fix

main.py

@@ -280,7 +280,20 @@ class HealthcareChatbot:
                 - Numbers to integers
                 - Set appropriate defaults for optional parameters if beneficial
 
-                STEP 4: VALIDATION
+                STEP 4: DATE/TIME PROCESSING
+                - Identify any temporal expressions in the user query
+                - Convert relative dates/times using the current context:
+                * "اليوم" (today) = current date
+                * "غدا" (tomorrow) = current date + 1 day
+                * "أمس" (yesterday) = current date - 1 day
+                * "الأسبوع القادم" (next week) = current date + 7 days
+                * "بعد ساعتين" (in 2 hours) = current time + 2 hours
+                * "صباحًا" (morning/AM), "مساءً" (evening/PM)
+                - Handle different date formats and languages
+                - Account for timezone differences
+                - Convert to ISO 8601 format: YYYY-MM-DDTHH:MM:SS
+
+                STEP 5: VALIDATION
                 - Ensure ALL required parameters are provided or identified as missing
                 - Verify parameter formats match documentation requirements
                 - Check that the selected endpoint actually solves the user's problem