import { defineConfig } from 'vitest/config'

export default defineConfig({
  test: {
    // A worktree under .claude/ carries its own tests/ copy. They are stale by
    // definition (another branch's checkout) and are not this run's subject.
    exclude: ['**/node_modules/**', '**/dist/**', '**/.claude/worktrees/**'],
    // Runs once per worker before any test. Scrubs the developer's shell so
    // session-discovery env vars (CLAUDE_CONFIG_DIRS, HOME, XDG_*, every
    // provider-specific *_HOME) don't bleed real local data into fixtures.
    setupFiles: ['./tests/setup/env-isolation.ts'],
    // Real-I/O tests (session parses, sqlite fixtures, worker pools) exceed the
    // 5s default under CI runner load; a hung test still fails at 30s.
    testTimeout: 30_000,
  },
})