egui-cha-analyzer: Static analyzer for egui UI flow

Extracts and visualizes the UI -> Action -> State flow from egui code.

Example

use egui_cha_analyzer::Analyzer;

let analyzer = Analyzer::new();
let result = analyzer.analyze_file("src/app.rs")?;

// Generate Mermaid flowchart
let mermaid = result.to_mermaid();