chore: add commitlint and rename analytics proxy

- Switch to commitlint for conventional commit enforcement
- Rename PostHog proxy from /ingest to /idata to bypass ad blockers

Author: SamHatoum

.husky/commit-msg

@@ -0,0 +1 @@
+npx --no -- commitlint --edit "$1"

.vitepress/theme/index.ts

@@ -9,7 +9,7 @@ export default {
       const isLocal = window.location.hostname === 'localhost';
 
       posthog.init('phc_elW8D8ol33mfOT9p9OHf7oIeovn9r0wGE4QloAnoi0y', {
-        api_host: isLocal ? 'https://us.i.posthog.com' : '/ingest',
+        api_host: isLocal ? 'https://us.i.posthog.com' : '/idata',
         capture_pageview: false, // We'll capture manually for SPA
         persistence: isLocal ? 'memory' : 'localStorage+cookie',
       });

commitlint.config.js

@@ -0,0 +1,20 @@
+export default {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    'no-claude-references': [2, 'always'],
+  },
+  plugins: [
+    {
+      rules: {
+        'no-claude-references': ({ raw }) => {
+          const pattern = /claude|anthropic|co-authored-by.*claude/i;
+          const pass = !pattern.test(raw);
+          return [
+            pass,
+            'Commit message must not contain references to Claude or Anthropic',
+          ];
+        },
+      },
+    },
+  ],
+};