BuildReliabilityService.getDirectorySizeMB('/inaccessible');
+      expect(result).toBe(-1);
+    });
+  });
+
+  // =========================================================================
+  // archiveBuildOutput
+  // =========================================================================
+
+  describe('archiveBuildOutput', () => {
+    it('should skip archiving when source path does not exist', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      BuildReliabilityService.archiveBuildOutput('/builds/output', '/archives');
+      expect(mockExecSync).not.toHaveBeenCalled();
+    });
+
+    it('should create archive directory and tar.gz output', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.mkdirSync.mockReturnValue(undefined as any);
+      mockExecSync.mockReturnValue('');
+      // Make disk space check return unknown so we proceed
+      mockExecFileSync.mockImplementation(() => {
+        throw new Error('Command not found');
+      });
+      mockFs.statSync.mockImplementation(() => {
+        throw new Error('Not mocked');
+      });
+
+      BuildReliabilityService.archiveBuildOutput('/builds/output', '/archives');
+
+      expect(mockFs.mkdirSync).toHaveBeenCalledWith('/archives', { recursive: true });
+      expect(mockExecSync).toHaveBeenCalledWith(expect.stringContaining('tar -czf'), expect.anything());
+    });
+
+    it('should skip archival when insufficient disk space', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.mkdirSync.mockReturnValue(undefined as any);
+
+      // Source is 1000 MB
+      mockFs.statSync.mockImplementation((p: any) => {
+        const pathStr = typeof p === 'string' ? p : p.toString();
+        if (pathStr.endsWith('big-file.bin')) {
+          return { isDirectory: () => false, size: 1000 * 1024 * 1024 } as any;
+        }
+        return { isDirectory: () => true, size: 0 } as any;
+      });
+      mockFs.readdirSync.mockImplementation(() => {
+        return [{ name: 'big-file.bin', isDirectory: () => false }] as any;
+      });
+
+      // Only 500 MB available
+      const originalPlatform = process.platform;
+      Object.defineProperty(process, 'platform', { value: 'linux' });
+      mockExecFileSync.mockReturnValue('  Avail\n  500M\n' as any);
+
+      BuildReliabilityService.archiveBuildOutput('/builds/output', '/archives');
+
+      // Should NOT have attempted the tar command
+      expect(mockExecSync).not.toHaveBeenCalledWith(expect.stringContaining('tar'), expect.anything());
+
+      Object.defineProperty(process, 'platform', { value: originalPlatform });
+    });
+
+    it('should clean up partial archive on tar failure', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.mkdirSync.mockReturnValue(undefined as any);
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      // Make disk space check return unknown so we proceed
+      mockExecFileSync.mockImplementation(() => {
+        throw new Error('Command not found');
+      });
+      mockFs.statSync.mockImplementation(() => {
+        throw new Error('Not mocked');
+      });
+
+      // tar command fails
+      mockExecSync.mockImplementation(() => {
+        const error: any = new Error('tar failed');
+        error.stderr = Buffer.from('No space left on device');
+        throw error;
+      });
+
+      BuildReliabilityService.archiveBuildOutput('/builds/output', '/archives');
+
+      // Should have attempted to clean up the partial archive
+      // (existsSync returns true for the partial file)
+      expect(mockFs.unlinkSync).toHaveBeenCalled();
+    });
+
+    it('should proceed with warning when disk space check fails', () => {
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.mkdirSync.mockReturnValue(undefined as any);
+      mockExecSync.mockReturnValue('');
+
+      // Disk space check fails
+      mockExecFileSync.mockImplementation(() => {
+        throw new Error('Command not found');
+      });
+      // Directory size check also fails
+      mockFs.statSync.mockImplementation(() => {
+        throw new Error('Not mocked');
+      });
+
+      BuildReliabilityService.archiveBuildOutput('/builds/output', '/archives');
+
+      // Should still proceed with tar
+      expect(mockExecSync).toHaveBeenCalledWith(expect.stringContaining('tar -czf'), expect.anything());
+    });
+  });
+
+  // =========================================================================
+  // enforceRetention
+  // =========================================================================
+
+  describe('enforceRetention', () => {
+    it('should return 0 when archive path does not exist', () => {
+      mockFs.existsSync.mockReturnValue(false);
+      const result = BuildReliabilityService.enforceRetention('/archive', 30);
+      expect(result).toBe(0);
+    });
+
+    it('should remove archives older than retention period', () => {
+      const now = Date.now();
+      const oldTime = now - 45 * 24 * 60 * 60 * 1000; // 45 days ago
+      const recentTime = now - 5 * 24 * 60 * 60 * 1000; // 5 days ago
+
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockReturnValue([
+        { name: 'build-old.tar.gz', isDirectory: () => false },
+        { name: 'build-recent.tar.gz', isDirectory: () => false },
+      ] as any);
+      mockFs.statSync.mockImplementation((p: any) => {
+        if ((p as string).includes('old')) {
+          return { mtimeMs: oldTime } as fs.Stats;
+        }
+        return { mtimeMs: recentTime } as fs.Stats;
+      });
+      mockFs.unlinkSync.mockReturnValue(undefined);
+
+      const result = BuildReliabilityService.enforceRetention('/archive', 30);
+      expect(result).toBe(1);
+      expect(mockFs.unlinkSync).toHaveBeenCalledTimes(1);
+    });
+
+    it('should keep all archives within retention period', () => {
+      const now = Date.now();
+      const recentTime = now - 5 * 24 * 60 * 60 * 1000;
+
+      mockFs.existsSync.mockReturnValue(true);
+      mockFs.readdirSync.mockReturnValue([
+        { name: 'build-1.tar.gz', isDirectory: () => false },
+        { name: 'build-2.tar.gz', isDirectory: () => false },
+      ] as any);
+      mockFs.statSync.mockReturnValue({ mtimeMs: recentTime } as fs.Stats);
+
+      const result = BuildReliabilityService.enforceRetention('/archive', 30);
+      expect(result).toBe(0);
+    });
+  });
+
+  // =========================================================================
+  // configureGitEnvironment
+  // =========================================================================
+
+  describe('configureGitEnvironment', () => {
+    it('should set GIT_TERMINAL_PROMPT=0 in process.env', () => {
+      mockExecSync.mockReturnValue('');
+      BuildReliabilityService.configureGitEnvironment();
+      expect(process.env.GIT_TERMINAL_PROMPT).toBe('0');
+    });
+
+    it('should configure http.postBuffer via git config', () => {
+      mockExecSync.mockReturnValue('');
+      BuildReliabilityService.configureGitEnvironment();
+      expect(mockExecSync).toHaveBeenCalledWith('git config --global http.postBuffer 524288000', expect.anything());
+    });
+
+    it('should configure core.longpaths via git config', () => {
+      mockExecSync.mockReturnValue('');
+      BuildReliabilityService.configureGitEnvironment();
+      expect(mockExecSync).toHaveBeenCalledWith('git config --global core.longpaths true', expect.anything());
+    });
+
+    it('should warn but not throw when git config commands fail', () => {
+      const core = require('@actions/core');
+      mockExecSync.mockImplementation(() => {
+        throw new Error('git config failed');
+      });
+
+      // Should not throw
+      expect(() => BuildReliabilityService.configureGitEnvironment()).not.toThrow();
+      expect(core.warning).toHaveBeenCalled();
+    });
+  });
+});

src/model/orchestrator/services/reliability/build-reliability-service.ts

@@ -0,0 +1,527 @@
+import { execSync, execFileSync } from 'node:child_process';
+import fs from 'node:fs';
+import path from 'node:path';
+import * as core from '@actions/core';
+
+/**
+ * Build reliability features for hardening CI pipelines.
+ * Provides git integrity checks, stale lock cleanup, submodule validation,
+ * reserved filename removal, build archival, and git environment configuration.
+ * All features are opt-in and fail gracefully (warnings only).
+ */
+export class BuildReliabilityService {
+  // Windows reserved device names that cause Unity asset importer infinite loops
+  private static readonly RESERVED_NAMES = new Set([
+    'con',
+    'prn',
+    'aux',
+    'nul',
+    'com1',
+    'com2',
+    'com3',
+    'com4',
+    'com5',
+    'com6',
+    'com7',
+    'com8',
+    'com9',
+    'lpt1',
+    'lpt2',
+    'lpt3',
+    'lpt4',
+    'lpt5',
+    'lpt6',
+    'lpt7',
+    'lpt8',
+    'lpt9',
+  ]);
+
+  // Lock files to look for in the .git directory
+  private static readonly LOCK_FILE_NAMES = new Set(['index.lock', 'shallow.lock', 'config.lock', 'HEAD.lock']);
+
+  // Maximum age in milliseconds before a lock file is considered stale (10 minutes)
+  private static readonly LOCK_FILE_MAX_AGE_MS = 10 * 60 * 1000;
+
+  /**
+   * Run git fsck to check repository integrity.
+   * Returns true if the repo is healthy, false if corruption detected.
+   */
+  static checkGitIntegrity(repoPath: string = '.'): boolean {
+    core.info(`[Reliability] Checking git integrity in ${repoPath}`);
+
+    try {
+      const output = execSync(`git -C "${repoPath}" fsck --no-dangling`, {
+        encoding: 'utf8',
+        timeout: 120_000,
+        stdio: ['pipe', 'pipe', 'pipe'],
+      });
+
+      // Parse output for corruption indicators
+      const corruptionPatterns = [
+        /broken link/i,
+        /missing (blob|tree|commit|tag)/i,
+        /dangling/i,
+        /corrupt/i,
+        /error in /i,
+      ];
+
+      for (const pattern of corruptionPatterns) {
+        if (pattern.test(output)) {
+          core.warning(`[Reliability] Git integrity check found issues: ${output.trim()}`);
+          return false;
+        }
+      }
+
+      core.info('[Reliability] Git integrity check passed');
+      return true;
+    } catch (error: any) {
+      // execSync throws on non-zero exit code
+      const stderr = error.stderr?.toString() ?? error.message;
+      core.warning(`[Reliability] Git integrity check failed: ${stderr}`);
+      return false;
+    }
+  }
+
+  /**
+   * Remove stale .lock files from the .git directory.
+   * Only removes lock files older than 10 minutes to avoid interfering with active operations.
+   * Returns the number of lock files removed.
+   */
+  static cleanStaleLockFiles(repoPath: string = '.'): number {
+    const gitDir = path.join(repoPath, '.git');
+    if (!fs.existsSync(gitDir) || !fs.statSync(gitDir).isDirectory()) {
+      return 0;
+    }
+
+    core.info(`[Reliability] Scanning for stale lock files in ${gitDir}`);
+    const now = Date.now();
+    let removed = 0;
+
+    const cleanDirectory = (directory: string): void => {
+      if (!fs.existsSync(directory)) return;
+
+      try {
+        const entries = fs.readdirSync(directory, { withFileTypes: true });
+        for (const entry of entries) {
+          const fullPath = path.join(directory, entry.name);
+          if (entry.isDirectory()) {
+            cleanDirectory(fullPath);
+          } else if (entry.name.endsWith('.lock')) {
+            // Check if it is a known lock file location OR under refs/
+            const relativePath = path.relative(gitDir, fullPath);
+            const isKnownLock = BuildReliabilityService.LOCK_FILE_NAMES.has(entry.name);
+            const isRefsLock = relativePath.startsWith('refs' + path.sep);
+
+            if (isKnownLock || isRefsLock) {
+              try {
+                const stat = fs.statSync(fullPath);
+                const ageMs = now - stat.mtimeMs;
+
+                if (ageMs > BuildReliabilityService.LOCK_FILE_MAX_AGE_MS) {
+                  fs.unlinkSync(fullPath);
+                  removed++;
+                  core.info(
+                    `[Reliability] Removed stale lock file (age: ${Math.round(ageMs / 1000)}s): ${relativePath}`,
+                  );
+                } else {
+                  core.info(
+                    `[Reliability] Lock file is recent (age: ${Math.round(ageMs / 1000)}s), skipping: ${relativePath}`,
+                  );
+                }
+              } catch {
+                core.warning(`[Reliability] Could not remove lock file: ${fullPath}`);
+              }
+            }
+          }
+        }
+      } catch {
+        // Directory not accessible
+      }
+    };
+
+    cleanDirectory(gitDir);
+
+    if (removed > 0) {
+      core.info(`[Reliability] Cleaned ${removed} stale lock file(s)`);
+    } else {
+      core.info('[Reliability] No stale lock files found');
+    }
+
+    return removed;
+  }
+
+  /**
+   * Validate that submodule .git files point to existing backing stores
+   * under .git/modules/. Returns list of submodule paths with broken backing stores.
+   */
+  static validateSubmoduleBackingStores(repoPath: string = '.'): string[] {
+    const broken: string[] = [];
+    const gitmodulesPath = path.join(repoPath, '.gitmodules');
+
+    if (!fs.existsSync(gitmodulesPath)) {
+      core.info('[Reliability] No .gitmodules found, skipping submodule validation');
+      return broken;
+    }
+
+    core.info(`[Reliability] Validating submodule backing stores in ${repoPath}`);
+
+    try {
+      const content = fs.readFileSync(gitmodulesPath, 'utf8');
+      const pathMatches = content.matchAll(/path\s*=\s*(.+)/g);
+
+      for (const match of pathMatches) {
+        const submodulePath = match[1].trim();
+        const gitFile = path.join(repoPath, submodulePath, '.git');
+
+        if (!fs.existsSync(gitFile)) {
+          // Submodule not initialized -- not necessarily broken
+          continue;
+        }
+
+        try {
+          const stat = fs.statSync(gitFile);
+          if (stat.isFile()) {
+            // .git is a file -- should contain "gitdir: <path>"
+            const gitFileContent = fs.readFileSync(gitFile, 'utf8').trim();
+            const gitdirMatch = gitFileContent.match(/^gitdir:\s*(.+)$/);
+
+            if (gitdirMatch) {
+              const backingStore = path.resolve(path.join(repoPath, submodulePath), gitdirMatch[1]);
+              if (!fs.existsSync(backingStore)) {
+                broken.push(submodulePath);
+                core.warning(`[Reliability] Submodule ${submodulePath} has broken backing store: ${backingStore}`);
+              } else {
+                core.info(`[Reliability] Submodule ${submodulePath} backing store OK`);
+              }
+            } else {
+              broken.push(submodulePath);
+              core.warning(`[Reliability] Submodule ${submodulePath} .git file has invalid format`);
+            }
+          }
+        } catch {
+          // Can't read .git file
+          core.warning(`[Reliability] Could not read .git file for submodule: ${submodulePath}`);
+        }
+      }
+    } catch (error: any) {
+      core.warning(`[Reliability] Could not read .gitmodules: ${error.message}`);
+    }
+
+    if (broken.length > 0) {
+      core.warning(`[Reliability] ${broken.length} submodule(s) have broken backing stores`);
+    } else {
+      core.info('[Reliability] All submodule backing stores are valid');
+    }
+
+    return broken;
+  }
+
+  /**
+   * Orchestrate recovery of a corrupted repository.
+   * Sequence: fsck -> clean locks -> re-fetch -> retry fsck.
+   * Returns true if recovery succeeded.
+   */
+  static recoverCorruptedRepo(repoPath: string = '.'): boolean {
+    core.warning(`[Reliability] Attempting automatic recovery for ${repoPath}`);
+
+    // Step 1: Clean stale lock files that may be preventing operations
+    const locksRemoved = BuildReliabilityService.cleanStaleLockFiles(repoPath);
+    if (locksRemoved > 0) {
+      core.info(`[Reliability] Recovery: cleaned ${locksRemoved} lock file(s)`);
+    }
+
+    // Step 2: Re-fetch to restore missing objects
+    try {
+      core.info('[Reliability] Recovery: re-fetching from remote');
+      execSync(`git -C "${repoPath}" fetch --all`, {
+        encoding: 'utf8',
+        timeout: 300_000,
+        stdio: ['pipe', 'pipe', 'pipe'],
+      });
+      core.info('[Reliability] Recovery: fetch completed');
+    } catch (error: any) {
+      core.warning(`[Reliability] Recovery: fetch failed: ${error.stderr?.toString() ?? error.message}`);
+    }
+
+    // Step 3: Retry fsck
+    const healthy = BuildReliabilityService.checkGitIntegrity(repoPath);
+    if (healthy) {
+      core.info('[Reliability] Recovery succeeded -- repository is healthy');
+    } else {
+      core.warning('[Reliability] Recovery failed -- repository still has integrity issues');
+    }
+
+    return healthy;
+  }
+
+  /**
+   * Scan a directory tree for files/directories with Windows reserved names.
+   * These names (con, prn, aux, nul, com1-9, lpt1-9) with any extension
+   * cause Unity asset importer infinite loops on Windows.
+   * Returns list of paths that were removed.
+   */
+  static cleanReservedFilenames(projectPath: string): string[] {
+    const assetsPath = path.join(projectPath, 'Assets');
+    if (!fs.existsSync(assetsPath)) {
+      core.info(`[Reliability] No Assets directory found at ${assetsPath}, skipping reserved filename scan`);
+      return [];
+    }
+
+    core.info(`[Reliability] Scanning for reserved filenames in ${assetsPath}`);
+    const cleaned: string[] = [];
+
+    const scanDirectory = (directory: string): void => {
+      try {
+        const entries = fs.readdirSync(directory, { withFileTypes: true });
+        for (const entry of entries) {
+          const nameWithoutExtension = entry.name.split('.')[0].toLowerCase();
+          const fullPath = path.join(directory, entry.name);
+
+          if (BuildReliabilityService.RESERVED_NAMES.has(nameWithoutExtension)) {
+            try {
+              if (entry.isDirectory()) {
+                fs.rmSync(fullPath, { recursive: true, force: true });
+              } else {
+                fs.unlinkSync(fullPath);
+              }
+              cleaned.push(fullPath);
+              core.warning(`[Reliability] Removed reserved filename: ${fullPath}`);
+            } catch {
+              core.warning(`[Reliability] Could not remove reserved filename: ${fullPath}`);
+            }
+          } else if (entry.isDirectory()) {
+            scanDirectory(fullPath);
+          }
+        }
+      } catch {
+        // Directory not accessible
+      }
+    };
+
+    scanDirectory(assetsPath);
+
+    if (cleaned.length > 0) {
+      core.warning(`[Reliability] Cleaned ${cleaned.length} reserved filename(s)`);
+    } else {
+      core.info('[Reliability] No reserved filenames found');
+    }
+
+    return cleaned;
+  }
+
+  /**
+   * Get available disk space in megabytes for a given directory.
+   * Returns -1 if the check fails (unknown space).
+   *
+   * Cross-platform: uses wmic on Windows, df on Unix.
+   */
+  static getAvailableSpaceMB(directoryPath: string): number {
+    try {
+      if (process.platform === 'win32') {
+        const drive = path.parse(directoryPath).root;
+        const driveLetter = drive.replace(/[:\\\/]/g, '');
+        const output = execFileSync(
+          'wmic',
+          ['logicaldisk', 'where', `DeviceID='${driveLetter}:'`, 'get', 'FreeSpace', '/value'],
+          { encoding: 'utf8', timeout: 10_000 },
+        );
+        const match = output.match(/FreeSpace=(\d+)/);
+
+        return match ? Number.parseInt(match[1], 10) / (1024 * 1024) : -1;
+      } else {
+        const output = execFileSync('df', ['-BM', '--output=avail', directoryPath], {
+          encoding: 'utf8',
+          timeout: 10_000,
+        });
+        const lines = output.trim().split('\n');
+
+        return Number.parseInt(lines[lines.length - 1], 10);
+      }
+    } catch {
+      return -1; // Unknown, caller should proceed with warning
+    }
+  }
+
+  /**
+   * Calculate the total size of a directory in megabytes.
+   * Returns -1 if the calculation fails.
+   */
+  static getDirectorySizeMB(directoryPath: string): number {
+    try {
+      const stat = fs.statSync(directoryPath);
+      if (!stat.isDirectory()) {
+        return stat.size / (1024 * 1024);
+      }
+
+      let totalBytes = 0;
+      const walkDirectory = (dir: string): void => {
+        const entries = fs.readdirSync(dir, { withFileTypes: true });
+        for (const entry of entries) {
+          const fullPath = path.join(dir, entry.name);
+          if (entry.isDirectory()) {
+            walkDirectory(fullPath);
+          } else {
+            try {
+              totalBytes += fs.statSync(fullPath).size;
+            } catch {
+              // Skip inaccessible files
+            }
+          }
+        }
+      };
+
+      walkDirectory(directoryPath);
+
+      return totalBytes / (1024 * 1024);
+    } catch {
+      return -1;
+    }
+  }
+
+  /**
+   * Create a tar.gz archive of build output.
+   *
+   * Validates disk space before archiving. Skips archival with a warning
+   * if insufficient space is detected, preventing partial writes on full disks.
+   */
+  static archiveBuildOutput(sourcePath: string, archivePath: string): void {
+    if (!fs.existsSync(sourcePath)) {
+      core.info(`[Reliability] No build output to archive at ${sourcePath}`);
+      return;
+    }
+
+    fs.mkdirSync(archivePath, { recursive: true });
+
+    // Check available disk space before archiving
+    const sourceSizeMB = BuildReliabilityService.getDirectorySizeMB(sourcePath);
+    const availableSpaceMB = BuildReliabilityService.getAvailableSpaceMB(archivePath);
+
+    if (sourceSizeMB >= 0 && availableSpaceMB >= 0) {
+      const neededMB = Math.ceil(sourceSizeMB * 1.1); // 10% safety margin
+      if (availableSpaceMB < neededMB) {
+        core.warning(
+          `[Reliability] Insufficient disk space for archive. ` +
+            `Need ~${neededMB}MB, available: ${Math.floor(availableSpaceMB)}MB. Skipping archive.`,
+        );
+        return;
+      }
+      core.info(
+        `[Reliability] Disk space check passed: need ~${neededMB}MB, available: ${Math.floor(availableSpaceMB)}MB`,
+      );
+    } else if (availableSpaceMB < 0) {
+      core.warning('[Reliability] Could not determine available disk space. Proceeding with archive cautiously.');
+    }
+
+    const timestamp = new Date().toISOString().replace(/[.:]/g, '-');
+    const archiveFile = path.join(archivePath, `build-${timestamp}.tar.gz`);
+
+    try {
+      execSync(`tar -czf "${archiveFile}" -C "${path.dirname(sourcePath)}" "${path.basename(sourcePath)}"`, {
+        encoding: 'utf8',
+        timeout: 600_000,
+        stdio: ['pipe', 'pipe', 'pipe'],
+      });
+      core.info(`[Reliability] Build output archived to ${archiveFile}`);
+    } catch (error: any) {
+      core.warning(`[Reliability] Failed to archive build output: ${error.stderr?.toString() ?? error.message}`);
+
+      // Clean up partial archive if it exists to avoid leaving corrupted files
+      try {
+        if (fs.existsSync(archiveFile)) {
+          fs.unlinkSync(archiveFile);
+          core.info(`[Reliability] Cleaned up partial archive: ${archiveFile}`);
+        }
+      } catch {
+        // Best-effort cleanup
+      }
+    }
+  }
+
+  /**
+   * Enforce retention policy -- delete archives older than the retention period.
+   * Returns the number of old archives removed.
+   */
+  static enforceRetention(archivePath: string, retentionDays: number): number {
+    if (!fs.existsSync(archivePath)) {
+      return 0;
+    }
+
+    const now = Date.now();
+    const retentionMs = retentionDays * 24 * 60 * 60 * 1000;
+    let removed = 0;
+
+    try {
+      const entries = fs.readdirSync(archivePath, { withFileTypes: true });
+      for (const entry of entries) {
+        const fullPath = path.join(archivePath, entry.name);
+        try {
+          const stat = fs.statSync(fullPath);
+          const ageMs = now - stat.mtimeMs;
+
+          if (ageMs > retentionMs) {
+            if (entry.isDirectory()) {
+              fs.rmSync(fullPath, { recursive: true, force: true });
+            } else {
+              fs.unlinkSync(fullPath);
+            }
+            removed++;
+            core.info(
+              `[Reliability] Removed old archive: ${entry.name} (age: ${Math.round(
+                ageMs / (24 * 60 * 60 * 1000),
+              )} days)`,
+            );
+          }
+        } catch {
+          core.warning(`[Reliability] Could not process archive entry: ${fullPath}`);
+        }
+      }
+    } catch {
+      core.warning(`[Reliability] Could not read archive directory: ${archivePath}`);
+      return 0;
+    }
+
+    if (removed > 0) {
+      core.info(
+        `[Reliability] Retention enforced: removed ${removed} old archive(s), retention: ${retentionDays} days`,
+      );
+    }
+
+    return removed;
+  }
+
+  /**
+   * Configure git environment variables for CI reliability.
+   * Sets GIT_TERMINAL_PROMPT=0, increases http.postBuffer, enables core.longpaths.
+   */
+  static configureGitEnvironment(): void {
+    core.info('[Reliability] Configuring git environment for CI');
+
+    // Prevent git from prompting for credentials (hangs in CI)
+    process.env.GIT_TERMINAL_PROMPT = '0';
+    core.info('[Reliability] Set GIT_TERMINAL_PROMPT=0');
+
+    try {
+      // Increase http.postBuffer to 500MB for large pushes
+      execSync('git config --global http.postBuffer 524288000', {
+        encoding: 'utf8',
+        timeout: 10_000,
+        stdio: ['pipe', 'pipe', 'pipe'],
+      });
+      core.info('[Reliability] Set http.postBuffer=524288000 (500MB)');
+    } catch (error: any) {
+      core.warning(`[Reliability] Could not set http.postBuffer: ${error.message}`);
+    }
+
+    try {
+      // Enable long paths on Windows
+      execSync('git config --global core.longpaths true', {
+        encoding: 'utf8',
+        timeout: 10_000,
+        stdio: ['pipe', 'pipe', 'pipe'],
+      });
+      core.info('[Reliability] Set core.longpaths=true');
+    } catch (error: any) {
+      core.warning(`[Reliability] Could not set core.longpaths: ${error.message}`);
+    }
+  }
+}

src/model/orchestrator/services/reliability/index.ts

@@ -0,0 +1 @@
+export { BuildReliabilityService } from './build-reliability-service';

src/model/orchestrator/services/test-workflow/index.ts

@@ -1,12 +0,0 @@
-export { TestSuiteParser } from './test-suite-parser';
-export { TaxonomyFilterService } from './taxonomy-filter-service';
-export { TestResultReporter } from './test-result-reporter';
-export { TestWorkflowService } from './test-workflow-service';
-export {
-  TestSuiteDefinition,
-  TestRunDefinition,
-  TaxonomyDimension,
-  TaxonomyDefinition,
-  TestResult,
-  TestFailure,
-} from './test-workflow-types';

src/model/orchestrator/services/test-workflow/taxonomy-filter-service.ts

@@ -1,198 +0,0 @@
-import fs from 'node:fs';
-import YAML from 'yaml';
-import { TaxonomyDimension, TaxonomyDefinition } from './test-workflow-types';
-
-/**
- * Manages test taxonomy dimensions and builds filter arguments for
- * the Unity test runner CLI. Supports comma-separated value lists,
- * regex patterns (/pattern/), and hierarchical dot-notation matching.
- */
-export class TaxonomyFilterService {
-  /**
-   * Built-in taxonomy dimensions that are always available.
-   * Projects may extend these via a custom taxonomy file.
-   */
-  private static readonly BUILT_IN_DIMENSIONS: TaxonomyDimension[] = [
-    { name: 'Scope', values: ['Unit', 'Integration', 'System', 'End To End'] },
-    { name: 'Maturity', values: ['Trusted', 'Adolescent', 'Experimental'] },
-    { name: 'FeedbackSpeed', values: ['Fast', 'Moderate', 'Slow'] },
-    { name: 'Execution', values: ['Synchronous', 'Asynchronous', 'Coroutine'] },
-    { name: 'Rigor', values: ['Strict', 'Normal', 'Relaxed'] },
-    { name: 'Determinism', values: ['Deterministic', 'NonDeterministic'] },
-    { name: 'IsolationLevel', values: ['Full', 'Partial', 'None'] },
-  ];
-
-  /**
-   * Load taxonomy dimensions: built-in dimensions plus any custom dimensions
-   * from an optional taxonomy file.
-   */
-  static loadTaxonomy(filePath?: string): TaxonomyDimension[] {
-    const dimensions = [...TaxonomyFilterService.BUILT_IN_DIMENSIONS];
-
-    if (filePath && fs.existsSync(filePath)) {
-      const content = fs.readFileSync(filePath, 'utf8');
-      const parsed = YAML.parse(content) as TaxonomyDefinition;
-
-      if (parsed?.extensible_groups && Array.isArray(parsed.extensible_groups)) {
-        for (const group of parsed.extensible_groups) {
-          if (group.name && Array.isArray(group.values)) {
-            // If a custom dimension has the same name as a built-in, merge values
-            const existing = dimensions.find((d) => d.name === group.name);
-            if (existing) {
-              const existingValues = new Set(existing.values);
-              for (const value of group.values) {
-                if (!existingValues.has(value)) {
-                  existing.values.push(value);
-                }
-              }
-            } else {
-              dimensions.push({ name: group.name, values: [...group.values] });
-            }
-          }
-        }
-      }
-    }
-
-    return dimensions;
-  }
-
-  /**
-   * Convert a filter map to Unity test runner CLI args (--testFilter).
-   *
-   * Each filter dimension becomes a category expression. Multiple values in one
-   * dimension are OR'd; multiple dimensions are AND'd. The result is a single
-   * --testFilter string suitable for passing to Unity's test runner CLI.
-   *
-   * Regex patterns (values wrapped in /.../) are converted to category regex
-   * expressions supported by the Unity test runner.
-   */
-  static buildFilterArgs(filters: Record<string, string>): string {
-    if (!filters || Object.keys(filters).length === 0) {
-      return '';
-    }
-
-    const categoryExpressions: string[] = [];
-
-    for (const [dimension, valueSpec] of Object.entries(filters)) {
-      const expression = TaxonomyFilterService.buildDimensionExpression(dimension, valueSpec);
-      if (expression) {
-        categoryExpressions.push(expression);
-      }
-    }
-
-    if (categoryExpressions.length === 0) {
-      return '';
-    }
-
-    // Unity test runner uses --testFilter with category expressions
-    // Multiple dimensions are AND'd by joining with ';'
-    const filterString = categoryExpressions.join(';');
-    return `--testFilter "${filterString}"`;
-  }
-
-  /**
-   * Build a filter expression for a single taxonomy dimension.
-   */
-  private static buildDimensionExpression(dimension: string, valueSpec: string): string {
-    if (!valueSpec || valueSpec.trim() === '') {
-      return '';
-    }
-
-    const trimmed = valueSpec.trim();
-
-    // Check if the value is a regex pattern: /pattern/
-    if (trimmed.startsWith('/') && trimmed.endsWith('/') && trimmed.length > 2) {
-      const pattern = trimmed.slice(1, -1);
-      return `${dimension}=~${pattern}`;
-    }
-
-    // Comma-separated values: OR'd together
-    const values = trimmed
-      .split(',')
-      .map((v) => v.trim())
-      .filter((v) => v.length > 0);
-
-    if (values.length === 0) {
-      return '';
-    }
-
-    if (values.length === 1) {
-      return `${dimension}=${values[0]}`;
-    }
-
-    // Multiple values: use pipe-separated OR syntax
-    return `${dimension}=${values.join('|')}`;
-  }
-
-  /**
-   * Check if a test's taxonomy metadata matches the given filter criteria.
-   *
-   * A test matches if ALL filter dimensions match (AND across dimensions).
-   * Within a single dimension, the test must match ANY of the specified values (OR).
-   * Regex patterns are matched as regular expressions.
-   * Hierarchical dot-notation supports prefix matching (e.g., filter "Combat.Melee"
-   * matches test category "Combat.Melee.Sword").
-   */
-  static matchesFilter(testCategories: Record<string, string>, filters: Record<string, string>): boolean {
-    for (const [dimension, valueSpec] of Object.entries(filters)) {
-      const testValue = testCategories[dimension];
-
-      // If the test has no value for this dimension, it does not match
-      if (testValue === undefined || testValue === null) {
-        return false;
-      }
-
-      if (!TaxonomyFilterService.matchesDimensionFilter(testValue, valueSpec)) {
-        return false;
-      }
-    }
-
-    return true;
-  }
-
-  /**
-   * Check if a single test category value matches a dimension filter spec.
-   */
-  private static matchesDimensionFilter(testValue: string, valueSpec: string): boolean {
-    const trimmed = valueSpec.trim();
-
-    // Regex pattern
-    if (trimmed.startsWith('/') && trimmed.endsWith('/') && trimmed.length > 2) {
-      const pattern = trimmed.slice(1, -1);
-      try {
-        const regex = new RegExp(pattern);
-        return regex.test(testValue);
-      } catch {
-        // Invalid regex, treat as literal
-        return testValue === trimmed;
-      }
-    }
-
-    // Comma-separated values
-    const values = trimmed
-      .split(',')
-      .map((v) => v.trim())
-      .filter((v) => v.length > 0);
-
-    return values.some((filterValue) => {
-      // Exact match
-      if (testValue === filterValue) {
-        return true;
-      }
-
-      // Hierarchical dot-notation prefix match
-      // Filter "Combat.Melee" matches test "Combat.Melee" and "Combat.Melee.Sword"
-      if (filterValue.includes('.') || testValue.includes('.')) {
-        if (testValue.startsWith(filterValue + '.') || testValue === filterValue) {
-          return true;
-        }
-        // Also allow the test to be a prefix of the filter for upward matching
-        if (filterValue.startsWith(testValue + '.')) {
-          return true;
-        }
-      }
-
-      return false;
-    });
-  }
-}

src/model/orchestrator/services/test-workflow/test-result-reporter.ts

@@ -1,316 +0,0 @@
-import fs from 'node:fs';
-import path from 'node:path';
-import { TestResult, TestFailure } from './test-workflow-types';
-
-/**
- * Parses test result files (JUnit XML, Unity JSON) and generates structured
- * summary reports. Supports writing results in multiple formats for CI
- * integration (GitHub Checks, artifact upload).
- */
-export class TestResultReporter {
-  /**
-   * Parse a JUnit XML test result file into a TestResult.
-   * JUnit XML is the standard format produced by Unity's test runner.
-   */
-  static parseJUnitResults(xmlPath: string): TestResult {
-    if (!fs.existsSync(xmlPath)) {
-      throw new Error(`JUnit result file not found: ${xmlPath}`);
-    }
-
-    const content = fs.readFileSync(xmlPath, 'utf8');
-    return TestResultReporter.parseJUnitXml(content);
-  }
-
-  /**
-   * Parse JUnit XML content string into a TestResult.
-   */
-  static parseJUnitXml(xmlContent: string): TestResult {
-    // Extract the testsuite opening tag
-    const suiteTagMatch = xmlContent.match(/<testsuite\s[^>]*>/);
-
-    let runName = 'unknown';
-    let totalTests = 0;
-    let failureCount = 0;
-    let skippedCount = 0;
-    let duration = 0;
-
-    if (suiteTagMatch) {
-      const tag = suiteTagMatch[0];
-
-      // Extract individual attributes -- order-independent
-      const nameMatch = tag.match(/\sname="([^"]*)"/);
-      const testsMatch = tag.match(/\stests="(\d+)"/);
-      const failuresMatch = tag.match(/\sfailures="(\d+)"/);
-      const skippedMatch = tag.match(/\sskipped="(\d+)"/);
-      const timeMatch = tag.match(/\stime="([^"]*)"/);
-
-      runName = nameMatch ? nameMatch[1] : 'unknown';
-      totalTests = testsMatch ? Number.parseInt(testsMatch[1], 10) : 0;
-      failureCount = failuresMatch ? Number.parseInt(failuresMatch[1], 10) : 0;
-      skippedCount = skippedMatch ? Number.parseInt(skippedMatch[1], 10) : 0;
-      duration = timeMatch ? Number.parseFloat(timeMatch[1]) : 0;
-    }
-
-    // Extract individual test failures by splitting into testcase blocks
-    const failures: TestFailure[] = [];
-    const testcasePattern = /<testcase\s[^>]*>[\s\S]*?<\/testcase>/g;
-
-    let tcMatch;
-    while ((tcMatch = testcasePattern.exec(xmlContent)) !== null) {
-      const block = tcMatch[0];
-
-      // Only process testcases that contain a <failure> element
-      if (!block.includes('<failure')) {
-        continue;
-      }
-
-      // Extract testcase attributes (order-independent)
-      const tcTag = block.match(/<testcase\s[^>]*>/);
-      if (!tcTag) continue;
-
-      const cnMatch = tcTag[0].match(/\sclassname="([^"]*)"/);
-      const tnMatch = tcTag[0].match(/\sname="([^"]*)"/);
-
-      const className = cnMatch ? cnMatch[1] : 'unknown';
-      const testName = tnMatch ? tnMatch[1] : 'unknown';
-
-      // Extract failure message
-      const failTag = block.match(/<failure\s[^>]*>/);
-      const msgMatch = failTag ? failTag[0].match(/\smessage="([^"]*)"/) : null;
-      const message = msgMatch ? msgMatch[1] : 'Test failed';
-
-      // Extract stack trace from CDATA or text content
-      const cdataMatch = block.match(/<failure[^>]*>[\s\S]*?<!\[CDATA\[([\s\S]*?)\]\]>/);
-      const textMatch = !cdataMatch ? block.match(/<failure[^>]*>([^<]*)<\/failure>/) : null;
-      const stackTrace = cdataMatch ? cdataMatch[1].trim() : textMatch ? textMatch[1].trim() : undefined;
-
-      failures.push({ testName, className, message, stackTrace: stackTrace || undefined });
-    }
-
-    const passed = totalTests - failureCount - skippedCount;
-
-    return {
-      runName,
-      passed: Math.max(0, passed),
-      failed: failureCount,
-      skipped: skippedCount,
-      duration,
-      failures,
-    };
-  }
-
-  /**
-   * Parse a Unity JSON test result file into a TestResult.
-   */
-  static parseJsonResults(jsonPath: string): TestResult {
-    if (!fs.existsSync(jsonPath)) {
-      throw new Error(`JSON result file not found: ${jsonPath}`);
-    }
-
-    const content = fs.readFileSync(jsonPath, 'utf8');
-    const data = JSON.parse(content);
-
-    return TestResultReporter.parseJsonData(data);
-  }
-
-  /**
-   * Parse Unity JSON test result data into a TestResult.
-   */
-  static parseJsonData(data: any): TestResult {
-    const runName = data.name ?? data.suiteName ?? 'unknown';
-    const passed = data.passed ?? data.passCount ?? 0;
-    const failed = data.failed ?? data.failCount ?? 0;
-    const skipped = data.skipped ?? data.skipCount ?? data.inconclusive ?? 0;
-    const duration = data.duration ?? data.time ?? 0;
-
-    const failures: TestFailure[] = [];
-
-    // Unity test results may have a 'testResults' or 'results' array
-    const results = data.testResults ?? data.results ?? data.children ?? [];
-
-    if (Array.isArray(results)) {
-      for (const result of results) {
-        TestResultReporter.extractFailures(result, failures);
-      }
-    }
-
-    return {
-      runName,
-      passed,
-      failed,
-      skipped,
-      duration,
-      failures,
-    };
-  }
-
-  /**
-   * Recursively extract failures from nested Unity test result JSON.
-   */
-  private static extractFailures(node: any, failures: TestFailure[]): void {
-    if (!node) return;
-
-    const status = (node.result ?? node.status ?? '').toLowerCase();
-    if (status === 'failed' || status === 'failure') {
-      failures.push({
-        testName: node.name ?? node.testName ?? 'unknown',
-        className: node.className ?? node.fullName ?? node.name ?? 'unknown',
-        message: node.message ?? node.output ?? 'Test failed',
-        stackTrace: node.stackTrace ?? node.trace ?? undefined,
-      });
-    }
-
-    // Recurse into children (Unity nests test fixtures inside suites)
-    const children = node.children ?? node.testResults ?? node.results ?? [];
-    if (Array.isArray(children)) {
-      for (const child of children) {
-        TestResultReporter.extractFailures(child, failures);
-      }
-    }
-  }
-
-  /**
-   * Generate a markdown summary table from an array of test results.
-   */
-  static generateSummary(results: TestResult[]): string {
-    if (results.length === 0) {
-      return 'No test results available.';
-    }
-
-    const lines: string[] = [];
-    lines.push('## Test Results Summary');
-    lines.push('');
-    lines.push('| Run | Passed | Failed | Skipped | Duration |');
-    lines.push('|-----|--------|--------|---------|----------|');
-
-    let totalPassed = 0;
-    let totalFailed = 0;
-    let totalSkipped = 0;
-    let totalDuration = 0;
-
-    for (const result of results) {
-      const status = result.failed > 0 ? 'X' : 'OK';
-      const durationStr = TestResultReporter.formatDuration(result.duration);
-      lines.push(
-        `| ${status} ${result.runName} | ${result.passed} | ${result.failed} | ${result.skipped} | ${durationStr} |`,
-      );
-      totalPassed += result.passed;
-      totalFailed += result.failed;
-      totalSkipped += result.skipped;
-      totalDuration += result.duration;
-    }
-
-    lines.push(
-      `| **Total** | **${totalPassed}** | **${totalFailed}** | **${totalSkipped}** | **${TestResultReporter.formatDuration(
-        totalDuration,
-      )}** |`,
-    );
-    lines.push('');
-
-    // Append failure details if any
-    const allFailures = results.flatMap((r) => r.failures.map((f) => ({ ...f, run: r.runName })));
-    if (allFailures.length > 0) {
-      lines.push('### Failures');
-      lines.push('');
-      for (const failure of allFailures) {
-        lines.push(`**${failure.run}** - \`${failure.className}.${failure.testName}\``);
-        lines.push(`> ${failure.message}`);
-        if (failure.stackTrace) {
-          lines.push('```');
-          lines.push(failure.stackTrace.slice(0, 500));
-          lines.push('```');
-        }
-        lines.push('');
-      }
-    }
-
-    return lines.join('\n');
-  }
-
-  /**
-   * Write test results to the output path in the specified format(s).
-   */
-  static writeResults(results: TestResult[], outputPath: string, format: 'junit' | 'json' | 'both'): void {
-    if (!fs.existsSync(outputPath)) {
-      fs.mkdirSync(outputPath, { recursive: true });
-    }
-
-    if (format === 'json' || format === 'both') {
-      const jsonPath = path.join(outputPath, 'test-results.json');
-      fs.writeFileSync(jsonPath, JSON.stringify(results, null, 2), 'utf8');
-    }
-
-    if (format === 'junit' || format === 'both') {
-      const junitPath = path.join(outputPath, 'test-results.xml');
-      const xml = TestResultReporter.toJUnitXml(results);
-      fs.writeFileSync(junitPath, xml, 'utf8');
-    }
-
-    // Always write markdown summary
-    const summaryPath = path.join(outputPath, 'test-summary.md');
-    const summary = TestResultReporter.generateSummary(results);
-    fs.writeFileSync(summaryPath, summary, 'utf8');
-  }
-
-  /**
-   * Convert TestResult array to JUnit XML format.
-   */
-  private static toJUnitXml(results: TestResult[]): string {
-    const lines: string[] = [];
-    lines.push('<?xml version="1.0" encoding="UTF-8"?>');
-    lines.push('<testsuites>');
-
-    for (const result of results) {
-      const total = result.passed + result.failed + result.skipped;
-      lines.push(
-        `  <testsuite name="${TestResultReporter.escapeXml(result.runName)}" tests="${total}" failures="${
-          result.failed
-        }" skipped="${result.skipped}" time="${result.duration.toFixed(3)}">`,
-      );
-
-      // Write failure test cases
-      for (const failure of result.failures) {
-        lines.push(
-          `    <testcase classname="${TestResultReporter.escapeXml(
-            failure.className,
-          )}" name="${TestResultReporter.escapeXml(failure.testName)}">`,
-        );
-        lines.push(`      <failure message="${TestResultReporter.escapeXml(failure.message)}">`);
-        if (failure.stackTrace) {
-          lines.push(`        <![CDATA[${failure.stackTrace}]]>`);
-        }
-        lines.push('      </failure>');
-        lines.push('    </testcase>');
-      }
-
-      lines.push('  </testsuite>');
-    }
-
-    lines.push('</testsuites>');
-    return lines.join('\n');
-  }
-
-  /**
-   * Escape special XML characters.
-   */
-  private static escapeXml(str: string): string {
-    return str
-      .replace(/&/g, '&amp;')
-      .replace(/</g, '&lt;')
-      .replace(/>/g, '&gt;')
-      .replace(/"/g, '&quot;')
-      .replace(/'/g, '&apos;');
-  }
-
-  /**
-   * Format a duration in seconds to a human-readable string.
-   */
-  private static formatDuration(seconds: number): string {
-    if (seconds < 60) {
-      return `${seconds.toFixed(1)}s`;
-    }
-    const minutes = Math.floor(seconds / 60);
-    const remainingSeconds = seconds % 60;
-    return `${minutes}m ${remainingSeconds.toFixed(0)}s`;
-  }
-}

src/model/orchestrator/services/test-workflow/test-suite-parser.ts

@@ -1,263 +0,0 @@
-import fs from 'node:fs';
-import YAML from 'yaml';
-import { TestSuiteDefinition, TestRunDefinition } from './test-workflow-types';
-
-/**
- * Parses and validates YAML-based test suite definition files.
- * Handles dependency resolution (topological sort) for ordered test run execution.
- */
-export class TestSuiteParser {
-  /**
-   * Read and parse a YAML test suite definition file.
-   * Validates the structure and returns a typed TestSuiteDefinition.
-   */
-  static parseSuiteFile(filePath: string): TestSuiteDefinition {
-    if (!fs.existsSync(filePath)) {
-      throw new Error(`Test suite file not found: ${filePath}`);
-    }
-
-    const content = fs.readFileSync(filePath, 'utf8');
-    const parsed = YAML.parse(content);
-
-    if (!parsed || typeof parsed !== 'object') {
-      throw new Error(`Invalid YAML in test suite file: ${filePath}`);
-    }
-
-    if (!parsed.name || typeof parsed.name !== 'string') {
-      throw new Error(`Test suite must have a 'name' field (string): ${filePath}`);
-    }
-
-    if (!Array.isArray(parsed.runs) || parsed.runs.length === 0) {
-      throw new Error(`Test suite must have a non-empty 'runs' array: ${filePath}`);
-    }
-
-    const suite: TestSuiteDefinition = {
-      name: parsed.name,
-      description: parsed.description,
-      runs: parsed.runs.map((run: any) => TestSuiteParser.parseRun(run)),
-    };
-
-    const errors = TestSuiteParser.validateSuite(suite);
-    if (errors.length > 0) {
-      throw new Error(`Test suite validation failed:\n  ${errors.join('\n  ')}`);
-    }
-
-    return suite;
-  }
-
-  /**
-   * Parse a single run definition from raw YAML data.
-   */
-  private static parseRun(raw: any): TestRunDefinition {
-    if (!raw || typeof raw !== 'object') {
-      throw new Error(`Each run must be an object`);
-    }
-
-    if (!raw.name || typeof raw.name !== 'string') {
-      throw new Error(`Each run must have a 'name' field (string)`);
-    }
-
-    const run: TestRunDefinition = {
-      name: raw.name,
-    };
-
-    if (raw.needs !== undefined) {
-      if (!Array.isArray(raw.needs)) {
-        throw new Error(`Run '${raw.name}': 'needs' must be an array of strings`);
-      }
-      run.needs = raw.needs;
-    }
-
-    if (raw.editMode !== undefined) {
-      run.editMode = Boolean(raw.editMode);
-    }
-
-    if (raw.playMode !== undefined) {
-      run.playMode = Boolean(raw.playMode);
-    }
-
-    if (raw.builtClient !== undefined) {
-      run.builtClient = Boolean(raw.builtClient);
-    }
-
-    if (raw.builtClientPath !== undefined) {
-      run.builtClientPath = String(raw.builtClientPath);
-    }
-
-    if (raw.filters !== undefined) {
-      if (typeof raw.filters !== 'object' || Array.isArray(raw.filters)) {
-        throw new Error(`Run '${raw.name}': 'filters' must be a key-value object`);
-      }
-      run.filters = {};
-      for (const [key, value] of Object.entries(raw.filters)) {
-        run.filters[key] = String(value);
-      }
-    }
-
-    if (raw.timeout !== undefined) {
-      const timeout = Number(raw.timeout);
-      if (Number.isNaN(timeout) || timeout <= 0) {
-        throw new Error(`Run '${raw.name}': 'timeout' must be a positive number`);
-      }
-      run.timeout = timeout;
-    }
-
-    return run;
-  }
-
-  /**
-   * Resolve run execution order via topological sort based on 'needs' dependencies.
-   * Returns an array of parallel groups -- each group contains runs that can execute concurrently.
-   * Runs within the same group have no inter-dependencies.
-   */
-  static resolveRunOrder(suite: TestSuiteDefinition): TestRunDefinition[][] {
-    const runMap = new Map<string, TestRunDefinition>();
-    for (const run of suite.runs) {
-      runMap.set(run.name, run);
-    }
-
-    // Build adjacency: inDegree counts and dependents map
-    const inDegree = new Map<string, number>();
-    const dependents = new Map<string, string[]>();
-
-    for (const run of suite.runs) {
-      if (!inDegree.has(run.name)) {
-        inDegree.set(run.name, 0);
-      }
-      if (!dependents.has(run.name)) {
-        dependents.set(run.name, []);
-      }
-
-      if (run.needs) {
-        for (const dep of run.needs) {
-          inDegree.set(run.name, (inDegree.get(run.name) ?? 0) + 1);
-          if (!dependents.has(dep)) {
-            dependents.set(dep, []);
-          }
-          dependents.get(dep)!.push(run.name);
-        }
-      }
-    }
-
-    // Kahn's algorithm producing parallel layers
-    const groups: TestRunDefinition[][] = [];
-    let ready = suite.runs.filter((r) => (inDegree.get(r.name) ?? 0) === 0);
-    let processed = 0;
-
-    while (ready.length > 0) {
-      groups.push(ready);
-      processed += ready.length;
-
-      const nextReady: TestRunDefinition[] = [];
-      for (const run of ready) {
-        for (const dep of dependents.get(run.name) ?? []) {
-          const newDegree = (inDegree.get(dep) ?? 1) - 1;
-          inDegree.set(dep, newDegree);
-          if (newDegree === 0) {
-            nextReady.push(runMap.get(dep)!);
-          }
-        }
-      }
-      ready = nextReady;
-    }
-
-    if (processed !== suite.runs.length) {
-      throw new Error(`Circular dependency detected in test suite '${suite.name}'`);
-    }
-
-    return groups;
-  }
-
-  /**
-   * Validate a parsed test suite definition.
-   * Returns an array of validation error messages (empty = valid).
-   */
-  static validateSuite(suite: TestSuiteDefinition): string[] {
-    const errors: string[] = [];
-    const runNames = new Set<string>();
-
-    // Check for duplicate run names
-    for (const run of suite.runs) {
-      if (runNames.has(run.name)) {
-        errors.push(`Duplicate run name: '${run.name}'`);
-      }
-      runNames.add(run.name);
-    }
-
-    // Check that all 'needs' references exist
-    for (const run of suite.runs) {
-      if (run.needs) {
-        for (const dep of run.needs) {
-          if (!runNames.has(dep)) {
-            errors.push(`Run '${run.name}' depends on unknown run '${dep}'`);
-          }
-        }
-
-        // Self-dependency
-        if (run.needs.includes(run.name)) {
-          errors.push(`Run '${run.name}' depends on itself`);
-        }
-      }
-    }
-
-    // Check that at least one test mode is specified per run
-    for (const run of suite.runs) {
-      if (!run.editMode && !run.playMode && !run.builtClient) {
-        errors.push(`Run '${run.name}' must specify at least one of: editMode, playMode, builtClient`);
-      }
-    }
-
-    // Detect circular dependencies via DFS
-    const circularError = TestSuiteParser.detectCircularDependencies(suite);
-    if (circularError) {
-      errors.push(circularError);
-    }
-
-    return errors;
-  }
-
-  /**
-   * Detect circular dependencies using DFS cycle detection.
-   */
-  private static detectCircularDependencies(suite: TestSuiteDefinition): string | null {
-    const adjacency = new Map<string, string[]>();
-    for (const run of suite.runs) {
-      adjacency.set(run.name, run.needs ?? []);
-    }
-
-    const visited = new Set<string>();
-    const visiting = new Set<string>();
-
-    const dfs = (node: string, path: string[]): string | null => {
-      if (visiting.has(node)) {
-        const cycleStart = path.indexOf(node);
-        const cycle = path.slice(cycleStart).concat(node);
-        return `Circular dependency: ${cycle.join(' -> ')}`;
-      }
-      if (visited.has(node)) {
-        return null;
-      }
-
-      visiting.add(node);
-      path.push(node);
-
-      for (const dep of adjacency.get(node) ?? []) {
-        if (adjacency.has(dep)) {
-          const result = dfs(dep, [...path]);
-          if (result) return result;
-        }
-      }
-
-      visiting.delete(node);
-      visited.add(node);
-      return null;
-    };
-
-    for (const run of suite.runs) {
-      const result = dfs(run.name, []);
-      if (result) return result;
-    }
-
-    return null;
-  }
-}

src/model/orchestrator/services/test-workflow/test-workflow-service.ts

@@ -1,246 +0,0 @@
-import { exec } from 'node:child_process';
-import { promisify } from 'node:util';
-import path from 'node:path';
-import * as core from '@actions/core';
-import BuildParameters from '../../../build-parameters';
-import { TestSuiteParser } from './test-suite-parser';
-import { TaxonomyFilterService } from './taxonomy-filter-service';
-import { TestResultReporter } from './test-result-reporter';
-import { TestRunDefinition, TestResult } from './test-workflow-types';
-
-const execAsync = promisify(exec);
-
-/**
- * Main entry point for the test workflow engine.
- * Orchestrates parsing of YAML suite definitions, resolving run order,
- * executing test runs via Unity CLI, and collecting structured results.
- */
-export class TestWorkflowService {
-  /**
-   * Execute a full test suite from a YAML definition file.
-   * Parses the suite, resolves dependency order, executes each parallel
-   * group sequentially (runs within a group execute concurrently), and
-   * collects all results.
-   */
-  static async executeTestSuite(suitePath: string, parameters: BuildParameters): Promise<TestResult[]> {
-    core.info(`[TestWorkflow] Loading test suite from: ${suitePath}`);
-
-    const suite = TestSuiteParser.parseSuiteFile(suitePath);
-    core.info(`[TestWorkflow] Suite '${suite.name}' loaded with ${suite.runs.length} run(s)`);
-
-    if (suite.description) {
-      core.info(`[TestWorkflow] Description: ${suite.description}`);
-    }
-
-    const groups = TestSuiteParser.resolveRunOrder(suite);
-    core.info(`[TestWorkflow] Resolved into ${groups.length} execution group(s)`);
-
-    const allResults: TestResult[] = [];
-    let groupIndex = 0;
-
-    for (const group of groups) {
-      groupIndex++;
-      const runNames = group.map((r) => r.name).join(', ');
-      core.info(`[TestWorkflow] Executing group ${groupIndex}/${groups.length}: [${runNames}]`);
-
-      // Execute runs within a group concurrently
-      const groupResults = await Promise.all(group.map((run) => TestWorkflowService.executeTestRun(run, parameters)));
-
-      allResults.push(...groupResults);
-
-      // Check for failures -- if any run in this group failed, log a warning
-      // but continue to the next group (fail-forward for maximum feedback)
-      const failedRuns = groupResults.filter((r) => r.failed > 0);
-      if (failedRuns.length > 0) {
-        const failedNames = failedRuns.map((r) => r.runName).join(', ');
-        core.warning(`[TestWorkflow] Failures detected in group ${groupIndex}: [${failedNames}]`);
-      }
-    }
-
-    // Generate and output summary
-    const summary = TestResultReporter.generateSummary(allResults);
-    core.info(summary);
-
-    // Write results if output path is configured
-    const resultPath = parameters.testResultPath;
-    const resultFormat = parameters.testResultFormat;
-    if (resultPath) {
-      TestResultReporter.writeResults(allResults, resultPath, resultFormat as 'junit' | 'json' | 'both');
-      core.info(`[TestWorkflow] Results written to: ${resultPath}`);
-    }
-
-    return allResults;
-  }
-
-  /**
-   * Execute a single test run definition.
-   * Builds the Unity CLI arguments based on the run configuration (edit mode,
-   * play mode, built client) and taxonomy filters, executes the command
-   * asynchronously, and parses the result output.
-   *
-   * Uses promisified exec instead of execSync so that Promise.all can
-   * actually run multiple test groups in parallel without blocking the
-   * Node.js event loop.
-   */
-  static async executeTestRun(run: TestRunDefinition, parameters: BuildParameters): Promise<TestResult> {
-    core.info(`[TestWorkflow] Starting run: '${run.name}'`);
-
-    const unityArguments = TestWorkflowService.buildUnityArgs(run, parameters);
-    const timeoutMs = (run.timeout ?? 600) * 1000;
-
-    core.info(`[TestWorkflow] Unity args: ${unityArguments}`);
-
-    const startTime = Date.now();
-
-    try {
-      const resultDirectory = path.join(parameters.testResultPath ?? './test-results', run.name);
-      const resultFile = path.join(resultDirectory, 'results.xml');
-
-      // Build the full Unity command
-      const unityPath = TestWorkflowService.resolveUnityPath(parameters);
-      const command = `"${unityPath}" ${unityArguments} -testResults "${resultFile}"`;
-
-      core.info(`[TestWorkflow] Executing: ${command}`);
-
-      await execAsync(command, {
-        timeout: timeoutMs,
-        maxBuffer: 50 * 1024 * 1024, // 50 MB to handle large Unity output
-        cwd: parameters.projectPath || process.cwd(),
-      });
-
-      const duration = (Date.now() - startTime) / 1000;
-
-      // Parse the result file
-      try {
-        const result = TestResultReporter.parseJUnitResults(resultFile);
-        result.runName = run.name;
-        result.duration = duration;
-
-        return result;
-      } catch {
-        // Result file may not exist if Unity exited early
-        core.warning(`[TestWorkflow] Could not parse results for run '${run.name}' -- result file may be missing`);
-
-        return {
-          runName: run.name,
-          passed: 0,
-          failed: 0,
-          skipped: 0,
-          duration,
-          failures: [],
-        };
-      }
-    } catch (error: any) {
-      const duration = (Date.now() - startTime) / 1000;
-
-      // The promisified exec sets error.killed when the process is terminated
-      // due to timeout, and error.signal will be 'SIGTERM'
-      const isTimeout = error.killed === true || error.signal === 'SIGTERM';
-
-      if (isTimeout) {
-        core.error(`[TestWorkflow] Run '${run.name}' timed out after ${run.timeout ?? 600}s`);
-      } else {
-        core.error(`[TestWorkflow] Run '${run.name}' failed: ${error.message}`);
-      }
-
-      // Try to parse partial results even on failure
-      const resultDirectory = path.join(parameters.testResultPath ?? './test-results', run.name);
-      const resultFile = path.join(resultDirectory, 'results.xml');
-
-      try {
-        const result = TestResultReporter.parseJUnitResults(resultFile);
-        result.runName = run.name;
-        result.duration = duration;
-
-        return result;
-      } catch {
-        return {
-          runName: run.name,
-          passed: 0,
-          failed: 1,
-          skipped: 0,
-          duration,
-          failures: [
-            {
-              testName: isTimeout ? 'Timeout' : 'ExecutionError',
-              className: run.name,
-              message: isTimeout
-                ? `Test run timed out after ${run.timeout ?? 600}s`
-                : error.message ?? 'Unknown execution error',
-              stackTrace: error.stderr ?? undefined,
-            },
-          ],
-        };
-      }
-    }
-  }
-
-  /**
-   * Build Unity CLI arguments for a test run based on its configuration.
-   */
-  static buildUnityArgs(run: TestRunDefinition, parameters: BuildParameters): string {
-    const unityArguments: string[] = ['-batchmode', '-nographics'];
-
-    // Project path
-    if (parameters.projectPath) {
-      unityArguments.push(`-projectPath "${parameters.projectPath}"`);
-    }
-
-    // Test mode
-    if (run.builtClient && run.builtClientPath) {
-      // Built client testing: run tests against a built player
-      unityArguments.push(
-        '-runTests',
-        `-testPlatform StandalonePlayer`,
-        `-assemblyNames Assembly-CSharp-Tests`,
-        `-builtPlayerPath "${run.builtClientPath}"`,
-      );
-    } else if (run.editMode && run.playMode) {
-      // Both modes: run EditMode first, then PlayMode will require a separate invocation
-      // For combined mode, use EditMode (the service handles sequencing)
-      unityArguments.push('-runTests', '-testPlatform EditMode');
-    } else if (run.playMode) {
-      unityArguments.push('-runTests', '-testPlatform PlayMode');
-    } else if (run.editMode) {
-      unityArguments.push('-runTests', '-testPlatform EditMode');
-    }
-
-    // Apply taxonomy filters
-    if (run.filters && Object.keys(run.filters).length > 0) {
-      const filterArguments = TaxonomyFilterService.buildFilterArgs(run.filters);
-      if (filterArguments) {
-        unityArguments.push(filterArguments);
-      }
-    }
-
-    // Target platform
-    if (parameters.targetPlatform) {
-      unityArguments.push(`-buildTarget ${parameters.targetPlatform}`);
-    }
-
-    return unityArguments.join(' ');
-  }
-
-  /**
-   * Resolve the path to the Unity editor executable.
-   */
-  private static resolveUnityPath(parameters: BuildParameters): string {
-    // In CI, Unity path is typically set via environment or the docker container
-    const environmentUnityPath = process.env.UNITY_PATH ?? process.env.UNITY_EDITOR;
-    if (environmentUnityPath) {
-      return environmentUnityPath;
-    }
-
-    // Default paths by platform
-    if (process.platform === 'win32') {
-      return `C:/Program Files/Unity/Hub/Editor/${parameters.editorVersion}/Editor/Unity.exe`;
-    }
-
-    if (process.platform === 'darwin') {
-      return `/Applications/Unity/Hub/Editor/${parameters.editorVersion}/Unity.app/Contents/MacOS/Unity`;
-    }
-
-    // Linux default (Docker container path)
-    return '/opt/unity/Editor/Unity';
-  }
-}

src/model/orchestrator/services/test-workflow/test-workflow-types.ts

@@ -1,41 +0,0 @@
-export interface TestSuiteDefinition {
-  name: string;
-  description?: string;
-  runs: TestRunDefinition[];
-}
-
-export interface TestRunDefinition {
-  name: string;
-  needs?: string[];
-  editMode?: boolean;
-  playMode?: boolean;
-  builtClient?: boolean;
-  builtClientPath?: string;
-  filters?: Record<string, string>; // dimension -> comma-separated values or /regex/
-  timeout?: number;
-}
-
-export interface TaxonomyDimension {
-  name: string;
-  values: string[];
-}
-
-export interface TaxonomyDefinition {
-  extensible_groups: TaxonomyDimension[];
-}
-
-export interface TestResult {
-  runName: string;
-  passed: number;
-  failed: number;
-  skipped: number;
-  duration: number;
-  failures: TestFailure[];
-}
-
-export interface TestFailure {
-  testName: string;
-  className: string;
-  message: string;
-  stackTrace?: string;
-}

src/model/orchestrator/services/test-workflow/test-workflow.test.ts

@@ -1,562 +0,0 @@
-import fs from 'node:fs';
-import { TestSuiteParser } from './test-suite-parser';
-import { TaxonomyFilterService } from './taxonomy-filter-service';
-import { TestResultReporter } from './test-result-reporter';
-import { TestWorkflowService } from './test-workflow-service';
-import { TestSuiteDefinition, TestResult, TestRunDefinition } from './test-workflow-types';
-
-jest.mock('node:fs');
-jest.mock('@actions/core');
-
-const mockFs = fs as jest.Mocked<typeof fs>;
-
-afterEach(() => {
-  jest.clearAllMocks();
-});
-
-// ============================================================================
-// Test Suite Parser
-// ============================================================================
-
-describe('TestSuiteParser', () => {
-  describe('parseSuiteFile', () => {
-    it('should parse a valid YAML suite file', () => {
-      const yaml = `
-name: pull-request
-description: Fast feedback for pull requests
-runs:
-  - name: fast
-    editMode: true
-    filters:
-      Maturity: Trusted
-      FeedbackSpeed: Fast,Moderate
-    timeout: 300
-  - name: basic
-    needs: [fast]
-    editMode: true
-    playMode: true
-    filters:
-      Maturity: Trusted,Adolescent
-    timeout: 600
-`;
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue(yaml);
-
-      const suite = TestSuiteParser.parseSuiteFile('/path/to/suite.yml');
-
-      expect(suite.name).toBe('pull-request');
-      expect(suite.description).toBe('Fast feedback for pull requests');
-      expect(suite.runs).toHaveLength(2);
-      expect(suite.runs[0].name).toBe('fast');
-      expect(suite.runs[0].editMode).toBe(true);
-      expect(suite.runs[0].filters?.Maturity).toBe('Trusted');
-      expect(suite.runs[0].timeout).toBe(300);
-      expect(suite.runs[1].needs).toEqual(['fast']);
-    });
-
-    it('should throw when file does not exist', () => {
-      mockFs.existsSync.mockReturnValue(false);
-
-      expect(() => TestSuiteParser.parseSuiteFile('/missing.yml')).toThrow('not found');
-    });
-
-    it('should throw on invalid YAML', () => {
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue('not: valid: yaml: [');
-
-      expect(() => TestSuiteParser.parseSuiteFile('/bad.yml')).toThrow();
-    });
-
-    it('should throw when suite has no name', () => {
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue('runs:\n  - name: test\n    editMode: true');
-
-      expect(() => TestSuiteParser.parseSuiteFile('/no-name.yml')).toThrow("'name'");
-    });
-
-    it('should throw when suite has no runs', () => {
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue('name: test');
-
-      expect(() => TestSuiteParser.parseSuiteFile('/no-runs.yml')).toThrow("'runs'");
-    });
-
-    it('should throw on invalid needs reference', () => {
-      const yaml = `
-name: bad-deps
-runs:
-  - name: first
-    editMode: true
-    needs: [nonexistent]
-`;
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue(yaml);
-
-      expect(() => TestSuiteParser.parseSuiteFile('/bad-deps.yml')).toThrow("unknown run 'nonexistent'");
-    });
-  });
-
-  describe('resolveRunOrder', () => {
-    it('should return single group when no dependencies exist', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'test',
-        runs: [
-          { name: 'a', editMode: true },
-          { name: 'b', playMode: true },
-        ],
-      };
-
-      const groups = TestSuiteParser.resolveRunOrder(suite);
-      expect(groups).toHaveLength(1);
-      expect(groups[0]).toHaveLength(2);
-    });
-
-    it('should resolve linear dependencies into sequential groups', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'test',
-        runs: [
-          { name: 'a', editMode: true },
-          { name: 'b', needs: ['a'], playMode: true },
-          { name: 'c', needs: ['b'], editMode: true },
-        ],
-      };
-
-      const groups = TestSuiteParser.resolveRunOrder(suite);
-      expect(groups).toHaveLength(3);
-      expect(groups[0][0].name).toBe('a');
-      expect(groups[1][0].name).toBe('b');
-      expect(groups[2][0].name).toBe('c');
-    });
-
-    it('should place independent runs in the same group', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'test',
-        runs: [
-          { name: 'root', editMode: true },
-          { name: 'branch-a', needs: ['root'], playMode: true },
-          { name: 'branch-b', needs: ['root'], editMode: true },
-        ],
-      };
-
-      const groups = TestSuiteParser.resolveRunOrder(suite);
-      expect(groups).toHaveLength(2);
-      expect(groups[0]).toHaveLength(1);
-      expect(groups[1]).toHaveLength(2);
-    });
-
-    it('should detect circular dependencies', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'circular',
-        runs: [
-          { name: 'a', needs: ['b'], editMode: true },
-          { name: 'b', needs: ['a'], playMode: true },
-        ],
-      };
-
-      expect(() => TestSuiteParser.resolveRunOrder(suite)).toThrow('Circular dependency');
-    });
-
-    it('should detect three-way circular dependencies', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'circular3',
-        runs: [
-          { name: 'a', needs: ['c'], editMode: true },
-          { name: 'b', needs: ['a'], playMode: true },
-          { name: 'c', needs: ['b'], editMode: true },
-        ],
-      };
-
-      expect(() => TestSuiteParser.resolveRunOrder(suite)).toThrow('Circular dependency');
-    });
-  });
-
-  describe('validateSuite', () => {
-    it('should return no errors for a valid suite', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'valid',
-        runs: [
-          { name: 'a', editMode: true },
-          { name: 'b', needs: ['a'], playMode: true },
-        ],
-      };
-
-      const errors = TestSuiteParser.validateSuite(suite);
-      expect(errors).toHaveLength(0);
-    });
-
-    it('should detect duplicate run names', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'dupes',
-        runs: [
-          { name: 'a', editMode: true },
-          { name: 'a', playMode: true },
-        ],
-      };
-
-      const errors = TestSuiteParser.validateSuite(suite);
-      expect(errors.some((e) => e.includes('Duplicate'))).toBe(true);
-    });
-
-    it('should detect missing test mode', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'no-mode',
-        runs: [{ name: 'empty' }],
-      };
-
-      const errors = TestSuiteParser.validateSuite(suite);
-      expect(errors.some((e) => e.includes('editMode'))).toBe(true);
-    });
-
-    it('should detect self-dependency', () => {
-      const suite: TestSuiteDefinition = {
-        name: 'self-dep',
-        runs: [{ name: 'a', needs: ['a'], editMode: true }],
-      };
-
-      const errors = TestSuiteParser.validateSuite(suite);
-      expect(errors.some((e) => e.includes('depends on itself'))).toBe(true);
-    });
-  });
-});
-
-// ============================================================================
-// Taxonomy Filter Service
-// ============================================================================
-
-describe('TaxonomyFilterService', () => {
-  describe('loadTaxonomy', () => {
-    it('should return built-in dimensions when no file provided', () => {
-      const dimensions = TaxonomyFilterService.loadTaxonomy();
-
-      expect(dimensions.length).toBeGreaterThanOrEqual(7);
-      expect(dimensions.find((d) => d.name === 'Scope')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'Maturity')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'FeedbackSpeed')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'Execution')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'Rigor')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'Determinism')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'IsolationLevel')).toBeDefined();
-    });
-
-    it('should merge custom dimensions from file', () => {
-      const yaml = `
-extensible_groups:
-  - name: SubjectLevel
-    values: [Class, Feature, System, Product]
-  - name: DataScenario
-    values: [HappyPath, EdgeCase]
-`;
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue(yaml);
-
-      const dimensions = TaxonomyFilterService.loadTaxonomy('/taxonomy.yml');
-
-      expect(dimensions.find((d) => d.name === 'SubjectLevel')).toBeDefined();
-      expect(dimensions.find((d) => d.name === 'DataScenario')).toBeDefined();
-      // Built-ins should still exist
-      expect(dimensions.find((d) => d.name === 'Scope')).toBeDefined();
-    });
-
-    it('should merge values for existing dimensions', () => {
-      const yaml = `
-extensible_groups:
-  - name: Scope
-    values: [Unit, Integration, Acceptance]
-`;
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.readFileSync.mockReturnValue(yaml);
-
-      const dimensions = TaxonomyFilterService.loadTaxonomy('/taxonomy.yml');
-      const scope = dimensions.find((d) => d.name === 'Scope');
-
-      expect(scope).toBeDefined();
-      // Should contain built-in + custom values without duplicates
-      expect(scope!.values).toContain('Unit');
-      expect(scope!.values).toContain('Integration');
-      expect(scope!.values).toContain('Acceptance');
-      expect(scope!.values).toContain('System');
-    });
-  });
-
-  describe('buildFilterArgs', () => {
-    it('should return empty string for empty filters', () => {
-      expect(TaxonomyFilterService.buildFilterArgs({})).toBe('');
-    });
-
-    it('should build single-value filter', () => {
-      const result = TaxonomyFilterService.buildFilterArgs({ Maturity: 'Trusted' });
-      expect(result).toBe('--testFilter "Maturity=Trusted"');
-    });
-
-    it('should build multi-value filter with pipe separator', () => {
-      const result = TaxonomyFilterService.buildFilterArgs({ Scope: 'Unit,Integration' });
-      expect(result).toBe('--testFilter "Scope=Unit|Integration"');
-    });
-
-    it('should build regex filter', () => {
-      const result = TaxonomyFilterService.buildFilterArgs({ Maturity: '/Trusted|Adolescent/' });
-      expect(result).toBe('--testFilter "Maturity=~Trusted|Adolescent"');
-    });
-
-    it('should AND multiple dimensions with semicolon', () => {
-      const result = TaxonomyFilterService.buildFilterArgs({
-        Maturity: 'Trusted',
-        Scope: 'Unit',
-      });
-      expect(result).toContain(';');
-      expect(result).toContain('Maturity=Trusted');
-      expect(result).toContain('Scope=Unit');
-    });
-  });
-
-  describe('matchesFilter', () => {
-    it('should match exact value', () => {
-      const match = TaxonomyFilterService.matchesFilter({ Scope: 'Unit', Maturity: 'Trusted' }, { Scope: 'Unit' });
-      expect(match).toBe(true);
-    });
-
-    it('should match comma-separated values', () => {
-      const match = TaxonomyFilterService.matchesFilter({ Scope: 'Integration' }, { Scope: 'Unit,Integration' });
-      expect(match).toBe(true);
-    });
-
-    it('should not match when value is not in list', () => {
-      const match = TaxonomyFilterService.matchesFilter({ Scope: 'End To End' }, { Scope: 'Unit,Integration' });
-      expect(match).toBe(false);
-    });
-
-    it('should require all dimensions to match (AND)', () => {
-      const match = TaxonomyFilterService.matchesFilter(
-        { Scope: 'Unit', Maturity: 'Experimental' },
-        { Scope: 'Unit', Maturity: 'Trusted' },
-      );
-      expect(match).toBe(false);
-    });
-
-    it('should match regex patterns', () => {
-      const match = TaxonomyFilterService.matchesFilter({ Maturity: 'Trusted' }, { Maturity: '/Trusted|Adolescent/' });
-      expect(match).toBe(true);
-    });
-
-    it('should not match when regex does not match', () => {
-      const match = TaxonomyFilterService.matchesFilter(
-        { Maturity: 'Experimental' },
-        { Maturity: '/Trusted|Adolescent/' },
-      );
-      expect(match).toBe(false);
-    });
-
-    it('should return false when test lacks a required dimension', () => {
-      const match = TaxonomyFilterService.matchesFilter({}, { Scope: 'Unit' });
-      expect(match).toBe(false);
-    });
-
-    it('should handle hierarchical dot-notation matching', () => {
-      const match = TaxonomyFilterService.matchesFilter({ Domain: 'Combat.Melee.Sword' }, { Domain: 'Combat.Melee' });
-      expect(match).toBe(true);
-    });
-  });
-});
-
-// ============================================================================
-// Test Result Reporter
-// ============================================================================
-
-describe('TestResultReporter', () => {
-  describe('parseJUnitXml', () => {
-    it('should parse a valid JUnit XML string', () => {
-      const xml = `<?xml version="1.0" encoding="UTF-8"?>
-<testsuite name="EditMode" tests="10" failures="2" skipped="1" time="5.432">
-  <testcase classname="MyTests" name="TestA">
-  </testcase>
-  <testcase classname="MyTests" name="TestB">
-    <failure message="Expected true">
-      <![CDATA[at MyTests.TestB() in TestFile.cs:42]]>
-    </failure>
-  </testcase>
-</testsuite>`;
-
-      const result = TestResultReporter.parseJUnitXml(xml);
-
-      expect(result.runName).toBe('EditMode');
-      expect(result.passed).toBe(7);
-      expect(result.failed).toBe(2);
-      expect(result.skipped).toBe(1);
-      expect(result.duration).toBeCloseTo(5.432);
-      expect(result.failures).toHaveLength(1);
-      expect(result.failures[0].testName).toBe('TestB');
-      expect(result.failures[0].className).toBe('MyTests');
-      expect(result.failures[0].message).toBe('Expected true');
-      expect(result.failures[0].stackTrace).toContain('TestFile.cs:42');
-    });
-
-    it('should handle empty test suite', () => {
-      const xml = `<testsuite name="Empty" tests="0" failures="0" time="0.0"></testsuite>`;
-
-      const result = TestResultReporter.parseJUnitXml(xml);
-      expect(result.passed).toBe(0);
-      expect(result.failed).toBe(0);
-      expect(result.failures).toHaveLength(0);
-    });
-  });
-
-  describe('parseJsonData', () => {
-    it('should parse Unity JSON test result data', () => {
-      const data = {
-        name: 'PlayMode',
-        passed: 15,
-        failed: 2,
-        skipped: 3,
-        duration: 12.5,
-        testResults: [{ name: 'FailingTest', className: 'MyClass', result: 'Failed', message: 'Assert failed' }],
-      };
-
-      const result = TestResultReporter.parseJsonData(data);
-      expect(result.runName).toBe('PlayMode');
-      expect(result.passed).toBe(15);
-      expect(result.failed).toBe(2);
-      expect(result.skipped).toBe(3);
-      expect(result.failures).toHaveLength(1);
-      expect(result.failures[0].testName).toBe('FailingTest');
-    });
-  });
-
-  describe('generateSummary', () => {
-    it('should generate a markdown summary table', () => {
-      const results: TestResult[] = [
-        {
-          runName: 'fast',
-          passed: 10,
-          failed: 0,
-          skipped: 2,
-          duration: 5.0,
-          failures: [],
-        },
-        {
-          runName: 'basic',
-          passed: 20,
-          failed: 1,
-          skipped: 0,
-          duration: 30.0,
-          failures: [{ testName: 'TestX', className: 'ClassX', message: 'Expected 1 but got 2' }],
-        },
-      ];
-
-      const summary = TestResultReporter.generateSummary(results);
-
-      expect(summary).toContain('Test Results Summary');
-      expect(summary).toContain('fast');
-      expect(summary).toContain('basic');
-      expect(summary).toContain('Total');
-      expect(summary).toContain('Failures');
-      expect(summary).toContain('TestX');
-    });
-
-    it('should return message when no results available', () => {
-      const summary = TestResultReporter.generateSummary([]);
-      expect(summary).toContain('No test results');
-    });
-  });
-
-  describe('writeResults', () => {
-    it('should create output directory and write files for json format', () => {
-      mockFs.existsSync.mockReturnValue(false);
-      mockFs.mkdirSync.mockReturnValue(undefined as any);
-      mockFs.writeFileSync.mockReturnValue(undefined);
-
-      const results: TestResult[] = [
-        { runName: 'test', passed: 5, failed: 0, skipped: 0, duration: 1.0, failures: [] },
-      ];
-
-      TestResultReporter.writeResults(results, '/output', 'json');
-
-      expect(mockFs.mkdirSync).toHaveBeenCalledWith('/output', { recursive: true });
-      // Should write JSON + summary
-      expect(mockFs.writeFileSync).toHaveBeenCalledTimes(2);
-    });
-
-    it('should write both formats when specified', () => {
-      mockFs.existsSync.mockReturnValue(true);
-      mockFs.writeFileSync.mockReturnValue(undefined);
-
-      const results: TestResult[] = [
-        { runName: 'test', passed: 5, failed: 0, skipped: 0, duration: 1.0, failures: [] },
-      ];
-
-      TestResultReporter.writeResults(results, '/output', 'both');
-
-      // Should write JSON + JUnit XML + summary = 3 calls
-      expect(mockFs.writeFileSync).toHaveBeenCalledTimes(3);
-    });
-  });
-});
-
-// ============================================================================
-// Test Workflow Service - buildUnityArgs
-// ============================================================================
-
-describe('TestWorkflowService', () => {
-  describe('buildUnityArgs', () => {
-    const baseParams = {
-      projectPath: '/project',
-      targetPlatform: 'StandaloneLinux64',
-      testResultPath: './test-results',
-      testResultFormat: 'junit',
-    } as any;
-
-    it('should build EditMode args', () => {
-      const run: TestRunDefinition = { name: 'edit', editMode: true };
-
-      const args = TestWorkflowService.buildUnityArgs(run, baseParams);
-
-      expect(args).toContain('-batchmode');
-      expect(args).toContain('-nographics');
-      expect(args).toContain('-runTests');
-      expect(args).toContain('-testPlatform EditMode');
-      expect(args).toContain('-projectPath');
-    });
-
-    it('should build PlayMode args', () => {
-      const run: TestRunDefinition = { name: 'play', playMode: true };
-
-      const args = TestWorkflowService.buildUnityArgs(run, baseParams);
-
-      expect(args).toContain('-testPlatform PlayMode');
-    });
-
-    it('should build built-client args', () => {
-      const run: TestRunDefinition = {
-        name: 'client',
-        builtClient: true,
-        builtClientPath: './Builds/Linux',
-      };
-
-      const args = TestWorkflowService.buildUnityArgs(run, baseParams);
-
-      expect(args).toContain('-testPlatform StandalonePlayer');
-      expect(args).toContain('-builtPlayerPath');
-      expect(args).toContain('./Builds/Linux');
-    });
-
-    it('should include taxonomy filter args', () => {
-      const run: TestRunDefinition = {
-        name: 'filtered',
-        editMode: true,
-        filters: { Maturity: 'Trusted', Scope: 'Unit,Integration' },
-      };
-
-      const args = TestWorkflowService.buildUnityArgs(run, baseParams);
-
-      expect(args).toContain('--testFilter');
-      expect(args).toContain('Maturity=Trusted');
-    });
-
-    it('should include build target', () => {
-      const run: TestRunDefinition = { name: 'test', editMode: true };
-
-      const args = TestWorkflowService.buildUnityArgs(run, baseParams);
-
-      expect(args).toContain('-buildTarget StandaloneLinux64');
-    });
-  });
-});

src/model/orchestrator/services/test/README.md

@@ -1,5 +0,0 @@
-# Test Workflow Engine
-
-Service for YAML-based test suite definitions, taxonomy filtering, and structured test results.
-
-See GitHub Issue for full specification.