fix: layout improvements

lib/config.ts

@@ -1,31 +1,50 @@
+import { z } from "zod"
+
+const envSchema = z.object({
+  BASE_URL: z.string().url().default("http://localhost:7331"),
+  PORT: z.string().default("7331"),
+  SELF_HOSTED_MODE: z.enum(["true", "false"]).default("false"),
+  OPENAI_API_KEY: z.string().optional(),
+  BETTER_AUTH_SECRET: z
+    .string()
+    .min(16, "Auth secret must be at least 16 characters")
+    .default("please-set-your-key-here"),
+  DISABLE_SIGNUP: z.enum(["true", "false"]).default("false"),
+  RESEND_API_KEY: z.string().default("please-set-your-resend-api-key-here"),
+  RESEND_FROM_EMAIL: z.string().default("TaxHacker <user@localhost>"),
+  RESEND_AUDIENCE_ID: z.string().default(""),
+})
+
+const env = envSchema.parse(process.env)
+
 const config = {
   app: {
     title: "TaxHacker",
-    description: "Your personal AI accountant",
+    description: "Your personal AI helper for taxes",
     version: process.env.npm_package_version || "0.0.1",
-    baseURL: process.env.BASE_URL || "http://localhost:" + process.env.PORT,
+    baseURL: env.BASE_URL || `http://localhost:${env.PORT || "7331"}`,
   },
   upload: {
     acceptedMimeTypes: "image/*,.pdf,.doc,.docx,.xls,.xlsx",
   },
   selfHosted: {
-    isEnabled: process.env.SELF_HOSTED_MODE === "true",
+    isEnabled: env.SELF_HOSTED_MODE === "true",
     redirectUrl: "/self-hosted/redirect",
     welcomeUrl: "/self-hosted",
   },
   ai: {
-    openaiApiKey: process.env.OPENAI_API_KEY || "",
+    openaiApiKey: env.OPENAI_API_KEY,
   },
   auth: {
-    secret: process.env.BETTER_AUTH_SECRET || "please-set-secret",
+    secret: env.BETTER_AUTH_SECRET,
     loginUrl: "/enter",
-    disableSignup: process.env.DISABLE_SIGNUP === "true" || process.env.SELF_HOSTED_MODE === "true",
+    disableSignup: env.DISABLE_SIGNUP === "true" || env.SELF_HOSTED_MODE === "true",
   },
   email: {
-    apiKey: process.env.RESEND_API_KEY || "please-set-api-key",
-    from: process.env.RESEND_FROM_EMAIL || "user@localhost",
-    audienceId: process.env.RESEND_AUDIENCE_ID || "",
+    apiKey: env.RESEND_API_KEY,
+    from: env.RESEND_FROM_EMAIL,
+    audienceId: env.RESEND_AUDIENCE_ID,
   },
-}
+} as const
 
 export default config