chore: remove fake seed configs, add openclaw one-click install

Delete 20 seed configs with fabricated install counts.
Add OpenClaw AI assistant gateway config with real packages.

Author: fullstackjam

migrations/0016_seed_openclaw_config.sql

@@ -0,0 +1,41 @@
+-- Remove all seed configs with fake install counts (real downloads = 0)
+DELETE FROM configs WHERE id IN (
+  'ob-seed-react-frontend',
+  'ob-seed-vue-frontend',
+  'ob-seed-go-backend',
+  'ob-seed-python-backend',
+  'ob-seed-nodejs-backend',
+  'ob-seed-java-spring',
+  'ob-seed-rust-backend',
+  'ob-seed-rails-backend',
+  'ob-seed-t3-fullstack',
+  'ob-seed-ios-developer',
+  'ob-seed-android-dev',
+  'ob-seed-devops-sre',
+  'ob-seed-platform-eng',
+  'ob-seed-data-science',
+  'ob-seed-security-eng',
+  'ob-seed-unity-gamedev',
+  'ob-seed-web3-dev',
+  'ob-seed-design-dev',
+  'ob-seed-starter-kit',
+  'ob-seed-tech-writer'
+);
+
+-- Add OpenClaw one-click install config
+INSERT INTO configs (id, user_id, slug, name, description, base_preset, packages, custom_script, visibility, alias, dotfiles_repo, install_count, featured)
+VALUES (
+  'ob-seed-openclaw',
+  'google_102596069106824335469',
+  'openclaw',
+  'OpenClaw — AI Assistant',
+  'One-click setup for OpenClaw (ClawdBot) — a personal AI assistant gateway that connects Claude, GPT, Gemini and more to Telegram, Discord, WhatsApp, Slack, WeChat, and iMessage.',
+  'minimal',
+  '[{"name":"node","type":"formula","desc":"JavaScript runtime (v22 recommended)"},{"name":"git","type":"formula","desc":"Version control"},{"name":"curl","type":"formula","desc":"HTTP transfer tool"},{"name":"wget","type":"formula","desc":"File downloader"},{"name":"jq","type":"formula","desc":"JSON processor"},{"name":"openclaw","type":"npm","desc":"Personal AI assistant gateway"}]',
+  '',
+  'public',
+  'openclaw',
+  '',
+  0,
+  1
+);