feat(agent): add learn action flow and grounding guards

core/grounding/dialog_handler.py

@@ -248,8 +248,10 @@ class DialogHandler:
 
         try:
             import easyocr
+            from core.llm.ocr_extractor import easyocr_gpu_enabled
+            gpu = easyocr_gpu_enabled(default=False)
             self._easyocr_reader = easyocr.Reader(
-                ['fr', 'en'], gpu=True, verbose=False
+                ['fr', 'en'], gpu=gpu, verbose=False
             )
             return self._easyocr_reader
         except ImportError: