diff --git a/components/Button.tsx b/components/Button.tsx
index d7ea6ac..da29868 100644
--- a/components/Button.tsx
+++ b/components/Button.tsx
@@ -28,7 +28,7 @@ export default function Button({
         'transition-colors'
     );
     if (!noDefaultColous) {
-        classes.push('bg-slate-600', 'text-slate-50', 'hover:bg-slate-500');
+        classes.push('bg-slate-600', 'text-slate-50', 'hover:bg-slate-500', 'disabled:bg-slate-900', 'disabled:text-slate-200');
     }
     return <button className={classes.join(' ')} {...props} />;
 }
diff --git a/components/NavBar.tsx b/components/NavBar.tsx
index 70d95f2..9fabd30 100644
--- a/components/NavBar.tsx
+++ b/components/NavBar.tsx
@@ -6,8 +6,6 @@ export default function NavBar() {
     const { data, status } = useSession();
     const router = useRouter();
 
-    console.log(data);
-
     return (
         <nav className='flex flex-row h-12 bg-gray-900 justify-end items-center p-4 gap-1 shadow mb-4'>
             {status === 'loading' && <>...</>}
diff --git a/next-auth.d.ts b/next-auth.d.ts
new file mode 100644
index 0000000..0da78f2
--- /dev/null
+++ b/next-auth.d.ts
@@ -0,0 +1,11 @@
+import NextAuth, { DefaultSession } from "next-auth"
+
+declare module "next-auth" {
+  interface Session {
+    user: {
+      /** The user's internal ID. */
+      id: string;
+    } & DefaultSession["user"]
+  }
+}
+
diff --git a/package.json b/package.json
index f3cace7..ee751b8 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,8 @@
         "@fortawesome/react-fontawesome": "^0.2.0",
         "@next-auth/prisma-adapter": "^1.0.4",
         "@prisma/client": "^4.1.0",
+        "diff": "^5.1.0",
+        "discord.js": "^14.0.3",
         "next": "12.2.2",
         "next-auth": "^4.10.1",
         "react": "18.2.0",
@@ -26,6 +28,7 @@
         "zod": "^3.17.10"
     },
     "devDependencies": {
+        "@types/diff": "^5.0.2",
         "@types/node": "18.0.6",
         "@types/react": "18.0.15",
         "@types/react-dom": "18.0.6",
diff --git a/pages/api/auth/[...nextauth].ts b/pages/api/auth/[...nextauth].ts
index 103d962..3ccdf32 100644
--- a/pages/api/auth/[...nextauth].ts
+++ b/pages/api/auth/[...nextauth].ts
@@ -30,6 +30,12 @@ export const authOptions: NextAuthOptions = {
             params.account['not-before-policy'] = undefined;
             return true;
         },
+        session(params) {
+            if (params.session.user) {
+                params.session.user.id = params.user.id;
+            }
+            return params.session;
+        },
     },
 };
 
diff --git a/pages/api/submit-page-bubbles.ts b/pages/api/submit-page-bubbles.ts
index 9130029..0ff109f 100644
--- a/pages/api/submit-page-bubbles.ts
+++ b/pages/api/submit-page-bubbles.ts
@@ -2,6 +2,7 @@ import { ComicBubble, Prisma } from '@prisma/client';
 import { NextApiRequest, NextApiResponse } from 'next';
 import { unstable_getServerSession } from 'next-auth';
 import { z } from 'zod';
+import { auditPageUpdate } from '../../src/audit';
 import { prisma } from '../../src/db';
 import { authOptions } from './auth/[...nextauth]';
 
@@ -23,6 +24,8 @@ const PageBubblesSchema = z.object({
     pageId: z.number(),
 });
 
+export type PageBubbles = z.infer<typeof PageBubblesSchema>;
+
 export default async function handler(
     req: NextApiRequest,
     res: NextApiResponse
@@ -31,7 +34,7 @@ export default async function handler(
         return res.status(405).json({ error: 'method not allowed' });
 
     const session = await unstable_getServerSession(req, res, authOptions);
-    if (!session)
+    if (!session || !session.user)
         return res.status(401).json({ error: 'authentication required' });
 
     const data = PageBubblesSchema.parse(req.body);
@@ -41,6 +44,9 @@ export default async function handler(
             comicId: data.comicId,
             id: data.pageId,
         },
+        include: {
+            bubbles: true,
+        },
     });
 
     if (!page) return res.status(404).json({ error: 'not found' });
@@ -92,5 +98,22 @@ export default async function handler(
     }
     await prisma.$transaction(ops);
 
+    const after = await prisma.comicPage.update({
+        where: {
+            comicId_id: {
+                comicId: page.comicId,
+                id: page.id,
+            },
+        },
+        data: {
+            lastEditedById: session.user.id,
+        },
+        include: {
+            bubbles: true,
+        }
+    });
+
+    await auditPageUpdate(page, after, data, session.user);
+
     res.status(201).json({});
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3d43f19..2229f12 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -7,11 +7,14 @@ specifiers:
   '@fortawesome/react-fontawesome': ^0.2.0
   '@next-auth/prisma-adapter': ^1.0.4
   '@prisma/client': ^4.1.0
+  '@types/diff': ^5.0.2
   '@types/node': 18.0.6
   '@types/react': 18.0.15
   '@types/react-dom': 18.0.6
   '@typescript-eslint/eslint-plugin': ^5.31.0
   autoprefixer: ^10.4.7
+  diff: ^5.1.0
+  discord.js: ^14.0.3
   eslint: 8.20.0
   eslint-config-next: 12.2.2
   next: 12.2.2
@@ -35,6 +38,8 @@ dependencies:
   '@fortawesome/react-fontawesome': 0.2.0_990294e19fa18431d2a389426fd0d6bc
   '@next-auth/prisma-adapter': 1.0.4_9818e1f55ecb9769742928f823304203
   '@prisma/client': 4.1.0_prisma@4.1.0
+  diff: 5.1.0
+  discord.js: 14.0.3
   next: 12.2.2_react-dom@18.2.0+react@18.2.0
   next-auth: 4.10.1_react-dom@18.2.0+react@18.2.0
   react: 18.2.0
@@ -44,6 +49,7 @@ dependencies:
   zod: 3.17.10
 
 devDependencies:
+  '@types/diff': 5.0.2
   '@types/node': 18.0.6
   '@types/react': 18.0.15
   '@types/react-dom': 18.0.6
@@ -141,6 +147,35 @@ packages:
       '@jridgewell/trace-mapping': 0.3.9
     dev: true
 
+  /@discordjs/builders/1.0.0:
+    resolution: {integrity: sha512-8y91ZfpOHubiGJu5tVyGI9tQCEyHZDTeqUWVcJd0dq7B96xIf84S0L4fwmD1k9zTe1eqEFSk0gc7BpY+FKn7Ww==}
+    engines: {node: '>=16.9.0'}
+    dependencies:
+      '@sapphire/shapeshift': 3.5.1
+      discord-api-types: 0.36.3
+      fast-deep-equal: 3.1.3
+      ts-mixer: 6.0.1
+      tslib: 2.4.0
+    dev: false
+
+  /@discordjs/collection/1.0.0:
+    resolution: {integrity: sha512-nAxDQYE5dNAzEGQ7HU20sujDsG5vLowUKCEqZkKUIlrXERZFTt/60zKUj/g4+AVCGeq+pXC5hivMaNtiC+PY5Q==}
+    engines: {node: '>=16.9.0'}
+    dev: false
+
+  /@discordjs/rest/1.0.0:
+    resolution: {integrity: sha512-uDAvnE0P2a8axMdD4C51EGjvCRQ2HZk2Yxf6vHWZgIqG87D8DGKMPwmquIxrrB07MjV+rwci2ObU+mGhGP+bJg==}
+    engines: {node: '>=16.9.0'}
+    dependencies:
+      '@discordjs/collection': 1.0.0
+      '@sapphire/async-queue': 1.3.2
+      '@sapphire/snowflake': 3.2.2
+      discord-api-types: 0.36.3
+      file-type: 17.1.4
+      tslib: 2.4.0
+      undici: 5.8.0
+    dev: false
+
   /@emotion/babel-plugin/11.9.2:
     resolution: {integrity: sha512-Pr/7HGH6H6yKgnVFNEj2MVlreu3ADqftqjqwUvDy/OJzKFgxKeTQ+eeUf20FOTuHVkDON2iNa25rAXVYtWJCjw==}
     peerDependencies:
@@ -497,12 +532,34 @@ packages:
     resolution: {integrity: sha512-LwzQKA4vzIct1zNZzBmRKI9QuNpLgTQMEjsQLf3BXuGYb3QPTP4Yjf6mkdX+X1mYttZ808QpOwAzZjv28kq7DA==}
     dev: true
 
+  /@sapphire/async-queue/1.3.2:
+    resolution: {integrity: sha512-rUpMLATsoAMnlN3gecAcr9Ecnw1vG7zi5Xr+IX22YzRzi1k9PF9vKzoT8RuEJbiIszjcimu3rveqUnvwDopz8g==}
+    engines: {node: '>=v14.0.0', npm: '>=7.0.0'}
+    dev: false
+
+  /@sapphire/shapeshift/3.5.1:
+    resolution: {integrity: sha512-7JFsW5IglyOIUQI1eE0g6h06D/Far6HqpcowRScgCiLSqTf3hhkPWCWotVTtVycnDCMYIwPeaw6IEPBomKC8pA==}
+    engines: {node: '>=v14.0.0', npm: '>=7.0.0'}
+    dependencies:
+      fast-deep-equal: 3.1.3
+      lodash.uniqwith: 4.5.0
+    dev: false
+
+  /@sapphire/snowflake/3.2.2:
+    resolution: {integrity: sha512-ula2O0kpSZtX9rKXNeQMrHwNd7E4jPDJYUXmEGTFdMRfyfMw+FPyh04oKMjAiDuOi64bYgVkOV3MjK+loImFhQ==}
+    engines: {node: '>=v14.0.0', npm: '>=7.0.0'}
+    dev: false
+
   /@swc/helpers/0.4.2:
     resolution: {integrity: sha512-556Az0VX7WR6UdoTn4htt/l3zPQ7bsQWK+HqdG4swV7beUCxo/BqmvbOpUkTIm/9ih86LIf1qsUnywNL3obGHw==}
     dependencies:
       tslib: 2.4.0
     dev: false
 
+  /@tokenizer/token/0.3.0:
+    resolution: {integrity: sha512-OvjF+z51L3ov0OyAU0duzsYuvO01PH7x4t6DJx+guahgTnBHkhJdG7soQeTSFLWN3efnHyibZ4Z8l2EuWwJN3A==}
+    dev: false
+
   /@tsconfig/node10/1.0.9:
     resolution: {integrity: sha512-jNsYVVxU8v5g43Erja32laIDHXeoNvFEpX33OK4d6hljo3jDhCBDhx5dhCCTMWUojscpAagGiRkBKxpdl9fxqA==}
     dev: true
@@ -519,6 +576,10 @@ packages:
     resolution: {integrity: sha512-yOlFc+7UtL/89t2ZhjPvvB/DeAr3r+Dq58IgzsFkOAvVC6NMJXmCGjbptdXdR9qsX7pKcTL+s87FtYREi2dEEQ==}
     dev: true
 
+  /@types/diff/5.0.2:
+    resolution: {integrity: sha512-uw8eYMIReOwstQ0QKF0sICefSy8cNO/v7gOTiIy9SbwuHyEecJUm7qlgueOO5S1udZ5I/irVydHVwMchgzbKTg==}
+    dev: true
+
   /@types/json-schema/7.0.11:
     resolution: {integrity: sha512-wOuvG1SN4Us4rez+tylwwwCV1psiNVOkJeM3AUWUNWg/jDQY2+HE/444y5gc+jBmRqASOm2Oeh5c1axHobwRKQ==}
     dev: true
@@ -529,7 +590,6 @@ packages:
 
   /@types/node/18.0.6:
     resolution: {integrity: sha512-/xUq6H2aQm261exT6iZTMifUySEt4GR5KX8eYyY+C4MSNPqSh9oNIP7tz2GLKTlFaiBbgZNxffoR3CVRG+cljw==}
-    dev: true
 
   /@types/parse-json/4.0.0:
     resolution: {integrity: sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==}
@@ -560,6 +620,12 @@ packages:
   /@types/scheduler/0.16.2:
     resolution: {integrity: sha512-hppQEBDmlwhFAXKJX2KnWLYu5yMfi91yazPb2l+lbJiwW+wdo1gNeRA+3RgNSO39WYX2euey41KEwnqesU2Jew==}
 
+  /@types/ws/8.5.3:
+    resolution: {integrity: sha512-6YOoWjruKj1uLf3INHH7D3qTXwFfEsg1kf3c0uDdSBJwfa/llkwIjrAGV7j7mVgGNbzTQ3HiHKKDXl6bJPD97w==}
+    dependencies:
+      '@types/node': 18.0.6
+    dev: false
+
   /@typescript-eslint/eslint-plugin/5.31.0_eslint@8.20.0+typescript@4.7.4:
     resolution: {integrity: sha512-VKW4JPHzG5yhYQrQ1AzXgVgX8ZAJEvCz0QI6mLRX4tf7rnFfh5D8SKm0Pq6w5PyNfAWJk6sv313+nEt3ohWMBQ==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
@@ -1126,6 +1192,11 @@ packages:
     engines: {node: '>=0.3.1'}
     dev: true
 
+  /diff/5.1.0:
+    resolution: {integrity: sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==}
+    engines: {node: '>=0.3.1'}
+    dev: false
+
   /dir-glob/3.0.1:
     resolution: {integrity: sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==}
     engines: {node: '>=8'}
@@ -1133,6 +1204,30 @@ packages:
       path-type: 4.0.0
     dev: true
 
+  /discord-api-types/0.36.3:
+    resolution: {integrity: sha512-bz/NDyG0KBo/tY14vSkrwQ/n3HKPf87a0WFW/1M9+tXYK+vp5Z5EksawfCWo2zkAc6o7CClc0eff1Pjrqznlwg==}
+    dev: false
+
+  /discord.js/14.0.3:
+    resolution: {integrity: sha512-wH/VQl4CqN8/+dcXEtYis1iurqxGlDpEe0O4CqH5FGqZGIjVpTdtK0STXXx7bVNX8MT/0GvLZLkmO/5gLDWZVg==}
+    engines: {node: '>=16.9.0'}
+    dependencies:
+      '@discordjs/builders': 1.0.0
+      '@discordjs/collection': 1.0.0
+      '@discordjs/rest': 1.0.0
+      '@sapphire/snowflake': 3.2.2
+      '@types/ws': 8.5.3
+      discord-api-types: 0.36.3
+      fast-deep-equal: 3.1.3
+      lodash.snakecase: 4.1.1
+      tslib: 2.4.0
+      undici: 5.8.0
+      ws: 8.8.1
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+    dev: false
+
   /dlv/1.1.3:
     resolution: {integrity: sha512-+HlytyjlPKnIG8XuRG8WvmBP8xs8P71y+SKKS6ZXWoEgLuePxtDoUEiH7WkdePWrQ5JBpE6aoVqfZfJUQkjXwA==}
     dev: true
@@ -1483,7 +1578,6 @@ packages:
 
   /fast-deep-equal/3.1.3:
     resolution: {integrity: sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==}
-    dev: true
 
   /fast-glob/3.2.11:
     resolution: {integrity: sha512-xrO3+1bxSo3ZVHAnqzyuewYT6aMFHRAd4Kcs92MAonjwQZLsK9d0SF1IyQ3k5PoirxTW0Oe/RqFgMQ6TcNE5Ew==}
@@ -1522,6 +1616,15 @@ packages:
     engines: {node: '>=8'}
     dev: false
 
+  /file-type/17.1.4:
+    resolution: {integrity: sha512-3w/rJUUPBj6CYhVER3D5JCKwYJJiC36uj5dP+LnyubHI6H6FJo1TeWVCEA09YLVoZqV3/mLP26j9+Pz1GjAyjQ==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      readable-web-to-node-stream: 3.0.2
+      strtok3: 7.0.0-alpha.9
+      token-types: 5.0.0-alpha.2
+    dev: false
+
   /fill-range/7.0.1:
     resolution: {integrity: sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==}
     engines: {node: '>=8'}
@@ -1706,6 +1809,10 @@ packages:
     resolution: {integrity: sha512-slx8Q6oywCCSfKgPgL0sEsXtPVnSbTLWpyiDcu6msHOyKOLari1TD1qocXVCft80umnkk3/Qqh3lwoFt8T/BPQ==}
     dev: false
 
+  /ieee754/1.2.1:
+    resolution: {integrity: sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==}
+    dev: false
+
   /ignore/5.2.0:
     resolution: {integrity: sha512-CmxgYGiEPCLhfLnpPp1MoRmifwEIOgjcHXxOBjv7mY96c+eWScsOP9c112ZyLdWHi0FxHjI+4uVhKYp/gcdRmQ==}
     engines: {node: '>= 4'}
@@ -1954,6 +2061,14 @@ packages:
     resolution: {integrity: sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==}
     dev: true
 
+  /lodash.snakecase/4.1.1:
+    resolution: {integrity: sha512-QZ1d4xoBHYUeuouhEq3lk3Uq7ldgyFXGBhg04+oRLnIz8o9T65Eh+8YdroUwn846zchkA9yDsDl5CVVaV2nqYw==}
+    dev: false
+
+  /lodash.uniqwith/4.5.0:
+    resolution: {integrity: sha512-7lYL8bLopMoy4CTICbxygAUq6CdRJ36vFc80DucPueUee+d5NBRxz3FdT9Pes/HEx5mPoT9jwnsEJWz1N7uq7Q==}
+    dev: false
+
   /loose-envify/1.4.0:
     resolution: {integrity: sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==}
     hasBin: true
@@ -2276,6 +2391,11 @@ packages:
     resolution: {integrity: sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==}
     engines: {node: '>=8'}
 
+  /peek-readable/5.0.0-alpha.5:
+    resolution: {integrity: sha512-pJohF/tDwV3ntnT5+EkUo4E700q/j/OCDuPxtM+5/kFGjyOai/sK4/We4Cy1MB2OiTQliWU5DxPvYIKQAdPqAA==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dev: false
+
   /picocolors/1.0.0:
     resolution: {integrity: sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==}
 
@@ -2491,6 +2611,22 @@ packages:
       pify: 2.3.0
     dev: true
 
+  /readable-stream/3.6.0:
+    resolution: {integrity: sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==}
+    engines: {node: '>= 6'}
+    dependencies:
+      inherits: 2.0.4
+      string_decoder: 1.3.0
+      util-deprecate: 1.0.2
+    dev: false
+
+  /readable-web-to-node-stream/3.0.2:
+    resolution: {integrity: sha512-ePeK6cc1EcKLEhJFt/AebMCLL+GgSKhuygrZ/GLaKZYEecIgIECf4UaUuaByiGtzckwR4ain9VzUh95T1exYGw==}
+    engines: {node: '>=8'}
+    dependencies:
+      readable-stream: 3.6.0
+    dev: false
+
   /readdirp/3.6.0:
     resolution: {integrity: sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==}
     engines: {node: '>=8.10.0'}
@@ -2563,6 +2699,10 @@ packages:
     resolution: {integrity: sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==}
     dev: false
 
+  /safe-buffer/5.2.1:
+    resolution: {integrity: sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==}
+    dev: false
+
   /scheduler/0.23.0:
     resolution: {integrity: sha512-CtuThmgHNg7zIZWAXi3AsyIzA3n4xx7aNyjwC2VJldO2LMVDhFK+63xGqq6CsJH4rTAt6/M+N4GhZiDYPx9eUw==}
     dependencies:
@@ -2645,6 +2785,12 @@ packages:
       es-abstract: 1.20.1
     dev: true
 
+  /string_decoder/1.3.0:
+    resolution: {integrity: sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==}
+    dependencies:
+      safe-buffer: 5.2.1
+    dev: false
+
   /strip-ansi/6.0.1:
     resolution: {integrity: sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==}
     engines: {node: '>=8'}
@@ -2662,6 +2808,14 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /strtok3/7.0.0-alpha.9:
+    resolution: {integrity: sha512-G8WxjBFjTZ77toVElv1i7k3jCXNkBB14FVaZ/6LIOka/WGo4La5XHLrU7neFVLdKbXESZf4BejVKZu5maOmocA==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      '@tokenizer/token': 0.3.0
+      peek-readable: 5.0.0-alpha.5
+    dev: false
+
   /styled-jsx/5.0.2_react@18.2.0:
     resolution: {integrity: sha512-LqPQrbBh3egD57NBcHET4qcgshPks+yblyhPlH2GY8oaDgKs8SK4C3dBh3oSJjgzJ3G5t1SYEZGHkP+QEpX9EQ==}
     engines: {node: '>= 12.0.0'}
@@ -2772,10 +2926,22 @@ packages:
       is-number: 7.0.0
     dev: true
 
+  /token-types/5.0.0-alpha.2:
+    resolution: {integrity: sha512-EsG9UxAW4M6VATrEEjhPFTKEUi1OiJqTUMIZOGBN49fGxYjZB36k0p7to3HZSmWRoHm1QfZgrg3e02fpqAt5fQ==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+    dependencies:
+      '@tokenizer/token': 0.3.0
+      ieee754: 1.2.1
+    dev: false
+
   /tr46/0.0.3:
     resolution: {integrity: sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==}
     dev: false
 
+  /ts-mixer/6.0.1:
+    resolution: {integrity: sha512-hvE+ZYXuINrx6Ei6D6hz+PTim0Uf++dYbK9FFifLNwQj+RwKquhQpn868yZsCtJYiclZF1u8l6WZxxKi+vv7Rg==}
+    dev: false
+
   /ts-node/10.9.1_98dbbc3ccd2e3c16131a870f4ea5cdb2:
     resolution: {integrity: sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==}
     hasBin: true
@@ -2861,6 +3027,11 @@ packages:
       which-boxed-primitive: 1.0.2
     dev: true
 
+  /undici/5.8.0:
+    resolution: {integrity: sha512-1F7Vtcez5w/LwH2G2tGnFIihuWUlc58YidwLiCv+jR2Z50x0tNXpRRw7eOIJ+GvqCqIkg9SB7NWAJ/T9TLfv8Q==}
+    engines: {node: '>=12.18'}
+    dev: false
+
   /update-browserslist-db/1.0.5_browserslist@4.21.2:
     resolution: {integrity: sha512-dteFFpCyvuDdr9S/ff1ISkKt/9YZxKjI9WlRR99c180GaztJtRa/fn18FdxGVKVsnPY7/a/FDN68mcvUmP4U7Q==}
     hasBin: true
@@ -2888,7 +3059,6 @@ packages:
 
   /util-deprecate/1.0.2:
     resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
-    dev: true
 
   /uuid/8.3.2:
     resolution: {integrity: sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==}
@@ -2940,6 +3110,19 @@ packages:
   /wrappy/1.0.2:
     resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}
 
+  /ws/8.8.1:
+    resolution: {integrity: sha512-bGy2JzvzkPowEJV++hF07hAD6niYSr0JzBNo/J29WsB57A2r7Wlc1UFcTR9IzrPvuNVO4B8LGqF8qcpsVOhJCA==}
+    engines: {node: '>=10.0.0'}
+    peerDependencies:
+      bufferutil: ^4.0.1
+      utf-8-validate: ^5.0.2
+    peerDependenciesMeta:
+      bufferutil:
+        optional: true
+      utf-8-validate:
+        optional: true
+    dev: false
+
   /xtend/4.0.2:
     resolution: {integrity: sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==}
     engines: {node: '>=0.4'}
diff --git a/prisma/migrations/20220726195831_add_last_edited_by_to_comic_page/migration.sql b/prisma/migrations/20220726195831_add_last_edited_by_to_comic_page/migration.sql
new file mode 100644
index 0000000..676e0b4
--- /dev/null
+++ b/prisma/migrations/20220726195831_add_last_edited_by_to_comic_page/migration.sql
@@ -0,0 +1,22 @@
+-- RedefineTables
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_ComicPage" (
+    "id" INTEGER NOT NULL,
+    "comicId" INTEGER NOT NULL,
+    "title" TEXT NOT NULL,
+    "url" TEXT NOT NULL,
+    "imageUrl" TEXT NOT NULL,
+    "width" INTEGER NOT NULL,
+    "height" INTEGER NOT NULL,
+    "lastEditedById" TEXT,
+
+    PRIMARY KEY ("comicId", "id"),
+    CONSTRAINT "ComicPage_comicId_fkey" FOREIGN KEY ("comicId") REFERENCES "Comic" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
+    CONSTRAINT "ComicPage_lastEditedById_fkey" FOREIGN KEY ("lastEditedById") REFERENCES "User" ("id") ON DELETE SET NULL ON UPDATE CASCADE
+);
+INSERT INTO "new_ComicPage" ("comicId", "height", "id", "imageUrl", "title", "url", "width") SELECT "comicId", "height", "id", "imageUrl", "title", "url", "width" FROM "ComicPage";
+DROP TABLE "ComicPage";
+ALTER TABLE "new_ComicPage" RENAME TO "ComicPage";
+CREATE UNIQUE INDEX "ComicPage_comicId_id_key" ON "ComicPage"("comicId", "id");
+PRAGMA foreign_key_check;
+PRAGMA foreign_keys=ON;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 7ad6db9..11d30cb 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -21,40 +21,43 @@ model Comic {
 
 model ComicPage {
   id       Int
-  comic    Comic  @relation(fields: [comicId], references: [id])
+  comic    Comic         @relation(fields: [comicId], references: [id])
   comicId  Int
   title    String
   url      String
   imageUrl String
   width    Int
   height   Int
-  bubbles ComicBubble[]
+  bubbles  ComicBubble[]
+
+  lastEditedBy   User?   @relation(fields: [lastEditedById], references: [id])
+  lastEditedById String?
 
   @@id([comicId, id])
   @@unique([comicId, id])
 }
 
 model ComicCharacter {
-  id        Int    @id @default(autoincrement())
-  comic     Comic  @relation(fields: [comicId], references: [id])
+  id        Int           @id @default(autoincrement())
+  comic     Comic         @relation(fields: [comicId], references: [id])
   comicId   Int
   shortName String
-  longName  String @unique
-  bubbles ComicBubble[]
+  longName  String        @unique
+  bubbles   ComicBubble[]
 }
 
 model ComicBubble {
-  comicId   Int
-  page ComicPage @relation(fields: [comicId, pageId], references: [comicId, id])
-  pageId Int
-  idx Int
+  comicId Int
+  page    ComicPage @relation(fields: [comicId, pageId], references: [comicId, id])
+  pageId  Int
+  idx     Int
 
-  character ComicCharacter @relation(fields: [characterId], references: [id])
+  character   ComicCharacter @relation(fields: [characterId], references: [id])
   characterId Int
 
-  areaX Int
-  areaY Int
-  areaWidth Int
+  areaX      Int
+  areaY      Int
+  areaWidth  Int
   areaHeight Int
 
   content String
@@ -94,11 +97,13 @@ model Session {
 }
 
 model User {
-  id            String    @id @default(cuid())
+  id            String      @id @default(cuid())
   name          String?
-  email         String?   @unique
+  email         String?     @unique
   emailVerified DateTime?
   image         String?
   accounts      Account[]
   sessions      Session[]
+
+  lastEditedPages     ComicPage[]
 }
diff --git a/src/audit.ts b/src/audit.ts
new file mode 100644
index 0000000..8667ef0
--- /dev/null
+++ b/src/audit.ts
@@ -0,0 +1,46 @@
+import { ComicBubble, ComicPage } from "@prisma/client";
+import { WebhookClient } from "discord.js";
+import { Session } from "next-auth";
+import { PageBubbles } from "../pages/api/submit-page-bubbles";
+import { createPatch } from 'diff';
+
+type Page = ComicPage & { bubbles: ComicBubble[] };
+
+const DJS_CLIENT = new WebhookClient({
+    url: process.env.AUDIT_WEBHOOK!,
+}, {
+    allowedMentions: {
+        parse: [],
+    },
+})
+
+export async function auditPageUpdate(before: Page, after: Page, update: PageBubbles, user: Session['user']) {
+    const beforeS = JSON.stringify(before, null, 2);
+    const afterS = JSON.stringify(after, null, 2);
+    if (beforeS === afterS) {
+        return;
+    }
+
+    const patch = createPatch(`/comic/${update.comicId}/${update.pageId}`, beforeS, afterS);
+    await DJS_CLIENT.send({
+        embeds: [
+            {
+                title: 'Page update',
+                description: '```patch\n' + patch + '\n```',
+                fields: [
+                    {
+                        name: 'Comic',
+                        value: update.comicId.toString(),
+                    },
+                    {
+                        name: 'Page',
+                        value: update.pageId.toString(),
+                    },
+                ],
+                footer: {
+                    text: `${user.name} (${user.id})`,
+                },
+            }
+        ]
+    })
+}