## Task

Evaluate this code review comment. Read the source file and determine if the issue is valid.

**Instructions:**
1. Read the file mentioned in the review: `packages/core/ai_content_pipeline/ai_content_pipeline/cli/commands/project.py`
2. Check line 23 and surrounding context
3. Determine if the review feedback is valid
4. If valid: Fix the issue in the code
5. If invalid: Explain why the feedback doesn't apply

**Important:** Be concise. Either fix the code or explain in 2-3 sentences why it's not applicable.

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# Review Comment

- **Author:** coderabbitai[bot]
- **File:** `packages/core/ai_content_pipeline/ai_content_pipeline/cli/commands/project.py`
- **Line:** 23
- **Date:** 2026-02-07
- **Comment ID:** 2777690088
- **URL:** https://github.com/donghaozhang/video-agent-skill/pull/22#discussion_r2777690088

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_⚠️ Potential issue_ | _🟠 Major_

**Add type hints + Google‑style docstrings with Cost/Example sections for CLI commands.**

Line 17, Line 35, Line 52, and Line 60 define public functions without type hints or the required docstring sections. Please add type hints and full Google‑style docstrings across all command handlers and `register_project_commands`.
