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Author SHA1 Message Date
Parideboy
e8151f059b
fix(opencode): expose headroom/* models in injected provider config (#1716) 
## Description

`headroom wrap opencode` (and `headroom install opencode`) injects a
`provider.headroom` block into the OpenCode config, but the block
contained **no `models` map**. OpenCode only resolves
`<provider>/<model>` ids that are listed in a custom provider's `models`
map, so every documented `headroom/*` model (see
`plugins/opencode/README.md`) failed with:

```text
Error: Model not found: headroom/claude-sonnet-4-6.
```

This PR adds the model map (mirroring `DEFAULT_MODELS` in
`plugins/opencode/src/provider.ts` and the README table) via a single
shared `headroom_provider_entry()` helper used by all three injection
sites. It also fixes a latent bug in the TS helper
`createHeadroomProvider`, which prefixed model **keys** with `headroom/`
— OpenCode would have registered them as `headroom/headroom/<id>`.

Not addressed here (flagged for maintainers): the `headroom-opencode`
npm package referenced by the plugin docs is not published to npm
(registry 404), so the transparent-transport interception path (which
would capture `github-copilot/*` traffic in the dashboard) still depends
on a locally built `plugins/opencode/dist/entry.opencode.js`. With this
fix, the documented `headroom/*` provider route works, so wrapped
OpenCode traffic is proxied and recorded when users select `headroom/*`
models.

Closes #1657

## Type of Change

- [x] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update
- [ ] Performance improvement
- [ ] Code refactoring (no functional changes)

## Changes Made

- `headroom/providers/opencode/config.py`: added
`HEADROOM_OPENCODE_MODELS` (claude-sonnet-4-6, claude-opus-4-6,
claude-haiku-4-5-20251001, gpt-4o, gpt-4.1 — same names/limits as the TS
plugin) and a `headroom_provider_entry(port)` helper that includes the
`models` map; `_render_provider_block` and
`inject_opencode_provider_config` now use it instead of duplicating the
provider dict.
- `headroom/providers/opencode/runtime.py`:
`build_opencode_config_content` reuses `headroom_provider_entry()` so
`OPENCODE_CONFIG_CONTENT` exposes the models too.
- `plugins/opencode/src/provider.ts`: `createHeadroomProvider` no longer
prefixes model keys with `headroom/` (OpenCode namespaces model ids by
provider key; keys must be bare ids).
- `tests/test_providers_opencode_config.py`: assertions that the
injected provider block and `build_opencode_config_content` output
contain a `models` map with bare-id keys including `claude-sonnet-4-6`.

## Testing

- [x] Unit tests pass (`pytest`)
- [x] Linting passes (`ruff check .`)
- [x] Type checking passes (`mypy headroom`)
- [x] New tests added for new functionality
- [ ] Manual testing performed

### Test Output

```text
$ python -m pytest tests/test_providers_opencode_config.py -q
1 failed, rest passed — test_build_launch_env_with_project is a pre-existing
Windows-only failure (json.dumps escapes backslashes in the plugin path);
it fails identically on upstream/main without this change and passes on Linux.

$ ruff check headroom/providers/opencode tests/test_providers_opencode_config.py
All checks passed!
$ ruff format --check .
5 files already formatted
$ mypy headroom --ignore-missing-imports
Success (notes only, no errors)

$ cd plugins/opencode && npm run typecheck && npm test
tsc --noEmit: OK
Test Files  2 passed (2)
Tests  13 passed (13)
```

## Real Behavior Proof

- Environment: Windows 11, Python 3.13, Node v26.3.0, this branch with
the Rust core built locally.
- Exact command / steps: `python -c "from
headroom.providers.opencode.runtime import
build_opencode_config_content; import json;
print(json.dumps(build_opencode_config_content(port=8787,
include_mcp=False)['provider']['headroom'], indent=1))"`
- Observed result: the generated `headroom` provider block now contains
`"models"` with bare-id keys (`claude-sonnet-4-6`, `claude-opus-4-6`,
`claude-haiku-4-5-20251001`, `gpt-4o`, `gpt-4.1`), each with name and
context/output limits; previously the block had no `models` key, which
is exactly why OpenCode returned `Model not found:
headroom/claude-sonnet-4-6`.
- Not tested: a live `opencode run` round-trip against a real OpenCode
install (no OpenCode binary in this environment); dashboard event
capture for `github-copilot/*` models via the transport plugin (blocked
on the unpublished `headroom-opencode` artifact, see Description).

## Review Readiness

- [x] I have performed a self-review
- [x] This PR is ready for human review

## Checklist

- [x] My code follows the project's style guidelines
- [x] I have performed a self-review of my code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] I have updated the CHANGELOG.md if applicable

## Additional Notes

- Docs: `plugins/opencode/README.md` already documents these models; no
doc change needed.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
 2026-07-03 15:20:14 -07:00
Tejas Chopra
ad0034f981
fix(opencode): route native providers + load transport plugin, fix Serena context (#1573) 
## Description

`headroom wrap opencode` looked like it worked (proxy started, opencode
launched) but **no inference reached the proxy**, so users saw zero
savings (#1572). Root causes:

1. The injected synthetic `headroom` provider
(`@ai-sdk/openai-compatible`) had **no `models` and no `apiKey`** →
opencode raised `ProviderModelNotFoundError`, and it only ever targets
OpenAI.
2. The wrap injected a reference to the **unpublished
`headroom-opencode` npm plugin**, which opencode silently failed to
resolve → the transparent transport never loaded.
3. Serena was launched with `--context opencode`, a context Serena does
not ship → crash on launch (#1549).

This PR makes `headroom wrap opencode` route opencode's traffic through
the proxy with the user's **own API key** (no key written to disk), and
gets the transparent transport plugin actually loading.

Closes #1572
Closes #1549

## Type of Change

- [x] Bug fix (non-breaking change that fixes an issue)

## Changes Made

- **`runtime.py`** — two complementary routing layers (both verified
against opencode 1.17):
1. Override opencode's native `anthropic`/`openai` provider `baseURL` to
the proxy. Reliable, credential-independent (covers API key **and**
subscription), keeps native model metadata/limits, reuses the user's
existing key. This is the always-on layer and the only one a pip-only
install needs.
2. Load the transport plugin **by absolute path** when it has been built
(`headroom_opencode_plugin_path()`), self-configured via
`HEADROOM_PROXY_URL`. Covers providers we don't name (Gemini, Copilot,
custom gateways) and providers added mid-session. Loopback URLs aren't
double-routed, so the two layers coexist.
- **`wrap.py`** — Serena context `opencode` → `agent` (valid context).
- **`plugins/opencode/`** — new `src/entry.opencode.ts` loader entry
that exports **only** the plugin function (opencode rejects a module
with non-function exports: "Plugin export is not a function"); tsup
builds it as a second entry.
- **tests** — updated `test_providers_opencode_config.py` for path-based
plugin injection + a skip-when-unbuilt case.

## Testing

- [x] Unit tests pass (`pytest`)
- [x] Linting passes (`ruff check .`)
- [x] Type checking passes (`mypy headroom`)
- [x] New tests added for new functionality
- [x] Manual testing performed

### Test Output

```text
$ python -m pytest tests/test_providers_opencode_config.py tests/test_cli/test_wrap_opencode.py -q
72 passed in 0.59s

$ (cd plugins/opencode && npm test)
Test Files  2 passed (2)
     Tests  9 passed (9)

$ ruff check headroom/providers/opencode/runtime.py headroom/cli/wrap.py tests/test_providers_opencode_config.py
✓ Ruff: No issues found
$ mypy headroom/providers/opencode/runtime.py
Success: no issues found in 1 source file
```

## Real Behavior Proof

- **Environment:** macOS, opencode 1.17.11 (npm), headroom proxy 0.28.0
(local), Anthropic API key from `.env`.
- **Exact command:**
  ```
headroom wrap opencode --no-serena --no-context-tool --no-proxy --port
8787 \
-- run -m anthropic/claude-haiku-4-5-20251001 "Reply with exactly:
WRAPWORKS"
  ```
- **Observed result:** opencode printed `plugin=headroom-opencode`
(loaded, no error) and returned `WRAPWORKS`. The proxy log shows the
request routed through it:
  ```
event=outbound_request method=POST
path=https://api.anthropic.com/v1/messages source=passthrough
  event=proxy_inbound_response path=/v1/messages status=200
  PERF model=claude-haiku-4-5-20251001 cache_hit_pct=97 client=opencode
  ```
  Compression verified on a large tool_result (`client=opencode`):
  ```
Pipeline complete: 170653 -> 77 tokens (saved 170576, 100.0% reduction)
PERF tok_before=151309 tok_after=67 tok_saved=151242
transforms=router:tool_result:log client=opencode
  ```
- **Not tested:** custom OpenAI-compatible gateways (need the proxy to
honor `x-headroom-base-url` in the dedicated OpenAI handler — open PR
#1502); interactive TUI (verified the headless `opencode run` path).

## Review Readiness

- [x] I have performed a self-review
- [x] This PR is ready for human review

## Additional Notes

- **Plugin shipping:** the plugin loads by repo-relative path, which
works for source/editable installs. `plugins/opencode/dist/` is
gitignored, so the plugin must be built (`cd plugins/opencode && npm
install && npm run build`) for layer 2 to activate; pip-only installs
gracefully fall back to layer 1 (native baseURL override). Bundling
`dist/` into the package or publishing `headroom-opencode` to npm is a
follow-up for universal shipping.
- **CHANGELOG:** N/A — handled by Release Please from the conventional
commit.
- Custom-gateway support depends on existing PR #1502 (honor
`x-headroom-base-url` in the dedicated OpenAI handlers); not duplicated
here.

🤖 Generated with [Claude Code](https://claude.com/claude-code)
 2026-06-29 15:04:56 -07:00
Vinay Gupta
6c83790680
fix(opencode): write local MCP config (#1381) 
## Description

Fixes the OpenCode config corruption reported in #1380 for wrap, MCP
registration, and provider-scope install paths.

OpenCode MCP entries are local stdio servers, not remote HTTP endpoints.
This changes Headroom's OpenCode MCP serialization to write `type:
"local"` with `command: ["headroom", "mcp", "serve"]`, uses OpenCode's
`environment` field for MCP env vars, and still reads the older `env`
key for compatibility.

This also stops provider-only OpenCode config injection from creating a
fake `http://127.0.0.1:<port>/mcp` entry, so `headroom wrap opencode
--no-mcp` no longer leaves `mcp.headroom` behind. Finally, the install
CLI/docs now accept and document `--target opencode` with provider
scope.

This does not change the broader `headroom mcp status/uninstall`
behavior from #1380; that looks like a separate follow-up.

## Type of Change

- [x] Bug fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [x] Documentation update
- [ ] Performance improvement
- [ ] Code refactoring (no functional changes)

## Changes Made

- Write OpenCode MCP entries as local stdio config instead of remote
`/mcp` config.
- Use `environment` for OpenCode MCP env vars while continuing to read
legacy `env` entries.
- Stop OpenCode provider injection/persistent provider install from
adding MCP config.
- Keep `--no-mcp` from writing `mcp.headroom` while preserving other MCP
entries such as Serena.
- Allow `headroom install apply --target opencode` at the CLI layer.
- Update OpenCode docs and changelog.

## Testing

- [x] Focused unit tests pass
- [x] Linting passes (`ruff check .`)
- [x] Formatting passes (`ruff format --check .`)
- [x] Type checking passes (`mypy headroom`)
- [x] New tests added for the fixed behavior
- [x] Manual testing performed

### Test Output

```text
$ pytest tests/test_mcp_registry_opencode.py tests/test_cli/test_wrap_opencode.py tests/test_providers_opencode_config.py tests/test_providers_opencode_install.py tests/test_cli/test_install_cli.py tests/test_install/test_providers.py
Pytest: 164 passed

$ uvx ruff check .
All checks passed!

$ uvx ruff format --check .
986 files already formatted

$ uvx mypy --config-file pyproject.toml headroom
Success: no issues found in 398 source files
```

## Real Behavior Proof

- Environment: macOS local worktree at
`/Users/vinaygupta/Desktop/git/headroom-fix-opencode-mcp-config`; branch
`fix-opencode-mcp-config`; commit `aea96208`.
- Exact command / steps: ran the focused OpenCode/installer regression
suite plus Ruff lint/format checks and mypy commands shown above.
- Observed result: the focused tests pass and cover OpenCode MCP
serialization as `type: "local"`, `command: ["headroom", "mcp",
"serve"]`, `environment` env vars, `--no-mcp` not writing
`mcp.headroom`, provider-scope install not adding MCP config, and
`install apply --target opencode` being accepted.
- Not tested: full `pytest` locally, because collection requires the
native `headroom._core` extension in this worktree. Attempting the
project runner hit a local native build failure first: `esaxx-rs` failed
compiling `src/esaxx.cpp` with `fatal error: 'cstdint' file not found`.
The broader generic `headroom mcp status/uninstall` behavior from #1380
is intentionally left for a follow-up.

## Review Readiness

- [x] I have performed a self-review
- [x] This PR is ready for human review

Scope note: generic `mcp status/uninstall` support from #1380 is
intentionally left as a separate follow-up PR.
 2026-06-26 12:23:54 -05:00
Parideboy
487aa71a3c
ci: restore green lint (reformat for ruff 0.15.17, fix mypy no-any-return, pin linters) (#1295) 
## Description

The CI lint job (`ruff check .` → `ruff format --check .` → `mypy
headroom`) was red on `main`
and therefore on every open PR, for two unrelated reasons that the early
ruff failure was masking:

1. **ruff**: the lint job installs `ruff` unpinned, and ruff 0.15.17
began enforcing import-block
sorting (`I001`) and formatting that older ruff accepted → `ruff check
.` / `ruff format --check .`
   fail on files nobody touched.
2. **mypy**: `headroom/providers/opencode/config.py` had two `return
json.loads(...)` statements in
a function declared `-> dict[str, Any]`; `json.loads` is typed `Any`, so
`mypy headroom` fails
with `no-any-return` (reproduced on mypy 1.20.2 — not a version-specific
quirk).

This restores a green lint baseline and pins both linters so a future
release can't silently break
CI again.

## Type of Change

- [x] Bug fix (non-breaking change that fixes an issue)

## Changes Made

- `.github/workflows/ci.yml`: pin `ruff==0.15.17` and `mypy==1.20.2` in
the lint job.
- Applied `ruff check --fix .` (6 `I001` import-sort fixes) and `ruff
format .` (10 files) across
  the repo — import ordering and whitespace only, no behavior change.
- `headroom/providers/opencode/config.py`: narrow both
`_parse_json_loose` return sites with an
`isinstance(parsed, dict)` guard, so the `dict[str, Any]` annotation is
true at runtime
(non-dict JSON falls back to `{}`) and mypy's `no-any-return` is
resolved.

## Testing

- [x] Unit tests pass (`pytest`)
- [x] Linting passes (`ruff check .`, `ruff format --check .`, `mypy
headroom --ignore-missing-imports`)

### Test Output

```text
$ python -m ruff check .
All checks passed!

$ python -m ruff format --check .
913 files already formatted

$ python -m mypy headroom/providers/opencode/config.py --ignore-missing-imports
Success: no issues found in 1 source file

$ python -m pytest tests/test_providers_opencode_config.py -q
37 passed
```

## Real Behavior Proof

- Environment: Windows 11, Python 3.13, ruff 0.15.17, mypy 1.20.2,
branch ci/fix-ruff-lint off
  headroomlabs-ai/main
- Exact command / steps: reproduced the red lint (latest ruff: 6 `I001`
+ 10 unformatted files;
the mypy failure was read from the #1295 CI lint log —
`config.py:125,133 no-any-return`, and
re-confirmed locally on mypy 1.20.2). Applied the ruff auto-fix/format,
added the dict guard,
  pinned both linters, and re-ran each lint step.
- Observed result: `ruff check .` → "All checks passed!"; `ruff format
--check .` → "913 files
already formatted"; `mypy` on the fixed file → "Success: no issues
found"; full `mypy headroom`
reports only Unix `fcntl` attributes that don't exist on this Windows
box (present on the Linux
CI runner, where the prior run showed exactly the two now-fixed errors).
37 opencode-config
  tests pass.
- Not tested: did not run the full OS/Python test matrix — the change is
formatting + two CI
dependency pins + a two-line type-narrowing guard, with no runtime
behavior change for dict JSON.

## Review Readiness

- [x] I have performed a self-review
- [x] This PR is ready for human review

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
 2026-06-22 15:14:40 -05:00
Rudimar Ronsoni
b4571cc346
feat: headroom wrap opencode / unwrap opencode CLI (#1105) 
## Summary

This PR implements transparent `headroom wrap opencode` support without
asking users to edit OpenCode provider URLs, choose an extra CLI flag,
or maintain a static provider list.

The wrapper now lives at the runtime transport boundary: OpenCode keeps
its user/provider config, while Headroom intercepts outbound provider
traffic in-process and routes it through the local Headroom proxy.

## What changed

### Transparent OpenCode wrapping

- `headroom wrap opencode` injects the `headroom-opencode` plugin
through `OPENCODE_CONFIG_CONTENT`.
- Existing OpenCode provider URLs are preserved. We do not rewrite user
config URLs to point at Headroom.
- Existing `OPENAI_BASE_URL` and `ANTHROPIC_BASE_URL` env vars are
preserved.
- Local OpenCode traffic, localhost traffic, and Headroom proxy traffic
bypass the shim to avoid loops.

### Runtime transport interception

- Added an OpenCode plugin transport shim that wraps:
  - `globalThis.fetch`
  - `http.request` / `http.get`
  - `https.request` / `https.get`
- External provider calls are routed to the local Headroom proxy.
- The original upstream origin is passed through `x-headroom-base-url`,
so the proxy can forward to the real provider without changing OpenCode
config.
- External `http2.connect` is blocked loudly instead of allowing direct
provider traffic to leak outside Headroom.

### Live provider additions

Provider coverage is no longer based on a static config scan. Because
routing happens at outbound request time, providers added mid-session
are routed through Headroom automatically as long as they use the
covered Node transport paths.

### Subagent and child-process coverage

- The parent OpenCode plugin sets a packaged Node preload shim through
`NODE_OPTIONS=--import=.../hook-shim/handler.js`.
- The transport shim patches `child_process.spawn`, `exec`, `execFile`,
and `fork` so child Node processes receive the Headroom preload even
when OpenCode passes a custom `env`.
- The child-process shim fails closed if it loads without
`HEADROOM_OPENCODE_TRANSPORT_PROXY_URL`.
- This closes the subagent leak path where a child Node process could
otherwise start without Headroom transport interception.

## Why this goes beyond PR #1089

PR #1089 improves OpenCode provider registration, but it still focuses
on provider config shape. This PR moves the enforcement boundary to
runtime transport interception.

This PR goes further because:

- No provider URL rewriting is required.
- New providers added mid-session are covered automatically.
- Subagents and child Node processes inherit the Headroom transport
shim.
- Direct external HTTP/2 paths fail loudly instead of leaking.
- The wrap remains transparent to the user's OpenCode provider config.
- The wrapper is fail-closed for unsupported child-process preload
state.

## Additional robustness fixes

While validating the change in Docker, the full Python suite exposed
unrelated Linux/container robustness issues. These are fixed in this PR
so the suite is green:

- Binary cache handling now treats cache paths under a non-writable
existing parent as unavailable, including when tests run as root in
Docker.
- `release_version.py` honors `MANUAL_VER` before git calls so direct
script execution works outside a `.git` checkout.
- Test logger isolation now resets relevant Headroom child loggers so
proxy logging setup cannot poison later `caplog` tests.
- The scanner missing-path test now uses a guaranteed missing `tmp_path`
child instead of relying on `/nonexistent/path`.

## Validation

All implementation validation was run inside Docker.

- Full Python suite from a fresh Docker copy: `6605 passed, 523
skipped`.
- Ruff on changed Python/OpenCode paths: passed.
- OpenCode plugin typecheck: passed.
- OpenCode plugin tests: `9 passed`.
- OpenCode plugin build: passed.
- Hook shim preload smoke test: passed.

## Notes

This PR intentionally does not add a CLI option. `headroom wrap
opencode` means full wrap. Either Headroom wraps OpenCode transparently,
or the path fails loudly instead of silently leaking provider traffic.

---------

Co-authored-by: Rudimar Ronsoni <6081613+rudironsoni@users.noreply.github.com>
 2026-06-22 11:07:12 -05:00