diff --git a/backend/package.json b/backend/package.json
index 5c53f2c..ee6d700 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -17,7 +17,7 @@
     "db:migrate:verify": "npm run build && node dist/db/migrate-cli.js verify",
     "db:migrate:down": "npm run build && node dist/db/migrate-cli.js down",
     "test:mysql:migration": "npm run build && node tests/mysql-migration-roundtrip.test.mjs",
-    "test": "npm run build && node tests/backend-contract.test.mjs && node tests/migration-contract.test.mjs && node tests/mysql-pool-contract.test.mjs && node tests/migration-runner.test.mjs && node tests/legacy-money.test.mjs && node tests/legacy-read-repository.test.mjs && node tests/task-repository.test.mjs && node tests/platform-config-repository.test.mjs && node tests/auth.test.mjs"
+    "test": "npm run build && node tests/backend-contract.test.mjs && node tests/migration-contract.test.mjs && node tests/mysql-pool-contract.test.mjs && node tests/migration-runner.test.mjs && node tests/legacy-money.test.mjs && node tests/legacy-read-repository.test.mjs && node tests/task-repository.test.mjs && node tests/platform-config-repository.test.mjs && node tests/auth.test.mjs && node tests/rbac.test.mjs"
   },
   "dependencies": {
     "@fastify/cors": "^11.2.0",
diff --git a/backend/src/auth/auth-repository.ts b/backend/src/auth/auth-repository.ts
index 240a03e..5844e14 100644
--- a/backend/src/auth/auth-repository.ts
+++ b/backend/src/auth/auth-repository.ts
@@ -119,6 +119,29 @@ export class AuthRepository {
         );
       }
       if (!user || user.status !== 'ACTIVE') throw new Error('USER_DISABLED');
+      await connection.execute(
+        `INSERT IGNORE INTO qipai_roles (tenant_id, code, name) VALUES
+          (?, 'CUSTOMER', '顾客'),
+          (?, 'CLEANER', '保洁员'),
+          (?, 'STAFF', '门店员工'),
+          (?, 'STORE_ADMIN', '门店管理员'),
+          (?, 'TENANT_ADMIN', '租户管理员'),
+          (?, 'PLATFORM_ADMIN', '平台管理员')`,
+        Array(6).fill(input.context.tenantId)
+      );
+      await connection.execute(
+        `INSERT IGNORE INTO qipai_user_roles (tenant_id, user_id, role_id)
+         SELECT ?, ?, id FROM qipai_roles
+         WHERE tenant_id = ? AND code = 'CUSTOMER' AND status = 'ACTIVE'`,
+        [input.context.tenantId, user.id, input.context.tenantId]
+      );
+      await connection.execute(
+        `INSERT IGNORE INTO qipai_role_permissions (tenant_id, role_id, permission_id)
+         SELECT ?, r.id, p.id FROM qipai_roles r
+         INNER JOIN qipai_permissions p ON p.code IN ('profile.read', 'order.self.read')
+         WHERE r.tenant_id = ? AND r.code = 'CUSTOMER'`,
+        [input.context.tenantId, input.context.tenantId]
+      );
       await connection.execute(
         `INSERT INTO qipai_auth_sessions
           (id, tenant_id, platform_app_id, user_id, role_version, expires_at, ip, user_agent)
diff --git a/backend/src/auth/rbac-repository.ts b/backend/src/auth/rbac-repository.ts
new file mode 100644
index 0000000..82c6048
--- /dev/null
+++ b/backend/src/auth/rbac-repository.ts
@@ -0,0 +1,93 @@
+import type { ResultSetHeader, RowDataPacket } from 'mysql2/promise';
+import type { MySqlPool } from '../db/mysql.js';
+
+export const roleCodes = [
+  'CUSTOMER', 'CLEANER', 'STAFF', 'STORE_ADMIN', 'TENANT_ADMIN', 'PLATFORM_ADMIN'
+] as const;
+
+export interface AccessProfile {
+  roles: string[];
+  capabilities: string[];
+  storeIds: string[];
+}
+
+interface CodeRow extends RowDataPacket { code: string }
+interface StoreRow extends RowDataPacket { storeId: string }
+
+export class RbacRepository {
+  constructor(private readonly pool: MySqlPool) {}
+
+  async ensureCustomerRole(tenantId: string, userId: string): Promise<void> {
+    await this.pool.execute(
+      `INSERT IGNORE INTO qipai_roles (tenant_id, code, name) VALUES
+        (?, 'CUSTOMER', '顾客'), (?, 'CLEANER', '保洁员'), (?, 'STAFF', '门店员工'),
+        (?, 'STORE_ADMIN', '门店管理员'), (?, 'TENANT_ADMIN', '租户管理员'),
+        (?, 'PLATFORM_ADMIN', '平台管理员')`,
+      Array(6).fill(tenantId)
+    );
+    await this.pool.execute(
+      `INSERT IGNORE INTO qipai_user_roles (tenant_id, user_id, role_id)
+       SELECT ?, ?, id FROM qipai_roles
+       WHERE tenant_id = ? AND code = 'CUSTOMER' AND status = 'ACTIVE'`,
+      [tenantId, userId, tenantId]
+    );
+    await this.pool.execute(
+      `INSERT IGNORE INTO qipai_role_permissions (tenant_id, role_id, permission_id)
+       SELECT ?, r.id, p.id
+       FROM qipai_roles r
+       INNER JOIN qipai_permissions p ON p.code IN ('profile.read', 'order.self.read')
+       WHERE r.tenant_id = ? AND r.code = 'CUSTOMER'`,
+      [tenantId, tenantId]
+    );
+  }
+
+  async getAccessProfile(tenantId: string, userId: string): Promise<AccessProfile> {
+    const [roles] = await this.pool.execute<CodeRow[]>(
+      `SELECT DISTINCT r.code FROM qipai_user_roles ur
+       INNER JOIN qipai_roles r
+         ON r.id = ur.role_id AND r.tenant_id = ur.tenant_id
+        AND r.status = 'ACTIVE' AND r.deleted_at IS NULL
+       WHERE ur.tenant_id = ? AND ur.user_id = ? ORDER BY r.code`,
+      [tenantId, userId]
+    );
+    const [permissions] = await this.pool.execute<CodeRow[]>(
+      `SELECT DISTINCT p.code FROM qipai_user_roles ur
+       INNER JOIN qipai_roles r
+         ON r.id = ur.role_id AND r.tenant_id = ur.tenant_id
+        AND r.status = 'ACTIVE' AND r.deleted_at IS NULL
+       INNER JOIN qipai_role_permissions rp
+         ON rp.tenant_id = ur.tenant_id AND rp.role_id = ur.role_id
+       INNER JOIN qipai_permissions p ON p.id = rp.permission_id
+       WHERE ur.tenant_id = ? AND ur.user_id = ? ORDER BY p.code`,
+      [tenantId, userId]
+    );
+    const [stores] = await this.pool.execute<StoreRow[]>(
+      `SELECT DISTINCT store_id AS storeId FROM qipai_user_store_scopes
+       WHERE tenant_id = ? AND user_id = ? ORDER BY store_id`,
+      [tenantId, userId]
+    );
+    return {
+      roles: roles.map((row) => row.code),
+      capabilities: permissions.map((row) => row.code),
+      storeIds: stores.map((row) => String(row.storeId))
+    };
+  }
+
+  async grantStore(input: {
+    tenantId: string; userId: string; storeId: string; scopeType: 'STAFF' | 'CLEANER';
+  }): Promise<boolean> {
+    const [result] = await this.pool.execute<ResultSetHeader>(
+      `INSERT IGNORE INTO qipai_user_store_scopes
+         (tenant_id, user_id, store_id, scope_type)
+       SELECT ?, ?, s.id, ?
+       FROM qipai_stores s
+       INNER JOIN qipai_users u ON u.id = ? AND u.tenant_id = ?
+       WHERE s.id = ? AND s.tenant_id = ? AND s.deleted_at IS NULL`,
+      [
+        input.tenantId, input.userId, input.scopeType,
+        input.userId, input.tenantId, input.storeId, input.tenantId
+      ]
+    );
+    return result.affectedRows === 1;
+  }
+}
diff --git a/backend/src/db/migration-runner.ts b/backend/src/db/migration-runner.ts
index 9a5fd37..5c66ba7 100644
--- a/backend/src/db/migration-runner.ts
+++ b/backend/src/db/migration-runner.ts
@@ -24,15 +24,18 @@ const migrationFiles: Record<MigrationDirection, readonly string[]> = {
     'database/migrations/2026061601_m01b_core_schema.up.sql',
     'database/migrations/2026061802_m01c_async_tasks.up.sql',
     'database/migrations/2026061803_m02a_tenant_apps.up.sql',
-    'database/migrations/2026061804_m02b_wechat_auth.up.sql'
+    'database/migrations/2026061804_m02b_wechat_auth.up.sql',
+    'database/migrations/2026061805_m02c_rbac.up.sql'
   ],
   verify: [
     'database/migrations/2026061601_m01b_core_schema.verify.sql',
     'database/migrations/2026061802_m01c_async_tasks.verify.sql',
     'database/migrations/2026061803_m02a_tenant_apps.verify.sql',
-    'database/migrations/2026061804_m02b_wechat_auth.verify.sql'
+    'database/migrations/2026061804_m02b_wechat_auth.verify.sql',
+    'database/migrations/2026061805_m02c_rbac.verify.sql'
   ],
   down: [
+    'database/migrations/2026061805_m02c_rbac.down.sql',
     'database/migrations/2026061804_m02b_wechat_auth.down.sql',
     'database/migrations/2026061803_m02a_tenant_apps.down.sql',
     'database/migrations/2026061802_m01c_async_tasks.down.sql',
@@ -152,7 +155,7 @@ export async function executeMigrationPlan(
   for (const [index, statement] of plan.statements.entries()) {
     const [result] = await pool.query(statement);
     if (plan.direction === 'verify') {
-      const minimumRows = [10, 26, 1, 2, 5, 1, 3, 5, 1, 3, 7, 1][index] ?? 1;
+      const minimumRows = [10, 26, 1, 2, 5, 1, 3, 5, 1, 3, 7, 1, 5, 3, 7, 1][index] ?? 1;
       if (!Array.isArray(result) || result.length < minimumRows) {
         throw new Error(
           `Migration verification statement ${index + 1} returned fewer than ${minimumRows} rows.`
diff --git a/backend/src/routes/auth.ts b/backend/src/routes/auth.ts
index 0d8ce8a..4b98a3c 100644
--- a/backend/src/routes/auth.ts
+++ b/backend/src/routes/auth.ts
@@ -4,6 +4,7 @@ import { z } from 'zod';
 import type { AuthRepository } from '../auth/auth-repository.js';
 import { signAccessToken, verifyAccessToken } from '../auth/jwt.js';
 import { WechatApiError, type WechatCodeExchange } from '../auth/wechat-client.js';
+import type { AccessProfile } from '../auth/rbac-repository.js';
 
 const headersSchema = z.object({
   'x-wechat-appid': z.string().trim().min(6).max(64),
@@ -17,6 +18,9 @@ export interface AuthRouteOptions {
   jwtSecret: string;
   accessTokenTtlSeconds: number;
   sessionTtlSeconds: number;
+  accessControl?: {
+    getAccessProfile(tenantId: string, userId: string): Promise<AccessProfile>;
+  };
 }
 
 export async function registerAuthRoutes(app: FastifyInstance, options: AuthRouteOptions): Promise<void> {
@@ -98,7 +102,14 @@ export async function registerAuthRoutes(app: FastifyInstance, options: AuthRout
   app.get('/app-api/auth/me', async (request, reply) => {
     const auth = await authenticate(request.headers.authorization, options);
     if (!auth) return unauthorized(reply, request.traceId);
-    return { code: 0, data: { user: publicUser(auth.user) }, traceId: request.traceId };
+    const access = options.accessControl
+      ? await options.accessControl.getAccessProfile(auth.user.tenantId, auth.user.id)
+      : { roles: [], capabilities: [], storeIds: [] };
+    return {
+      code: 0,
+      data: { user: publicUser(auth.user), access },
+      traceId: request.traceId
+    };
   });
 
   app.post('/app-api/auth/logout', async (request, reply) => {
diff --git a/backend/src/server.ts b/backend/src/server.ts
index a9580b3..c2b91c2 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -3,6 +3,7 @@ import { loadConfig } from './config.js';
 import { closeMySqlPool, createMySqlPool } from './db/mysql.js';
 import { PlatformConfigRepository } from './tenancy/platform-config-repository.js';
 import { AuthRepository } from './auth/auth-repository.js';
+import { RbacRepository } from './auth/rbac-repository.js';
 import { parseWechatAppSecrets, WechatHttpClient } from './auth/wechat-client.js';
 
 const config = loadConfig();
@@ -15,7 +16,8 @@ const app = await buildApp({
     wechat: new WechatHttpClient(parseWechatAppSecrets(config.auth.wechatAppSecretsJson)),
     jwtSecret: config.auth.jwtSecret,
     accessTokenTtlSeconds: config.auth.accessTokenTtlSeconds,
-    sessionTtlSeconds: config.auth.sessionTtlSeconds
+    sessionTtlSeconds: config.auth.sessionTtlSeconds,
+    accessControl: new RbacRepository(pool)
   }
 });
 app.addHook('onClose', async () => {
diff --git a/backend/tests/auth.test.mjs b/backend/tests/auth.test.mjs
index 667be54..8821add 100644
--- a/backend/tests/auth.test.mjs
+++ b/backend/tests/auth.test.mjs
@@ -90,7 +90,16 @@ const auth = {
   },
   jwtSecret: secret,
   accessTokenTtlSeconds: 900,
-  sessionTtlSeconds: 604800
+  sessionTtlSeconds: 604800,
+  accessControl: {
+    async getAccessProfile() {
+      return {
+        roles: ['CUSTOMER'],
+        capabilities: ['order.self.read', 'profile.read'],
+        storeIds: []
+      };
+    }
+  }
 };
 
 const app = await buildApp({ auth });
@@ -114,6 +123,7 @@ const me = await app.inject({
 });
 assert.equal(me.statusCode, 200);
 assert.equal(me.json().data.user.id, '21');
+assert.deepEqual(me.json().data.access.roles, ['CUSTOMER']);
 
 const logout = await app.inject({
   method: 'POST',
diff --git a/backend/tests/migration-contract.test.mjs b/backend/tests/migration-contract.test.mjs
index 0143699..fe8d0a3 100644
--- a/backend/tests/migration-contract.test.mjs
+++ b/backend/tests/migration-contract.test.mjs
@@ -21,6 +21,9 @@ const tenantAppsVerifySql = read('database/migrations/2026061803_m02a_tenant_app
 const authUpSql = read('database/migrations/2026061804_m02b_wechat_auth.up.sql');
 const authDownSql = read('database/migrations/2026061804_m02b_wechat_auth.down.sql');
 const authVerifySql = read('database/migrations/2026061804_m02b_wechat_auth.verify.sql');
+const rbacUpSql = read('database/migrations/2026061805_m02c_rbac.up.sql');
+const rbacDownSql = read('database/migrations/2026061805_m02c_rbac.down.sql');
+const rbacVerifySql = read('database/migrations/2026061805_m02c_rbac.verify.sql');
 
 const coreTables = [
   'qipai_schema_migrations',
@@ -112,4 +115,14 @@ assert.match(authUpSql, /UNIQUE KEY uq_qipai_user_identities_tenant_app_openid/)
 assert.match(authUpSql, /revoked_at DATETIME\(3\)/);
 assert.match(authUpSql, /expires_at DATETIME\(3\)/);
 
-console.log('PASS: M01-B through M02-B migration contracts are present.');
+for (const table of [
+  'qipai_permissions', 'qipai_roles', 'qipai_role_permissions',
+  'qipai_user_roles', 'qipai_user_store_scopes'
+]) {
+  assert.match(rbacUpSql, new RegExp(`CREATE TABLE IF NOT EXISTS ${table}\\b`));
+  assert.match(rbacDownSql, new RegExp(`DROP TABLE IF EXISTS ${table}\\b`));
+  assert.match(rbacVerifySql, new RegExp(`'${table}'`));
+}
+assert.match(rbacUpSql, /PRIMARY KEY \(tenant_id, user_id, store_id, scope_type\)/);
+
+console.log('PASS: M01-B through M02-C migration contracts are present.');
diff --git a/backend/tests/migration-runner.test.mjs b/backend/tests/migration-runner.test.mjs
index 06c614e..d4cef6f 100644
--- a/backend/tests/migration-runner.test.mjs
+++ b/backend/tests/migration-runner.test.mjs
@@ -15,7 +15,8 @@ assert.equal(plan.direction, 'up');
 assert.match(plan.file, /2026061601_m01b_core_schema\.up\.sql/);
 assert.match(plan.file, /2026061802_m01c_async_tasks\.up\.sql/);
 assert.match(plan.file, /2026061803_m02a_tenant_apps\.up\.sql/);
-assert.match(plan.file, /2026061804_m02b_wechat_auth\.up\.sql$/);
+assert.match(plan.file, /2026061804_m02b_wechat_auth\.up\.sql/);
+assert.match(plan.file, /2026061805_m02c_rbac\.up\.sql$/);
 assert.match(plan.checksum, /^[a-f0-9]{64}$/);
 assert.ok(plan.statements.length >= 11);
 
diff --git a/backend/tests/mysql-migration-roundtrip.test.mjs b/backend/tests/mysql-migration-roundtrip.test.mjs
index 6d33ab6..acf77d9 100644
--- a/backend/tests/mysql-migration-roundtrip.test.mjs
+++ b/backend/tests/mysql-migration-roundtrip.test.mjs
@@ -11,6 +11,7 @@ import {
   PlatformConfigRepository
 } from '../dist/tenancy/platform-config-repository.js';
 import { AuthRepository } from '../dist/auth/auth-repository.js';
+import { RbacRepository } from '../dist/auth/rbac-repository.js';
 import {
   executeMigrationPlan,
   loadMigrationPlan,
@@ -27,7 +28,10 @@ const expectedTables = [
   'qipai_orders',
   'qipai_outbox_events',
   'qipai_payments',
+  'qipai_permissions',
   'qipai_platform_apps',
+  'qipai_role_permissions',
+  'qipai_roles',
   'qipai_rooms',
   'qipai_schema_migrations',
   'qipai_stores',
@@ -35,6 +39,8 @@ const expectedTables = [
   'qipai_tenant_configs',
   'qipai_tenants',
   'qipai_user_identities',
+  'qipai_user_roles',
+  'qipai_user_store_scopes',
   'qipai_users'
 ];
 const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
@@ -56,9 +62,9 @@ async function readMigrationVersions(pool) {
   const [rows] = await pool.query(
     `SELECT version, name
      FROM qipai_schema_migrations
-     WHERE version IN (?, ?, ?, ?)
+     WHERE version IN (?, ?, ?, ?, ?)
      ORDER BY version`,
-    ['2026061601', '2026061802', '2026061803', '2026061804']
+    ['2026061601', '2026061802', '2026061803', '2026061804', '2026061805']
   );
   return rows;
 }
@@ -193,6 +199,28 @@ async function assertRevocableAuthSession(pool, context) {
     userAgent: 'M02-B test'
   });
   assert.equal(session.user.userType, 'CUSTOMER');
+  const rbac = new RbacRepository(pool);
+  assert.deepEqual(await rbac.getAccessProfile(context.tenantId, session.user.id), {
+    roles: ['CUSTOMER'],
+    capabilities: ['order.self.read', 'profile.read'],
+    storeIds: []
+  });
+  const [storeResult] = await pool.query(
+    `INSERT INTO qipai_stores (tenant_id, name) VALUES (?, 'M02C Store')`,
+    [context.tenantId]
+  );
+  assert.equal(await rbac.grantStore({
+    tenantId: context.tenantId,
+    userId: session.user.id,
+    storeId: String(storeResult.insertId),
+    scopeType: 'STAFF'
+  }), true);
+  assert.equal(await rbac.grantStore({
+    tenantId: String(Number(context.tenantId) + 1),
+    userId: session.user.id,
+    storeId: String(storeResult.insertId),
+    scopeType: 'STAFF'
+  }), false);
   assert.equal((await repository.loginWithWechat({
     context,
     openid: 'm02b-openid-a',
@@ -249,7 +277,8 @@ try {
     { version: '2026061601', name: 'm01b_core_schema' },
     { version: '2026061802', name: 'm01c_async_tasks' },
     { version: '2026061803', name: 'm02a_tenant_apps' },
-    { version: '2026061804', name: 'm02b_wechat_auth' }
+    { version: '2026061804', name: 'm02b_wechat_auth' },
+    { version: '2026061805', name: 'm02c_rbac' }
   ]);
   await assertTaskDurability(pool);
   const loginContext = await assertPlatformTenantIsolation(pool);
@@ -269,7 +298,8 @@ try {
     { version: '2026061601', name: 'm01b_core_schema' },
     { version: '2026061802', name: 'm01c_async_tasks' },
     { version: '2026061803', name: 'm02a_tenant_apps' },
-    { version: '2026061804', name: 'm02b_wechat_auth' }
+    { version: '2026061804', name: 'm02b_wechat_auth' },
+    { version: '2026061805', name: 'm02c_rbac' }
   ]);
   await assertLegacyCompatibility(pool);
   console.log('PASS: second up and verify restored the schema.');
@@ -300,7 +330,9 @@ try {
       'cross-tenant bootstrap rejection',
       'openid identity reuse',
       'session revocation',
-      'role-version invalidation'
+      'role-version invalidation',
+      'customer capabilities',
+      'cross-tenant store grant rejection'
     ]
   }, null, 2));
 } finally {
diff --git a/backend/tests/rbac.test.mjs b/backend/tests/rbac.test.mjs
new file mode 100644
index 0000000..414cd36
--- /dev/null
+++ b/backend/tests/rbac.test.mjs
@@ -0,0 +1,31 @@
+import assert from 'node:assert/strict';
+import { RbacRepository, roleCodes } from '../dist/auth/rbac-repository.js';
+
+assert.deepEqual(roleCodes, [
+  'CUSTOMER', 'CLEANER', 'STAFF', 'STORE_ADMIN', 'TENANT_ADMIN', 'PLATFORM_ADMIN'
+]);
+
+const calls = [];
+const repository = new RbacRepository({
+  async execute(sql, params) {
+    calls.push([sql, params]);
+    if (sql.includes('SELECT DISTINCT r.code')) return [[{ code: 'CUSTOMER' }], []];
+    if (sql.includes('SELECT DISTINCT p.code')) {
+      return [[{ code: 'order.self.read' }, { code: 'profile.read' }], []];
+    }
+    if (sql.includes('SELECT DISTINCT store_id')) return [[{ storeId: 11 }], []];
+    return [{ affectedRows: 1 }, []];
+  }
+});
+assert.deepEqual(await repository.getAccessProfile('7', '21'), {
+  roles: ['CUSTOMER'],
+  capabilities: ['order.self.read', 'profile.read'],
+  storeIds: ['11']
+});
+assert.equal(await repository.grantStore({
+  tenantId: '7', userId: '21', storeId: '11', scopeType: 'STAFF'
+}), true);
+assert.match(calls.at(-1)[0], /s\.tenant_id = \?/);
+assert.match(calls.at(-1)[0], /u\.tenant_id = \?/);
+
+console.log('PASS: M02-C roles, capabilities and tenant-scoped store grants are present.');
diff --git a/database/migrations/2026061805_m02c_rbac.down.sql b/database/migrations/2026061805_m02c_rbac.down.sql
new file mode 100644
index 0000000..467e8f2
--- /dev/null
+++ b/database/migrations/2026061805_m02c_rbac.down.sql
@@ -0,0 +1,6 @@
+DELETE FROM qipai_schema_migrations WHERE version = '2026061805';
+DROP TABLE IF EXISTS qipai_user_store_scopes;
+DROP TABLE IF EXISTS qipai_user_roles;
+DROP TABLE IF EXISTS qipai_role_permissions;
+DROP TABLE IF EXISTS qipai_roles;
+DROP TABLE IF EXISTS qipai_permissions;
diff --git a/database/migrations/2026061805_m02c_rbac.up.sql b/database/migrations/2026061805_m02c_rbac.up.sql
new file mode 100644
index 0000000..6f1dd6e
--- /dev/null
+++ b/database/migrations/2026061805_m02c_rbac.up.sql
@@ -0,0 +1,69 @@
+CREATE TABLE IF NOT EXISTS qipai_permissions (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  code VARCHAR(128) NOT NULL,
+  name VARCHAR(128) NOT NULL,
+  category VARCHAR(64) NOT NULL,
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  UNIQUE KEY uq_qipai_permissions_code (code)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS qipai_roles (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  tenant_id BIGINT UNSIGNED NOT NULL,
+  code VARCHAR(32) NOT NULL,
+  name VARCHAR(64) NOT NULL,
+  role_version INT UNSIGNED NOT NULL DEFAULT 1,
+  status VARCHAR(32) NOT NULL DEFAULT 'ACTIVE',
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
+  deleted_at DATETIME(3) NULL,
+  CONSTRAINT fk_qipai_roles_tenant FOREIGN KEY (tenant_id) REFERENCES qipai_tenants(id),
+  UNIQUE KEY uq_qipai_roles_tenant_code (tenant_id, code)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS qipai_role_permissions (
+  tenant_id BIGINT UNSIGNED NOT NULL,
+  role_id BIGINT UNSIGNED NOT NULL,
+  permission_id BIGINT UNSIGNED NOT NULL,
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (tenant_id, role_id, permission_id),
+  CONSTRAINT fk_qipai_role_permissions_tenant FOREIGN KEY (tenant_id) REFERENCES qipai_tenants(id),
+  CONSTRAINT fk_qipai_role_permissions_role FOREIGN KEY (role_id) REFERENCES qipai_roles(id),
+  CONSTRAINT fk_qipai_role_permissions_permission FOREIGN KEY (permission_id) REFERENCES qipai_permissions(id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS qipai_user_roles (
+  tenant_id BIGINT UNSIGNED NOT NULL,
+  user_id BIGINT UNSIGNED NOT NULL,
+  role_id BIGINT UNSIGNED NOT NULL,
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (tenant_id, user_id, role_id),
+  CONSTRAINT fk_qipai_user_roles_tenant FOREIGN KEY (tenant_id) REFERENCES qipai_tenants(id),
+  CONSTRAINT fk_qipai_user_roles_user FOREIGN KEY (user_id) REFERENCES qipai_users(id),
+  CONSTRAINT fk_qipai_user_roles_role FOREIGN KEY (role_id) REFERENCES qipai_roles(id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS qipai_user_store_scopes (
+  tenant_id BIGINT UNSIGNED NOT NULL,
+  user_id BIGINT UNSIGNED NOT NULL,
+  store_id BIGINT UNSIGNED NOT NULL,
+  scope_type VARCHAR(32) NOT NULL DEFAULT 'STAFF',
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  PRIMARY KEY (tenant_id, user_id, store_id, scope_type),
+  CONSTRAINT fk_qipai_user_store_scopes_tenant FOREIGN KEY (tenant_id) REFERENCES qipai_tenants(id),
+  CONSTRAINT fk_qipai_user_store_scopes_user FOREIGN KEY (user_id) REFERENCES qipai_users(id),
+  CONSTRAINT fk_qipai_user_store_scopes_store FOREIGN KEY (store_id) REFERENCES qipai_stores(id),
+  KEY idx_qipai_user_store_scopes_store (tenant_id, store_id, scope_type)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT IGNORE INTO qipai_permissions (code, name, category) VALUES
+  ('profile.read', '查看个人资料', 'account'),
+  ('order.self.read', '查看本人订单', 'order'),
+  ('cleaning.task.read', '查看保洁任务', 'cleaning'),
+  ('store.operation.read', '查看门店运营', 'store'),
+  ('store.operation.write', '管理门店运营', 'store'),
+  ('tenant.manage', '管理租户', 'tenant'),
+  ('platform.manage', '管理平台', 'platform');
+
+INSERT IGNORE INTO qipai_schema_migrations (version, name)
+VALUES ('2026061805', 'm02c_rbac');
diff --git a/database/migrations/2026061805_m02c_rbac.verify.sql b/database/migrations/2026061805_m02c_rbac.verify.sql
new file mode 100644
index 0000000..6647da3
--- /dev/null
+++ b/database/migrations/2026061805_m02c_rbac.verify.sql
@@ -0,0 +1,19 @@
+SELECT table_name FROM information_schema.tables
+WHERE table_schema = DATABASE()
+  AND table_name IN ('qipai_permissions', 'qipai_roles', 'qipai_role_permissions',
+                     'qipai_user_roles', 'qipai_user_store_scopes')
+ORDER BY table_name;
+
+SELECT table_name, index_name FROM information_schema.statistics
+WHERE table_schema = DATABASE()
+  AND ((table_name = 'qipai_permissions' AND index_name = 'uq_qipai_permissions_code')
+    OR (table_name = 'qipai_roles' AND index_name = 'uq_qipai_roles_tenant_code')
+    OR (table_name = 'qipai_user_store_scopes' AND index_name = 'idx_qipai_user_store_scopes_store'))
+GROUP BY table_name, index_name ORDER BY table_name, index_name;
+
+SELECT code FROM qipai_permissions
+WHERE code IN ('profile.read', 'order.self.read', 'cleaning.task.read',
+               'store.operation.read', 'store.operation.write', 'tenant.manage', 'platform.manage')
+ORDER BY code;
+
+SELECT version, name FROM qipai_schema_migrations WHERE version = '2026061805';
diff --git a/scripts/dev/windows/check-backend.ps1 b/scripts/dev/windows/check-backend.ps1
index 1ecafcd..726737c 100644
--- a/scripts/dev/windows/check-backend.ps1
+++ b/scripts/dev/windows/check-backend.ps1
@@ -8,6 +8,7 @@ $requiredFiles = @(
   "backend/src/app.ts",
   "backend/src/auth/auth-repository.ts",
   "backend/src/auth/jwt.ts",
+  "backend/src/auth/rbac-repository.ts",
   "backend/src/auth/wechat-client.ts",
   "backend/src/config.ts",
   "backend/src/db/mysql.ts",
@@ -31,6 +32,7 @@ $requiredFiles = @(
   "backend/tests/task-repository.test.mjs",
   "backend/tests/platform-config-repository.test.mjs",
   "backend/tests/auth.test.mjs",
+  "backend/tests/rbac.test.mjs",
   "scripts/dev/wsl/mysql-migration-roundtrip.sh",
   "database/migrations/2026061601_m01b_core_schema.up.sql",
   "database/migrations/2026061601_m01b_core_schema.down.sql",
@@ -44,6 +46,9 @@ $requiredFiles = @(
   "database/migrations/2026061804_m02b_wechat_auth.up.sql",
   "database/migrations/2026061804_m02b_wechat_auth.down.sql",
   "database/migrations/2026061804_m02b_wechat_auth.verify.sql",
+  "database/migrations/2026061805_m02c_rbac.up.sql",
+  "database/migrations/2026061805_m02c_rbac.down.sql",
+  "database/migrations/2026061805_m02c_rbac.verify.sql",
   "database/seeds/2026061601_m01b_minimal_seed.sql",
   "deploy/pm2/ecosystem.config.cjs"
 )
diff --git a/scripts/dev/wsl/mysql-migration-roundtrip.sh b/scripts/dev/wsl/mysql-migration-roundtrip.sh
index b6e93a0..203d9d4 100644
--- a/scripts/dev/wsl/mysql-migration-roundtrip.sh
+++ b/scripts/dev/wsl/mysql-migration-roundtrip.sh
@@ -93,6 +93,6 @@ export QIPAI_MYSQL_USER="${username}"
 export QIPAI_MYSQL_PASSWORD="${password}"
 export QIPAI_MYSQL_CONNECTION_LIMIT=2
 
-echo "INFO: MySQL ${mysql_version}; running M01-B through M02-B migration roundtrip in a temporary database."
+echo "INFO: MySQL ${mysql_version}; running M01-B through M02-C migration roundtrip in a temporary database."
 npm --prefix backend run test:mysql:migration
-echo "PASS: M01-B through M02-B live MySQL migration roundtrip completed."
+echo "PASS: M01-B through M02-C live MySQL migration roundtrip completed."