WIP: Add conditional questions - backend models and schemas updated

backend/migrate_conditional_questions.py

@@ -0,0 +1,45 @@
+"""
+Migration script to add conditional questions support
+Run this script to add parent_question_id and show_if_answer columns
+"""
+from sqlalchemy import create_engine, text
+import os
+
+DATABASE_URL = os.getenv("DATABASE_URL", "postgresql://checklist_user:checklist_pass_2024@localhost:5432/checklist_db")
+
+engine = create_engine(DATABASE_URL)
+
+migrations = [
+    """
+    ALTER TABLE questions 
+    ADD COLUMN IF NOT EXISTS parent_question_id INTEGER REFERENCES questions(id) ON DELETE CASCADE;
+    """,
+    """
+    ALTER TABLE questions 
+    ADD COLUMN IF NOT EXISTS show_if_answer VARCHAR(50);
+    """,
+    """
+    CREATE INDEX IF NOT EXISTS idx_questions_parent 
+    ON questions(parent_question_id);
+    """
+]
+
+def run_migration():
+    print("🔄 Starting migration for conditional questions...")
+    
+    with engine.connect() as conn:
+        for i, migration in enumerate(migrations, 1):
+            try:
+                conn.execute(text(migration))
+                conn.commit()
+                print(f"✅ Migration {i}/{len(migrations)} completed")
+            except Exception as e:
+                print(f"❌ Error in migration {i}: {e}")
+                conn.rollback()
+                return False
+    
+    print("✅ All migrations completed successfully!")
+    return True
+
+if __name__ == "__main__":
+    run_migration()