fix: resolve stop hooks without plugin root env

tests/hooks/hooks.test.js

@@ -1965,7 +1965,7 @@ async function runTests() {
     passed++;
   else failed++;
   if (
-    test('script references use CLAUDE_PLUGIN_ROOT variable or safe SessionStart inline resolver', () => {
+    test('script references use CLAUDE_PLUGIN_ROOT variable or a safe inline resolver', () => {
       const hooksPath = path.join(__dirname, '..', '..', 'hooks', 'hooks.json');
       const hooks = JSON.parse(fs.readFileSync(hooksPath, 'utf8'));
 
@@ -1973,9 +1973,8 @@ async function runTests() {
         for (const entry of hookArray) {
           for (const hook of entry.hooks) {
             if (hook.type === 'command' && hook.command.includes('scripts/hooks/')) {
-              // Check for the literal string "${CLAUDE_PLUGIN_ROOT}" in the command
-              const isSessionStartInlineResolver = hook.command.startsWith('node -e') && hook.command.includes('session:start') && hook.command.includes('run-with-flags.js');
-              const hasPluginRoot = hook.command.includes('${CLAUDE_PLUGIN_ROOT}') || isSessionStartInlineResolver;
+              const isInlineResolver = hook.command.startsWith('node -e') && hook.command.includes('run-with-flags.js');
+              const hasPluginRoot = hook.command.includes('${CLAUDE_PLUGIN_ROOT}') || isInlineResolver;
               assert.ok(hasPluginRoot, `Script paths should use CLAUDE_PLUGIN_ROOT: ${hook.command.substring(0, 80)}...`);
             }
           }
@@ -1990,6 +1989,24 @@ async function runTests() {
     passed++;
   else failed++;
 
+  if (
+    test('Stop and SessionEnd lifecycle hooks use inline resolvers when plugin root may be unset', () => {
+      const hooksPath = path.join(__dirname, '..', '..', 'hooks', 'hooks.json');
+      const hooks = JSON.parse(fs.readFileSync(hooksPath, 'utf8'));
+      const lifecycleHooks = [...(hooks.hooks.Stop || []), ...(hooks.hooks.SessionEnd || [])];
+
+      for (const entry of lifecycleHooks) {
+        for (const hook of entry.hooks || []) {
+          assert.ok(hook.command.startsWith('node -e "'), `Expected inline resolver for lifecycle hook: ${hook.command.substring(0, 80)}...`);
+          assert.ok(hook.command.includes("const hookId='"), 'Inline lifecycle resolver should embed hook identifiers');
+          assert.ok(hook.command.includes('plugins'), 'Inline lifecycle resolver should probe known plugin roots');
+        }
+      }
+    })
+  )
+    passed++;
+  else failed++;
+
   if (
     test('InsAIts hook is opt-in and scoped to high-signal tool inputs', () => {
       const hooksPath = path.join(__dirname, '..', '..', 'hooks', 'hooks.json');

tests/integration/hooks.test.js

@@ -179,6 +179,22 @@ function cleanupTestDir(testDir) {
   fs.rmSync(testDir, { recursive: true, force: true });
 }
 
+function linkPluginCacheInstall(homeDir) {
+  const installRoot = path.join(
+    homeDir,
+    '.claude',
+    'plugins',
+    'cache',
+    'everything-claude-code',
+    'affaan-m',
+    '1.9.0'
+  );
+
+  fs.mkdirSync(path.dirname(installRoot), { recursive: true });
+  fs.symlinkSync(REPO_ROOT, installRoot, process.platform === 'win32' ? 'junction' : 'dir');
+  return installRoot;
+}
+
 function getHookCommandByDescription(hooks, lifecycle, descriptionText) {
   const hookGroup = hooks.hooks[lifecycle]?.find(
     entry => entry.description && entry.description.includes(descriptionText)
@@ -267,6 +283,35 @@ async function runTests() {
     assert.strictEqual(payload.hookSpecificOutput.hookEventName, 'SessionStart');
   })) passed++; else failed++;
 
+  if (await asyncTest('Stop hooks resolve plugin root without CLAUDE_PLUGIN_ROOT', async () => {
+    const hookCommand = getHookCommandByDescription(
+      hooks,
+      'Stop',
+      'Check for console.log in modified files'
+    );
+
+    const testHome = createTestDir();
+
+    try {
+      linkPluginCacheInstall(testHome);
+      const result = await runHookCommand(
+        hookCommand,
+        { tool_input: { file_path: 'src/example.js' } },
+        {
+          CLAUDE_PLUGIN_ROOT: '',
+          HOME: testHome,
+          USERPROFILE: testHome
+        }
+      );
+
+      assert.strictEqual(result.code, 0, 'Stop hook should exit 0 when plugin root is resolved from plugin cache');
+      assert.ok(!result.stderr.includes('/scripts/hooks/run-with-flags.js'), 'Should not fall back to an invalid absolute root path');
+      assert.ok(!result.stderr.includes('MODULE_NOT_FOUND'), 'Should not fail to locate run-with-flags.js');
+    } finally {
+      cleanupTestDir(testHome);
+    }
+  })) passed++; else failed++;
+
   if (await asyncTest('PreCompact hook logs to stderr', async () => {
     const result = await runHookWithInput(path.join(scriptsDir, 'pre-compact.js'), {});
     assert.ok(result.stderr.includes('[PreCompact]'), 'Should output to stderr with prefix');