fix: align ActivityType enum with database schema values

- ActivityType enum now uses 'hunt', 'mine', 'craft' to match database CHECK constraint
- Setup wizard activity_combo uses correct database values
- Fixes CHECK constraint failed error when creating projects

ui/main_window.py

@@ -41,9 +41,9 @@ class SessionState(Enum):
 
 class ActivityType(Enum):
     """Activity type enumeration."""
-    HUNTING = ("hunting", "🎯 Hunting", "#4caf50")
-    MINING = ("mining", "⛏️ Mining", "#ff9800")
-    CRAFTING = ("crafting", "⚒️ Crafting", "#2196f3")
+    HUNTING = ("hunt", "🎯 Hunting", "#4caf50")
+    MINING = ("mine", "⛏️ Mining", "#ff9800")
+    CRAFTING = ("craft", "⚒️ Crafting", "#2196f3")
     
     def __init__(self, value, display_name, color):
         self._value_ = value

ui/setup_wizard.py

@@ -262,9 +262,9 @@ class ActivityTypePage(QWizardPage):
         # Activity type selection
         form_layout = QFormLayout()
         self.activity_combo = QComboBox()
-        self.activity_combo.addItem("🎯 Hunting", "hunting")
-        self.activity_combo.addItem("⛏️ Mining", "mining")
-        self.activity_combo.addItem("⚒️ Crafting", "crafting")
+        self.activity_combo.addItem("🎯 Hunting", "hunt")
+        self.activity_combo.addItem("⛏️ Mining", "mine")
+        self.activity_combo.addItem("⚒️ Crafting", "craft")
         form_layout.addRow("Default Activity:", self.activity_combo)
         layout.addLayout(form_layout)