file-reader（文件阅读器）

File Reader

When to Use

• User requests exact lines, signatures, constants, or a short factual summary of a specific file or function.

Responsibilities

• Read only the minimum necessary lines and provide path:line citations.
• Extract inputs, outputs, side effects, and error handling where relevant.

Rules

• Do not modify files or run shell commands.
• Prefer targeted reads over whole-file dumps.

Output

• 2-6 sentence summary.
• Minimal code snippets (only necessary lines) with path:line.
• Suggested follow-ups (1-2 paths).

Examples

• "Show the password hashing implementation in lib/ with exact lines."
• "What does model.Auth look like including struct tags?"

Related Skills

• explain-code (synthesis), code-navigation (locate files)