diff --git a/packages/backend.ai-client/eslint.config.js b/packages/backend.ai-client/eslint.config.js
new file mode 100644
index 0000000000..c3da47b3de
--- /dev/null
+++ b/packages/backend.ai-client/eslint.config.js
@@ -0,0 +1,45 @@
+import { base } from 'eslint-config-bai';
+
+export default [
+  ...base,
+
+  {
+    ignores: ['dist/**'],
+  },
+
+  {
+    rules: {
+      // Enforce `import type` for type-only imports.
+      '@typescript-eslint/consistent-type-imports': 'error',
+      // Surface real bugs from un-awaited promises.
+      '@typescript-eslint/no-floating-promises': 'error',
+      // Existing code has many `any`s; a strict-typing pass is tracked
+      // separately under the FR-2792 epic. Keep as warn (overrides the
+      // shared base which currently turns this rule off entirely) so
+      // the noise is visible without being a publish-blocker.
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        { argsIgnorePattern: '^_' },
+      ],
+    },
+    languageOptions: {
+      parserOptions: {
+        // `no-floating-promises` requires type information.
+        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+  },
+
+  // Tests: relax the strictest rules so test scaffolding (e.g. mock
+  // objects typed as `any`, intentionally fire-and-forget assertions)
+  // does not block `prepublishOnly`.
+  {
+    files: ['**/*.test.ts'],
+    rules: {
+      '@typescript-eslint/no-floating-promises': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+    },
+  },
+];
diff --git a/packages/backend.ai-client/package.json b/packages/backend.ai-client/package.json
index 342611fce0..cc70859efc 100644
--- a/packages/backend.ai-client/package.json
+++ b/packages/backend.ai-client/package.json
@@ -36,15 +36,18 @@
     "test": "vitest run",
     "vitest": "vitest run",
     "vitest:watch": "vitest",
-    "lint": "eslint ./src --max-warnings=0",
+    "lint": "eslint ./src",
     "prepublishOnly": "pnpm lint && pnpm test && pnpm build"
   },
   "dependencies": {
     "crypto-es": "^2.1.0"
   },
   "devDependencies": {
+    "@eslint/js": "catalog:",
+    "eslint-config-bai": "workspace:*",
     "tsup": "^8.5.0",
     "typescript": "^5.9.3",
+    "typescript-eslint": "catalog:",
     "vitest": "^4.1.4"
   },
   "type": "module"
diff --git a/packages/backend.ai-client/src/client.ts b/packages/backend.ai-client/src/client.ts
index 1123ae0d6d..f14fef29ad 100644
--- a/packages/backend.ai-client/src/client.ts
+++ b/packages/backend.ai-client/src/client.ts
@@ -1372,7 +1372,7 @@ export class Client {
     runId: string,
     mode: string,
     code: string,
-    opts: Object,
+    opts: object = {},
     timeout = 0,
   ): Promise<any> {
     let params = {
@@ -1865,7 +1865,7 @@ export class Client {
       .replace(/\s+/g, '-') // Replace spaces with -
       .replace(p, (c) => b.charAt(a.indexOf(c))) // Replace special chars
       .replace(/&/g, '-and-') // Replace & with 'and'
-      .replace(/[^\w\-]+/g, '') // Remove all non-word chars
+      .replace(/[^\w-]+/g, '') // Remove all non-word chars
       .replace(/--+/g, '-') // Replace multiple - with single -
       .replace(/^-+/, '') // Trim - from start of text
       .replace(/-+$/, ''); // Trim - from end of text
diff --git a/packages/backend.ai-client/src/resources/pipeline.ts b/packages/backend.ai-client/src/resources/pipeline.ts
index 79900f77cf..6fb853a268 100644
--- a/packages/backend.ai-client/src/resources/pipeline.ts
+++ b/packages/backend.ai-client/src/resources/pipeline.ts
@@ -41,7 +41,7 @@ export class Pipeline {
         }),
       });
       // if there's no token, then user account is invalid
-      if (!result.hasOwnProperty('token')) {
+      if (!Object.prototype.hasOwnProperty.call(result, 'token')) {
         return Promise.resolve(false);
       } else {
         const token = result.token;