v0.9.3

## Fixes
- Proxy always returns a `usage` block, so agents such as CodeBuddy show context-window counts even when the upstream omits it (#1084, #1120)
- Structured-output JSON is enforced on streaming responses too (#985)
- Moonshot assistant partial-prefill flag is preserved through the proxy (#1040)
- `TRUST_PROXY` is honoured for client IPs behind a reverse proxy (#1041)
- Playground scroll stays inside its transcript pane (#1037)

## Performance
- Quota panel no longer ranks the whole observation log on every poll (#1123)
- Quota observation log is pruned in 5k-row chunks (#1124)
- Covering index for the latency percentile queries (#1019)

## Providers and agents
- Sail Research adapter (#1125)
- AtomCode added to the agents catalog (#1025)

## Analytics
- Sortable columns on the recent-calls, usage-by-key and per-model tables (#495)
- Full error message on hover in the recent-errors table (#489)

## Desktop
- Linux build now ships an `.rpm` alongside the AppImage and tar.xz (#981)

## Docs
- Docs reorganised into per-domain folders with overviews and changelogs (#979)

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