function createSession(): Session

interface Session {
  tokenize(content: string, filename: string): TokenizeResult;
  rehydrate(content: string): RehydrateResult;
  getReport(): SessionReport;
}

import { createSession } from '@takumo/aegis';

const session = createSession();

// Now use session.tokenize() and session.rehydrate()

async function processWithAI(code: string, prompt: string) {
  // Create session at the start
  const session = createSession();

  // Tokenize
  const { content: safe } = session.tokenize(code, 'input.ts');

  // Call AI with safe content
  const response = await callClaude(safe, prompt);

  // Rehydrate
  const { content: final } = session.rehydrate(response);

  return final;
  // Session goes out of scope, vault is garbage collected
}

const session = createSession();

// Both files have the same database password
const { content: config } = session.tokenize(configCode, 'config.ts');
const { content: migrate } = session.tokenize(migrateCode, 'migrate.ts');

// If they had the same password, it's the same token in both
// Claude can see they're related

const session = createSession();

session.tokenize(code1, 'config.ts');
session.tokenize(code2, 'api.ts');

const report = session.getReport();
console.log(report);
// {
//   totalDetections: 8,
//   byCategory: { KEY: 3, SECRET: 2, CONN: 2, HOST: 1 },
//   byFile: { 'config.ts': 5, 'api.ts': 3 },
//   uniqueTokens: 6  // Fewer than detections if same secret appears twice
// }

// Bad - shared session
const session = createSession();
await Promise.all([
  processFile(session, file1),
  processFile(session, file2),
]);

// Good - separate sessions
await Promise.all([
  processFile(createSession(), file1),
  processFile(createSession(), file2),
]);