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Add centralized errorFormatter to convert various error types into readable messages, and apply it across edge functions. Replace String(error) usage with formatEdgeError, update relevant imports, fix a throw to use toError, and enhance logger to log formatted errors. Includes new errorFormatter.ts and widespread updates to 18+ edge functions plus logger integration.

supabase/functions/create-novu-subscriber/index.ts

@@ -1,6 +1,7 @@
 import { serve } from "https://deno.land/std@0.190.0/http/server.ts";
 import { Novu } from "npm:@novu/api@1.6.0";
 import { edgeLogger } from '../_shared/logger.ts';
+import { formatEdgeError } from '../_shared/errorFormatter.ts';
 
 const corsHeaders = {
   'Access-Control-Allow-Origin': '*',
@@ -218,7 +219,7 @@ serve(async (req) => {
     } catch (topicError: unknown) {
       // Non-blocking - log error but don't fail the request
       edgeLogger.error('Failed to add subscriber to users topic', { 
-        error: topicError instanceof Error ? topicError.message : String(topicError),
+        error: formatEdgeError(topicError),
         subscriberId, 
         requestId: tracking.requestId 
       });
@@ -238,7 +239,7 @@ serve(async (req) => {
   } catch (error: unknown) {
     const duration = endRequest(tracking);
     edgeLogger.error('Error creating Novu subscriber', { 
-      error: error instanceof Error ? error.message : String(error),
+      error: formatEdgeError(error),
       requestId: tracking.requestId, 
       duration 
     });