# Migration Log: Attendance Module
**Date:** March 17, 2026
**Lead Developer:** Gemini CLI
**Branch:** `feat/attendance-migration`

## 📋 Specific Changes by Component

### 1. Backend API (`backend/api/employee/`)
- **File:** `employee_attendance_history.php`
- **Change:** Complete refactor.
- **Details:** 
    - Removed legacy conditional table checks.
    - Implemented a `LEFT JOIN` between `attendance_logs` and `time_logs`.
    - Returns finalized JSON structure: `date`, `status`, `time_in`, `time_out`, `break_in`, `break_out`, `total_hours`.
    - **Team Note:** This endpoint now requires the `system_hris_db` schema to be active.

### 2. Frontend Core (`frontend/src/`)
- **File:** `package.json`
    - Added `lucide-react` dependency for iconography.
- **File:** `api/attendance.js`
    - Added `fetchAttendanceHistory` function.
- **File:** `pages/EmployeeDashboard.jsx`
    - Integrated `<AttendanceModule />`.
    - Replaced generic `DataPanel` placeholder logic for the "My Attendance" view.

### 3. New Migration Files
- **Styles:** `src/styles/AttendanceModule.css`
    - Full conversion of prototype Tailwind classes to Vanilla CSS.
- **Hooks:** `src/hooks/useAttendanceHistory.js`
    - Logic for fetching and managing attendance state.
- **Components:** `src/components/AttendanceModule.jsx`
    - Self-contained UI featuring dynamic stats cards and attendance table.

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## 🕒 Activity Timeline
- **04:40 PM**: Started research and dependency mapping between `HRIS_Test` and `team-cluster2`.
- **04:49 PM**: Generated and approved Migration Design Document.
- **04:55 PM**: Completed Backend API refactor to support full time log data.
- **05:03 PM**: Finished Tailwind-to-Vanilla CSS conversion for the Attendance UI.
- **05:10 PM**: Successfully integrated and verified the component within `EmployeeDashboard`.
- **05:15 PM**: Performed Git cleanup: created `feat/attendance-migration` and reset `main`.

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## 📜 Summary of Accomplishment
Successfully completed **Phase 1** of the module migration. The Attendance system is now fully integrated into the main application codebase. It is strictly isolated from other developer modules and follows the finalized database schema. The UI maintains modern aesthetics through native Vanilla CSS, ensuring compatibility with the project's existing styling rules.

**Status:** Ready for Review / Testing.