req-cli 0.1.0

Managed requirements CLI for LLM agents and humans
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// Discharges REQ-0001 for the project-creation sub-surface.
// Discharges REQ-0001 (project-creation sub-surface) and REQ-0075 (directory
// layout selection at init time).
use anyhow::{anyhow, Result};

use crate::cli::{InitArgs, LayoutArg};
use crate::model::Project;
use crate::storage;

pub fn run(args: InitArgs) -> Result<()> {
    if args.output.exists() && !args.force {
        return Err(anyhow!(
            "{} already exists — pass --force to overwrite",
            args.output.display()
        ));
    }
    let project = Project::new(args.name);
    match args.layout {
        LayoutArg::Single => storage::save(&args.output, &project)?,
        LayoutArg::Directory => storage::save_directory(&args.output, &project)?,
    }
    println!(
        "Initialized empty .req project '{}' at {} ({} layout)",
        project.name,
        args.output.display(),
        match args.layout {
            LayoutArg::Single => "single-file",
            LayoutArg::Directory => "directory",
        },
    );
    println!();
    println!("Next steps:");
    println!("  req help agents --install      # write the agent trigger table into AGENTS.md");
    println!("  req hooks install              # pre-commit + merge driver (add --claude-code");
    println!("                                 #   to also write .claude/settings.json)");
    println!("  req mcp --init-config          # bootstrap .mcp.json for MCP-capable clients");
    println!("  req add --help                 # add your first requirement");
    Ok(())
}