Fix Tailwind CSS v4→v3 downgrade

.pi-lens/cache/jscpd.json

@@ -2,6 +2,6 @@
   "success": true,
   "clones": [],
   "duplicatedLines": 0,
-  "totalLines": 683,
+  "totalLines": 684,
   "percentage": 0
 }

.pi-lens/cache/jscpd.meta.json

@@ -1,3 +1,3 @@
 {
-  "timestamp": "2026-04-18T19:23:14.429Z"
+  "timestamp": "2026-04-18T19:51:40.225Z"
 }

.pi-lens/cache/knip.meta.json

@@ -1,3 +1,3 @@
 {
-  "timestamp": "2026-04-18T19:23:15.706Z"
+  "timestamp": "2026-04-18T19:51:41.484Z"
 }

.pi-lens/metrics-history.json

@@ -100,7 +100,32 @@
         }
       ],
       "trend": "stable"
+    },
+    "vite.config.ts": {
+      "latest": {
+        "commit": "4a3c1a1",
+        "timestamp": "2026-04-18T19:49:15.907Z",
+        "mi": 67.8,
+        "cognitive": 0,
+        "nesting": 0,
+        "lines": 9,
+        "maxCyclomatic": 1,
+        "entropy": 3.61
+      },
+      "history": [
+        {
+          "commit": "4a3c1a1",
+          "timestamp": "2026-04-18T19:49:15.907Z",
+          "mi": 67.8,
+          "cognitive": 0,
+          "nesting": 0,
+          "lines": 9,
+          "maxCyclomatic": 1,
+          "entropy": 3.61
+        }
+      ],
+      "trend": "stable"
     }
   },
-  "capturedAt": "2026-04-18T19:22:22.936Z"
+  "capturedAt": "2026-04-18T19:49:23.236Z"
 }

.pi-lens/turn-state.json

@@ -2,5 +2,5 @@
   "files": {},
   "turnCycles": 0,
   "maxCycles": 3,
-  "lastUpdated": "2026-04-18T19:23:15.706Z"
+  "lastUpdated": "2026-04-18T19:51:41.484Z"
 }