Release grok-build-hud v0.3.0: Claude-HUD-style same-window status for Grok Build

Multi-line tmux strip (context, quota, tools, todos, git), theme sync with
Grok UI, full/essential/minimal presets, one-shot installer, EN+ZH docs,
and 40 unit tests.

CHANGELOG.md

@@ -0,0 +1,32 @@
+# Changelog
+
+## 0.3.0
+
+### Highlights
+- **Claude-HUD parity multi-line strip** (same Terminal window via tmux)
+  - Line 1: model · project · git · live · title · effort
+  - Line 2: Context bar + tokens · Usage/quota · time · turns · tools · errors · diff
+  - Line 3: tool activity · agents · todos · product breakdown
+- **Presets**: `full` / `essential` / `minimal` (Claude HUD naming)
+- **Theme sync with Grok UI**: reads `~/.grok/config.toml` `[ui].theme`
+  - Palettes: tokyonight, groknight, grokday, rosepinemoon, oscuramindnight
+- **Bold + wide bars** for readability (`bold`, `barWidth` in config)
+- **Quota** from real `cli-chat-proxy.grok.com` billing (weekly % + monthly + GrokBuild split)
+- CLI: `grok-build-hud`, `grok-hud`, `grok-hud-run`
+- One-shot installer: `bash scripts/install.sh` / `npm run setup`
+- Docs: README + **README.zh-CN.md**, MIGRATION, CONTRIBUTING, troubleshooting
+
+### Fixes
+- Single dashboard daemon (no multi-writer fights)
+- Theme follows Grok TUI, not only Terminal.app profile
+- PATH / install docs for “command not found”
+
+## 0.2.0
+
+- Same-window tmux HUD
+- Hooks + status files
+- Billing integration
+
+## 0.1.0
+
+- Initial one-shot / watch CLI