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@@ -1,26 +1,36 @@
 # lmc
 
-Bun CLI tool for streaming LLM chat with inline markdown rendering.
+TypeScript CLI tool for streaming LLM chat with inline markdown rendering.
 
 ## Commands
 
 ```
-bun run dev                   # dev run
-bun run prod                  # run bundled output
-bun run check                 # biome lint + format + organize imports
+pnpm run dev                  # dev run (rolldown bundle + node)
+pnpm run check                # biome lint + format + organize imports + typecheck
+pnpm run build                # check + bundle index.ts and tts.ts (minified ESM)
+pnpm run build:bin            # check + bundle with esbuild (CJS) + build SEA binaries
+pnpm run clean                # remove dist/
 ```
 
 ## Architecture
 
-- `index.ts` — CLI entry point, orchestration
+- `src/index.ts` — LMC CLI entry point, orchestration
+- `src/tts.ts` — TTSC CLI entry point (text-to-speech, Kokoro pipeline via `uv run`)
+- `src/config.ts` — `initConfig()`, `loadConfig()`: manages `~/.lmc_config.json`
+- `src/conversation.ts` — `Conversation` class: load/save to `~/.lmc_convo.json`
+- `src/errors.ts` — `handleTopLevel()`: TTY-aware error wrapping
+- `src/prompts.ts` — `commitDiff()`, `reviewFile()`, `reviewDiff()`, `file()`: prompt builders
 - `src/render/index.ts` — `Renderer` class: streams LLM response, buffers markdown, renders to stdout/stderr
-- `src/render/markdown.ts` — `renderMarkdown()`: syntax-highlighted markdown via `@comark/ansi` + Shiki
+- `src/render/markdown.ts` — `renderMarkdown()`: markdown via `marked` + Shiki + `@cliffy/table`
+- `src/render/codeToANSI.ts` — Shiki token output to ANSI escape sequences
 
 ## Gotchas
 
-- **Bun only** — not Node. Use `Bun.file()`, `Bun.argv`, `Bun.sleep()`.
+- **Node.js** — Use modern Node APIs (`node:fs/promises`, `node:stream/consumers`, etc.).
 - **No tests** — none exist.
-- **Biome config**: double quotes, space indent, auto-import-organize on. Run `bun run check` before committing.
+- **Biome config**: double quotes, space indent, auto-import-organize on. `pnpm run check` also runs `tsc --noEmit`.
+- **Build tools**: rolldown for ESM bundles, esbuild for CJS binaries, `node --build-sea` for SEA single-executable apps.
+- **TTS**: requires Python with `uv` — Kokoro pipeline lives in `tts/`.
 
 ## Style