diff --git a/e2e/specs/repertoire-real.e2e.ts b/e2e/specs/repertoire-real.e2e.ts
index 5ba95f1..e9d3001 100644
--- a/e2e/specs/repertoire-real.e2e.ts
+++ b/e2e/specs/repertoire-real.e2e.ts
@@ -40,7 +40,7 @@ function fixtureHasManifest(repo: string, ref: string, filename: string): boolea
   try {
     const out = execFileSync(
       'gh',
-      ['api', `/repos/${repo}/git/trees/${ref}`, '--recursive'],
+      ['api', `/repos/${repo}/git/trees/${ref}?recursive=1`],
       { encoding: 'utf-8', stdio: 'pipe' },
     );
     const tree = JSON.parse(out) as { tree: { path: string }[] };
diff --git a/package.json b/package.json
index b0cf1f1..fb9e53c 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "test:e2e:codex": "npm run test:e2e:provider:codex",
     "test:e2e:opencode": "npm run test:e2e:provider:opencode",
     "lint": "eslint src/",
-    "check:release": "npm run build && npm run lint && npm run test && npm run test:e2e",
+    "check:release": "npm run build && npm run lint && npm run test && npm run test:e2e; code=$?; if [ \"$code\" -eq 0 ]; then msg='check:release passed'; else msg=\"check:release failed (exit=$code)\"; fi; if command -v osascript >/dev/null 2>&1; then osascript -e \"display notification \\\"$msg\\\" with title \\\"takt\\\" subtitle \\\"Release Check\\\"\" >/dev/null 2>&1 || true; fi; echo \"[takt] $msg\"; exit $code",
     "prepublishOnly": "npm run lint && npm run build && npm run test"
   },
   "keywords": [
diff --git a/src/__tests__/it-config-provider-options.test.ts b/src/__tests__/it-config-provider-options.test.ts
index 5659f53..c714d8b 100644
--- a/src/__tests__/it-config-provider-options.test.ts
+++ b/src/__tests__/it-config-provider-options.test.ts
@@ -24,6 +24,9 @@ vi.mock('../core/piece/phase-runner.js', () => ({
 
 vi.mock('../shared/utils/index.js', async (importOriginal) => ({
   ...(await importOriginal<Record<string, unknown>>()),
+  notifySuccess: vi.fn(),
+  notifyError: vi.fn(),
+  playWarningSound: vi.fn(),
   generateReportDir: vi.fn().mockReturnValue('test-report-dir'),
 }));
 
diff --git a/src/__tests__/it-pipeline-modes.test.ts b/src/__tests__/it-pipeline-modes.test.ts
index b419cf6..810e47d 100644
--- a/src/__tests__/it-pipeline-modes.test.ts
+++ b/src/__tests__/it-pipeline-modes.test.ts
@@ -86,10 +86,6 @@ vi.mock('../shared/utils/index.js', async (importOriginal) => ({
   ...(await importOriginal<Record<string, unknown>>()),
   notifySuccess: vi.fn(),
   notifyError: vi.fn(),
-}));
-
-vi.mock('../shared/utils/index.js', async (importOriginal) => ({
-  ...(await importOriginal<Record<string, unknown>>()),
   generateSessionId: vi.fn().mockReturnValue('test-session-id'),
   createSessionLog: vi.fn().mockReturnValue({
     startTime: new Date().toISOString(),
diff --git a/src/__tests__/it-pipeline.test.ts b/src/__tests__/it-pipeline.test.ts
index 2410ec2..702d342 100644
--- a/src/__tests__/it-pipeline.test.ts
+++ b/src/__tests__/it-pipeline.test.ts
@@ -68,10 +68,6 @@ vi.mock('../shared/utils/index.js', async (importOriginal) => ({
   ...(await importOriginal<Record<string, unknown>>()),
   notifySuccess: vi.fn(),
   notifyError: vi.fn(),
-}));
-
-vi.mock('../shared/utils/index.js', async (importOriginal) => ({
-  ...(await importOriginal<Record<string, unknown>>()),
   generateSessionId: vi.fn().mockReturnValue('test-session-id'),
   createSessionLog: vi.fn().mockReturnValue({
     startTime: new Date().toISOString(),
diff --git a/src/__tests__/pipelineExecution.test.ts b/src/__tests__/pipelineExecution.test.ts
index 8f90869..1c2f099 100644
--- a/src/__tests__/pipelineExecution.test.ts
+++ b/src/__tests__/pipelineExecution.test.ts
@@ -68,6 +68,9 @@ vi.mock('../shared/utils/index.js', async (importOriginal) => ({
     debug: vi.fn(),
     error: vi.fn(),
   }),
+  notifySuccess: vi.fn(),
+  notifyError: vi.fn(),
+  playWarningSound: vi.fn(),
   getSlackWebhookUrl: (...args: unknown[]) => mockGetSlackWebhookUrl(...args as []),
   sendSlackNotification: (...args: unknown[]) => mockSendSlackNotification(...(args as [string, string])),
   buildSlackRunSummary: (...args: unknown[]) => mockBuildSlackRunSummary(...(args as [unknown])),
diff --git a/vitest.config.ts b/vitest.config.ts
index 918e5bf..bc1916b 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -4,6 +4,7 @@ export default defineConfig({
   test: {
     env: {
       TAKT_CONFIG_DIR: '',
+      TAKT_NOTIFY_WEBHOOK: '',
     },
     include: ['src/__tests__/**/*.test.ts'],
     environment: 'node',