M7: Remove dead code and unused exports

[pshkv]

Summary

• Remove unused ConfigSchema, PostTweetSchema, SearchTweetsSchema and their type exports from types.ts
• Remove unnecessary export from loggerConfigs (only used internally)
• Update test file to remove references to removed exports

Changes

types.ts

• Removed ConfigSchema (not used anywhere)
• Removed PostTweetSchema (schemas defined inline in mcp.ts)
• Removed SearchTweetsSchema (schemas defined inline in mcp.ts)
• Removed Config, PostTweetArgs, SearchTweetsArgs types
• Removed zod import (no longer needed)

configs/logger/index.ts

• Changed export const loggerConfigs to const loggerConfigs (only used internally)

types.test.ts

• Removed references to deleted schemas in tests

Test plan

• npm run check-types passes
• npm test passes (20 tests)

🤖 Generated with Claude Code