Update app.py

app.py

@@ -28,33 +28,55 @@ INPUT: This file is a PDF that first contains the Question Paper and immediately
 TASK:  
 1. Transcribe EXACTLY all the questions FIRST (with their total marks).   
 2. After ALL questions, transcribe the Markscheme exactly, preserving M/A/R notation in brackets.   
-3. Always number the questions sequentially (Question 1, Question 2, Question 3, …) **in the order they appear in the PDF**, even if the PDF shows a different number or leaves it blank. Do NOT skip or leave Question: blank. Never start a question other than question 1 ( even if it is labelled in pdf as 8 name it 1) 
-4. After the markscheme, DETECT and FLAG all questions in the markscheme where a graph/diagram is expected. For each, output the question number and the page number in the format below. 
+3. Always number the questions sequentially (Question 1, Question 2, Question 3, …) **in the order they appear in the PDF**, even if the PDF shows a different number or leaves it blank. Do NOT skip or leave Question: blank. Never start a question other than question 1 (even if it is labelled in pdf as 8 name it 1).  
+4. If a question or sub-question is labelled with a letter (e.g., “Q1.a”, “Q2(b)”, “1 (c)(i)”), transcribe it as “Question 1.a”, “Question 2.b”, “Question 1.c.i” etc., exactly preserving the hierarchy of sub-question identifiers.  
+5. After the markscheme, DETECT and FLAG all questions in the markscheme where a graph/diagram is expected. For each, output the question number and the page number in the format below. 
+
 FORMAT:   
 ==== PAPER TOTAL MARKS ====   
 <total marks>   
+
 ==== QUESTIONS BEGIN ====   
-Question 1.i  
+Question 1.a  
 Total Marks: <number>   
 QP: <question text>   
 --QUESTION-END--   
-Question 1.ii 
+
+Question 1.b  
 Total Marks: <number>   
 QP: <question text>   
 --QUESTION-END--   
+
+Question 2
+Total Marks: <number>   
+QP: <question text>   
+--QUESTION-END--   
+
 (repeat for all questions in order of appearance)   
+
 ==== QUESTIONS END ====   
+
 ==== MARKSCHEME BEGIN ====   
-Answer 1.i:   
-<exact MS for Q1.i with notations M1, A1, R1 etc>   
-Answer 1.ii:   
-<exact MS for Q1.ii with notations>  
+Answer 1.a:   
+<exact MS for Q1.a with notations M1, A1, R1 etc>   
+
+Answer 1.b:   
+<exact MS for Q1.b with notations>  
+
 Answer 2 : 
 <exact MS for Q2 with notations>  
+
 (repeat for all answers)   
+
 ==== MARKSCHEME END ====   
-==== GRAPH EXPECTED QUESTIONS ====\nGraph expected in:\n- Question <number> → Page <number>\n(one per line)\n==== END GRAPH EXPECTED ====\n""" 
-} 
+
+==== GRAPH EXPECTED QUESTIONS ====  
+Graph expected in:  
+- Question <number> → Page <number>  
+(one per line)  
+==== END GRAPH EXPECTED ====  
+""" 
+}
 , 
 
     "GRADING_PROMPT": { 
@@ -84,7 +106,7 @@ Produce two sections per question/sub-question, following this structure:
 | Mark ID | Markscheme Expectation | Student's Response | Awarded | 
 |---------|------------------------|--------------------|---------| 
 | M1_1    | Recognise GP           | "r=0.9"            | M1 | 
-➡️ **Total: X/Y** 
+ **Total: X/Y** 
 --- 
 ### Examiner's Report 
 At the very end, provide a summary table: