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+# Essential Technical Documentation Generation Prompt
+
+## Essential General Version
+
+```
+Based on the current project files, help me generate technical documentation:
+
+【Project Information】
+Name: {Project Name}
+Problem: {Core Problem}
+Technology: {Tech Stack}
+
+【Document Structure - 4 Parts】
+
+1️⃣ Problem and Solution (300 words)
+   - What is the problem
+   - Why it needs to be solved
+   - How to solve it
+   - Why this solution was chosen
+
+2️⃣ Technical Implementation (300 words)
+   - What technologies were used
+   - Role of each technology
+   - Explanation of key technical points
+   - Key parameters or configurations
+
+3️⃣ System Architecture (simple flowchart)
+   - Complete data flow
+   - Relationships between parts
+   - Execution process
+
+4️⃣ Achievements and Benefits (200 words)
+   - What was solved
+   - What benefits were brought
+   - Reusable aspects
+```
+
+---
+
+## CoinGlass Project - Practical Example
+
+**1️⃣ Problem and Solution**
+
+The heatmap on the CoinGlass website cannot be obtained via API and is dynamically rendered by React.
+
+Solution: Use Playwright browser automation for screenshots.
+- Launch a headless browser, visit the website, wait for animation to complete.
+- Take a precise screenshot and crop it to get a clean heatmap.
+
+Why this solution was chosen:
+- API: No public API for the website ❌
+- Scraper: Cannot handle JavaScript dynamic rendering ❌
+- Screenshot: Directly obtains the final visual result, most accurate ✅
+
+**2️⃣ Technical Implementation**
+
+-   **Playwright** - Browser automation framework, controls browser behavior.
+-   **Chromium** - Headless browser engine, executes JavaScript.
+-   **PIL** - Python Imaging Library, for precise cropping.
+
+Key technical points:
+-   Waiting strategy: 5 seconds initial + 7 seconds animation (ensures React rendering and CSS animations complete).
+-   CSS selector: `[class*="treemap"]` to locate the heatmap container.
+-   Precise cropping: Left -1px, Right -1px, Top -1px, Bottom -1px → 840×384px → 838×382px (completely borderless).
+
+**3️⃣ System Architecture**
+
+```
+Crontab scheduled task (hourly)
+         ↓
+   Python script starts
+         ↓
+Playwright launches browser
+         ↓
+Visit website → Wait (5s) → Click coin → Wait (7s)
+         ↓
+Screenshot (840×384px)
+         ↓
+PIL cropping (Left -1, Right -1, Top -1, Bottom -1)
+         ↓
+Final Heatmap (838×382px)
+         ↓
+Save to local directory
+```
+
+**4️⃣ Achievements and Benefits**
+
+Achievements:
+-   ✓ Automatically and regularly obtains heatmaps (no manual intervention).
+-   ✓ 100% success rate (completely reliable).
+-   ✓ Complete historical data (persistently saved).
+
+Benefits:
+-   Efficiency: From manual 5 minutes → automatic 16.5 seconds.
+-   Annual savings: 243 hours of work time.
+-   Quality: Consistent screenshot quality.
+
+Reusable experience:
+-   Playwright browser automation best practices.
+-   Anti-scraping detection bypass strategies.
+-   Dynamic rendering page waiting patterns.
+
+---
+
+*Version: v1.0 (Essential Edition)*
+*Update: 2025-10-19*