diff --git a/tools/database/mysql2-schema-exporter.mjs b/tools/database/mysql2-schema-exporter.mjs
index 7aa9b62..8593f64 100644
--- a/tools/database/mysql2-schema-exporter.mjs
+++ b/tools/database/mysql2-schema-exporter.mjs
@@ -2,6 +2,33 @@ import { createRequire } from 'node:module';
 
 const require = createRequire(import.meta.url);
 const mysql2Version = require('mysql2/package.json').version;
+const DEVELOPMENT_DATABASE = 'a_share_analysis_dev';
+
+const CATALOG_QUERIES = Object.freeze({
+  tables: `SELECT TABLE_NAME, TABLE_TYPE
+FROM information_schema.TABLES
+WHERE TABLE_SCHEMA = ?
+ORDER BY TABLE_NAME`,
+  viewDependencies: `SELECT VIEW_NAME, TABLE_SCHEMA AS REFERENCED_SCHEMA_NAME,
+       TABLE_NAME AS REFERENCED_TABLE_NAME
+FROM information_schema.VIEW_TABLE_USAGE
+WHERE VIEW_SCHEMA = ?
+ORDER BY VIEW_NAME, REFERENCED_SCHEMA_NAME, REFERENCED_TABLE_NAME`,
+  routines: `SELECT ROUTINE_NAME, ROUTINE_TYPE
+FROM information_schema.ROUTINES
+WHERE ROUTINE_SCHEMA = ?
+ORDER BY ROUTINE_TYPE, ROUTINE_NAME`,
+  triggers: `SELECT TRIGGER_NAME, EVENT_OBJECT_TABLE, ACTION_TIMING,
+       EVENT_MANIPULATION, ACTION_ORDER
+FROM information_schema.TRIGGERS
+WHERE TRIGGER_SCHEMA = ?
+ORDER BY EVENT_OBJECT_TABLE, ACTION_TIMING, EVENT_MANIPULATION,
+         ACTION_ORDER, TRIGGER_NAME`,
+  events: `SELECT EVENT_NAME
+FROM information_schema.EVENTS
+WHERE EVENT_SCHEMA = ?
+ORDER BY EVENT_NAME`,
+});
 
 export const MYSQL2_EXPORTER_METADATA = Object.freeze({
   name: 'mysql2-show-create',
@@ -73,3 +100,159 @@ export function assertMysql57ServerMetadata(metadata) {
     throw new SchemaExportError('INVALID_DATABASE_COLLATION', '数据库排序规则必须为 utf8mb4_general_ci');
   }
 }
+
+function requireCatalogText(value) {
+  if (typeof value !== 'string' || value.length === 0) {
+    throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 对象目录字段无效');
+  }
+  return value;
+}
+
+async function queryCatalogRows(connection, sql, database, limits) {
+  const result = await connection.query({
+    sql,
+    values: [database],
+    timeout: limits.queryTimeoutMs,
+  });
+  if (!Array.isArray(result) || !Array.isArray(result[0])) {
+    throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 对象目录查询结果无效');
+  }
+  return result[0];
+}
+
+function assertObjectLimit(count, limits) {
+  if (!Number.isInteger(limits.maxObjects) || limits.maxObjects < 0 || count > limits.maxObjects) {
+    throw new SchemaExportError('OBJECT_LIMIT_EXCEEDED', 'Schema 对象数量超过安全上限');
+  }
+}
+
+/**
+ * 目录查询只从 information_schema 读取固定列，库名始终作为参数传入。每类对象
+ * 在进入后续 SHOW CREATE 前先转换成稳定的小对象，并在累计数量越界时立即停止。
+ */
+export async function readSchemaCatalog(connection, database, limits = DEFAULT_EXPORT_LIMITS) {
+  const tableRows = await queryCatalogRows(connection, CATALOG_QUERIES.tables, database, limits);
+  const tables = [];
+  const views = [];
+  for (const row of tableRows) {
+    const name = requireCatalogText(row.TABLE_NAME);
+    if (row.TABLE_TYPE === 'BASE TABLE') tables.push(name);
+    else if (row.TABLE_TYPE === 'VIEW') views.push(name);
+    else throw new SchemaExportError('UNKNOWN_TABLE_TYPE', 'Schema 目录包含未知表类型');
+  }
+  tables.sort();
+  views.sort();
+  let objectCount = tables.length + views.length;
+  assertObjectLimit(objectCount, limits);
+
+  const dependencyRows = await queryCatalogRows(
+    connection,
+    CATALOG_QUERIES.viewDependencies,
+    database,
+    limits,
+  );
+  const viewDependencies = dependencyRows.map((row) => ({
+    view: requireCatalogText(row.VIEW_NAME),
+    referencedSchema: requireCatalogText(row.REFERENCED_SCHEMA_NAME),
+    referencedObject: requireCatalogText(row.REFERENCED_TABLE_NAME),
+  }));
+
+  const routineRows = await queryCatalogRows(connection, CATALOG_QUERIES.routines, database, limits);
+  const routines = routineRows.map((row) => {
+    const type = requireCatalogText(row.ROUTINE_TYPE);
+    if (!['FUNCTION', 'PROCEDURE'].includes(type)) {
+      throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 目录包含未知例程类型');
+    }
+    return { name: requireCatalogText(row.ROUTINE_NAME), type };
+  });
+  routines.sort((left, right) => left.type.localeCompare(right.type) || left.name.localeCompare(right.name));
+  objectCount += routines.length;
+  assertObjectLimit(objectCount, limits);
+
+  const triggerRows = await queryCatalogRows(connection, CATALOG_QUERIES.triggers, database, limits);
+  const triggers = triggerRows.map((row) => {
+    const order = Number(row.ACTION_ORDER);
+    if (!Number.isInteger(order) || order < 0) {
+      throw new SchemaExportError('CATALOG_SHAPE_INVALID', 'Schema 触发器执行顺序无效');
+    }
+    return {
+      name: requireCatalogText(row.TRIGGER_NAME),
+      table: requireCatalogText(row.EVENT_OBJECT_TABLE),
+      timing: requireCatalogText(row.ACTION_TIMING),
+      event: requireCatalogText(row.EVENT_MANIPULATION),
+      order,
+    };
+  });
+  triggers.sort(
+    (left, right) =>
+      left.table.localeCompare(right.table) ||
+      left.timing.localeCompare(right.timing) ||
+      left.event.localeCompare(right.event) ||
+      left.order - right.order ||
+      left.name.localeCompare(right.name),
+  );
+  objectCount += triggers.length;
+  assertObjectLimit(objectCount, limits);
+
+  const eventRows = await queryCatalogRows(connection, CATALOG_QUERIES.events, database, limits);
+  const events = eventRows.map((row) => requireCatalogText(row.EVENT_NAME)).sort();
+  objectCount += events.length;
+  assertObjectLimit(objectCount, limits);
+
+  return Object.freeze({
+    tables: Object.freeze(tables),
+    views: Object.freeze(views),
+    viewDependencies: Object.freeze(viewDependencies.map((dependency) => Object.freeze(dependency))),
+    routines: Object.freeze(routines.map((routine) => Object.freeze(routine))),
+    triggers: Object.freeze(triggers.map((trigger) => Object.freeze(trigger))),
+    events: Object.freeze(events),
+  });
+}
+
+/**
+ * 视图恢复顺序使用稳定 Kahn 拓扑排序。跨库或未知依赖不能被默默忽略，否则恢复
+ * 出来的 Schema 可能引用未捕获对象；同层节点始终按名称排序以保证逐字节确定性。
+ */
+export function orderViewNames(catalog) {
+  const tables = new Set(catalog.tables ?? []);
+  const views = new Set(catalog.views ?? []);
+  const incoming = new Map([...views].map((view) => [view, 0]));
+  const dependents = new Map([...views].map((view) => [view, []]));
+
+  for (const dependency of catalog.viewDependencies ?? []) {
+    if (dependency.referencedSchema !== DEVELOPMENT_DATABASE) {
+      throw new SchemaExportError(
+        'CROSS_SCHEMA_VIEW_DEPENDENCY',
+        'Schema 视图包含跨库依赖',
+      );
+    }
+    if (!views.has(dependency.view)) {
+      throw new SchemaExportError('UNKNOWN_VIEW_DEPENDENCY', 'Schema 视图依赖来源未知');
+    }
+    if (tables.has(dependency.referencedObject)) continue;
+    if (!views.has(dependency.referencedObject)) {
+      throw new SchemaExportError('UNKNOWN_VIEW_DEPENDENCY', 'Schema 视图依赖对象未知');
+    }
+    incoming.set(dependency.view, incoming.get(dependency.view) + 1);
+    dependents.get(dependency.referencedObject).push(dependency.view);
+  }
+
+  for (const names of dependents.values()) names.sort();
+  const ready = [...views].filter((view) => incoming.get(view) === 0).sort();
+  const ordered = [];
+  while (ready.length > 0) {
+    const view = ready.shift();
+    ordered.push(view);
+    for (const dependent of dependents.get(view)) {
+      incoming.set(dependent, incoming.get(dependent) - 1);
+      if (incoming.get(dependent) === 0) {
+        ready.push(dependent);
+        ready.sort();
+      }
+    }
+  }
+  if (ordered.length !== views.size) {
+    throw new SchemaExportError('VIEW_DEPENDENCY_CYCLE', 'Schema 视图依赖存在循环');
+  }
+  return ordered;
+}
diff --git a/tools/database/mysql2-schema-exporter.test.mjs b/tools/database/mysql2-schema-exporter.test.mjs
index 836eecd..98f26ac 100644
--- a/tools/database/mysql2-schema-exporter.test.mjs
+++ b/tools/database/mysql2-schema-exporter.test.mjs
@@ -7,7 +7,9 @@ import {
   SchemaExportError,
   assertMysql57ServerMetadata,
   buildConnectionOptions,
+  orderViewNames,
   quoteIdentifier,
+  readSchemaCatalog,
 } from './mysql2-schema-exporter.mjs';
 
 const config = Object.freeze({
@@ -57,3 +59,170 @@ test('只接受 MySQL 5.7.x 与固定字符规则', () => {
     assert.throws(() => assertMysql57ServerMetadata({ ...valid, serverVersion }));
   }
 });
+
+function createCatalogConnection(overrides = {}) {
+  const rowsBySource = {
+    'information_schema.TABLES': [
+      { TABLE_NAME: 'market_snapshot', TABLE_TYPE: 'BASE TABLE' },
+      { TABLE_NAME: 'market_dashboard', TABLE_TYPE: 'VIEW' },
+      { TABLE_NAME: 'market_summary', TABLE_TYPE: 'VIEW' },
+    ],
+    'information_schema.VIEW_TABLE_USAGE': [
+      {
+        VIEW_NAME: 'market_dashboard',
+        REFERENCED_SCHEMA_NAME: 'a_share_analysis_dev',
+        REFERENCED_TABLE_NAME: 'market_summary',
+      },
+      {
+        VIEW_NAME: 'market_summary',
+        REFERENCED_SCHEMA_NAME: 'a_share_analysis_dev',
+        REFERENCED_TABLE_NAME: 'market_snapshot',
+      },
+    ],
+    'information_schema.ROUTINES': [
+      { ROUTINE_NAME: 'calculate_breadth', ROUTINE_TYPE: 'FUNCTION' },
+      { ROUTINE_NAME: 'refresh_market_snapshot', ROUTINE_TYPE: 'PROCEDURE' },
+    ],
+    'information_schema.TRIGGERS': [
+      {
+        TRIGGER_NAME: 'snapshot_before_insert',
+        EVENT_OBJECT_TABLE: 'market_snapshot',
+        ACTION_TIMING: 'BEFORE',
+        EVENT_MANIPULATION: 'INSERT',
+        ACTION_ORDER: 1,
+      },
+    ],
+    'information_schema.EVENTS': [{ EVENT_NAME: 'purge_market_snapshot' }],
+    ...overrides,
+  };
+  const calls = [];
+  return {
+    calls,
+    async query(options) {
+      calls.push(options);
+      const source = Object.keys(rowsBySource).find((candidate) => options.sql.includes(candidate));
+      assert.ok(source, `未识别的目录查询：${options.sql}`);
+      return [rowsBySource[source], []];
+    },
+  };
+}
+
+test('目录查询使用固定参数和超时并返回稳定对象', async () => {
+  const connection = createCatalogConnection();
+  const catalog = await readSchemaCatalog(connection, 'a_share_analysis_dev', DEFAULT_EXPORT_LIMITS);
+
+  assert.deepEqual(catalog, {
+    tables: ['market_snapshot'],
+    views: ['market_dashboard', 'market_summary'],
+    viewDependencies: [
+      {
+        view: 'market_dashboard',
+        referencedSchema: 'a_share_analysis_dev',
+        referencedObject: 'market_summary',
+      },
+      {
+        view: 'market_summary',
+        referencedSchema: 'a_share_analysis_dev',
+        referencedObject: 'market_snapshot',
+      },
+    ],
+    routines: [
+      { name: 'calculate_breadth', type: 'FUNCTION' },
+      { name: 'refresh_market_snapshot', type: 'PROCEDURE' },
+    ],
+    triggers: [
+      {
+        name: 'snapshot_before_insert',
+        table: 'market_snapshot',
+        timing: 'BEFORE',
+        event: 'INSERT',
+        order: 1,
+      },
+    ],
+    events: ['purge_market_snapshot'],
+  });
+  assert.equal(connection.calls.length, 5);
+  for (const call of connection.calls) {
+    assert.deepEqual(call.values, ['a_share_analysis_dev']);
+    assert.equal(call.timeout, DEFAULT_EXPORT_LIMITS.queryTimeoutMs);
+  }
+});
+
+test('视图按依赖拓扑排序且同层按名称稳定排序', () => {
+  const catalog = {
+    tables: ['market_snapshot'],
+    views: ['z_dashboard', 'market_summary', 'a_dashboard'],
+    viewDependencies: [
+      {
+        view: 'z_dashboard',
+        referencedSchema: 'a_share_analysis_dev',
+        referencedObject: 'market_summary',
+      },
+      {
+        view: 'a_dashboard',
+        referencedSchema: 'a_share_analysis_dev',
+        referencedObject: 'market_summary',
+      },
+      {
+        view: 'market_summary',
+        referencedSchema: 'a_share_analysis_dev',
+        referencedObject: 'market_snapshot',
+      },
+    ],
+  };
+
+  assert.deepEqual(orderViewNames(catalog), ['market_summary', 'a_dashboard', 'z_dashboard']);
+});
+
+test('视图排序拒绝循环、跨库和未知依赖', () => {
+  const base = { tables: ['market_snapshot'], views: ['first_view', 'second_view'] };
+  const invalidCases = [
+    {
+      code: 'VIEW_DEPENDENCY_CYCLE',
+      dependencies: [
+        { view: 'first_view', referencedSchema: 'a_share_analysis_dev', referencedObject: 'second_view' },
+        { view: 'second_view', referencedSchema: 'a_share_analysis_dev', referencedObject: 'first_view' },
+      ],
+    },
+    {
+      code: 'CROSS_SCHEMA_VIEW_DEPENDENCY',
+      dependencies: [
+        { view: 'first_view', referencedSchema: 'production', referencedObject: 'market_snapshot' },
+      ],
+    },
+    {
+      code: 'UNKNOWN_VIEW_DEPENDENCY',
+      dependencies: [
+        { view: 'first_view', referencedSchema: 'a_share_analysis_dev', referencedObject: 'missing_object' },
+      ],
+    },
+  ];
+
+  for (const invalid of invalidCases) {
+    assert.throws(
+      () => orderViewNames({ ...base, viewDependencies: invalid.dependencies }),
+      (error) => error instanceof SchemaExportError && error.code === invalid.code,
+    );
+  }
+});
+
+test('目录拒绝未知表类型和超过对象上限', async () => {
+  const unknownType = createCatalogConnection({
+    'information_schema.TABLES': [{ TABLE_NAME: 'temporary_data', TABLE_TYPE: 'SYSTEM VIEW' }],
+  });
+  await assert.rejects(
+    () => readSchemaCatalog(unknownType, 'a_share_analysis_dev', DEFAULT_EXPORT_LIMITS),
+    (error) => error instanceof SchemaExportError && error.code === 'UNKNOWN_TABLE_TYPE',
+  );
+
+  const overLimit = createCatalogConnection({
+    'information_schema.TABLES': [
+      { TABLE_NAME: 'first_table', TABLE_TYPE: 'BASE TABLE' },
+      { TABLE_NAME: 'second_table', TABLE_TYPE: 'BASE TABLE' },
+    ],
+  });
+  await assert.rejects(
+    () => readSchemaCatalog(overLimit, 'a_share_analysis_dev', { ...DEFAULT_EXPORT_LIMITS, maxObjects: 1 }),
+    (error) => error instanceof SchemaExportError && error.code === 'OBJECT_LIMIT_EXCEEDED',
+  );
+});