feat(zones): rename tabs to zones across api, ui, and storage

Made-with: Cursor

tests/models/run_all.py

@@ -10,7 +10,7 @@ from test_preset import test_preset
 from test_profile import test_profile
 from test_group import test_group
 from test_sequence import test_sequence
-from test_tab import test_tab
+from test_zone import test_zone
 from test_palette import test_palette
 from test_device import test_device
 
@@ -26,7 +26,7 @@ def run_all_tests():
         ("Profile", test_profile),
         ("Group", test_group),
         ("Sequence", test_sequence),
-        ("Tab", test_tab),
+        ("Zone", test_zone),
         ("Palette", test_palette),
         ("Device", test_device),
     ]