feat: split OpenAPI schema into Mail + Social for ChatGPT

- Hermes Mail: 9 ops (Obsidian + Email)
- Hermes Social: 25 ops (LinkedIn, TikTok, Instagram, FB, Twitter, Telegram, WhatsApp, Discord)
- Full schema still available at /openapi.json

src/manifest.ts

@@ -720,6 +720,80 @@ export function getOpenApiSpec(serverUrl: string) {
   };
 }
 
+const MAIL_PATHS = new Set([
+  '/api/obsidian/search',
+  '/api/obsidian/note',
+  '/api/obsidian/note/append',
+  '/api/obsidian/sync',
+  '/api/email/profile',
+  '/api/email/search',
+  '/api/email/read',
+  '/api/email/send',
+]);
+
+const SOCIAL_PATHS = new Set([
+  '/api/whatsapp/send',
+  '/api/linkedin/profile',
+  '/api/linkedin/post',
+  '/api/linkedin/video',
+  '/api/telegram/message',
+  '/api/telegram/updates',
+  '/api/discord/guilds',
+  '/api/discord/message',
+  '/api/discord/messages',
+  '/api/instagram/profile',
+  '/api/instagram/media',
+  '/api/instagram/post',
+  '/api/instagram/reel',
+  '/api/facebook/page',
+  '/api/facebook/posts',
+  '/api/facebook/post',
+  '/api/facebook/photo',
+  '/api/facebook/video',
+  '/api/twitter/search',
+  '/api/twitter/user',
+  '/api/twitter/tweets',
+  '/api/twitter/video',
+  '/api/tiktok/profile',
+  '/api/tiktok/videos',
+  '/api/tiktok/video',
+]);
+
+function filterPaths(fullSpec: Record<string, unknown>, allowed: Set<string>): Record<string, unknown> {
+  const paths = fullSpec.paths as Record<string, unknown>;
+  const filtered: Record<string, unknown> = {};
+  for (const [key, value] of Object.entries(paths)) {
+    if (allowed.has(key)) filtered[key] = value;
+  }
+  return filtered;
+}
+
+export function getOpenApiSpecMail(serverUrl: string) {
+  const full = getOpenApiSpec(serverUrl);
+  return {
+    ...full,
+    info: {
+      ...full.info,
+      title: 'Hermes Mail',
+      description: 'Email operations across multiple accounts and Obsidian vault access (search, read, append, update notes).',
+    },
+    paths: filterPaths(full, MAIL_PATHS),
+  };
+}
+
+export function getOpenApiSpecSocial(serverUrl: string) {
+  const full = getOpenApiSpec(serverUrl);
+  return {
+    ...full,
+    info: {
+      ...full.info,
+      title: 'Hermes Social',
+      description: 'Social media publishing and analytics: LinkedIn, TikTok, Instagram, Facebook, Twitter/X, Telegram, WhatsApp, Discord.',
+    },
+    paths: filterPaths(full, SOCIAL_PATHS),
+  };
+}
+
 const ACCOUNT_PARAM_SCHEMA = {
   account: {
     type: 'string',