feat: rebrand Metapi to BoosAPI, add ComfyUI agent and user management

- Rename project from Metapi to BoosAPI across all UI and server strings
- Add ComfyUI conversational agent page (/comfyui-agent)
- Add user management system (register, login, API keys, admin)
- Update Dockerfile and database schema
- Add ComfyUI workflow nodes support
- Update shared contracts and platform configurations

Signed-off-by: Boos4721 <boos4721@icloud.com>

drizzle/meta/_journal.json

@@ -183,6 +183,13 @@
       "when": 1776944000000,
       "tag": "0026_site_probe_latency_threshold",
       "breakpoints": true
+    },
+    {
+      "idx": 26,
+      "version": "6",
+      "when": 1777000000000,
+      "tag": "0027_users_table",
+      "breakpoints": true
     }
   ]
-}
+}