## Summary
- Wire up the existing `document_format` feature to LSP via stateless
workers
- Add `Format` kind to stateless worker dispatch, with a lightweight
`forward_format` path in `Compiler` (no compilation/deps needed — just
file path + content)
- Register `textDocument/formatting` and `textDocument/rangeFormatting`
handlers with `scoped_pause`
- Style lookup uses `clang::format::getStyle` which walks parent
directories for `.clang-format`, matching clangd's behavior
## Test plan
- [x] 4 unit tests: simple format, range format, idempotent (no edits),
include sort
- [x] 3 integration tests: full document format (verifies applied edits
match expected output), range format, already-formatted no-op
- [x] Capability assertions added to `test_capabilities`
- [x] All existing tests pass (554 unit, 170 integration, 2 smoke)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
## Release Notes
* **New Features**
* Added document formatting and range formatting capabilities to the LSP
server
* Formatting can target the entire document or a specific range of code
* Server now advertises formatting support to LSP clients
* **Tests**
* Added comprehensive test coverage for formatting functionality
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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