diff --git a/apps/frontend/src/main/agent/agent-queue.ts b/apps/frontend/src/main/agent/agent-queue.ts
index a2157588..11122ddb 100644
--- a/apps/frontend/src/main/agent/agent-queue.ts
+++ b/apps/frontend/src/main/agent/agent-queue.ts
@@ -19,9 +19,6 @@ import { transformIdeaFromSnakeCase, transformSessionFromSnakeCase } from '../ip
 import { transformRoadmapFromSnakeCase } from '../ipc-handlers/roadmap/transformers';
 import type { RawIdea } from '../ipc-handlers/ideation/types';
 import { getPathDelimiter } from '../platform';
-import { readSettingsFile } from '../settings-utils';
-import { debounce } from '../utils/debounce';
-import { writeFileWithRetry } from '../utils/atomic-file';
 
 /** Maximum length for status messages displayed in progress UI */
 const STATUS_MESSAGE_MAX_LENGTH = 200;
diff --git a/apps/frontend/src/main/index.ts b/apps/frontend/src/main/index.ts
index 4e438940..6df4ae9e 100644
--- a/apps/frontend/src/main/index.ts
+++ b/apps/frontend/src/main/index.ts
@@ -52,11 +52,9 @@ import { readSettingsFile } from './settings-utils';
 import { setupErrorLogging } from './app-logger';
 import { initSentryMain } from './sentry';
 import { preWarmToolCache } from './cli-tool-manager';
-import { initializeClaudeProfileManager, getClaudeProfileManager } from './claude-profile-manager';
-import { isProfileAuthenticated } from './claude-profile/profile-utils';
+import { initializeClaudeProfileManager } from './claude-profile-manager';
 import { isMacOS, isWindows } from './platform';
-import { ptyDaemonClient } from './terminal/pty-daemon-client';
-import type { AppSettings, AuthFailureInfo } from '../shared/types';
+import type { AppSettings } from '../shared/types';
 
 // ─────────────────────────────────────────────────────────────────────────────
 // Window sizing constants
diff --git a/apps/frontend/src/main/ipc-handlers/claude-code-handlers.ts b/apps/frontend/src/main/ipc-handlers/claude-code-handlers.ts
index e1470ab9..02c8ff13 100644
--- a/apps/frontend/src/main/ipc-handlers/claude-code-handlers.ts
+++ b/apps/frontend/src/main/ipc-handlers/claude-code-handlers.ts
@@ -890,8 +890,8 @@ function checkProfileAuthentication(configDir: string): AuthCheckResult {
       }
     }
 
-    // On Linux and Windows, also check .credentials.json (Claude CLI stores tokens here)
-    if ((isLinux() || isWindows()) && existsSync(credentialsJsonPath)) {
+    // On Linux, also check .credentials.json (Claude CLI may store tokens here)
+    if (isLinux() && existsSync(credentialsJsonPath)) {
       const content = readFileSync(credentialsJsonPath, 'utf-8');
       const data = JSON.parse(content);
 
diff --git a/apps/frontend/src/main/ipc-handlers/github/release-handlers.ts b/apps/frontend/src/main/ipc-handlers/github/release-handlers.ts
index b4f2ada7..35ba66a2 100644
--- a/apps/frontend/src/main/ipc-handlers/github/release-handlers.ts
+++ b/apps/frontend/src/main/ipc-handlers/github/release-handlers.ts
@@ -19,7 +19,8 @@ import { getWhichCommand } from '../../platform';
  */
 function checkGhCli(): { installed: boolean; error?: string } {
   try {
-    execFileSync(getWhichCommand(), ['gh'], { encoding: 'utf-8', stdio: 'pipe' });
+    const checkCmd = `${getWhichCommand()} gh`;
+    execSync(checkCmd, { encoding: 'utf-8', stdio: 'pipe' });
     return { installed: true };
   } catch {
     return {
diff --git a/apps/frontend/src/main/ipc-handlers/github/utils/subprocess-runner.ts b/apps/frontend/src/main/ipc-handlers/github/utils/subprocess-runner.ts
index 5206c02e..42bdcafd 100644
--- a/apps/frontend/src/main/ipc-handlers/github/utils/subprocess-runner.ts
+++ b/apps/frontend/src/main/ipc-handlers/github/utils/subprocess-runner.ts
@@ -20,7 +20,6 @@ import type { AuthFailureInfo, BillingFailureInfo } from '../../../../shared/typ
 import { parsePythonCommand } from '../../../python-detector';
 import { detectAuthFailure, detectBillingFailure } from '../../../rate-limit-detector';
 import { getClaudeProfileManager } from '../../../claude-profile-manager';
-import { getOperationRegistry, type OperationType } from '../../../claude-profile/operation-registry';
 import { isWindows, isMacOS } from '../../../platform';
 
 const execAsync = promisify(exec);
diff --git a/apps/frontend/src/main/platform/paths.ts b/apps/frontend/src/main/platform/paths.ts
index 3019c6c6..e15c9c67 100644
--- a/apps/frontend/src/main/platform/paths.ts
+++ b/apps/frontend/src/main/platform/paths.ts
@@ -298,14 +298,11 @@ export function getOllamaInstallCommand(): string {
 /**
  * Get the command to find executables in PATH
  *
- * Windows: Full path to where.exe (C:\Windows\System32\where.exe)
- *          Using full path ensures it works even when System32 isn't in PATH,
- *          which can happen in restricted environments or when Electron doesn't
- *          inherit the full system PATH.
+ * Windows: where.exe
  * Unix: which
  */
 export function getWhichCommand(): string {
-  return isWindows() ? getWhereExePath() : 'which';
+  return isWindows() ? 'where.exe' : 'which';
 }
 
 /**
diff --git a/tests/test_spec_pipeline.py b/tests/test_spec_pipeline.py
index db312d1e..0b2b4c47 100644
--- a/tests/test_spec_pipeline.py
+++ b/tests/test_spec_pipeline.py
@@ -19,7 +19,8 @@ import atexit
 from pathlib import Path
 from unittest.mock import MagicMock, patch
 
-pytestmark = pytest.mark.slow
+# Add auto-claude directory to path for imports
+sys.path.insert(0, str(Path(__file__).parent.parent / "apps" / "backend"))
 
 # Add auto-claude directory to path for imports
 sys.path.insert(0, str(Path(__file__).parent.parent / "apps" / "backend"))