Untrack runtime data files from git

catalog-cache.json and item-overrides.json are written at runtime by the
admin panel — they should not be in version control.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -5,8 +5,9 @@ node_modules/
 .next/
 out/
 
-# Runtime data (persisted config — keep data/ but ignore any secrets)
-# data/ is intentionally tracked (hours.json, overrides, etc.)
+# Runtime data — cache and item overrides change at runtime, don't track them
+data/catalog-cache.json
+data/item-overrides.json
 
 # Environment variables — never commit these
 .env

data/item-overrides.json

@@ -1,46 +0,0 @@
-{
-  "PMCN5EKJ7BFR7SGQ3THNDCST": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "colorMax": 4,
-    "chromeSurchargePerColor": 500,
-    "categoryOverride": "graduation",
-    "categoryLabelOverride": "Graduation"
-  },
-  "BKKWWP2F7GNYSNM2CQF22HFS": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "colorMax": 2,
-    "chromeSurchargePerColor": 25
-  },
-  "GDWTO7IIB5F6WFRYPVOIQCLM": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "colorMax": 10,
-    "chromeSurchargePerColor": 25
-  },
-  "Z3P76LDJLFGJK6IF55DKM5KB": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "chromeSurchargePerColor": 25
-  },
-  "5WHYHPFM23LABMAEM4V5A6HS": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "categoryOverride": "graduation",
-    "categoryLabelOverride": "Graduation"
-  },
-  "QRPT3VBPGKT4XZWUT6N2HPNL": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "categoryOverride": "birthday",
-    "categoryLabelOverride": "Birthday"
-  },
-  "46WOMDVNJXX4TUBBJT2ZGQSM": {
-    "hidden": false,
-    "hiddenModifierIds": [],
-    "colorMax": 6,
-    "chromeSurchargePerColor": 300,
-    "quantityUnit": "ft"
-  }
-}