feat: email+password auth with db-backed sessions

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

package-lock.json

@@ -17,7 +17,7 @@
         "zod": "^4.6.5"
       },
       "devDependencies": {
-        "@types/node": "^20",
+        "@types/node": "^24.13.6",
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "eslint": "^9",
@@ -1319,11 +1319,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.43",
+      "version": "24.13.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.6.tgz",
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       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.18.0"
       }
     },
     "node_modules/@types/react": {
@@ -5419,7 +5421,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
       "dev": true,
       "license": "MIT"
     },