feat: add support for the Trae tool adapter

[cherrwer]

Summary by CodeRabbit

• New Features
  • Add Trae tool integration to export commands as Trae-compatible Markdown with frontmatter metadata.
• Documentation
  • Update supported-tools reference with Trae configuration and OPSX command path guidance.
• Tests
  • Add tests covering Trae adapter path generation and frontmatter/file formatting.
• Chores
  • Ignore Trae runtime files by adding .trae/ to .gitignore.

[coderabbitai]

📝 Walkthrough

Walkthrough

Adds a new Trae command adapter that formats commands into Markdown with YAML frontmatter, re-exports and registers it, updates docs and .gitignore, and adds tests covering path and formatting behavior.

Changes

Cohort / File(s)	Summary
Config & Docs /.gitignore, docs/supported-tools.md	Ignored .trae/ entry added; docs updated to point Trae commands to .trae/commands/opsx/ and note OPSX binding (/opsx:*).
Adapter Implementation src/core/command-generation/adapters/trae.ts	New traeAdapter implementing ToolCommandAdapter with getFilePath(commandId) and formatFile(content); includes YAML-escaping and tags serialization; emits files under .trae/commands/opsx/<id>.md.
Exports & Registry src/core/command-generation/adapters/index.ts, src/core/command-generation/registry.ts	traeAdapter re-exported and registered in CommandAdapterRegistry.
Tests test/core/command-generation/adapters.test.ts	Added tests for traeAdapter covering toolId, path construction (using path.join), YAML frontmatter formatting, and empty-tags handling.

Sequence Diagram(s)

sequenceDiagram
    participant Client as Client
    participant Registry as CommandAdapterRegistry
    participant Adapter as traeAdapter
    participant FS as FileSystem

    Client->>Registry: request adapter for Trae
    Registry-->>Client: returns traeAdapter
    Client->>Adapter: getFilePath(commandId)
    Adapter-->>Client: ".trae/commands/opsx/<id>.md"
    Client->>Adapter: formatFile(commandContent)
    Adapter->>Adapter: YAML-escape fields, serialize tags, build markdown
    Adapter-->>Client: formatted Markdown with frontmatter
    Client->>FS: write file to returned path

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Suggested reviewers

• TabishB

Poem

🐰 I hop through .trae with a jaunty beat,
I tuck commands in opsx beds so neat,
YAML pillows, tags all in a row,
Markdown carrots lined up in a row,
Hooray — new adapter, ready to meet!

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'feat: add support for the Trae tool adapter' directly and accurately describes the main change: implementing a new Trae command adapter across the codebase.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[coderabbitai]

Actionable comments posted: 1

🤖 Fix all issues with AI agents

In @.gitignore:
- Around line 149-151: Update the comment for the Trae entry to match the
project's comment style by adding a space after the hash; change the existing
"#Trae" comment to "# Trae" directly above the ".trae/" ignore rule so it is
consistent with other entries (e.g., "# Claude", "# Pnpm") in the .gitignore.

🧹 Nitpick comments (2)

docs/supported-tools.md (1)

36-36: Nit: the (via /opsx:*) annotation is unique to Trae.

Other adapters that also use the commands/opsx/ path pattern (Claude, CodeBuddy, Crush, Gemini, Qoder) don't include this annotation. Consider removing it for consistency, or adding it to the other similar entries.

src/core/command-generation/adapters/trae.ts (1)

10-22: Consider extracting shared YAML helpers to a common utility.

escapeYamlValue and formatTagsArray are duplicated across multiple adapters: Claude, Windsurf, and Cursor (and now Trae). Extracting them into a shared module (e.g., adapters/utils.ts) would reduce maintenance burden when the escaping logic needs updating.

Not blocking for this PR since it follows the established pattern.