## 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: `issues/todo/ViMax_Complete_Integration_Package/src/agents/novel_compressor.py`
2. Check line 146 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:** `issues/todo/ViMax_Complete_Integration_Package/src/agents/novel_compressor.py`
- **Line:** 146
- **Date:** 2026-02-03
- **Comment ID:** 2756912862
- **URL:** https://github.com/donghaozhang/video-agent-skill/pull/16#discussion_r2756912862

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_⚠️ Potential issue_ | _🔴 Critical_

**Return type mismatch: returns tuple but annotated as `str`.**

The method returns `(index, compressed_novel_chunk)` at Line 146, but the return type annotation says `str`. Also, the `index` parameter at Line 128 is missing a type hint.
