Remove auth/db stack, migrate contact email flow, and update for Next 16

eslint.config.js

@@ -1,7 +1,5 @@
 import { FlatCompat } from "@eslint/eslintrc";
 import tseslint from "typescript-eslint";
-// @ts-ignore -- no types for this plugin
-import drizzle from "eslint-plugin-drizzle";
 
 const compat = new FlatCompat({
   baseDirectory: import.meta.dirname,
@@ -9,14 +7,11 @@ const compat = new FlatCompat({
 
 export default tseslint.config(
   {
-    ignores: [".next"],
+    ignores: [".next", "next-env.d.ts"],
   },
   ...compat.extends("next/core-web-vitals"),
   {
     files: ["**/*.ts", "**/*.tsx"],
-    plugins: {
-      drizzle,
-    },
     extends: [
       ...tseslint.configs.recommended,
       ...tseslint.configs.recommendedTypeChecked,
@@ -38,14 +33,6 @@ export default tseslint.config(
         "error",
         { checksVoidReturn: { attributes: false } },
       ],
-      "drizzle/enforce-delete-with-where": [
-        "error",
-        { drizzleObjectName: ["db", "ctx.db"] },
-      ],
-      "drizzle/enforce-update-with-where": [
-        "error",
-        { drizzleObjectName: ["db", "ctx.db"] },
-      ],
     },
   },
   {