Fix build issues for meta imports and WSL filesystem

src/app/(main)/api/auth/signup/route.ts

@@ -7,7 +7,7 @@ import { rateLimit, getClientIdentifier, RateLimits } from '@/lib/rateLimit';
 import { getAuthCookieOptions } from '@/lib/cookieConfig';
 import { signupSchema, validateRequest } from '@/lib/validationSchemas';
 import { sendWelcomeEmail } from '@/lib/email';
-import { sendConversionEvent } from '@/lib/meta';
+import { sendConversionEvent } from '@/lib/metaConversions';
 import {
   ATTRIBUTION_COOKIE_NAME,
   getEmailDomain,

src/app/(main)/api/stripe/webhook/route.ts

@@ -3,7 +3,7 @@ import { headers } from 'next/headers';
 import { stripe } from '@/lib/stripe';
 import { db } from '@/lib/db';
 import Stripe from 'stripe';
-import { sendConversionEvent } from '@/lib/meta';
+import { sendConversionEvent } from '@/lib/metaConversions';
 import { scoreUserLifecycle } from '@/lib/revops-server';
 
 export async function POST(request: NextRequest) {

src/lib/metaConversions.ts

@@ -0,0 +1,68 @@
+import * as crypto from 'crypto';
+
+const BASE_URL = 'https://graph.facebook.com/v21.0';
+const PIXEL_ID = process.env.META_PIXEL_ID;
+const ACCESS_TOKEN = process.env.META_ACCESS_TOKEN;
+
+function hashValue(value: string): string {
+  return crypto.createHash('sha256').update(value.trim().toLowerCase()).digest('hex');
+}
+
+interface UserData {
+  email?: string;
+  ip?: string;
+  userAgent?: string;
+  fbc?: string;
+  fbp?: string;
+}
+
+interface ConversionEvent {
+  eventName: 'CompleteRegistration' | 'Purchase' | 'ViewContent' | 'Lead' | 'InitiateCheckout';
+  eventTime?: number;
+  eventSourceUrl?: string;
+  userData: UserData;
+  customData?: Record<string, unknown>;
+}
+
+export async function sendConversionEvent(event: ConversionEvent): Promise<void> {
+  if (!PIXEL_ID || !ACCESS_TOKEN) {
+    return;
+  }
+
+  const hashedUserData: Record<string, string> = {};
+  if (event.userData.email) hashedUserData.em = hashValue(event.userData.email);
+  if (event.userData.ip) hashedUserData.client_ip_address = event.userData.ip;
+  if (event.userData.userAgent) hashedUserData.client_user_agent = event.userData.userAgent;
+  if (event.userData.fbc) hashedUserData.fbc = event.userData.fbc;
+  if (event.userData.fbp) hashedUserData.fbp = event.userData.fbp;
+
+  const payload = {
+    data: [
+      {
+        event_name: event.eventName,
+        event_time: event.eventTime ?? Math.floor(Date.now() / 1000),
+        event_source_url: event.eventSourceUrl ?? process.env.NEXT_PUBLIC_APP_URL,
+        action_source: 'website',
+        user_data: hashedUserData,
+        custom_data: event.customData ?? {},
+      },
+    ],
+  };
+
+  try {
+    const res = await fetch(`${BASE_URL}/${PIXEL_ID}/events?access_token=${ACCESS_TOKEN}`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(payload),
+    });
+
+    if (!res.ok) {
+      const err = await res.json();
+      console.error('[Meta CAPI] Error:', err);
+    }
+  } catch (error) {
+    console.error('[Meta CAPI] Network error:', error);
+  }
+}
+
+export { hashValue };