change project's gitignore

src/lib/errors.ts

@@ -19,7 +19,7 @@ export class AuthError extends CLIError {
 
 export class ProjectNotLinkedError extends CLIError {
   constructor() {
-    super('No project linked. Run `insforge projects link` first.', 3, 'PROJECT_NOT_LINKED');
+    super('No project linked. Run `insforge link` first.', 3, 'PROJECT_NOT_LINKED');
   }
 }
 

src/lib/skills.ts

@@ -1,9 +1,39 @@
 import { exec } from 'node:child_process';
+import { existsSync, readFileSync, appendFileSync } from 'node:fs';
+import { join } from 'node:path';
 import { promisify } from 'node:util';
 import * as clack from '@clack/prompts';
 
 const execAsync = promisify(exec);
 
+const GITIGNORE_ENTRIES = [
+  '.insforge',
+  '.agent',
+  '.agents',
+  '.augment',
+  '.claude',
+  '.cline',
+  '.github/copilot*',
+  '.kilocode',
+  '.qoder',
+  '.qwen',
+  '.roo',
+  '.trae',
+  '.windsurf',
+];
+
+function updateGitignore(): void {
+  const gitignorePath = join(process.cwd(), '.gitignore');
+  const existing = existsSync(gitignorePath) ? readFileSync(gitignorePath, 'utf-8') : '';
+  const lines = new Set(existing.split('\n').map((l) => l.trim()));
+
+  const missing = GITIGNORE_ENTRIES.filter((entry) => !lines.has(entry));
+  if (!missing.length) return;
+
+  const block = `\n# InsForge & AI agent skills\n${missing.join('\n')}\n`;
+  appendFileSync(gitignorePath, block);
+}
+
 export async function installSkills(json: boolean): Promise<void> {
   try {
     if (!json) clack.log.info('Installing InsForge agent skills...');
@@ -15,4 +45,10 @@ export async function installSkills(json: boolean): Promise<void> {
   } catch {
     if (!json) clack.log.warn('Failed to install agent skills. You can run manually: npx skills add insforge/agent-skills');
   }
+
+  try {
+    updateGitignore();
+  } catch {
+    // non-critical, silently ignore
+  }
 }