chore: upgrade to React 19 and use images.remotePatterns

Fixes Next.js 16 deprecation warnings for React 18 and images.domains.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

package-lock.json

@@ -9,8 +9,8 @@
       "version": "0.1.0",
       "dependencies": {
         "next": "^16.4.3",
-        "react": "^18.2.0",
-        "react-dom": "^18.2.0",
+        "react": "^19.3.1",
+        "react-dom": "^19.3.1",
         "sass": "^1.32.12"
       },
       "devDependencies": {
@@ -1018,22 +1018,6 @@
         "node": ">=0.12.0"
       }
     },
-    "node_modules/js-tokens": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
-      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
-    },
-    "node_modules/loose-envify": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
-      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
-      "dependencies": {
-        "js-tokens": "^3.0.0 || ^4.0.0"
-      },
-      "bin": {
-        "loose-envify": "cli.js"
-      }
-    },
     "node_modules/nanoid": {
       "version": "3.3.20",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.20.tgz",
@@ -1214,26 +1198,24 @@
       "dev": true
     },
     "node_modules/react": {
-      "version": "18.2.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.2.0.tgz",
-      "integrity": "sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
+      "version": "19.3.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.3.1.tgz",
+      "integrity": "sha512-QNhWdt7nrgVWWQG58QuGsAR3jv3Hbe4mb4vz7w2csnHavciZJgda1CPNaldF6eVxv90ud3jUXpKlHL69gO38yw==",
+      "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
       }
     },
     "node_modules/react-dom": {
-      "version": "18.2.0",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.2.0.tgz",
-      "integrity": "sha512-6IMTriUmvsjHUjNtEDudZfuDQUoWXVxKHhlEGSk81n4YFS+r/Kl99wXiwlVXtPBtJenozv2P+hxDsw9eA7Xo6g==",
+      "version": "19.3.1",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.3.1.tgz",
+      "integrity": "sha512-Y0bARz53lhEC1NMCASs0/j+faB/zqt3R8hpvg1e8+61ZVJ4UL0UdC4cBbXfZMcIuhrfgeILTLe+ZeBCavQPtKQ==",
+      "license": "MIT",
       "dependencies": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.0"
+        "scheduler": "^0.28.0"
       },
       "peerDependencies": {
-        "react": "^18.2.0"
+        "react": "^19.3.1"
       }
     },
     "node_modules/readdirp": {
@@ -1264,12 +1246,10 @@
       }
     },
     "node_modules/scheduler": {
-      "version": "0.23.0",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.0.tgz",
-      "integrity": "sha512-CtuThmgHNg7zIZWAXi3AsyIzA3n4xx7aNyjwC2VJldO2LMVDhFK+63xGqq6CsJH4rTAt6/M+N4GhZiDYPx9eUw==",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "0.28.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.28.0.tgz",
+      "integrity": "sha512-juorfCmIkIw8tT+p5BXSm6PJjQF/ycEYmKyzURCIt/RaZIhL+PulbQ9Yu2z1HdOJDdqDTlxA1+xKBmHXJsczAw==",
+      "license": "MIT"
     },
     "node_modules/semver": {
       "version": "7.8.5",