feat: show family assignment counts in notdienst planning dropdown and support editing unassigned days in published plans

src/lib/mail.ts

@@ -16,6 +16,9 @@ type SendAppEmailResult =
   | { success: false; error: string };
 
 export function getAppEmailConfigError() {
+  if (process.env.NODE_ENV === "development") {
+    return null;
+  }
   if (!process.env.RESEND_API_KEY) {
     return "RESEND_API_KEY ist nicht konfiguriert.";
   }
@@ -35,6 +38,16 @@ export async function sendAppEmail({
   replyTo,
 }: SendAppEmailInput): Promise<SendAppEmailResult> {
   if (!process.env.RESEND_API_KEY) {
+    if (process.env.NODE_ENV === "development") {
+      console.log("\n✉️  [DEV EMAIL SIMULATION]");
+      console.log(`From:    ${from || "not-configured"}`);
+      console.log(`To:      ${Array.isArray(to) ? to.join(", ") : to}`);
+      console.log(`Subject: ${subject}`);
+      console.log("-----------------------------------------");
+      console.log("Email body react element is rendered.");
+      console.log("=========================================\n");
+      return { success: true, id: "dev-simulated-id" };
+    }
     return {
       success: false,
       error: "RESEND_API_KEY ist nicht konfiguriert.",