Add storage location field to bulk add form

app.py

@@ -59,23 +59,30 @@ def create_app(config_object="config"):
                 except ValueError:
                     return None
 
-            size          = f.get("size", "").strip() or None
-            chemistry     = f.get("chemistry", "").strip() or None
-            capacity_mah  = _int("capacity_mah")
-            purchase_date = f.get("purchase_date", "").strip() or None
+            size             = f.get("size", "").strip() or None
+            chemistry        = f.get("chemistry", "").strip() or None
+            capacity_mah     = _int("capacity_mah")
+            purchase_date    = f.get("purchase_date", "").strip() or None
+            storage_location = f.get("storage_location", "").strip() or None
 
             existing = db.query(func.count(Battery.id)).filter_by(brand=brand).scalar()
             for i in range(count):
                 label = f"{brand} {existing + i + 1:03d}"
                 db.add(Battery(label=label, brand=brand, status="available", notes=notes,
-                               size=size, chemistry=chemistry,
-                               capacity_mah=capacity_mah, purchase_date=purchase_date))
+                               size=size, chemistry=chemistry, capacity_mah=capacity_mah,
+                               purchase_date=purchase_date, storage_location=storage_location))
             db.commit()
             flash(f"Added {count} {brand} batter{'y' if count == 1 else 'ies'}.", "success")
             return redirect(url_for("dashboard"))
 
         brands = [r[0] for r in db.query(Battery.brand).distinct().order_by(Battery.brand).all()]
-        return render_template("battery_add.html", form_count=1, brands=brands)
+        storage_locations = [
+            r[0] for r in db.query(Battery.storage_location)
+            .filter(Battery.storage_location.isnot(None))
+            .distinct().order_by(Battery.storage_location).all()
+        ]
+        return render_template("battery_add.html", form_count=1, brands=brands,
+                               storage_locations=storage_locations)
 
     # ------------------------------------------------------------------ #
     # Battery — detail

templates/battery_add.html

@@ -68,6 +68,20 @@
 
     </div>
 
+    <div class="form-group">
+      <label>Storage Location</label>
+      <select id="storage-select" onchange="metaSelectChanged(this,'storage_location')">
+        <option value="">— none —</option>
+        {% for loc in storage_locations|default([]) %}
+        <option value="{{ loc }}">{{ loc }}</option>
+        {% endfor %}
+        <option value="__new__">➕ New location…</option>
+      </select>
+      <input type="text" id="storage_location" name="storage_location" value=""
+             placeholder="e.g. Drawer 2, Toolbox, Shelf A"
+             style="display:none;margin-top:0.4rem;">
+    </div>
+
     <div class="form-group">
       <label for="notes">Notes</label>
       <textarea id="notes" name="notes"