diff --git a/.gitignore b/.gitignore
index 37d7e73..1ba5555 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
 .env
+config.json
diff --git a/bun.lock b/bun.lock
index 5c0f914..e5be403 100644
--- a/bun.lock
+++ b/bun.lock
@@ -22,6 +22,7 @@
         "@sveltejs/kit": "^2.16.0",
         "@sveltejs/vite-plugin-svelte": "^5.0.0",
         "@tailwindcss/vite": "^4.0.0",
+        "@types/bun": "^1.2.18",
         "@types/node-telegram-bot-api": "^0.64.9",
         "svelte": "^5.0.0",
         "svelte-check": "^4.0.0",
@@ -212,6 +213,8 @@
 
     "@tailwindcss/vite": ["@tailwindcss/vite@4.1.11", "", { "dependencies": { "@tailwindcss/node": "4.1.11", "@tailwindcss/oxide": "4.1.11", "tailwindcss": "4.1.11" }, "peerDependencies": { "vite": "^5.2.0 || ^6 || ^7" } }, "sha512-RHYhrR3hku0MJFRV+fN2gNbDNEh3dwKvY8XJvTxCSXeMOsCRSr+uKvDWQcbizrHgjML6ZmTE5OwMrl5wKcujCw=="],
 
+    "@types/bun": ["@types/bun@1.2.18", "", { "dependencies": { "bun-types": "1.2.18" } }, "sha512-Xf6RaWVheyemaThV0kUfaAUvCNokFr+bH8Jxp+tTZfx7dAPA8z9ePnP9S9+Vspzuxxx9JRAXhnyccRj3GyCMdQ=="],
+
     "@types/caseless": ["@types/caseless@0.12.5", "", {}, "sha512-hWtVTC2q7hc7xZ/RLbxapMvDMgUnDvKvMOpKal4DrMyfGBUfB1oKaZlIRr6mJL+If3bAP6sV/QneGzF6tJjZDg=="],
 
     "@types/cookie": ["@types/cookie@0.6.0", "", {}, "sha512-4Kh9a6B2bQciAhf7FSuMRRkUWecJgJu9nPnx3yzpsfXX/c50REIqpHY4C82bXP90qrLtXtkDxTZosYO3UpOwlA=="],
@@ -224,6 +227,8 @@
 
     "@types/node-telegram-bot-api": ["@types/node-telegram-bot-api@0.64.9", "", { "dependencies": { "@types/node": "*", "@types/request": "*" } }, "sha512-AL7jLCJV+4KXurbhVFdtzkAahhOmS4GfIIO3D/oig2TJC1E00z0whXbqgsTzoyvEcEReuWhwfVbhNUHyp4CskQ=="],
 
+    "@types/react": ["@types/react@19.1.8", "", { "dependencies": { "csstype": "^3.0.2" } }, "sha512-AwAfQ2Wa5bCx9WP8nZL2uMZWod7J7/JSplxbTmBQ5ms6QpqNYm672H0Vu9ZVKVngQ+ii4R/byguVEUZQyeg44g=="],
+
     "@types/request": ["@types/request@2.48.12", "", { "dependencies": { "@types/caseless": "*", "@types/node": "*", "@types/tough-cookie": "*", "form-data": "^2.5.0" } }, "sha512-G3sY+NpsA9jnwm0ixhAFQSJ3Q9JkpLZpJbI3GMv0mIAT0y3mRabYeINzal5WOChIiaTEGQYlHOKgkaM9EisWHw=="],
 
     "@types/resolve": ["@types/resolve@1.20.2", "", {}, "sha512-60BCwRFOZCQhDncwQdxxeOEEkbc5dIMccYLwbxsS4TUNeVECQ/pBJ0j09mrHOl/JJvpRPGwO9SvE4nR2Nb/a4Q=="],
@@ -266,6 +271,8 @@
 
     "bluebird": ["bluebird@3.7.2", "", {}, "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="],
 
+    "bun-types": ["bun-types@1.2.18", "", { "dependencies": { "@types/node": "*" }, "peerDependencies": { "@types/react": "^19" } }, "sha512-04+Eha5NP7Z0A9YgDAzMk5PHR16ZuLVa83b26kH5+cp1qZW4F6FmAURngE7INf4tKOvCE69vYvDEwoNl1tGiWw=="],
+
     "call-bind": ["call-bind@1.0.8", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.0", "es-define-property": "^1.0.0", "get-intrinsic": "^1.2.4", "set-function-length": "^1.2.2" } }, "sha512-oKlSFMcMwpUg2ednkhQ454wfWiU/ul3CkJe/PEHcTKuiX6RpbehUiFMXu13HalGZxfUwCQzZG747YXBn1im9ww=="],
 
     "call-bind-apply-helpers": ["call-bind-apply-helpers@1.0.2", "", { "dependencies": { "es-errors": "^1.3.0", "function-bind": "^1.1.2" } }, "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ=="],
@@ -292,6 +299,8 @@
 
     "core-util-is": ["core-util-is@1.0.3", "", {}, "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="],
 
+    "csstype": ["csstype@3.1.3", "", {}, "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw=="],
+
     "dashdash": ["dashdash@1.14.1", "", { "dependencies": { "assert-plus": "^1.0.0" } }, "sha512-jRFi8UDGo6j+odZiEpjazZaWqEal3w/basFjQHQEwVtZJGDpxbH1MeYluwCS8Xq5wmLJooDlMgvVarmWfGM44g=="],
 
     "data-view-buffer": ["data-view-buffer@1.0.2", "", { "dependencies": { "call-bound": "^1.0.3", "es-errors": "^1.3.0", "is-data-view": "^1.0.2" } }, "sha512-EmKO5V3OLXh1rtK2wgXRansaK1/mtVdTUEiEI0W8RkvgT05kfxaH29PliLnpLP73yYO6142Q72QNa8Wx/A5CqQ=="],
diff --git a/package.json b/package.json
index 5f1b6df..f3559b6 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
 		"@sveltejs/kit": "^2.16.0",
 		"@sveltejs/vite-plugin-svelte": "^5.0.0",
 		"@tailwindcss/vite": "^4.0.0",
+		"@types/bun": "^1.2.18",
 		"@types/node-telegram-bot-api": "^0.64.9",
 		"svelte": "^5.0.0",
 		"svelte-check": "^4.0.0",
diff --git a/src/config/index.ts b/src/config/index.ts
index 93b8aa1..4221b81 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,9 +1,11 @@
-export type Config = {
-	description: string;
+import z from "zod";
 
-	// Map: Telegram Username -> User information for AI context.
-	whitelist: Record<string, string | null>;
-};
+export const configValidator = z.object({
+	description: z.string(),
+	whitelist: z.record(z.string(), z.string().nullable()),
+});
+
+export type Config = z.infer<typeof configValidator>;
 
 export const testConfig: Config = {
 	description: `
diff --git a/src/index.ts b/src/index.ts
index b7711fa..e10c121 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,12 @@
-import { testConfig } from "./config";
+import { configValidator } from "./config";
 import { setupTelegram } from "./telegram";
 
+const configFile = Bun.file("config.json");
+const rawConfig = await configFile.json();
+
+const validatedConfig = configValidator.parse(rawConfig);
+
 setupTelegram({
 	bossChatId: "1502730007",
-	config: testConfig,
+	config: validatedConfig,
 });