Update app.py

app.py

@@ -23,10 +23,11 @@ all_questions = load_questions('knowledge.txt')
 # ---- Simple way to assign questions to interview types ----
 # You can replace this later with better tagging
 questions_by_type = {
-    'Technical': [q for q in all_questions if any(keyword.lower() in q['question'].lower() for keyword in [
-        "Algorithms","System Design","SQL (Group By, Joins)",
-        "REST vs GraphQL","Garbage Collection","CAP Theorem",
-        "Security (SQL injection, XSS, Hashing)","Caching","Load Balancing"])],
+    'Technical': [q for q in all_questions if any(keyword in q['question'].lower() for keyword in [
+    'function', 'linked list', 'url', 'rest', 'graphql', 'garbage', 'cap theorem', 'sql', 'hash table',
+    'stack', 'queue', 'recursion', 'reverse', 'bfs', 'dfs', 'time complexity', 'binary search tree',
+    'web application', 'chat system', 'load balancing', 'caching', 'normalization', 'acid', 'indexing',
+    'sql injection', 'https', 'xss', 'hash', 'vulnerabilities'])],
     
     'Competency-Based Interview': [q for q in all_questions if any(keyword in q['question'].lower() for keyword in [
     "Debugging",