• Merge pull request #600 from kaitranntt/fix/548-claude-quota-balance
• fix(cliproxy): harden quota guards and review follow-ups
• fix(cliproxy): close remaining quota edge-case gaps
• fix(cliproxy): split claude quota fetcher for maintainability gate
• Merge remote-tracking branch 'origin/dev' into fix/548-claude-quota-balance
• feat(cliproxy): add Claude quota windows and account failover