# Task: 给 meta workflow 加 gate role (pulse#11)

This commit is contained in:
小橘 2026-04-18 14:57:21 +00:00
parent 41b831a2a0
commit ab7ca6328c
6 changed files with 752 additions and 0 deletions

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src/workflows/meta.ts Normal file
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/**
* Meta Workflow workflow for developing workflows.
*
* Roles:
* gate (code) preflight checks (no LLM)
* coder (Agent) implement code
* checker (code) validate file scope + build + unit test
* tester (code) e2e lifecycle verification + commit/push on pass
*
* Flow:
* START gate
* fail END (unsuitable task)
* pass coder checker
* fail coder (file scope violation or build/test fail)
* checker pass tester
* pass END (with commit + push)
* fail coder (e2e fail, with diagnostic)
*
* 🍊 (NEKO Team)
*/
import { fileURLToPath } from 'node:url';
import {
END,
type ModeratorInput,
type Role,
START,
type WorkflowType,
} from '@uncaged/pulse';
import { createMetaGateRole, type GateMeta } from './roles/meta-gate.js';
// ── Meta Types ─────────────────────────────────────────────────
export interface MetaCoderMeta {
[key: string]: unknown;
filesChanged: string[];
testsPassed: boolean;
}
export interface MetaCheckerMeta {
[key: string]: unknown;
pass: boolean;
reason: string;
violations?: string[];
}
export interface MetaTesterMeta {
[key: string]: unknown;
pass: boolean;
reason: string;
/** Only present when pass=true */
commitHash?: string;
pushed?: boolean;
}
export type MetaWorkflowRoles = {
gate: Role<GateMeta>;
coder: Role<MetaCoderMeta>;
checker: Role<MetaCheckerMeta>;
tester: Role<MetaTesterMeta>;
};
// ── Moderator ──────────────────────────────────────────────────
function metaModerator(
input: ModeratorInput<MetaWorkflowRoles>,
_topicId: string,
): (keyof MetaWorkflowRoles & string) | typeof END {
switch (input.role) {
case START:
return 'gate';
case 'gate': {
const meta = input.meta as GateMeta | null;
return meta?.pass ? 'coder' : END;
}
case 'coder':
return 'checker';
case 'checker': {
const meta = input.meta as MetaCheckerMeta | null;
return meta?.pass ? 'tester' : 'coder';
}
case 'tester': {
const meta = input.meta as MetaTesterMeta | null;
return meta?.pass ? END : 'coder';
}
default:
return END;
}
}
/** Stub roles for `createMetaWorkflow()` with no args (e.g. meta-tester dynamic import). */
function createDefaultMetaRoles(engineDir: string): MetaWorkflowRoles {
const stubCoder: Role<MetaCoderMeta> = async () => ({
content: 'e2e stub coder',
meta: { filesChanged: [], testsPassed: true },
});
const stubChecker: Role<MetaCheckerMeta> = async () => ({
content: 'ok',
meta: { pass: true, reason: 'e2e stub' },
});
const stubTester: Role<MetaTesterMeta> = async () => ({
content: 'e2e stub',
meta: { pass: true, reason: 'e2e stub' },
});
return {
gate: createMetaGateRole({ engineDir }),
coder: stubCoder,
checker: stubChecker,
tester: stubTester,
};
}
// ── Factory ────────────────────────────────────────────────────
/**
* @param roles 使 stub e2e / `createMetaWorkflow()`
*/
export function createMetaWorkflow(
roles?: MetaWorkflowRoles,
): WorkflowType<MetaWorkflowRoles> {
const engineDir = fileURLToPath(new URL('../..', import.meta.url));
return {
name: 'meta',
roles: roles ?? createDefaultMetaRoles(engineDir),
moderator: metaModerator,
};
}

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/**
* Meta Checker role validates coder output before e2e testing.
*
* Checks:
* 1. All changed files are within the allowed directory (engine dir)
* 2. No modifications to pulse core files
* 3. Build succeeds
* 4. Unit tests pass
*
* Pure code, no LLM.
*
* 🍊 (NEKO Team)
*/
import { execSync } from 'node:child_process';
import type { Role, RoleResult, WorkflowMessage } from '@uncaged/pulse';
export interface MetaCheckerMeta {
[key: string]: unknown;
pass: boolean;
reason: string;
violations?: string[];
}
export function createMetaCheckerRole(opts: {
/** Engine repo directory (allowed file scope) */
engineDir: string;
/** Extra allowed path prefixes (optional) */
allowedPrefixes?: string[];
}): Role<MetaCheckerMeta> {
return async (
_chain: WorkflowMessage[],
): Promise<RoleResult<MetaCheckerMeta>> => {
const cwd = opts.engineDir;
const exec = (cmd: string) =>
execSync(cmd, { cwd, encoding: 'utf-8', timeout: 30_000 }).trim();
const violations: string[] = [];
// 1. Check git diff — what files did coder change?
let changedFiles: string[] = [];
try {
// Get all uncommitted changes + last commit changes
const diffOutput = exec('git diff --name-only HEAD~1 HEAD 2>/dev/null || git diff --name-only');
changedFiles = diffOutput.split('\n').filter(Boolean);
} catch {
// No git history — check working tree
try {
const statusOutput = exec('git status --porcelain');
changedFiles = statusOutput
.split('\n')
.filter(Boolean)
.map((line) => line.slice(3).trim());
} catch {
// Can't check — skip file validation
}
}
if (changedFiles.length > 0) {
// Allowed: only src/workflows/ (meta workflow scope)
const allowedPrefixes = [
'src/workflows/',
...(opts.allowedPrefixes ?? []),
];
for (const file of changedFiles) {
const allowed = allowedPrefixes.some((prefix) =>
file.startsWith(prefix),
);
if (!allowed) {
violations.push(`越界文件: ${file}(只允许修改 ${allowedPrefixes.join(', ')} 下的文件)`);
}
}
// Blacklist: never touch these even if under src/
const blacklist = [
'package.json',
'tsconfig.json',
'bun.lockb',
'.gitignore',
];
for (const file of changedFiles) {
const basename = file.split('/').pop() ?? file;
if (blacklist.includes(basename)) {
violations.push(`禁止修改: ${file}`);
}
}
}
if (violations.length > 0) {
return {
content: `约束检查失败\n\n${violations.map((v) => `${v}`).join('\n')}\n\n修改的文件:\n${changedFiles.map((f) => ` ${f}`).join('\n')}`,
meta: { pass: false, reason: '文件范围越界', violations },
};
}
// 2. Build check
try {
exec('bun run build 2>&1');
} catch (err: any) {
return {
content: `编译失败\n\n---\n${(err.stdout ?? err.message).slice(0, 2000)}`,
meta: { pass: false, reason: '编译失败' },
};
}
// 3. Unit test check
try {
const testOutput = exec('bun test src/workflows/ 2>&1');
// Check for failures
if (testOutput.includes('fail') && !testOutput.includes('0 fail')) {
return {
content: `单元测试失败\n\n---\n${testOutput.slice(-2000)}`,
meta: { pass: false, reason: '单元测试失败' },
};
}
} catch (err: any) {
return {
content: `单元测试失败\n\n---\n${(err.stdout ?? err.message).slice(0, 2000)}`,
meta: { pass: false, reason: '单元测试失败' },
};
}
return {
content: `约束检查通过\n\n修改文件: ${changedFiles.length}\n编译: ✅\n单元测试: ✅`,
meta: { pass: true, reason: '约束检查通过' },
};
};
}

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/**
* Meta Coder role uses Cursor Agent to implement workflow code.
* Uses createAgentExecutorRole with LLM meta parsing.
*
* 🍊 (NEKO Team)
*/
import type { LlmClient } from '@uncaged/pulse';
import type { MetaCoderMeta } from '../meta.js';
import type { Role } from '@uncaged/pulse';
import { type AgentRunner, createAgentExecutorRole } from '@uncaged/pulse';
const PARSE_META_TOOL = {
type: 'function' as const,
function: {
name: 'extract_coder_meta',
description: 'Extract coder execution metadata',
parameters: {
type: 'object',
properties: {
filesChanged: {
type: 'array',
items: { type: 'string' },
description: 'Files created or modified',
},
testsPassed: {
type: 'boolean',
description: 'Whether all tests passed',
},
},
required: ['filesChanged', 'testsPassed'],
},
},
};
export function createMetaCoderRole(
runner: AgentRunner,
llm: LlmClient,
repoDir: string,
): Role<MetaCoderMeta> {
return createAgentExecutorRole<MetaCoderMeta>(runner, llm, {
prepPrompt: (chain, _topicId) => {
const startMsg = chain.find((m) => m.role === '__start__');
const taskDescription = startMsg?.content ?? '';
// 如果有 tester 失败反馈,附加
const testerMsg = [...chain].reverse().find((m) => m.role === 'tester');
const testerFeedback = testerMsg ? `\n\n## 上次验证失败\n${testerMsg.content}` : '';
const prompt = `# 任务
${taskDescription}
${testerFeedback}
##
-
-
##
1.
2.
3. \`bun run build\` 确认编译通过
4.
5. commit workflow
##
- commit author: 小橘 <xiaoju@shazhou.work>
- $HOME/.upulse/engine/src/workflows/
- workflow-rule-adapter.ts workflow-type.ts`;
return { prompt, cwd: repoDir };
},
parseMeta: {
system: '从 Cursor Agent 的输出中提取 coder 执行结果。',
tool: PARSE_META_TOOL,
parse: (args: string) => {
const parsed = JSON.parse(args);
return {
filesChanged: parsed.filesChanged ?? [],
testsPassed: parsed.testsPassed ?? false,
} as MetaCoderMeta;
},
defaultMeta: (_output: string) =>
({ filesChanged: [], testsPassed: false }) as MetaCoderMeta,
},
});
}

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/**
* Meta Gate role tests.
*
* 🍊 (NEKO Team)
*/
import { describe, expect, it } from 'bun:test';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { fileURLToPath } from 'node:url';
import type { WorkflowMessage } from '@uncaged/pulse';
import { createMetaGateRole } from './meta-gate.js';
const thisDir = fileURLToPath(new URL('.', import.meta.url));
const engineRoot = join(thisDir, '../../..');
function startChain(content: string): WorkflowMessage[] {
return [
{
role: '__start__',
content,
meta: null,
timestamp: Date.now(),
},
];
}
describe('meta-gate role', () => {
it('passes for a normal engine-scoped task', async () => {
const gate = createMetaGateRole({ engineDir: engineRoot });
const r = await gate(
startChain('Add feature under src/workflows/foo.ts'),
't1',
{} as any,
);
expect(r.meta?.pass).toBe(true);
expect(r.meta?.checks?.every((c) => c.pass)).toBe(true);
});
it('fails when task references core package path', async () => {
const gate = createMetaGateRole({ engineDir: engineRoot });
const r = await gate(
startChain('Edit packages/pulse/src/store.ts'),
't1',
{} as any,
);
expect(r.meta?.pass).toBe(false);
expect(r.meta?.reason).toContain('packages/pulse/src/');
});
it('fails when engine directory does not exist', async () => {
const badDir = join(tmpdir(), `missing-engine-${Date.now()}`);
const gate = createMetaGateRole({ engineDir: badDir });
const r = await gate(
startChain('Only touch src/workflows/x.ts'),
't1',
{} as any,
);
expect(r.meta?.pass).toBe(false);
expect(r.meta?.checks?.some((c) => c.name === 'engine-dir-exists' && !c.pass)).toBe(
true,
);
});
it('fails when task content is empty', async () => {
const gate = createMetaGateRole({ engineDir: engineRoot });
const r = await gate(startChain(' '), 't1', {} as any);
expect(r.meta?.pass).toBe(false);
expect(r.meta?.reason).toBe('任务内容为空');
});
});

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/**
* Meta Gate role fast pre-checks before coder (no LLM).
*
* 🍊 (NEKO Team)
*/
import { existsSync } from 'node:fs';
import { join } from 'node:path';
import type {
PulseStore,
Role,
RoleResult,
WorkflowMessage,
} from '@uncaged/pulse';
export interface GateMeta {
pass: boolean;
reason?: string;
checks: Array<{ name: string; pass: boolean; detail?: string }>;
}
export function createMetaGateRole(opts: {
engineDir: string;
}): Role<GateMeta> {
return async (
chain: WorkflowMessage[],
_topicId: string,
_store: PulseStore,
): Promise<RoleResult<GateMeta>> => {
const checks: GateMeta['checks'] = [];
const startMsg = chain.find((m) => m.role === '__start__');
if (!startMsg) {
return {
content: '',
meta: { pass: false, reason: '找不到任务描述', checks: [] },
};
}
const taskContent = startMsg.content ?? '';
if (!taskContent.trim()) {
return {
content: '',
meta: { pass: false, reason: '任务内容为空', checks: [] },
};
}
const hasCorePackagePath = /packages\/pulse\/src\//.test(taskContent);
checks.push({
name: 'no-core-package-paths',
pass: !hasCorePackagePath,
detail: hasCorePackagePath
? '任务涉及核心包路径 packages/pulse/src/,meta workflow 不能改核心包'
: 'OK',
});
const engineExists = existsSync(opts.engineDir);
checks.push({
name: 'engine-dir-exists',
pass: engineExists,
detail: engineExists ? 'OK' : `Engine 目录不存在: ${opts.engineDir}`,
});
const wfDir = join(opts.engineDir, 'src/workflows');
const wfDirExists = existsSync(wfDir);
checks.push({
name: 'workflows-dir-exists',
pass: wfDirExists,
detail: wfDirExists ? 'OK' : `Workflows 目录不存在: ${wfDir}`,
});
const allPass = checks.every((c) => c.pass);
return {
content: allPass
? 'Gate passed'
: `Gate failed: ${checks
.filter((c) => !c.pass)
.map((c) => c.detail)
.join('; ')}`,
meta: {
pass: allPass,
reason: allPass
? undefined
: checks
.filter((c) => !c.pass)
.map((c) => c.detail)
.join('; '),
checks,
},
};
};
}

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/**
* Meta Tester role e2e verification.
*
* Dynamic-imports the workflow coder just wrote, spins up a temp store,
* ticks through a full lifecycle, and checks it reaches __end__.
* On pass: git commit + push. On fail: back to coder.
*
* 🍊 (NEKO Team)
*/
import { execSync } from 'node:child_process';
import { existsSync, mkdtempSync, readdirSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import type { MetaTesterMeta } from '../meta.js';
import {
type Role,
type RoleResult,
type WorkflowMessage,
type WorkflowType,
createStore,
createWorkflowRule,
} from '@uncaged/pulse';
export function createMetaTesterRole(opts: {
repoDir: string;
/** git remote (auto-detect if omitted) */
remote?: string;
/** git branch (default: main) */
branch?: string;
/** max ticks for e2e run (default: 100;下限 20 以覆盖 ping-pong 静默 + 较长 workflow) */
maxTicks?: number;
}): Role<MetaTesterMeta> {
const branch = opts.branch ?? 'main';
const maxTicks = Math.max(opts.maxTicks ?? 100, 20);
return async (
chain: WorkflowMessage[],
): Promise<RoleResult<MetaTesterMeta>> => {
const cwd = opts.repoDir;
// Step 0: Skip build — checker already verified build + unit tests
// Go straight to e2e verification
// Step 1: Discover workflow files in engine src/workflows/
const workflowDir = join(cwd, 'src', 'workflows');
if (!existsSync(workflowDir)) {
return {
content: 'src/workflows/ 目录不存在',
meta: { pass: false, reason: 'src/workflows/ not found' },
};
}
const files = readdirSync(workflowDir).filter(
(f) => f.endsWith('.ts') && !f.endsWith('.test.ts'),
);
// Step 2: Dynamic import each workflow, find WorkflowType exports
const workflows: WorkflowType<any>[] = [];
const importErrors: string[] = [];
for (const file of files) {
const fullPath = join(workflowDir, file);
try {
const mod = await import(fullPath);
for (const [key, val] of Object.entries(mod)) {
// Direct WorkflowType export (e.g. `export const pingPong: WorkflowType`)
if (val && typeof val === 'object' && 'name' in (val as any) && 'roles' in (val as any) && 'moderator' in (val as any)) {
workflows.push(val as WorkflowType<any>);
}
// Factory function (e.g. `export function createWerewolfWorkflow()`)
if (typeof val === 'function' && key.startsWith('create') && key.endsWith('Workflow')) {
try {
// Call with no args first (mock mode)
const wf = val();
if (wf && typeof wf === 'object' && 'name' in wf && 'roles' in wf && 'moderator' in wf) {
workflows.push(wf as WorkflowType<any>);
}
} catch {
// Factory needs args — skip (can't auto-test)
}
}
}
} catch (err: any) {
importErrors.push(`${file}: ${err.message}`);
}
}
if (workflows.length === 0) {
return {
content: `没有找到可测试的 WorkflowType\n\nimport errors:\n${importErrors.join('\n')}`,
meta: { pass: false, reason: 'no testable workflows found' },
};
}
// Step 3: E2E — for each workflow, create temp store, tick through lifecycle
const results: { name: string; pass: boolean; detail: string }[] = [];
for (const wf of workflows) {
const tmpDir = mkdtempSync(join(tmpdir(), `pulse-tester-${wf.name}-`));
const testStore = createStore({
eventsDbPath: join(tmpDir, 'events.db'),
objectsDir: join(tmpDir, 'objects'),
});
try {
const rule = createWorkflowRule(wf, testStore);
// Seed __start__
const taskContent = `e2e test for ${wf.name}`;
const hash = await testStore.putObject(taskContent);
await testStore.appendEvent({
occurredAt: Date.now(),
kind: `${wf.name}.__start__`,
key: `e2e-test-${Date.now()}`,
hash,
});
// Tick until workflow quiesces (executed=[]) or maxTicks
let completed = false;
let tickCount = 0;
let lastError: string | null = null;
let didExecute = false;
for (let i = 0; i < maxTicks; i++) {
tickCount++;
try {
const r = await rule.tick();
if (r.executed.length === 0) {
// No more work — if we executed at least once, workflow is done
if (didExecute) {
completed = true;
}
break;
}
didExecute = true;
} catch (err: any) {
lastError = err.message;
break;
}
}
// Gather diagnostic info on failure
let diagnostic = '';
if (!completed) {
try {
const allEvents = await testStore.getAfter(0);
const wfEvents = allEvents.filter((ev: any) => ev.kind.startsWith(`${wf.name}.`));
const lastEvent = wfEvents[wfEvents.length - 1];
const roles = wfEvents.map((ev: any) => ev.kind.replace(`${wf.name}.`, '')).join(' → ');
diagnostic = `\n 事件链: ${roles}`;
if (lastEvent) {
diagnostic += `\n 最后事件: ${lastEvent.kind} (id=${lastEvent.id})`;
if (lastEvent.meta) {
try {
const meta = JSON.parse(lastEvent.meta);
diagnostic += `\n 最后 meta: ${JSON.stringify(meta)}`;
} catch {}
}
}
diagnostic += `\n 总事件数: ${wfEvents.length}`;
} catch {}
}
if (completed) {
results.push({ name: wf.name, pass: true, detail: `completed in ${tickCount} ticks` });
} else if (lastError) {
results.push({ name: wf.name, pass: false, detail: `error: ${lastError}${diagnostic}` });
} else {
results.push({ name: wf.name, pass: false, detail: `did not complete in ${tickCount} ticks${diagnostic}` });
}
} finally {
await testStore.close();
}
}
const allPass = results.every((r) => r.pass);
const summary = results
.map((r) => `${r.pass ? '✅' : '❌'} ${r.name}: ${r.detail}`)
.join('\n');
if (!allPass) {
return {
content: `e2e 验证失败\n\n${summary}`,
meta: { pass: false, reason: 'e2e verification failed' },
};
}
// Step 4: All pass — commit + push
let commitHash: string | undefined;
let pushed: boolean | undefined;
const exec = (cmd: string) =>
execSync(cmd, { cwd, encoding: 'utf-8', timeout: 30_000 }).trim();
try {
const startMsg = chain.find((m) => m.role === '__start__');
const firstLine = (startMsg?.content ?? '').split('\n')[0].slice(0, 60);
const commitMsg = firstLine || 'meta workflow auto-commit';
exec('git add -A');
// Check if there's anything to commit
try {
exec('git diff --cached --quiet');
// No changes — still pass, just no commit needed
commitHash = exec('git rev-parse --short HEAD');
pushed = false;
} catch {
// There are staged changes
exec(
`git commit -m "${commitMsg}" --author="小橘 <xiaoju@shazhou.work>"`,
);
commitHash = exec('git rev-parse --short HEAD');
// Auto-detect remote
const remote = opts.remote ?? (() => {
try {
const remotes = exec('git remote').split('\n').filter(Boolean);
return remotes[0] || null;
} catch { return null; }
})();
if (remote) {
try {
exec(`git push ${remote} ${branch} --no-verify`);
pushed = true;
} catch {
pushed = false;
}
} else {
pushed = false;
}
}
} catch (err: any) {
commitHash = undefined;
pushed = false;
}
return {
content: `e2e 验证通过\n\n${summary}\n\nCommit: ${commitHash ?? 'none'}\nPushed: ${pushed ? 'yes' : 'no'}`,
meta: { pass: true, reason: 'e2e verification passed', commitHash, pushed },
};
};
}