#!/usr/bin/env node
// SessionStart hook for ArcheFlow plugin.
// Injects the using-archeflow skill as additional context.

const fs = require("fs");
const path = require("path");

try {
  const pluginRoot = path.resolve(__dirname, "..");
  const skillFile = path.join(pluginRoot, "skills", "using-archeflow", "ACTIVATION.md");

  if (!fs.existsSync(skillFile)) {
    console.log("{}");
    process.exit(0);
  }

  const raw = fs.readFileSync(skillFile, "utf8");

  // Strip YAML frontmatter
  const stripped = raw.replace(/^---\n[\s\S]*?\n---\n?/, "");

  if (!stripped.trim()) {
    console.log("{}");
    process.exit(0);
  }

  console.log(JSON.stringify({
    hookSpecificOutput: {
      hookEventName: "SessionStart",
      additionalContext: stripped
    }
  }));
} catch (e) {
  console.log("{}");
}