- Replace expect/CLI hack with direct HTTP API call
(GET api.anthropic.com/api/oauth/usage with OAuth token)
- Add fetchAllClaudeUsage() for per-token usage fetching
- Export getAllTokens() from token-rotation for usage queries
- Dashboard shows each account separately (Claude1⚡, Claude2)
with ⚡ for active token, 🚫 for rate-limited