fix: migliora parsing comando /plan create per gestire nomi con spazi

- Aggiunto regex parsing per estrarre virgolette dalla stringa grezza
- Il comando ora funziona correttamente con nomi multi-parola
- Formato supportato: /plan create "Nome Piano" "Task1; Task2; Task3"

main.py

@@ -890,27 +890,40 @@ def process_command(user_input: str) -> bool:
         if not args:
             print("❌ Specifica un sottocomando: create, list, progress, start, complete")
         elif args[0] == 'create':
-            # Handle plan creation with proper parsing
+            # Handle plan creation with special parsing for quoted strings
             # Format: /plan create "Plan Name" "Task 1; Task 2; Task 3"
-            # Or: /plan create PlanName Task1;Task2;Task3
-            if len(args) < 3:
-                print("❌ Usage: /plan create <name> <task1;task2;...>")
-            else:
-                # Find the first semicolon to split name from tasks
-                remaining = ' '.join(args[1:])
-                
-                # Check if there's a semicolon to determine name/tasks split
-                if ';' in remaining:
-                    # Find the first semicolon
-                    semi_idx = remaining.index(';')
-                    name = remaining[:semi_idx].strip()
-                    tasks = remaining[semi_idx+1:].strip()
+            # Or: /plan create PlanName "Task1; Task2; Task3"
+            import re
+            # Get the raw part after "plan create"
+            raw_part = command_line[len("plan create "):]
+            
+            # Find all quoted strings (handles both " and ' quotes)
+            quoted_pattern = r'"([^"]*)"|\'([^\']*)\''
+            matches = re.findall(quoted_pattern, raw_part)
+            
+            if len(matches) >= 2:
+                # Both name and tasks are quoted
+                name = matches[0][0] or matches[0][1]
+                tasks = matches[1][0] or matches[1][1]
+                plan_create(name, tasks)
+            elif len(matches) == 1:
+                # Only one quoted string - it's the tasks, name is the first unquoted word
+                tasks = matches[0][0] or matches[0][1]
+                # Find the name as the first word before the quoted part
+                unquoted_start = raw_part.find('"') if '"' in raw_part else raw_part.find("'")
+                name = raw_part[:unquoted_start].strip()
+                if name and tasks:
                     plan_create(name, tasks)
                 else:
-                    # No semicolon found - use second arg as first task name, rest as description
+                    print("❌ Usage: /plan create <nome> \"<task1; task2; ...>\"")
+            else:
+                # No quotes - use simple split
+                if len(args) >= 3:
                     name = args[1]
                     tasks = ' '.join(args[2:])
                     plan_create(name, tasks)
+                else:
+                    print("❌ Usage: /plan create <nome> \"<task1; task2; ...>\"")
         elif args[0] == 'list':
             plan_list()
         elif args[0] == 'progress' and len(args) > 1: