feat(GOV-007): 建立开发库 Schema 基线门禁

2026-08-13 12:50:37 +08:00
parent 2c502ebbec
commit da056681b6
30 changed files with 1734 additions and 18 deletions
@@ -0,0 +1,739 @@
+import { execFileSync } from 'node:child_process';
+import {
+  existsSync,
+  mkdirSync,
+  readFileSync,
+  readdirSync,
+  renameSync,
+  rmSync,
+  writeFileSync,
+} from 'node:fs';
+import { createHash } from 'node:crypto';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const DEVELOPMENT_DATABASE = 'a_share_analysis_dev';
+const REQUIRED_CHARSET = 'utf8mb4';
+const REQUIRED_COLLATION = 'utf8mb4_general_ci';
+const BASELINE_FORMAT_VERSION = 1;
+const TOOL_VERSION = '1.0.0';
+const VERSION_PATTERN = /^v\d+\.\d+\.\d+$/;
+const DEVELOPMENT_HOSTS = new Set(['127.0.0.1', 'localhost', '::1']);
+const OBJECT_KEYS = Object.freeze(['tables', 'views', 'triggers', 'routines', 'events']);
+const CAPTURED_FILES = Object.freeze(['checksum.sha256', 'manifest.yaml', 'schema.sql']);
+const NOT_APPLICABLE_FILES = Object.freeze(['manifest.yaml']);
+
+function requireExactValue(actual, expected, message) {
+  if (actual !== expected) {
+    throw new Error(`${message}，要求 ${expected}，实际 ${actual || '(空)'}`);
+  }
+}
+
+function isEnabled(value) {
+  return value === true || value === 'true';
+}
+
+/**
+ * Schema 工具拥有比普通应用启动更窄的权限边界：即使连接地址看起来是本机，
+ * 环境名和数据库名也必须同时命中固定开发值，避免通过参数误切到生产库。
+ */
+export function assertSafeDevelopmentConfiguration(config) {
+  requireExactValue(config.APP_ENV, 'development', 'Schema 基线只允许 development 环境');
+  requireExactValue(
+    config.MYSQL_DATABASE,
+    DEVELOPMENT_DATABASE,
+    'Schema 基线只允许固定开发库 a_share_analysis_dev',
+  );
+  requireExactValue(config.MYSQL_CHARSET, REQUIRED_CHARSET, '数据库字符集不符合要求');
+  requireExactValue(
+    config.MYSQL_COLLATION,
+    REQUIRED_COLLATION,
+    '数据库排序规则不符合要求',
+  );
+  if (isEnabled(config.MYSQL_ENABLED)) {
+    if (!DEVELOPMENT_HOSTS.has(config.MYSQL_HOST)) {
+      throw new Error(
+        `Schema 基线只允许通过开发机回环地址连接，实际 ${config.MYSQL_HOST || '(空)'}；远程开发库必须先建立本地 SSH 隧道`,
+      );
+    }
+    for (const key of ['MYSQL_HOST', 'MYSQL_PORT', 'MYSQL_USERNAME', 'MYSQL_PASSWORD']) {
+      if (!String(config[key] ?? '').trim()) {
+        throw new Error(`MySQL 已启用，${key} 不能为空`);
+      }
+    }
+  } else if (config.MYSQL_ENABLED !== false && config.MYSQL_ENABLED !== 'false') {
+    throw new Error('MYSQL_ENABLED 必须显式为 true 或 false');
+  }
+
+  return Object.freeze({ ...config, MYSQL_ENABLED: isEnabled(config.MYSQL_ENABLED) });
+}
+
+/**
+ * 客户端与服务端分别校验，防止用 MySQL 8 客户端生成带有 5.7 无法稳定恢复的语法，
+ * 同时核对数据库自身字符规则，而不是信任 env 中的声明值。
+ */
+export function assertMysql57Metadata(metadata) {
+  if (!/^5\.7\.\d+(?:[-+].*)?$/.test(metadata.mysqlClientVersion ?? '')) {
+    throw new Error(`mysql 客户端必须为 5.7.x，实际 ${metadata.mysqlClientVersion || '(空)'}`);
+  }
+  if (!/^5\.7\.\d+(?:[-+].*)?$/.test(metadata.mysqldumpClientVersion ?? '')) {
+    throw new Error(
+      `mysqldump 客户端必须为 5.7.x，实际 ${metadata.mysqldumpClientVersion || '(空)'}`,
+    );
+  }
+  if (!/^5\.7\.\d+(?:[-+].*)?$/.test(metadata.serverVersion ?? '')) {
+    throw new Error(`MySQL 服务端必须为 5.7.x，实际 ${metadata.serverVersion || '(空)'}`);
+  }
+  requireExactValue(metadata.databaseCharset, REQUIRED_CHARSET, '开发数据库字符集不符合要求');
+  requireExactValue(
+    metadata.databaseCollation,
+    REQUIRED_COLLATION,
+    '开发数据库排序规则不符合要求',
+  );
+  return metadata;
+}
+
+export function buildMysqldumpArguments(config) {
+  assertSafeDevelopmentConfiguration(config);
+  return [
+    `--host=${config.MYSQL_HOST}`,
+    `--port=${config.MYSQL_PORT}`,
+    `--user=${config.MYSQL_USERNAME}`,
+    `--default-character-set=${REQUIRED_CHARSET}`,
+    '--no-data',
+    '--routines',
+    '--triggers',
+    '--events',
+    '--single-transaction',
+    '--skip-lock-tables',
+    '--skip-comments',
+    DEVELOPMENT_DATABASE,
+  ];
+}
+
+function buildMysqlMetadataArguments(config) {
+  return [
+    `--host=${config.MYSQL_HOST}`,
+    `--port=${config.MYSQL_PORT}`,
+    `--user=${config.MYSQL_USERNAME}`,
+    `--default-character-set=${REQUIRED_CHARSET}`,
+    '--batch',
+    '--skip-column-names',
+    DEVELOPMENT_DATABASE,
+    '--execute=SELECT VERSION(), DEFAULT_CHARACTER_SET_NAME, DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = DATABASE()',
+  ];
+}
+
+function assertSchemaHasNoSensitiveOrDataStatements(sql) {
+  // 安全扫描只忽略 SQL 字符串字面量，标识符反引号仍参与检查。否则存储过程
+  // 合法返回“DEFINER=”等说明文字时会被误判，而真正的对象 DEFINER 仍可检出。
+  const sqlWithoutStringLiterals = sql.replace(/'(?:''|\\.|[^'\\])*'/gs, "''");
+  const prohibitedPatterns = [
+    [sqlWithoutStringLiterals, /\bDEFINER\s*=/i, 'DEFINER'],
+    [sql, /--\s*Dump completed on/i, '导出完成时间'],
+    [sql, /--\s*Host:/i, '连接主机注释'],
+    [sql, /\bpassword\s*=/i, '疑似密码'],
+  ];
+  for (const [content, pattern, label] of prohibitedPatterns) {
+    if (pattern.test(content)) {
+      throw new Error(`Schema SQL 包含禁止内容：${label}`);
+    }
+  }
+
+  for (const statement of splitSqlStatements(sql)) {
+    let executableSql = statement
+      .replace(
+        /^(?:\s*--[^\n]*(?:\n|$)|\s*#[^\n]*(?:\n|$)|\s*\/\*(?!\!)[\s\S]*?\*\/\s*)+/g,
+        '',
+      )
+      .trim();
+    const candidates = [executableSql];
+    const executableComment = executableSql.match(/^\/\*!\d{5}\s+([\s\S]*?)\*\/\s*/);
+    if (executableComment) {
+      candidates.push(
+        executableComment[1].trim(),
+        executableSql.slice(executableComment[0].length).trim(),
+      );
+    }
+    const dataStatement = candidates.find((candidate) =>
+      /^(?:INSERT\s+INTO|REPLACE\s+INTO)\b/i.test(candidate),
+    );
+    if (dataStatement) {
+      throw new Error(
+        `Schema SQL 包含禁止的数据写入：${dataStatement.match(/^(?:INSERT\s+INTO|REPLACE\s+INTO)/i)[0]}`,
+      );
+    }
+  }
+}
+
+function findDelimiterOutsideStrings(content, delimiter) {
+  let quote = null;
+  let escaped = false;
+  for (let index = 0; index <= content.length - delimiter.length; index += 1) {
+    const character = content[index];
+    if (quote) {
+      if (escaped) {
+        escaped = false;
+      } else if (character === '\\') {
+        escaped = true;
+      } else if (character === quote) {
+        if (content[index + 1] === quote && quote !== '`') {
+          index += 1;
+        } else {
+          quote = null;
+        }
+      }
+      continue;
+    }
+    if (character === "'" || character === '"' || character === '`') {
+      quote = character;
+      continue;
+    }
+    if (content.startsWith(delimiter, index)) return index;
+  }
+  return -1;
+}
+
+/**
+ * mysqldump 用 DELIMITER 包住例程、触发器和事件。按真实分隔符切分后，
+ * 只有顶层以 INSERT/REPLACE 开头的语句代表数据；对象体内部 DML 必须保留。
+ */
+function splitSqlStatements(sql) {
+  const statements = [];
+  let delimiter = ';';
+  let buffer = '';
+  for (const line of String(sql).split(/(?<=\n)/)) {
+    const directive = line.trim().match(/^DELIMITER\s+(\S+)$/i);
+    if (directive) {
+      if (buffer.trim()) statements.push(buffer.trim());
+      buffer = '';
+      delimiter = directive[1];
+      continue;
+    }
+    buffer += line;
+    let delimiterIndex;
+    while ((delimiterIndex = findDelimiterOutsideStrings(buffer, delimiter)) >= 0) {
+      const statement = buffer.slice(0, delimiterIndex).trim();
+      if (statement) statements.push(statement);
+      buffer = buffer.slice(delimiterIndex + delimiter.length);
+    }
+  }
+  if (buffer.trim()) statements.push(buffer.trim());
+  return statements;
+}
+
+/**
+ * 规范化只删除 mysqldump 的环境噪声，不重排或重新格式化业务定义。
+ * 表选项中的当前 AUTO_INCREMENT 值会随数据增长变化；列定义的自增属性不匹配
+ * “等号加数字”的模式，因此会原样保留。
+ */
+export function normalizeSchemaSql(rawSql) {
+  const normalized = String(rawSql)
+    .replace(/\r\n?/g, '\n')
+    .replace(/^-- MySQL dump .*\n/gm, '')
+    .replace(/^-- Host:.*\n/gm, '')
+    .replace(/^-- -+\n/gm, '')
+    .replace(/^--\s*\n/gm, '')
+    .replace(/^-- Server version.*\n/gm, '')
+    .replace(/^-- Dump completed on .*\n?/gm, '')
+    .replace(/\/\*!\d{5}\s+DEFINER=`[^`]+`@`[^`]+`\*\//g, '')
+    .replace(
+      /^(\/\*!\d{5}\s+)DEFINER=`[^`]+`@`[^`]+`\s+(SQL SECURITY\s+(?:DEFINER|INVOKER)\s+\*\/)$/gm,
+      '$1$2',
+    )
+    // 普通视图的 DEFINER 只允许出现在版本注释外、语句行首的 CREATE 前缀中；
+    // 限定在行首可避免误删例程字符串或注释里的业务文本。
+    .replace(/^(\/\*!\d{5}\s+CREATE\s+[^\n]*?)\bDEFINER=`[^`]+`@`[^`]+`\s*/gm, '$1')
+    .replace(/^(\) ENGINE=[^\n;]*?) AUTO_INCREMENT=\d+(?= )/gm, '$1')
+    .replace(/^\s+/, '')
+    .replace(/\s+$/, '');
+
+  const result = normalized.length > 0 ? `${normalized}\n` : '';
+  assertSchemaHasNoSensitiveOrDataStatements(result);
+  return result;
+}
+
+function sha256(content) {
+  return createHash('sha256').update(content, 'utf8').digest('hex');
+}
+
+function buildManifest(fields) {
+  // JSON 是 YAML 1.2 的严格子集；使用标准解析器生成和读取，避免手写 YAML
+  // 对缩进、引号和同名嵌套字段产生歧义，同时仍保留约定的 manifest.yaml 文件名。
+  return `${JSON.stringify(
+    {
+      format_version: BASELINE_FORMAT_VERSION,
+      status: fields.status,
+      application_version: fields.applicationVersion,
+      git_commit: fields.gitCommit,
+      source_environment: 'development',
+      database_name: DEVELOPMENT_DATABASE,
+      mysql_client_version: fields.mysqlClientVersion,
+      mysqldump_client_version: fields.mysqldumpClientVersion,
+      mysql_server_version: fields.serverVersion,
+      charset: REQUIRED_CHARSET,
+      collation: REQUIRED_COLLATION,
+      generated_at: fields.generatedAt,
+      generator: `schema-baseline/${TOOL_VERSION}`,
+      reason: fields.reason ?? 'none',
+      schema_sha256: fields.schemaSha256 ?? 'not_applicable',
+      objects: {
+        tables: fields.captured,
+        views: fields.captured,
+        triggers: fields.captured,
+        routines: fields.captured,
+        events: fields.captured,
+      },
+    },
+    null,
+    2,
+  )}\n`;
+}
+
+export function buildCapturedArtifacts(metadata, sql) {
+  assertMysql57Metadata(metadata);
+  if (!VERSION_PATTERN.test(metadata.applicationVersion ?? '')) {
+    throw new Error(`应用版本格式无效：${metadata.applicationVersion || '(空)'}`);
+  }
+  const normalizedSql = normalizeSchemaSql(sql);
+  if (!normalizedSql.trim()) {
+    throw new Error('真实 Schema SQL 不能为空');
+  }
+  const schemaSha256 = sha256(normalizedSql);
+  const manifest = buildManifest({
+    ...metadata,
+    status: 'captured',
+    captured: true,
+    schemaSha256,
+  });
+  return Object.freeze({
+    status: 'captured',
+    schemaSha256,
+    files: Object.freeze({
+      'manifest.yaml': manifest,
+      'schema.sql': normalizedSql,
+      'checksum.sha256': `${schemaSha256}  schema.sql\n`,
+    }),
+  });
+}
+
+export function buildNotApplicableArtifacts(metadata) {
+  if (!VERSION_PATTERN.test(metadata.applicationVersion ?? '')) {
+    throw new Error(`应用版本格式无效：${metadata.applicationVersion || '(空)'}`);
+  }
+  const manifest = buildManifest({
+    ...metadata,
+    mysqlClientVersion: 'not_enabled',
+    mysqldumpClientVersion: 'not_enabled',
+    serverVersion: 'not_enabled',
+    status: 'not_applicable',
+    reason: 'mysql_disabled',
+    captured: false,
+  });
+  return Object.freeze({
+    status: 'not_applicable',
+    files: Object.freeze({ 'manifest.yaml': manifest }),
+  });
+}
+
+function compareExistingArtifacts(targetDirectory, artifacts) {
+  const actualFiles = readdirSync(targetDirectory).sort();
+  const expectedFiles = Object.keys(artifacts.files).sort();
+  if (
+    actualFiles.length !== expectedFiles.length ||
+    actualFiles.some((file, index) => file !== expectedFiles[index])
+  ) {
+    return false;
+  }
+  return expectedFiles.every(
+    (file) => readFileSync(path.join(targetDirectory, file), 'utf8') === artifacts.files[file],
+  );
+}
+
+/**
+ * 先在目标父目录写入临时目录，再原子改名。这样异常不会留下半份基线；
+ * 已发布版本目录只允许逐字节相同的幂等重跑，任何差异都必须人工留痕修正。
+ */
+export function persistBaselineArtifacts(targetDirectory, artifacts) {
+  if (existsSync(targetDirectory)) {
+    if (compareExistingArtifacts(targetDirectory, artifacts)) {
+      return { reused: true };
+    }
+    throw new Error(`目标版本基线已存在且内容不同，禁止覆盖：${targetDirectory}`);
+  }
+
+  const parentDirectory = path.dirname(targetDirectory);
+  mkdirSync(parentDirectory, { recursive: true });
+  const temporaryDirectory = path.join(
+    parentDirectory,
+    `.${path.basename(targetDirectory)}.tmp-${process.pid}-${Date.now()}`,
+  );
+  mkdirSync(temporaryDirectory);
+  try {
+    for (const [file, content] of Object.entries(artifacts.files)) {
+      writeFileSync(path.join(temporaryDirectory, file), content, 'utf8');
+    }
+    renameSync(temporaryDirectory, targetDirectory);
+  } catch (error) {
+    rmSync(temporaryDirectory, { recursive: true, force: true });
+    throw error;
+  }
+  return { reused: false };
+}
+
+function parseManifest(content) {
+  try {
+    return JSON.parse(content);
+  } catch {
+    throw new Error('manifest.yaml 不是有效的结构化 YAML/JSON 清单');
+  }
+}
+
+function assertExactFileSet(targetDirectory, expectedFiles) {
+  const actualFiles = readdirSync(targetDirectory).sort();
+  const sortedExpected = [...expectedFiles].sort();
+  if (
+    actualFiles.length !== sortedExpected.length ||
+    actualFiles.some((file, index) => file !== sortedExpected[index])
+  ) {
+    throw new Error(
+      `Schema 基线文件集合无效，要求 ${sortedExpected.join(', ')}，实际 ${actualFiles.join(', ')}`,
+    );
+  }
+}
+
+export function verifyBaselineDirectory(targetDirectory, expectedRelease, expectedCommit) {
+  if (!VERSION_PATTERN.test(expectedRelease ?? '')) {
+    throw new Error(`待验证版本格式无效：${expectedRelease || '(空)'}`);
+  }
+  if (!existsSync(targetDirectory)) {
+    throw new Error(`当前已发布版本缺少 Schema 基线：${targetDirectory}`);
+  }
+
+  const manifest = parseManifest(
+    readFileSync(path.join(targetDirectory, 'manifest.yaml'), 'utf8'),
+  );
+  const status = manifest.status;
+  const applicationVersion = manifest.application_version;
+  const generatedAt = Date.parse(manifest.generated_at ?? '');
+  if (
+    manifest.format_version !== BASELINE_FORMAT_VERSION ||
+    manifest.generator !== `schema-baseline/${TOOL_VERSION}` ||
+    !Number.isFinite(generatedAt) ||
+    !/^[0-9a-f]{40}$/.test(manifest.git_commit ?? '')
+  ) {
+    throw new Error('Schema 清单格式、生成器、时间或 Git 提交无效');
+  }
+  requireExactValue(applicationVersion, expectedRelease, 'Schema 基线版本与发布版本不一致');
+  if (expectedCommit !== undefined) {
+    requireExactValue(
+      manifest.git_commit,
+      expectedCommit,
+      'Schema 基线提交与发布标签不一致',
+    );
+  }
+  requireExactValue(
+    manifest.source_environment,
+    'development',
+    'Schema 基线来源环境无效',
+  );
+  requireExactValue(
+    manifest.database_name,
+    DEVELOPMENT_DATABASE,
+    'Schema 基线数据库名无效',
+  );
+  requireExactValue(manifest.charset, REQUIRED_CHARSET, 'Schema 字符集无效');
+  requireExactValue(
+    manifest.collation,
+    REQUIRED_COLLATION,
+    'Schema 排序规则无效',
+  );
+
+  if (status === 'not_applicable') {
+    assertExactFileSet(targetDirectory, NOT_APPLICABLE_FILES);
+    const reason = manifest.reason;
+    requireExactValue(reason, 'mysql_disabled', 'Schema 不适用原因无效');
+    if (
+      manifest.mysql_client_version !== 'not_enabled' ||
+      manifest.mysqldump_client_version !== 'not_enabled' ||
+      manifest.mysql_server_version !== 'not_enabled' ||
+      manifest.schema_sha256 !== 'not_applicable' ||
+      Object.keys(manifest.objects ?? {}).sort().join(',') !== [...OBJECT_KEYS].sort().join(',') ||
+      OBJECT_KEYS.some((key) => manifest.objects[key] !== false)
+    ) {
+      throw new Error('Schema 不适用清单必须证明 MySQL 未启用且所有对象均未捕获');
+    }
+    return { status, applicationVersion, reason };
+  }
+  if (status !== 'captured') {
+    throw new Error(`Schema 基线状态无效：${status}`);
+  }
+
+  assertExactFileSet(targetDirectory, CAPTURED_FILES);
+  assertMysql57Metadata({
+    mysqlClientVersion: manifest.mysql_client_version,
+    mysqldumpClientVersion: manifest.mysqldump_client_version,
+    serverVersion: manifest.mysql_server_version,
+    databaseCharset: manifest.charset,
+    databaseCollation: manifest.collation,
+  });
+  if (Object.keys(manifest.objects ?? {}).sort().join(',') !== [...OBJECT_KEYS].sort().join(',')) {
+    throw new Error('Schema 对象范围字段无效');
+  }
+  for (const objectName of OBJECT_KEYS) {
+    requireExactValue(manifest.objects?.[objectName], true, `Schema 对象范围缺少 ${objectName}`);
+  }
+  const sql = readFileSync(path.join(targetDirectory, 'schema.sql'), 'utf8');
+  if (!sql.trim()) {
+    throw new Error('真实 Schema SQL 不能为空');
+  }
+  assertSchemaHasNoSensitiveOrDataStatements(sql);
+  if (/^(\) ENGINE=[^\n;]*?) AUTO_INCREMENT=\d+(?= )/m.test(sql)) {
+    throw new Error('Schema SQL 仍包含当前 AUTO_INCREMENT 值');
+  }
+  const schemaSha256 = sha256(sql);
+  const manifestChecksum = manifest.schema_sha256;
+  const checksumFile = readFileSync(path.join(targetDirectory, 'checksum.sha256'), 'utf8');
+  if (manifestChecksum !== schemaSha256 || checksumFile !== `${schemaSha256}  schema.sql\n`) {
+    throw new Error('Schema SQL、manifest 和 checksum 校验值不一致');
+  }
+  return { status, applicationVersion, schemaSha256 };
+}
+
+export function parseEnvironmentFile(content) {
+  const config = {};
+  for (const rawLine of String(content).replace(/\r\n?/g, '\n').split('\n')) {
+    const line = rawLine.trim();
+    if (!line || line.startsWith('#')) continue;
+    const separator = line.indexOf('=');
+    if (separator <= 0) {
+      throw new Error('开发环境配置包含无效行');
+    }
+    const key = line.slice(0, separator).trim();
+    const value = line.slice(separator + 1).trim();
+    if (!/^[A-Z][A-Z0-9_]*$/.test(key)) {
+      throw new Error(`开发环境配置键无效：${key}`);
+    }
+    config[key] = value;
+  }
+  return config;
+}
+
+function extractClientVersion(output) {
+  const match = String(output).match(/\b(?:Distrib\s+)?(5\.7\.\d+(?:[-+][^\s,]+)?)/);
+  return match?.[1] ?? String(output).trim();
+}
+
+/**
+ * 真实执行器可注入是为了让测试证明“关闭时零数据库调用”和命令边界；默认执行器
+ * 仍使用 execFileSync 参数数组。密码仅放入子进程环境 MYSQL_PWD，不会进入 argv。
+ */
+export function runBaselineGeneration(options) {
+  if ((options.commandArguments ?? []).length > 0) {
+    throw new Error('Schema 基线命令不接受命令参数，不能覆盖环境、数据库或 env 路径');
+  }
+  const config = assertSafeDevelopmentConfiguration(
+    parseEnvironmentFile(readFileSync(options.envFile, 'utf8')),
+  );
+  const targetDirectory = path.join(
+    options.repositoryRoot,
+    'database',
+    'schema-baselines',
+    options.applicationVersion,
+  );
+  if (existsSync(targetDirectory)) {
+    return verifyBaselineDirectory(
+      targetDirectory,
+      options.applicationVersion,
+      options.gitCommit,
+    );
+  }
+
+  const commonMetadata = {
+    applicationVersion: options.applicationVersion,
+    gitCommit: options.gitCommit,
+    generatedAt: options.generatedAt ?? new Date().toISOString(),
+  };
+  if (!config.MYSQL_ENABLED) {
+    const artifacts = buildNotApplicableArtifacts(commonMetadata);
+    persistBaselineArtifacts(targetDirectory, artifacts);
+    return verifyBaselineDirectory(targetDirectory, options.applicationVersion);
+  }
+
+  const executeFile = options.executeFile ?? execFileSync;
+  const childEnvironment = { ...process.env, MYSQL_PWD: config.MYSQL_PASSWORD ?? '' };
+  const executionOptions = {
+    cwd: options.repositoryRoot,
+    encoding: 'utf8',
+    stdio: ['ignore', 'pipe', 'pipe'],
+    env: childEnvironment,
+  };
+  const mysqlClientVersion = extractClientVersion(
+    executeFile('mysql', ['--version'], executionOptions),
+  );
+  const mysqldumpClientVersion = extractClientVersion(
+    executeFile('mysqldump', ['--version'], executionOptions),
+  );
+  assertMysql57Metadata({
+    mysqlClientVersion,
+    mysqldumpClientVersion,
+    serverVersion: '5.7.0-pending-server-check',
+    databaseCharset: REQUIRED_CHARSET,
+    databaseCollation: REQUIRED_COLLATION,
+  });
+  const serverMetadata = String(
+    executeFile('mysql', buildMysqlMetadataArguments(config), executionOptions),
+  )
+    .trim()
+    .split('\t');
+  if (serverMetadata.length !== 3) {
+    throw new Error('无法从固定开发库读取 MySQL 版本、字符集和排序规则');
+  }
+  const metadata = {
+    ...commonMetadata,
+    mysqlClientVersion,
+    mysqldumpClientVersion,
+    serverVersion: serverMetadata[0],
+    databaseCharset: serverMetadata[1],
+    databaseCollation: serverMetadata[2],
+  };
+  assertMysql57Metadata(metadata);
+  const rawSql = executeFile('mysqldump', buildMysqldumpArguments(config), executionOptions);
+  const artifacts = buildCapturedArtifacts(metadata, rawSql);
+  persistBaselineArtifacts(targetDirectory, artifacts);
+  return verifyBaselineDirectory(targetDirectory, options.applicationVersion);
+}
+
+function runGit(repositoryRoot, args) {
+  return execFileSync('git', args, {
+    cwd: repositoryRoot,
+    encoding: 'utf8',
+    stdio: ['ignore', 'pipe', 'pipe'],
+  }).trim();
+}
+
+export function getCurrentReleasedVersion(repositoryRoot) {
+  const applicationVersion = runGit(repositoryRoot, [
+    'describe',
+    '--tags',
+    '--abbrev=0',
+    '--match',
+    'v[0-9]*',
+  ]);
+  if (!VERSION_PATTERN.test(applicationVersion)) {
+    throw new Error(`最近发布标签格式无效：${applicationVersion}`);
+  }
+  return {
+    applicationVersion,
+    gitCommit: runGit(repositoryRoot, ['rev-list', '-n', '1', applicationVersion]),
+  };
+}
+
+export function assertCurrentReleasedBaseline(repositoryRoot) {
+  const { applicationVersion, gitCommit } = getCurrentReleasedVersion(repositoryRoot);
+  return verifyBaselineDirectory(
+    path.join(repositoryRoot, 'database', 'schema-baselines', applicationVersion),
+    applicationVersion,
+    gitCommit,
+  );
+}
+
+function runGitLines(repositoryRoot, args) {
+  const output = runGit(repositoryRoot, args);
+  return output ? output.split('\n').filter(Boolean) : [];
+}
+
+/**
+ * 开始下一版本前使用严格门禁：本地校验只证明内容正确，不能证明它已经进入
+ * 可协作历史。这里进一步要求基线已跟踪、工作区无相关改动、当前 HEAD 已推送，
+ * 且 origin 上的发布标签仍指向清单记录的提交。
+ */
+export function assertCurrentReleasedBaselinePublished(repositoryRoot) {
+  const release = getCurrentReleasedVersion(repositoryRoot);
+  const relativeDirectory = path.posix.join(
+    'database',
+    'schema-baselines',
+    release.applicationVersion,
+  );
+  const result = verifyBaselineDirectory(
+    path.join(repositoryRoot, relativeDirectory),
+    release.applicationVersion,
+    release.gitCommit,
+  );
+  const trackedFiles = new Set(
+    runGitLines(repositoryRoot, ['ls-files', '--', relativeDirectory]),
+  );
+  const expectedFiles =
+    result.status === 'captured' ? CAPTURED_FILES : NOT_APPLICABLE_FILES;
+  for (const file of expectedFiles) {
+    const relativeFile = path.posix.join(relativeDirectory, file);
+    if (!trackedFiles.has(relativeFile)) {
+      throw new Error(`Schema 基线尚未提交到 Git：${relativeFile}`);
+    }
+  }
+  const localChanges = runGitLines(repositoryRoot, [
+    'status',
+    '--porcelain',
+    '--',
+    relativeDirectory,
+  ]);
+  if (localChanges.length > 0) {
+    throw new Error(`Schema 基线存在未提交改动：${localChanges.join(', ')}`);
+  }
+
+  const branch = runGit(repositoryRoot, ['branch', '--show-current']);
+  if (!branch) {
+    throw new Error('Schema 发布门禁要求当前位于可推送分支');
+  }
+  const localHead = runGit(repositoryRoot, ['rev-parse', 'HEAD']);
+  assertRemoteBranchMatches(repositoryRoot, branch, runGit, localHead);
+  const remoteTag = runGit(repositoryRoot, [
+    'ls-remote',
+    '--tags',
+    'origin',
+    `refs/tags/${release.applicationVersion}^{}`,
+  ]);
+  const remoteTagCommit = remoteTag.split(/\s+/)[0];
+  requireExactValue(remoteTagCommit, release.gitCommit, '远程发布标签与基线提交不一致');
+  return result;
+}
+
+export function assertRemoteBranchMatches(repositoryRoot, branch, gitRunner = runGit, localHead) {
+  const expectedHead = localHead ?? gitRunner(repositoryRoot, ['rev-parse', 'HEAD']);
+  const remoteOutput = gitRunner(repositoryRoot, ['ls-remote', 'origin', `refs/heads/${branch}`]);
+  const remoteHead = remoteOutput.split(/\s+/)[0];
+  requireExactValue(remoteHead, expectedHead, '当前分支尚未完整推送到 origin');
+  return true;
+}
+
+
+function resolveFixedDevelopmentEnv(repositoryRoot) {
+  const realDevelopmentEnv = path.join(repositoryRoot, 'deploy', 'env', 'development', 'api.env');
+  if (existsSync(realDevelopmentEnv)) return realDevelopmentEnv;
+  return path.join(repositoryRoot, 'deploy', 'env', 'development', 'api.env.example');
+}
+
+function runCommandLine() {
+  const [command, ...commandArguments] = process.argv.slice(2);
+  if (!['generate', 'verify'].includes(command) || commandArguments.length > 0) {
+    throw new Error('用法：node tools/database/schema-baseline.mjs <generate|verify>（不接受额外参数）');
+  }
+  const repositoryRoot = process.cwd();
+  const release = getCurrentReleasedVersion(repositoryRoot);
+  const result =
+    command === 'generate'
+      ? runBaselineGeneration({
+          repositoryRoot,
+          envFile: resolveFixedDevelopmentEnv(repositoryRoot),
+          ...release,
+          commandArguments,
+        })
+      : assertCurrentReleasedBaseline(repositoryRoot);
+  process.stdout.write(
+    `Schema 基线验证通过：${release.applicationVersion} (${result.status})\n`,
+  );
+}
+
+if (process.argv[1] && path.resolve(process.argv[1]) === fileURLToPath(import.meta.url)) {
+  runCommandLine();
+}