Helper script to populate reports to analyze code evolution overtime based on Codee metrics

scripts/post_processing_codee_reports/README.md

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+# Codee Report Analyzer
+
+Analyze Codee reports over time and generate interactive HTML visualizations.
+
+## Overview
+
+This script analyzes multiple Codee reports, tracking how checker findings evolve over time.
+It supports both JSON and HTML report formats and generates an interactive HTML dashboard with three
+charts:
+
+- **Total Findings Over Time**: Line chart showing total findings per report
+- **Findings by Checker**: Line chart for each unique checker type found
+- **Findings by Priority Level**: Line chart grouped by L1/L2/L3/L4 priority
+
+## Requirements
+
+- Python 3.10+
+- pandas
+
+## Installation
+
+```bash
+pip install pandas
+```
+
+## Usage
+
+### Basic Usage
+
+```bash
+python analyze_codee_reports.py <input_directory> <output_directory>
+```
+
+### Input Formats
+
+The script automatically detects the input format:
+
+** Codee JSON Reports** (from `codee checks --json`):
+- Searches recursively for `*.json` files
+- Example directory structure:
+  ```
+  reports/
+  ├── screening-1.json
+  ├── screening-2.json
+  └── subdir/
+      └── screening-3.json
+  ```
+
+**Codee HTML Reports** (from `codee --html`):
+- Searches recursively for `report.js` files
+- When HTML reports are found, the generated dashboard includes links to open each original report
+- Example directory structure:
+  ```
+  reports/
+  ├── run-2024-01-01/
+  │   ├── report.js
+  │   └── ...
+  └── run-2024-02-01/
+      ├── report.js
+      └── ...
+  ```
+
+## Dashboard Features
+
+The generated HTML dashboard includes:
+
+- **Interactive charts**: Hover for tooltips, click on points to open original reports
+- **Summary cards**: Show report count, unique checkers found, and the total findings from the latest report
+- **Links section**: Table with links to open each original HTML report
+- **Responsive design**: Works on desktop and mobile
+- **No external dependencies**: Uses Chart.js from CDN (internet required for first load)
+
+## Understanding the Charts
+
+### Total Findings
+Shows the sum of all checker findings for each report over time. Click on any point to open the original report (if available).
+
+### Findings by Checker
+Displays each unique checker type (e.g., PWR007, PWR068) as a separate line, allowing you to see which specific checkers contribute to findings.
+
+### Findings by Priority Level
+Groups findings by their severity level:
+- **L1** (Red): High priority
+- **L2** (Orange): Medium priority
+- **L3** (Green): Low priority
+- **L4** (Light Green): Very-low priority
+
+## Troubleshooting
+
+### "No JSON/HTML files found"
+- Ensure your input directory contains valid report files
+- For JSON: look for `*.json` files
+- For HTML: look for directories containing `report.js`
+
+### "Malformed JSON/JS"
+- One or more files are corrupted
+- The script will skip these files and continue
+
+### "No valid timestamp"
+- Some files may be missing the timestamp field
+- The script will skip these files and continue