# Get changed files
git diff --name-only HEAD~1 HEAD

# Get change summary
git diff --stat HEAD~1 HEAD

# Get detailed changes for documentation
git diff HEAD~1 HEAD -- "*.py" "*.ts" "*.js" "*.go" "*.rs"

## Features

- **New Feature Name** - Brief description of what it does

## API

### `newFunction(param: Type): ReturnType`

Description of the function and its purpose.

## Usage

```python
# Updated example reflecting new API
result = module.new_function(param="value")

## [Unreleased]

### Added
- Add user authentication endpoint (#123)

### Changed
- Update database connection pool size for better performance

### Fixed
- Fix race condition in async queue processor (#124)

### Deprecated
- Deprecate `old_function()` in favor of `new_function()`

### Removed
- Remove support for Python 3.8

### Security
- Fix XSS vulnerability in user input handling

## [Unreleased]

### Added
- New feature description

### Changed
- Change description

# Find docs that reference changed functions/classes
grep -r "changed_function\|ChangedClass" docs/

def function(param: str) -> bool:
    """Updated description reflecting new behavior.

    Args:
        param: Updated parameter description.

    Returns:
        Updated return value description.

    Raises:
        ValueError: If param is invalid (new error case).
    """

/**
 * Updated description reflecting new behavior.
 *
 * @param param - Updated parameter description
 * @returns Updated return value description
 * @throws {Error} If param is invalid (new error case)
 */
function func(param: string): boolean {

## Post-Implementation Steps

After completing implementation:
1. Run `dependency-sync` skill to update manifests
2. Run `post-impl-docs` skill to update documentation
3. Verify build/tests still pass
4. Commit all changes together

{
  "status": "success",
  "updates": {
    "readme": {
      "updated": true,
      "sections_modified": ["Features", "API"]
    },
    "changelog": {
      "updated": true,
      "entries_added": [
        {"type": "feat", "description": "Add user authentication endpoint"}
      ]
    },
    "docs_folder": {
      "files_updated": ["docs/api.md", "docs/getting-started.md"],
      "references_fixed": 3
    },
    "docstrings": {
      "functions_updated": 5,
      "classes_updated": 2
    }
  },
  "commit_sha": "abc123"
}

{
  "status": "no_changes",
  "reason": "Changes are internal implementation only",
  "analysis": {
    "change_type": "refactor",
    "public_api_affected": false,
    "documentation_impact": "none"
  }
}