fix: correct API attribute names in selectors

- weapon_selector: use ammo_burn (not ammo), range_val (not range)
- armor_selector: use id (not set_id)
- healing_selector: use get_all_healing_tools/get_all_healing_chips
- Add safe null handling for all API values

ui/armor_selector.py

@@ -131,7 +131,7 @@ class ArmorSelectorDialog(QDialog):
             item.setData(Qt.ItemDataRole.UserRole, armor)
             
             # Tooltip with protection info
-            tooltip_parts = [f"Set ID: {armor.set_id}"]
+            tooltip_parts = [f"Set ID: {armor.id}"]
             if hasattr(armor, 'defense') and armor.defense:
                 tooltip_parts.append(f"Defense: {armor.defense}")
             tooltip_parts.append(f"Est. Decay: {decay_pec} PEC")
@@ -197,7 +197,7 @@ class ArmorSelectorDialog(QDialog):
         
         return {
             'name': self.selected_armor.name,
-            'api_id': getattr(self.selected_armor, 'set_id', None),
+            'api_id': getattr(self.selected_armor, 'id', None),
             'decay_pec': decay_pec,
             'protection_summary': str(getattr(self.selected_armor, 'defense', 'Unknown')),
         }

ui/healing_selector.py

@@ -107,8 +107,8 @@ class HealingSelectorDialog(QDialog):
             nexus = get_nexus_api()
             
             # Get both medical tools and chips
-            tools = nexus.get_all_medical_tools()
-            chips = nexus.get_all_medical_chips()
+            tools = nexus.get_all_healing_tools()
+            chips = nexus.get_all_healing_chips()
             
             self._healing_tools = tools + chips
             

ui/weapon_selector.py

@@ -113,7 +113,7 @@ class WeaponSelectorDialog(QDialog):
                 try:
                     # Validate that decay and ammo are valid numbers
                     decay_val = w.decay if w.decay is not None else 0
-                    ammo_val = w.ammo if w.ammo is not None else 0
+                    ammo_val = w.ammo_burn if w.ammo_burn is not None else 0
                     # Try to convert to Decimal to validate
                     Decimal(str(decay_val))
                     Decimal(str(ammo_val))
@@ -138,7 +138,7 @@ class WeaponSelectorDialog(QDialog):
             try:
                 # Get values with safe defaults
                 decay_raw = weapon.decay if weapon.decay is not None else 0
-                ammo_raw = weapon.ammo if weapon.ammo is not None else 0
+                ammo_raw = weapon.ammo_burn if weapon.ammo_burn is not None else 0
                 
                 # Calculate cost per shot
                 decay_pec = Decimal(str(decay_raw))
@@ -153,7 +153,7 @@ class WeaponSelectorDialog(QDialog):
                     f"Damage: {weapon.damage}\n"
                     f"Decay: {decay_raw} PEC\n"
                     f"Ammo: {ammo_raw}\n"
-                    f"Range: {weapon.range}\n"
+                    f"Range: {weapon.range_val}\n"
                     f"DPP: {weapon.dpp:.2f}" if weapon.dpp else "DPP: -"
                 )
                 item.setToolTip(tooltip)
@@ -184,7 +184,7 @@ class WeaponSelectorDialog(QDialog):
         
         # Get values with safe defaults
         decay_raw = weapon.decay if weapon.decay is not None else 0
-        ammo_raw = weapon.ammo if weapon.ammo is not None else 0
+        ammo_raw = weapon.ammo_burn if weapon.ammo_burn is not None else 0
         
         # Calculate cost per shot
         decay_pec = Decimal(str(decay_raw))