Initial commit: config-driven Twitter bot with multi-prompt support

- Kernel.sh stealth browser for X login and posting
- Claude Sonnet 4.6 for tweet generation
- prompts.json for configurable prompts with frequency/scheduling
- Per-prompt history tracking to avoid repetition
- Scheduler with random time window support

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,6 @@
+node_modules/
+.env
+.state.json
+history.json
+history-*.json
+bot.log