v0.1.6 — Direct Mode Usage Monitoring

What's Changed

Direct Mode Usage Monitoring

• Session sync now uses model prefix as provider_id instead of _session
• Dashboard shows session usage totals in direct mode
• Dashboard hides Local Route section when proxy is stopped
• UsagePage auto-syncs session logs on mount with manual sync button

Bug Fixes

• Usage queries now read from proxy_request_logs (was reading empty usage_records)
• Fixed deadlock in get_usage_provider_stats (Mutex reentrancy)
• Fixed 30-Day Trend chart bars not rendering (CSS height chain)
• Added backend logging with timing to all usage handlers

Cleanup

• Merged cost_calculator.rs into session_usage.rs
• Removed dead UsageExtractor trait
• Removed dead get_proxy_request_logs and ProxyRequestLogEntry

Full Changelog: v0.1.5...v0.1.6

What's Changed

• feat: direct mode usage monitoring, session sync cleanup by @huangbogeng in #29

Full Changelog: v0.1.5...v0.1.6