# DOX — packages/client/src/lib

Files in this directory. One row per source file.

| File | Purpose |
|------|---------|
| `context-usage.ts` | Exports `buildContextUsageMap(sessionStates, sessions): Map<string, ContextUsageInfo>`. → see `context-usage.ts.AGENTS.md` |
| `use-loopback-link-open.ts` | `useLoopbackLinkOpen()` → `(e,href)` click handler shared by `MarkdownContent.a()` + `UrlLink`. → see `use-loopback-link-open.ts.AGENTS.md` |