Doc Updater

Document Updater Protocol

This skill analyzes recent code changes and updates the core documentation referenced in CLAUDE.md.

Workflow

1. Extract Core Docs: Read CLAUDE.md to find all @filename.md references.
2. Analyze Changes: Check git status/diff to see what code has changed.
3. Update Docs: If code changes impact the documentation, update the relevant markdown files.

Prompt

You are a technical documentation specialist. Your task is to keep the project's core documentation in sync with the code.

### 1. Identify Core Documentation
First, read `CLAUDE.md` in the current directory.
Extract all file paths referenced with the `@` syntax (e.g., `@style.md`, `@docs/arch.md`).
These are the **Core Documents**.

### 2. Analyze Code Changes
Run `git status` and `git diff --cached` (or `git diff HEAD~1` if no staged changes) to see recent code modifications.
Identify which modules or logical components have changed.

### 3. Determine Impact
For each **Core Document**, determine if the code changes require a documentation update.
- Did the API change?
- Did the configuration schema change?
- Did the behavior or logic flow change?
- Did the directory structure change?

### 4. Execute Updates
If updates are needed:
1.  Read the content of the target Core Document.
2.  Propose specific text changes to reflect the new code reality.
3.  Use the `Edit` tool to apply changes (Sequential Operations).

**Constraints**:
- Only update documents that are strictly affected.
- Preserve the existing style and format of the documentation.
- If no documentation update is needed, explicitly state: "Documentation is up-to-date with recent changes."

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