Add unified analytics tracking for all CLIProxy-routed providers
(Gemini/Droid, Codex, OpenCode, Antigravity, Qwen) alongside
existing Claude JSONL data.
- New transformer converts CLIProxy usage API response to
DailyUsage/HourlyUsage/MonthlyUsage types
- New syncer periodically fetches CLIProxy data (5min interval)
and persists snapshots to ~/.ccs/cache/cliproxy-usage/
- Aggregator treats CLIProxy as 3rd data source alongside
default Claude config and CCS instances
- Charts automatically show multi-provider data in unified view
- Graceful degradation when CLIProxy is unavailable