docs: add REVIEW_REPORT.md with full assessment

Co-authored-by: tt-a1i <53142663+tt-a1i@users.noreply.github.com>

REVIEW_REPORT.md

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+# Code Review Skill & PR #5 Assessment Report
+
+## 1. Skill Architecture Review
+The repository `code-review-excellence` is a highly compliant and well-structured Claude Code Skill.
+
+- **Architecture**: Adopts the **Progressive Disclosure** pattern.
+  - Entry point: `SKILL.md` (Lightweight, English).
+  - Details: `reference/*.md` (Heavyweight, loaded on-demand).
+- **Compliance**: `SKILL.md` includes correct YAML frontmatter (`name`, `description`, `allowed-tools`).
+- **Content Quality**: High. Covers modern standards:
+  - **React**: React 19, Server Components, TanStack Query v5.
+  - **Java**: Java 21, Spring Boot 3, Virtual Threads.
+  - **Rust**: Cancel Safety, `select!` pitfalls.
+
+## 2. PR #5 Assessment (Qt Support)
+**Conclusion: Approved ✅**
+
+- **Content**: Adds `reference/qt.md`.
+- **Quality**: Excellent.
+  - **Memory Management**: Correctly emphasizes `QObject` parent/child ownership and `deleteLater()`.
+  - **Signals & Slots**: Recommends modern functor-based syntax (`&Class::method`).
+  - **Concurrency**: Adopts the "Worker Object + moveToThread" pattern over `QThread` inheritance.
+- **Nitpicks**:
+  - `reference/qt.md` is missing a newline at the end of the file.
+  - Content is in Chinese, consistent with most existing references (Python, Java, Rust), though `cpp.md` is in English.
+
+## 3. Language Strategy Analysis
+**Question**: Should the skill be converted to English?
+
+**Answer**: **Yes, for the long term.**
+- **Token Efficiency**: English text consumes 20-40% fewer tokens than Chinese for technical content.
+- **Model Performance**: LLMs generally perform better with English prompts for complex coding concepts.
+- **Current State**: The repo is mixed (Entry/C++ in English; Python/Java/Rust/React in Chinese).
+- **Recommendation**:
+  - Accept PR #5 in Chinese for now to maintain consistency with the majority of files.
+  - Plan a migration task to convert all references to English for optimal performance.