feat: implement QuestionBank CRUD with pagination and template query

- Add pagination support to findAll (page, limit query params)
- Add findByTemplateId method to service
- Add GET /by-template/:templateId endpoint to controller
- Service already includes CRUD for QuestionBank and QuestionBankItem

extract_cjk.py

@@ -0,0 +1,31 @@
+import os
+import re
+import json
+
+directories = ['d:/workspace/AuraK/web', 'd:/workspace/AuraK/server/src']
+exclude_dirs = ['node_modules', '.git', 'dist', '.next']
+extensions = ['.ts', '.tsx', '.js', '.jsx']
+
+cjk_pattern = re.compile(r'[\u4e00-\u9fff\u3040-\u309f\u30a0-\u30ff]+')
+
+cjk_lines = {}
+for d in directories:
+    for root, dirs, files in os.walk(d):
+        dirs[:] = [dir for dir in dirs if dir not in exclude_dirs]
+        for file in files:
+            if any(file.endswith(ext) for ext in extensions):
+                file_path = os.path.join(root, file)
+                try:
+                    with open(file_path, 'r', encoding='utf-8') as f:
+                        lines = f.readlines()
+                        for i, line in enumerate(lines):
+                            if cjk_pattern.search(line):
+                                if file_path not in cjk_lines:
+                                    cjk_lines[file_path] = []
+                                cjk_lines[file_path].append({"line": i + 1, "text": line.strip()})
+                except Exception as e:
+                    print(f"Error reading {file_path}: {e}")
+
+with open('cjk_extract.json', 'w', encoding='utf-8') as f:
+    json.dump(cjk_lines, f, ensure_ascii=False, indent=2)
+print("Extracted to cjk_extract.json")