Update app.py

app.py

@@ -1234,6 +1234,8 @@ If you find any "Code-Blocks" then,
      (([ballSpeed v]) * (1.1))
      ```
    - **Every hat block script must end** with a final `end` on its own line.
+   - **[critical important]:Every nested control structure (forever, repeat, if, if-else, etc.) must also have its own `end` placed at the correct depth, ensuring proper closure of each block. The placement of `end` is critical for differentiating script meaning (e.g., Case 1 vs Case 2 nesting).**
+
    
 3. **Pseudo‑code formatting**:
    - Represent each block or nested block on its own line.
@@ -1243,7 +1245,7 @@ If you find any "Code-Blocks" then,
    - a natural language breakdown of each step taken after the event, formatted as a multi-line string representing pseudo-code. Ensure clarity and granularity—each described action should map closely to a Scratch block or tight sequence. 
    - **The pseudocode must be returned as a single string separated by `\n` (not as a list of strings).**
    - **Never use string concatenation (`+`) or arrays—only one continuous string.**
-   - - **Every nested control structure (forever, repeat, if, if-else, etc.) must also have its own `end` placed at the correct depth, ensuring proper closure of each block. The placement of `end` is critical for differentiating script meaning (e.g., Case 1 vs Case 2 nesting).**
+   - **Every nested control structure (forever, repeat, if, if-else, etc.) must also have its own `end` placed at the correct depth, ensuring proper closure of each block. The placement of `end` is critical for differentiating script meaning (e.g., Case 1 vs Case 2 nesting).**
    
 4. **Logic content**:
    - Build clear flow for mechanics (movement, jumping, flying, scoring, collisions).