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## Description
Adds first-class Grok Build support to Headroom so Grok CLI sessions can
route through the local proxy for context compression and savings
tracking.
This PR introduces `headroom wrap grok-build` / `headroom unwrap
grok-build`, a `grok_build` provider slice, Grok MCP registrar support,
and install/telemetry wiring so Grok traffic is attributed correctly in
the proxy and dashboard.
Review follow-up (`9368c413`): when users already own
`[model.grok-build]` in `~/.grok/config.toml`, wrap rewrites `base_url`
in that table in place instead of appending a duplicate header (invalid
TOML).
## Type of Change
- [x] New feature (non-breaking change that adds functionality)
## Changes Made
- Added `headroom/providers/grok_build/` with runtime helpers,
reversible `~/.grok/config.toml` injection, and install env builders.
- Added `headroom wrap grok-build` and `headroom unwrap grok-build` CLI
commands.
- Added `GrokRegistrar` for Headroom MCP registration in Grok config.
- Wired `grok_build` into install planner/registry, agent savings,
telemetry, and proxy client detection (`grok/` user agent).
- **Review fix:** rewrite `base_url` inside an existing user-owned
`[model.grok-build]` table in place (`# was: …` metadata).
- Added regression tests + docs (`grok-build.mdx`, `proxy.mdx`) and
CHANGELOG entry.
## Testing
- [x] Unit tests pass (`pytest`)
- [x] New tests added for new functionality
- [x] Manual testing performed
### Test Output
```text
$ pytest -q tests/test_provider_grok_build.py tests/test_mcp_registry/test_grok_registrar.py
============================== 12 passed in 1.13s ==============================
```
See **Screenshots** below for terminal captures (pytest, review-fix
in-place rewrite, proxy `/readyz`, unwrap).
## Real Behavior Proof
- Environment: macOS, Python 3.11.12 venv, feat/grok-build @ `
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| .. | ||
| app | ||
| components | ||
| content/docs | ||
| lib | ||
| overrides | ||
| screenshots | ||
| .gitignore | ||
| bun.lock | ||
| claude-code-bedrock-headroom.md | ||
| next.config.mjs | ||
| observability.md | ||
| package-lock.json | ||
| package.json | ||
| platform-feature-matrix.json | ||
| platform-stabilization.md | ||
| postcss.config.mjs | ||
| proxy.ts | ||
| README.md | ||
| rtk-architecture.md | ||
| source.config.ts | ||
| tsconfig.json | ||
| vercel.json | ||
docs
This is a Next.js application generated with Create Fumadocs.
Run development server:
npm run dev
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pnpm dev
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Explore
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| Route | Description |
|---|---|
app/(home) |
The route group for your landing page and other pages. |
app/docs |
The documentation layout and pages. |
app/api/search/route.ts |
The Route Handler for search. |
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