## 🚀 Pull Request

### 📝 Description

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<!-- Reference related issues using "Fixes #123", "Closes #456", or "Relates to #789" -->

### 🛠️ Changes Implemented

<!-- Detail the specific modifications, additions, or removals made in this pull request -->
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### 🧪 Testing Strategy

<!-- Describe the testing methodology used to verify the correctness of these changes -->
<!-- Include testing approach, scenarios covered, and edge cases considered -->

### 📸 Visual Changes _(if applicable)_

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## ⚠️ Required Pre-Submission Checklist

### **Please Read - This Checklist is Mandatory**

> **Important Notice:** We've experienced several production bugs recently due to incomplete pre-submission checks. To maintain code quality and prevent issues from reaching production, we're enforcing stricter adherence to this checklist.
>
> **All checkboxes below must be completed before requesting review.** PRs that haven't completed these requirements will be sent back for completion.

#### **Mandatory Requirements** _(please check ALL boxes)_:

- [ ] **Code adheres to project style guidelines and conventions**
- [ ] **Branch synchronized with latest `develop` branch** _(please resolve any merge conflicts)_
- [ ] **🚨 CRITICAL: Automated unit tests added/updated to cover changes** _(MANDATORY for ALL Spring Boot backend and Angular frontend changes - this is non-negotiable)_
- [ ] **🚨 CRITICAL: All tests pass locally** _(run `./gradlew test` for Spring Boot backend, and `ng test` for Angular frontend - NO EXCEPTIONS)_
- [ ] **🚨 CRITICAL: Manual testing completed in local development environment** _(verify your changes work AND no existing functionality is broken - test related features thoroughly)_
- [ ] **Flyway migration versioning follows correct sequence** _(if database schema was modified)_
- [ ] **Documentation PR submitted to [booklore-docs](https://github.com/booklore-app/booklore-docs)** _(required for features or enhancements that introduce user-facing or visual changes)_

#### **Why This Matters:**

Recent production incidents have been traced back to:

- **Incomplete testing coverage (especially backend)**
- Merge conflicts not resolved before merge
- Missing documentation for new features

**Backend changes without tests will not be accepted.** By completing this checklist thoroughly, you're helping maintain the quality and stability of Booklore for all users.

**Note to Reviewers:** Please verify the checklist is complete before beginning your review. If items are unchecked, kindly ask the contributor to complete them first.

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### 💬 Additional Context _(optional)_

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