geometric-langlands-cli 0.2.0

User-friendly CLI for the Geometric Langlands computational framework
Documentation 
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use anyhow::Result;
use colored::Colorize;
use std::path::Path;
use crate::config::Config;

pub async fn start_repl(
    load: Option<&Path>,
    auto_save: bool,
    history: Option<&Path>,
    config: &Config,
) -> Result<()> {
    println!("{}", "Welcome to the Geometric Langlands REPL!".green().bold());
    println!("{}", "Type 'help' for available commands or 'exit' to quit.".cyan());
    
    if let Some(load_path) = load {
        println!("Loading session from: {}", load_path.display());
        // Load session state
    }
    
    if auto_save {
        println!("{}", "Auto-save enabled".yellow());
    }
    
    if let Some(history_path) = history {
        println!("Using history file: {}", history_path.display());
    }
    
    // Simple REPL loop simulation
    // In a real implementation, this would use rustyline for interactive input
    println!("\n{}", "REPL simulation - showing sample interactions:".blue());
    
    // Simulate some interactions
    simulate_repl_interaction().await?;
    
    println!("\n{}", "REPL session ended.".green());
    Ok(())
}

async fn simulate_repl_interaction() -> Result<()> {
    let interactions = vec![
        ("langlands> create group g GL 3", "Created group g: GL(3)"),
        ("langlands> create form f g 2", "Created automorphic form f: Eisenstein series of weight 2"),
        ("langlands> compute correspondence", "Langlands correspondence: computed ✓\nVerified: ✓"),
        ("langlands> compute hecke 5", "T_5(f) = 2.236068"),
        ("langlands> plot hecke", "Plot would open in viewer (not implemented in CLI simulation)"),
        ("langlands> verify ramanujan", "Ramanujan conjecture at p=2: ✓\nRamanujan conjecture at p=3: ✓\nRamanujan conjecture at p=5: ✓"),
        ("langlands> save session.json", "Session saved to: session.json"),
        ("langlands> help", "Available commands:\n  create <type> <name> [args] - Create mathematical objects\n  compute <operation> - Perform computations\n  plot <type> - Generate plots\n  verify <property> - Verify properties\n  save/load <file> - Session management\n  vars - List all variables\n  help - Show this help\n  exit - Exit REPL"),
        ("langlands> exit", "Goodbye!")
    ];
    
    for (input, output) in interactions {
        println!("{}", input.blue());
        tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
        println!("{}", output);
        println!();
        tokio::time::sleep(tokio::time::Duration::from_millis(300)).await;
    }
    
    Ok(())
}