fix: resolve init warnings for research skill and native binary detection

lib/parallel-execution.js

@@ -48,7 +48,8 @@ export function detectTeammateTool() {
     }
 
     if (isNativeBinary(claudePath)) {
-      return { available: false, reason: 'Native binary detected - patching not supported', isNative: true };
+      // Native Claude Code binaries have built-in parallel execution via Task tool
+      return { available: true, method: 'native', isNative: true };
     }
 
     const cliContent = fs.readFileSync(claudePath, 'utf8');
@@ -151,7 +152,8 @@ export function enableTeammateTool() {
     }
 
     if (isNativeBinary(claudePath)) {
-      return { success: false, error: 'Native binary detected - patching not supported. TeammateTool patching only works with npm-installed Claude Code.' };
+      // Native binaries have built-in support, no patching needed
+      return { success: true, message: 'Native binary has built-in parallel execution support', alreadyEnabled: true };
     }
 
     // Backup original

lib/presets.js

@@ -212,7 +212,7 @@ export function listPresets() {
 export function validateConfiguration(config) {
   const errors = [];
   const availableAgents = ['orchestrator', 'architect', 'backend', 'frontend', 'tester', 'reviewer', 'fixer', 'product-analyzer'];
-  const availableSkills = ['product-tracking', 'validation', 'testing', 'conversation', 'product-planning', 'deployment'];
+  const availableSkills = ['product-tracking', 'validation', 'testing', 'conversation', 'product-planning', 'deployment', 'research'];
   const availableHooks = Object.keys(hookConfigurations);
 
   // Always require orchestrator

test/unit/parallel-execution.test.js

@@ -39,7 +39,8 @@ describe('Parallel Execution', () => {
       expect(result.reason).toContain('binary not found');
     });
 
-    it('should detect native Mach-O binary and skip patching', () => {
+    it('should detect native Mach-O binary as having built-in parallel support', () => {
+      // Native Claude Code binaries have built-in Task tool parallel execution
       execSync.mockImplementation((cmd) => {
         if (cmd.includes('npm root -g')) {
           return '/usr/local/lib/node_modules\n';
@@ -64,8 +65,8 @@ describe('Parallel Execution', () => {
 
       const result = detectTeammateTool();
 
-      expect(result.available).toBe(false);
-      expect(result.reason).toContain('Native binary');
+      expect(result.available).toBe(true);
+      expect(result.method).toBe('native');
       expect(result.isNative).toBe(true);
     });
 
@@ -157,7 +158,8 @@ describe('Parallel Execution', () => {
   });
 
   describe('enableTeammateTool', () => {
-    it('should reject native Mach-O binary', () => {
+    it('should report native Mach-O binary as already enabled', () => {
+      // Native binaries have built-in parallel support, no patching needed
       execSync.mockImplementation((cmd) => {
         if (cmd.includes('npm root -g')) {
           return '/usr/local/lib/node_modules\n';
@@ -182,8 +184,8 @@ describe('Parallel Execution', () => {
 
       const result = enableTeammateTool();
 
-      expect(result.success).toBe(false);
-      expect(result.error).toContain('Native binary');
+      expect(result.success).toBe(true);
+      expect(result.alreadyEnabled).toBe(true);
     });
 
     it('should create backup before patching', () => {

test/unit/presets.test.js

@@ -315,6 +315,34 @@ describe('validateConfiguration', () => {
     const result = validateConfiguration(config);
     expect(result.valid).toBe(true);
   });
+
+  it('should accept research skill (regression test)', () => {
+    // Regression test: research skill was in default preset but missing from availableSkills
+    const config = {
+      agents: ['orchestrator'],
+      skills: ['research'],
+      hooks: [],
+      gates: []
+    };
+
+    const result = validateConfiguration(config);
+    expect(result.valid).toBe(true);
+    expect(result.errors).not.toContain(expect.stringContaining('Invalid skills'));
+  });
+
+  it('default preset skills should all be valid', () => {
+    // Ensure all skills in the default preset pass validation
+    const config = {
+      agents: presets.default.agents,
+      skills: presets.default.skills,
+      hooks: presets.default.hooks,
+      gates: presets.default.gates
+    };
+
+    const result = validateConfiguration(config);
+    const skillErrors = result.errors.filter(e => e.includes('Invalid skills'));
+    expect(skillErrors).toHaveLength(0);
+  });
 });
 
 describe('generateHooksConfig', () => {