Miscs fixes

correction.py

@@ -184,7 +184,7 @@ def tprint(*args, **kwargs):
             thread_logs[tid] = []
         thread_logs[tid].append(msg)
 
-    Optional: Keep printing to console but prefix with thread name
+    # Optional: Keep printing to console but prefix with thread name
     print(f"[{tid}] {msg}", **kwargs)
 
 def flush_thread_log(tid=None):
@@ -192,7 +192,7 @@ def flush_thread_log(tid=None):
     tid = tid or threading.current_thread().name
     with log_lock:
         if thread_logs.get(tid):
-            with open("correction_log", "a", encoding="utf-8") as f:
+            with open(Path(INPUT_DIR) / "correction_log", "a", encoding="utf-8") as f:
                 f.write(f"--- Task Log [{tid}] ---\n")
                 f.write("\n".join(thread_logs[tid]) + "\n\n")
             thread_logs[tid].clear()
@@ -313,7 +313,7 @@ def call_gemini_with_retries(model_id, contents, config,
 
             # Immediately fallback to Flash without waiting if it's a Pro quota error
             if is_quota_error and model_id == MODEL_ID_pro and fallback_model_id:
-                tprint(f"\tGemini Pro quota hit ({e}). Falling back to Flash permanently...")
+                tprint(f"\tGemini Pro quota hit ({e}). \n\n\tFalling back to Flash permanently...")
                 model_id = fallback_model_id
                 pro_quota_exhausted = True
                 continue # Retry immediately with Flash
@@ -591,7 +591,7 @@ def process_single_task(task_tuple):
                 yming, ymaxg, width_r = d_data[pid]
 
                 pdf_path = Path(INPUT_DIR) / f"Copie{pid}" / f"{label}.pdf"
-                if !can_spawn_tasks and res["error"] == "additional-answer":
+                if (not can_spawn_tasks) and res["error"] == "additional-answer":
                     tprint("\tSwallowing an additional-answer from a subsequent task.")
                     res["error"]= ""
                 if res["error"] != "":
@@ -602,7 +602,7 @@ def process_single_task(task_tuple):
 
                 needs_correction = []
                 for (i,f) in enumerate(res["feedback"]):
-                    b = f["box_2d"]
+                    b = f.get("box_2d")
                     if b:
                         ymin, xmin, ymax, xmax = b
                         ymin = ymin * total_height // 1000