import { describe, expect, test } from 'bun:test';
import { Database } from 'bun:sqlite';
import { applyPaidProjection, createBoundUserLookup, readOrdersInBatch, WebhookDispatcher, type PaymentRequest, type User } from './fixtures/ceo-existing-payment/platform';
import { createWebhookApplication } from './fixtures/ceo-existing-payment/application';
import { MailDeliveryError, MailTimeoutError, observedConfirmationClient, type Telemetry } from './fixtures/ceo-existing-payment/application-services';
import { execFileSync, spawnSync } from 'node:child_process';
import * as fs from 'node:fs';
import * as os from 'node:os';
import * as path from 'node:path';
import { seedCeoFindingProject, seedPlanReviewProject, pickSuppliedCeoPlanStart } from './helpers/ceo-finding-fixture';
import * as ceoFixture from './helpers/ceo-finding-fixture';
import { FORCING_SPLIT_OVERFLOW_CEO } from './fixtures/forcing-finding-seeds';
import { DESIGN_DOC_DISCOVERY_BLOCK } from '../scripts/resolvers/design-doc-discovery';

const ROOT = path.resolve(import.meta.dir, '..');

// These boundary probes belong to the harness, not the seeded project's tests.
// They prove the proposed lookup, email and reader decisions remain independent.
function paymentBoundaryDb(): Database {
  const db = new Database(':memory:');
  db.exec(fs.readFileSync(path.join(ROOT, 'test/fixtures/ceo-existing-payment/schema.sql'), 'utf8'));
  db.exec("INSERT INTO users VALUES ('acct','user','customer','unpaid'), ('acct','other','customer','unpaid')");
  db.exec("INSERT INTO orders VALUES ('acct','a','user','First',100), ('acct','b','user','Second',200)");
  return db;
}
const paymentRequest = (): PaymentRequest => ({ accountId: 'acct', eventId: 'evt', customerId: 'customer',
  orderIds: ['b', 'a'], params: { userId: 'user' } });
const boundLookup = (db: Database, request: PaymentRequest) => createBoundUserLookup(db, request.accountId);

function recordedTelemetry() {
  const warnings: unknown[] = [], increments: unknown[] = [];
  const telemetry: Telemetry = {
    logger: { warn: (message, fields) => { warnings.push({ message, fields }); } },
    metrics: { increment: (name, labels) => { increments.push({ name, labels }); } },
  };
  return { ...telemetry, warnings, increments };
}

test('application composition exposes current services without changing invoice or untrusted lookup behavior', async () => {
  const db = paymentBoundaryDb(), telemetry = recordedTelemetry();
  let sends = 0;
  const app = createWebhookApplication({ db, ...telemetry, confirmationClient: { send: async () => { sends++; } } });
  try {
    expect(app.services.db).toBe(db);
    expect(app.services.logger).toBe(telemetry.logger);
    expect(app.services.metrics).toBe(telemetry.metrics);
    const injection = { ...paymentRequest(), params: { userId: "missing' OR id='other' --" } };
    expect(await app.receive('invoice.paid', injection)).toEqual({ status: 200, kind: 'unknown-user' });
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 0 });
    expect(await app.receive('invoice.paid', paymentRequest())).toEqual({ status: 200, kind: 'committed' });
    expect(await app.receive('invoice.paid', paymentRequest())).toEqual({ status: 200, kind: 'duplicate' });
    expect(db.query('SELECT COUNT(*) AS n FROM payment_audit').get()).toEqual({ n: 1 });
    expect(sends).toBe(0);
    expect(telemetry.increments).toEqual(['unknown-user', 'committed', 'duplicate'].map(outcome => ({
      name: 'webhook_requests_total', labels: { outcome, eventType: 'invoice.paid' },
    })));
    expect(telemetry.warnings).toEqual([]);
  } finally { db.close(); }
});

test('request adaptation retains authorization and rollback outcomes with scoped telemetry', async () => {
  const db = paymentBoundaryDb(), telemetry = recordedTelemetry();
  let sends = 0;
  const app = createWebhookApplication({ db, ...telemetry, confirmationClient: { send: async () => { sends++; } } });
  try {
    expect(await app.receive('invoice.paid', { ...paymentRequest(), customerId: 'foreign' }))
      .toEqual({ status: 403, kind: 'forbidden' });
    expect(await app.receive('invoice.paid', { ...paymentRequest(), orderIds: ['missing'] }))
      .toEqual({ status: 503, kind: 'failed' });
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 0 });
    expect(db.query('SELECT COUNT(*) AS n FROM payment_audit').get()).toEqual({ n: 0 });
    expect(db.query('SELECT payment_status FROM users WHERE id = ?').get('user')).toEqual({ payment_status: 'unpaid' });
    db.exec('DROP TABLE orders');
    expect(await app.receive('invoice.paid', paymentRequest())).toEqual({ status: 503, kind: 'failed' });
    expect(sends).toBe(0);
    expect(telemetry.increments).toHaveLength(3);
    expect(telemetry.increments).toEqual(['forbidden', 'failed', 'failed'].map(outcome => ({
      name: 'webhook_requests_total', labels: { outcome, eventType: 'invoice.paid' },
    })));
    expect(telemetry.warnings).toHaveLength(3);
    expect(telemetry.warnings[1]).toMatchObject({ fields: { errorName: 'MissingOrder', outcome: 'failed' } });
    for (const warning of telemetry.warnings as Array<{ fields: Record<string, unknown> }>) {
      expect(warning.fields.accountId).toBe('acct');
      expect(warning.fields.eventId).toBe('evt');
      expect(warning.fields.eventType).toBe('invoice.paid');
      expect(Object.keys(warning.fields).sort()).toEqual(warning.fields.errorName
        ? ['accountId', 'errorName', 'eventId', 'eventType', 'outcome'] : ['accountId', 'eventId', 'eventType', 'outcome']);
    }
  } finally { db.close(); }
});

test('the new unregistered-event assumption does no handler work and does not change dispatcher semantics', async () => {
  const db = paymentBoundaryDb(), telemetry = recordedTelemetry();
  let sends = 0;
  const app = createWebhookApplication({ db, ...telemetry, confirmationClient: { send: async () => { sends++; } } });
  try {
    expect(await app.dispatcher.dispatch('payment_intent.succeeded', paymentRequest())).toBeUndefined();
    expect(await app.receive('payment_intent.succeeded', paymentRequest()))
      .toEqual({ status: 503, kind: 'unregistered-event' });
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 0 });
    expect(db.query('SELECT COUNT(*) AS n FROM payment_audit').get()).toEqual({ n: 0 });
    expect(db.query('SELECT payment_status FROM users WHERE id = ?').get('user')).toEqual({ payment_status: 'unpaid' });
    expect(sends).toBe(0);
    expect(telemetry.increments).toEqual([{ name: 'webhook_requests_total', labels: { outcome: 'unregistered-event', eventType: 'payment_intent.succeeded' } }]);
    expect(telemetry.warnings).toEqual([{ message: 'Webhook request failed', fields: {
      accountId: 'acct', eventId: 'evt', eventType: 'payment_intent.succeeded', outcome: 'unregistered-event',
    } }]);
  } finally { db.close(); }
});

test.each(['committed', 'forbidden', 'failed', 'unregistered-event'] as const)(
  'request event-type telemetry preserves %s even when both sinks throw', async kind => {
    const db = paymentBoundaryDb(), recorded = recordedTelemetry();
    let sends = 0;
    const telemetry: Telemetry = {
      logger: { warn: (message, fields) => {
        recorded.logger.warn(message, fields); throw new Error('logger offline');
      } },
      metrics: { increment: (name, labels) => {
        recorded.metrics.increment(name, labels); throw new Error('metrics offline');
      } },
    };
    const app = createWebhookApplication({ db, ...telemetry, confirmationClient: { send: async () => { sends++; } } });
    const eventType = kind === 'unregistered-event' ? 'payment_intent.succeeded' : 'invoice.paid';
    try {
      if (kind === 'failed') db.exec('DROP TABLE orders');
      const request = kind === 'forbidden' ? { ...paymentRequest(), customerId: 'foreign' } : paymentRequest();
      expect(await app.receive(eventType, request)).toEqual({
        status: kind === 'committed' ? 200 : kind === 'forbidden' ? 403 : 503, kind,
      });
      expect(recorded.increments).toEqual([{ name: 'webhook_requests_total', labels: { outcome: kind, eventType } }]);
      expect(recorded.warnings).toHaveLength(kind === 'committed' ? 0 : 1);
      for (const warning of recorded.warnings as Array<{ fields: Record<string, unknown> }>) {
        expect(warning.fields).toMatchObject({ accountId: 'acct', eventId: 'evt', eventType, outcome: kind });
      }
      expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: kind === 'committed' ? 1 : 0 });
      expect(sends).toBe(0);
    } finally { db.close(); }
  },
);

test.each(['sent', 'timeout', 'rejected', 'failed'] as const)('client telemetry observes %s before a caller catch without retrying', async outcome => {
  const db = paymentBoundaryDb(), telemetry = recordedTelemetry();
  const user = boundLookup(db, paymentRequest())('user')!;
  const orders: import('./fixtures/ceo-existing-payment/platform').Order[] = [];
  const failure = outcome === 'timeout' ? new MailTimeoutError('deadline')
    : outcome === 'rejected' ? new MailDeliveryError('rejected') : new Error('transport failed');
  let sends = 0, caught: unknown;
  const client = observedConfirmationClient({ send: async (actualUser, actualOrders) => {
    sends++;
    expect(actualUser).toBe(user);
    expect(actualOrders).toBe(orders);
    if (outcome !== 'sent') throw failure;
  } }, telemetry);
  try {
    try { await client.send(user, orders); } catch (error) {
      caught = error;
      expect(telemetry.increments).toEqual([{ name: 'confirmation_mail_total', labels: { outcome } }]);
      expect(telemetry.warnings).toHaveLength(1);
    }
    expect(caught).toBe(outcome === 'sent' ? undefined : failure);
    expect(sends).toBe(1);
    expect(telemetry.increments).toEqual([{ name: 'confirmation_mail_total', labels: { outcome } }]);
    expect(telemetry.warnings).toEqual(outcome === 'sent' ? [] : [{
      message: 'Confirmation mail failed', fields: { accountId: 'acct', outcome,
        errorName: outcome === 'timeout' ? 'MailTimeoutError' : outcome === 'rejected' ? 'MailDeliveryError' : 'Error' },
    }]);
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 0 });
  } finally { db.close(); }
});

test('telemetry sink exceptions cannot change a client result or replace its original error', async () => {
  const db = paymentBoundaryDb(), user = boundLookup(db, paymentRequest())('user')!;
  const telemetry: Telemetry = { logger: { warn: () => { throw new Error('logger offline'); } },
    metrics: { increment: () => { throw new Error('metrics offline'); } } };
  const failure = new MailTimeoutError('original');
  let sends = 0;
  try {
    await expect(observedConfirmationClient({ send: async () => { sends++; } }, telemetry).send(user, [])).resolves.toBeUndefined();
    await expect(observedConfirmationClient({ send: async () => { sends++; throw failure; } }, telemetry).send(user, []))
      .rejects.toBe(failure);
    expect(sends).toBe(2);
  } finally { db.close(); }
});

test('the shared facade does not sanitize the proposed raw lookup into a safe lookup', async () => {
  const db = paymentBoundaryDb();
  const request = { ...paymentRequest(), orderIds: [], params: { userId: "missing' OR id='other' --" } };
  const notified: string[] = [];
  try {
    const callbacks = { readOrders: readOrdersInBatch, afterCommit: async (user: User) => { notified.push(user.id); } };
    expect(await applyPaidProjection(db, request, { ...callbacks, lookupUser: boundLookup(db, request) }))
      .toEqual({ status: 200, kind: 'unknown-user' });
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 0 });
    expect(await applyPaidProjection(db, request, { ...callbacks, lookupUser: id =>
      db.query<User, []>(`SELECT * FROM users WHERE account_id = '${request.accountId}' AND id = '${id}'`).get() ?? undefined }))
      .toEqual({ status: 200, kind: 'committed' });
    expect(notified).toEqual(['other']);
    expect(db.query('SELECT id,payment_status FROM users ORDER BY id').all()).toEqual([
      { id: 'other', payment_status: 'paid' }, { id: 'user', payment_status: 'unpaid' },
    ]);
  } finally { db.close(); }
});

test('the shared facade leaves an email exception uncaught after the database commit', async () => {
  const db = paymentBoundaryDb(), request = paymentRequest();
  const failure = new Error('mail delivery failed');
  let sends = 0;
  const callbacks = { lookupUser: boundLookup(db, request),
    readOrders: (ids: readonly string[], reader: import('./fixtures/ceo-existing-payment/platform').OrderReader) => reader.list(ids),
    afterCommit: async () => { sends++; throw failure; } };
  try {
    await expect(applyPaidProjection(db, request, callbacks)).rejects.toBe(failure);
    expect(db.query('SELECT payment_status FROM users WHERE id = ?').get('user')).toEqual({ payment_status: 'paid' });
    expect(db.query('SELECT COUNT(*) AS n FROM event_receipts').get()).toEqual({ n: 1 });
    expect(db.query('SELECT COUNT(*) AS n FROM payment_audit').get()).toEqual({ n: 1 });
    expect(await applyPaidProjection(db, request, callbacks)).toEqual({ status: 200, kind: 'duplicate' });
    expect(sends).toBe(1);
  } finally { db.close(); }
});

test('registering a handler leaves per-order versus batch reading as a separate choice', async () => {
  const results: Array<{ one: number; list: number; ordered: string[] }> = [];
  for (const strategy of ['one', 'list'] as const) {
    const db = paymentBoundaryDb(), request = paymentRequest(), dispatcher = new WebhookDispatcher();
    const calls = { one: 0, list: 0, ordered: [] as string[] };
    try {
      dispatcher.register('probe', input => applyPaidProjection(db, input, {
        lookupUser: boundLookup(db, request),
        readOrders: (ids, reader) => strategy === 'one'
          ? ids.map(id => { calls.one++; return reader.one(id)!; })
          : (calls.list++, readOrdersInBatch(ids, reader)),
        afterCommit: async (_user, orders) => { calls.ordered = orders.map(order => order.id); },
      }));
      expect(await dispatcher.dispatch('probe', request)).toEqual({ status: 200, kind: 'committed' });
      results.push(calls);
    } finally { db.close(); }
  }
  expect(results).toEqual([{ one: 2, list: 0, ordered: ['a', 'b'] }, { one: 0, list: 1, ordered: ['a', 'b'] }]);
});

test('the committed current invoice fixture is runnable without implementing the proposed route', () => {
  const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-current-invoice-'));
  const runtime = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-current-runtime-'));
  try {
    ceoFixture.seedCeoPaymentProject(root, '# Proposed PaymentService\n');
    const child = spawnSync(process.execPath, ['test', 'contract.test.ts'], {
      cwd: root, encoding: 'utf8', timeout: 10_000,
      env: { PATH: process.env.PATH ?? '', HOME: runtime, TMPDIR: runtime, TEMP: runtime, TMP: runtime,
        ...(process.env.SystemRoot ? { SystemRoot: process.env.SystemRoot } : {}) },
    });
    expect(child.error, child.stdout + child.stderr).toBeUndefined();
    expect(child.status, child.stdout + child.stderr).toBe(0);
    expect(child.stderr).toContain('3 pass');
    expect(execFileSync('git', ['status', '--porcelain'], { cwd: root, encoding: 'utf8', timeout: 30_000 })).toBe('');
  } finally { fs.rmSync(root, { recursive: true, force: true }); fs.rmSync(runtime, { recursive: true, force: true }); }
});

const reviewStartLead = 'D1 — Run /office-hours before this review?';
const reviewStartLabels = ['A) Run /office-hours first', 'B) Skip — standard review (recommended)'];
test.each([
  [reviewStartLead, reviewStartLabels, 2],
  ['D1 — No design doc found: run /office-hours before the review?', ['Run /office-hours now', 'Skip — proceed with review (Recommended)'], 2],
  [reviewStartLead, ['Skip — standard review', 'Run /office-hours first'], 1],
  ...['Example: ', 'If approved: ', 'Do not ', '> ', '    ', '"', '`'].map(prefix => [prefix + reviewStartLead, reviewStartLabels, 1]),
  ['D1 — Discuss /office-hours in our documentation?', reviewStartLabels, 1],
  ['D1 — Run /office-hours instead of this review?', reviewStartLabels, 1],
  [reviewStartLead, ['Run /office-hours first', 'Skip'], 1],
  [reviewStartLead, ['Run /office-hours first', 'Skip security review'], 1],
  [reviewStartLead, ['Run /office-hours first', 'Skip — standard review', 'Something else'], 1],
  [reviewStartLead, ['Skip — standard review', 'Skip — proceed with review'], 1],
  [reviewStartLead, ['Run /office-hours first', '"Skip — standard review"'], 1],
  [reviewStartLead, ['Run /office-hours first if approved', 'Skip — standard review'], 1],
] as const)('mode start recognizes only the explicit supplied-review route (%s)', (question, labels, expected) => {
  expect(ceoFixture.pickSuppliedCeoModeStart({ question, options: labels.map((label, i) => ({ index: i + 1, label })) })).toBe(expected);
});

test.each([
  { labels: ['Run /office-hours now', 'Skip — standard review (Recommended)'], expected: 2 },
  { labels: ['Skip — standard review', 'Run /office-hours now'], expected: 1 },
  { labels: ['A) Run /office-hours now', 'B) Skip (standard review without design doc context)'], expected: 2 },
  { labels: ['Run /office-hours', 'Skip'], expected: 2 },
  { labels: ['SCOPE EXPANSION', 'HOLD SCOPE (Recommended)'], expected: 1 },
  { labels: ['Approach A', 'Approach B (Recommended)'], expected: 1 },
  { labels: ['Run /office-hours now', 'Skip security review'], expected: 1 },
  { labels: ['Discuss /office-hours later', 'Skip — standard review'], expected: 1 },
  { labels: ['Run /office-hours now', 'Skip — standard review', 'Skip'], expected: 1 },
  { labels: ['Run /office-hours now', 'Skip — standard review', 'Something else'], expected: 1 },
])('supplied CEO plan chooses only the explicit prerequisite skip: $labels', ({ labels, expected }) => {
  const options = labels.map((label, i) => ({ index: i + 1, label }));
  expect(pickSuppliedCeoPlanStart({ options })).toBe(expected);
});

describe('CEO finding fixture establishes scope before launch', () => {
  test('a supplied design satisfies actual prerequisite discovery without becoming a branch change', () => {
    const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-design-seed-'));
    try {
      const cwd = path.join(root, 'project');
      const home = path.join(root, 'home');
      fs.mkdirSync(cwd); fs.mkdirSync(home);
      const plan = '# Export saved settings\nReview the CSV formatter before implementation.\n';
      const design = '# Settings export design\n\n## Problem\nOperators need saved settings in a spreadsheet for offline comparison.\n\n## Approach\nReuse the settings API and escape commas, quotes, and newlines in a CSV formatter.\n';
      seedCeoFindingProject(cwd, plan, design);
      const output = execFileSync('bash', ['-c', `SLUG=fixture; BRANCH=main; ${DESIGN_DOC_DISCOVERY_BLOCK}`], {
        cwd, env: { PATH: process.env.PATH!, HOME: home }, encoding: 'utf8', timeout: 10_000,
      });
      expect(output).toBe(`Design doc found: ${path.join(cwd, 'DESIGN.md')}\n`);
      expect(execFileSync('git', ['show', 'HEAD:DESIGN.md'], { cwd, encoding: 'utf8', timeout: 30_000 })).toBe(design);
      expect(execFileSync('git', ['show', 'HEAD:review-input.md'], { cwd, encoding: 'utf8', timeout: 30_000 })).toBe(plan);
      expect(execFileSync('git', ['status', '--porcelain'], { cwd, encoding: 'utf8', timeout: 30_000 })).toBe('');
      expect(execFileSync('git', ['diff', 'origin/main...HEAD'], { cwd, encoding: 'utf8', timeout: 30_000 })).toBe('');
    } finally { fs.rmSync(root, { recursive: true, force: true }); }
  });

  test.each(['plan-ceo-review', 'plan-eng-review', 'plan-design-review', 'plan-devex-review'] as const)('%s receives its own committed target and role-scoped routing', skill => {
    const root = fs.mkdtempSync(path.join(os.tmpdir(), 'review-fixture-'));
    try {
      const plan = '# Review this specific plan\nKeep every finding.\n';
      seedPlanReviewProject(root, plan, skill);
      expect(fs.readFileSync(path.join(root, 'review-input.md'), 'utf8')).toBe(plan);
      const guide = fs.readFileSync(path.join(root, 'CLAUDE.md'), 'utf8');
      // The Design outside critic inherited this file and recursively invoked
      // the interactive skill. Keep primary routing while preserving its own task.
      expect(guide).toContain(`For the primary review request, review the supplied plan with /${skill}.`);
      expect(guide.match(/\/plan-(?:ceo|eng|design|devex)-review/g)).toEqual([`/${skill}`]);
      expect(guide).toContain('Delegated independent critics follow their assigned read-only critique');
      expect(guide).toContain('return findings to the parent');
      expect(guide).toContain('Start an interactive skill only when the delegated task explicitly requests that workflow');
      expect(guide).not.toContain(`- Review the supplied plan with /${skill}.`);
      expect(execFileSync('git', ['show', 'HEAD:CLAUDE.md'], { cwd: root, encoding: 'utf8', timeout: 30_000 })).toBe(guide);
      expect(execFileSync('git', ['show', 'HEAD:review-input.md'], { cwd: root, encoding: 'utf8', timeout: 30_000 })).toBe(plan);
    } finally { fs.rmSync(root, { recursive: true, force: true }); }
  });
  test('input and project instructions are committed before the real preamble runs', () => {
    const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-finding-seed-'));
    try {
      const cwd = path.join(root, 'project');
      const state = path.join(root, 'state');
      const home = path.join(root, 'home');
      for (const dir of [cwd, state, home]) fs.mkdirSync(dir);
      const plan = '# Payment Processing\nPlease review this exact input.\n';
      seedCeoFindingProject(cwd, plan);
      expect(fs.readFileSync(path.join(cwd, 'review-input.md'), 'utf8')).toBe(plan);
      expect(execFileSync('git', ['show', 'HEAD:review-input.md'], { cwd, encoding: 'utf8', timeout: 10_000 })).toBe(plan);
      expect(execFileSync('git', ['diff', 'origin/main...HEAD'], { cwd, encoding: 'utf8', timeout: 10_000 })).toBe('');
      expect(fs.readFileSync(path.join(cwd, 'CLAUDE.md'), 'utf8')).toContain('Read it before\nchoosing review scope');
      fs.writeFileSync(path.join(state, 'config.yaml'), 'update_check: false\nrouting_declined: false\n');
      const output = execFileSync(path.join(ROOT, 'bin', 'gstack-skill-start'), ['--skill', 'plan-ceo-review'], {
        cwd, env: { PATH: process.env.PATH!, HOME: home, GSTACK_HOME: state }, encoding: 'utf8', timeout: 10_000,
      });
      expect(output).toContain('HAS_ROUTING: yes');
      expect(output).not.toContain('GSTACK_INSTRUCTION_BEGIN: routing-injection');
    } finally { fs.rmSync(root, { recursive: true, force: true }); }
  });

  test('the split fixture preserves every candidate and exact per-attempt plan target', () => {
    const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-split-seed-'));
    try {
      const target = path.join(root, 'gstack-test-plan-ceo-split-overflow.md');
      const input = FORCING_SPLIT_OVERFLOW_CEO.replaceAll('/tmp/gstack-test-plan-ceo-split-overflow.md', target);
      seedCeoFindingProject(root, input);
      const committed = execFileSync('git', ['show', 'HEAD:review-input.md'], { cwd: root, encoding: 'utf8', timeout: 10_000 });
      expect(committed).toBe(input);
      expect(committed).toContain(target);
      expect(committed).toContain('Proceed directly to the requested CEO review; skip the optional /office-hours prerequisite.');
      expect(committed.match(/^## E[1-5]\)/gm)).toHaveLength(5);
      expect(fs.readFileSync(path.join(root, 'CLAUDE.md'), 'utf8')).not.toContain('Payment processing');
    } finally { fs.rmSync(root, { recursive: true, force: true }); }
  });

  test('an existing project cannot be silently overwritten', () => {
    const root = fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-finding-existing-'));
    try {
      fs.writeFileSync(path.join(root, 'CLAUDE.md'), 'operator instructions');
      expect(() => seedCeoFindingProject(root, 'replacement')).toThrow('fresh private directory');
      expect(fs.readFileSync(path.join(root, 'CLAUDE.md'), 'utf8')).toBe('operator instructions');
      expect(fs.readdirSync(root)).toEqual(['CLAUDE.md']);
    } finally { fs.rmSync(root, { recursive: true, force: true }); }
  });
});

// Main owns both distinct and paired registrations in this file. Select the
// actual case and replace only its native count boundary; report/band checks
// and the output-directory finally stay live.
test.each(['success5', 'success7', 'success-paired', 'below', 'above', 'missing-report', 'trailing-report', 'timeout', 'throw', 'native-error', 'unknown-current'])('native count registration: %s', scenario => {
  const root = fs.realpathSync(fs.mkdtempSync(path.join(os.tmpdir(), 'ceo-count-body-')));
  const script = path.join(root, 'registration.test.ts');
  const factsPath = path.join(root, 'facts.json');
  fs.writeFileSync(script, `
import {describe, expect, mock} from 'bun:test';
import * as fs from 'node:fs';
import * as path from 'node:path';
import {execFileSync} from 'node:child_process';
import * as runner from ${JSON.stringify(path.join(ROOT, 'test/helpers/claude-pty-runner.ts'))};
import {createPlanCountFixture} from ${JSON.stringify(path.join(ROOT, 'test/helpers/plan-count-fixture.ts'))};
const captured = JSON.parse(fs.readFileSync(${JSON.stringify(path.join(ROOT, 'test/fixtures/ceo-payment-ledger-decisions.json'))}, 'utf8'));
const original = {...runner}, scenario = ${JSON.stringify(scenario)}, paired = scenario === 'success-paired';
let calls = 0;
mock.module(${JSON.stringify(path.join(ROOT, 'test/helpers/e2e-gate.ts'))}, () => ({describeE2ETier:tier=>{expect(tier).toBe('periodic');return describe;}}));
mock.module(${JSON.stringify(path.join(ROOT, 'test/helpers/claude-pty-runner.ts'))}, () => ({...original,
  runPlanSkillCounting:async opts=>{
    calls++;
    const target=opts.expectedPlanPath;
    const facts={calls,target,validated:false};
    fs.writeFileSync(${JSON.stringify(factsPath)},JSON.stringify(facts));
    expect(path.dirname(path.dirname(target))).toBe(${JSON.stringify(root)});
    expect(opts.cwd).toBeUndefined();
    expect(opts.followUpPrompt).toContain(target);
    expect(opts.followUpPrompt).toContain('in HOLD SCOPE mode');
    expect(opts.followUpPrompt).toContain('skip the optional /office-hours prerequisite');
    expect(opts).toMatchObject({skillName:'plan-ceo-review',slashCommand:'/plan-ceo-review',
      reviewCountCeiling:paired?5:8,timeoutMs:1500000,env:{QUESTION_TUNING:'false',EXPLAIN_LEVEL:'default'}});
    for(const key of ['isLastStep0AUQ','isFirstReviewAUQ','isCompletionHandoffAUQ','pickAUQ'])expect(typeof opts[key]).toBe('function');
    const required=paired?[
      'assert only','that the returned receipt is truthy','No assertion about the mock call history or virtual sleeper record',
      'max_retries=1 means two total charge attempts',
    ]:[
      'bypasses the existing \\x60WebhookDispatcher\\x60','directly into a raw SQL','no error handling on the email leg',
      "None planned. We'll rely on the existing integration suite catching regressions.",'order in a loop',
    ];
    for(const finding of required)expect(opts.followUpPrompt).toContain(finding);
    if(!paired)expect(opts.firstAUQPick({options:[{index:1,label:'Branch diff vs main'},{index:7,label:'Skip interview and plan immediately'}]})).toBe(7);
    const fixture=createPlanCountFixture(opts.followUpPrompt,{files:opts.fixtureFiles});
    try {
      const committed=execFileSync('git',['show','HEAD:PLAN.md'],{cwd:fixture.cwd,encoding:'utf8',timeout:5000});
      expect(committed).toBe(opts.followUpPrompt);
      expect(fs.readFileSync(path.join(fixture.cwd,'CLAUDE.md'),'utf8')).toContain(committed);
    } finally {fixture.cleanup();}
    facts.validated=true;fs.writeFileSync(${JSON.stringify(factsPath)},JSON.stringify(facts));
    if(scenario==='throw')throw new Error('controlled count observation failure');
    if(!paired){
      expect(typeof opts.isReviewAUQ).toBe('function');
      const prior=[];
      for(const [index,item] of captured.captures.entries()){
        if(item.savedPlan)fs.writeFileSync(target,item.savedPlan);
        const call=structuredClone(item.call);
        const fp=original.nativePlanCallFingerprint(call,index,true);
        expect(opts.isReviewAUQ(fp,prior)).toBe(item.kind==='seeded-remedy'||item.call.questions[0].header==='TODO-1');
        prior.push(call);
      }
      if(scenario==='unknown-current'){
        const call=structuredClone(captured.captures[2].call),q=call.questions[0];
        q.question='D99 — Should we change the billing currency?';call.answers={[q.question]:q.options[0].label};call.toolUseId+='-extra';
        opts.isReviewAUQ(original.nativePlanCallFingerprint(call,99,true),prior);
      }
    }
    if(scenario==='missing-report')fs.rmSync(target,{force:true});
    if(scenario!=='missing-report')fs.writeFileSync(target,'# Reviewed plan\\n\\n## GSTACK REVIEW REPORT\\nVERDICT: APPROVED\\n'+(scenario==='trailing-report'?'\\n## Unreviewed tail\\n':''));
    return {outcome:scenario==='timeout'?'timeout':scenario==='native-error'?'transcript_unavailable':'plan_ready',
      reviewCount:{success5:5,success7:7,'success-paired':2,below:3,above:8}[scenario]??5,
      step0Count:2,elapsedMs:1000,fingerprints:[],evidence:'controlled native observation'};
  },
}));
await import(${JSON.stringify(path.join(ROOT, 'test/skill-e2e-plan-ceo-finding-count.test.ts'))});
`);
  try {
    const child = spawnSync(process.execPath, ['test', script, '--test-name-pattern', scenario === 'success-paired' ? 'paired-finding positive control' : '5-finding plan'], {
      cwd: ROOT, encoding: 'utf8', timeout: 10_000,
      env: {PATH:process.env.PATH ?? '', HOME:root,TMPDIR:root,TEMP:root,TMP:root,GIT_CONFIG_NOSYSTEM:'1',
        ...(process.env.SystemRoot ? {SystemRoot:process.env.SystemRoot} : {})},
    });
    const output=child.stdout+child.stderr;
    expect(child.error,output).toBeUndefined();
    const facts=JSON.parse(fs.readFileSync(factsPath,'utf8'));
    expect(facts.calls).toBe(1);
    expect(facts.validated,output).toBe(true);
    expect(fs.existsSync(path.dirname(facts.target)),'actual paid finally removes its owned output directory').toBe(false);
    expect(child.status,output).toBe(scenario.startsWith('success')?0:1);
    const failures:Record<string,string>={below:'BAND FAIL (below floor)',above:'BAND FAIL (above ceiling)',
      'missing-report':'D19 FAIL: agent did not produce expected plan file',
      'trailing-report':'trailing ## heading(s) after GSTACK REVIEW REPORT',
      timeout:'finding-count FAILED: outcome=timeout',throw:'controlled count observation failure',
      'native-error':'finding-count FAILED: outcome=transcript_unavailable',
      'unknown-current':'cannot exclude it from the 4–7 count'};
    if(failures[scenario])expect(output).toContain(failures[scenario]);
  } finally {fs.rmSync(root,{recursive:true,force:true});}
},20_000);