Revert "Implement V2 AI functions and enhance progress handling"

This reverts commit e2f2d79d4c.

backend/igny8_core/ai/engine.py

@@ -82,8 +82,10 @@ class AIEngine:
             ai_core = AICore(account=self.account)
             function_name = fn.get_name()
             
-            # Generate function_id for tracking (ai_{function_name})
-            function_id = f"ai_{function_name}"
+            # Generate function_id for tracking (ai-{function_name}-01)
+            # Normalize underscores to hyphens to match frontend tracking IDs
+            function_id_base = function_name.replace('_', '-')
+            function_id = f"ai-{function_id_base}-01-desktop"
             
             # Get model config from settings (Stage 4 requirement)
             # Pass account to read model from IntegrationSettings
@@ -109,18 +111,6 @@ class AIEngine:
                         exc_info=True,
                     )
             
-            # For V2 functions: Validate model exists - no default, only execute if model is present
-            if function_name.endswith('_v2'):
-                if not model_from_integration or not model:
-                    error_msg = "AI model not configured. Please configure OpenAI model in Integration settings."
-                    self.console_tracker.error('ModelError', error_msg)
-                    self.step_tracker.add_request_step("PREP", "error", error_msg)
-                    self.tracker.error(error_msg, meta=self.step_tracker.get_meta())
-                    return {
-                        'success': False,
-                        'error': error_msg
-                    }
-            
             # Track configured model information so it shows in the progress modal
             self.step_tracker.add_request_step(
                 "PREP",