feat(1627): fix template render by providing length function

Signed-off-by: mmyslblocky <michal.myslinski@blockydevs.com>

Author: mmyslblocky

src/core/errors/network-error.ts

@@ -1,17 +1,15 @@
 import { CliError } from './cli-error';
 
-export const DEFAULT_TEMPLATE = '{{{message}}}';
-
 export class NetworkError extends CliError {
   private static readonly CODE = 'NETWORK_ERROR';
   private static readonly TEMPLATE = `
-  {{{message}}}\n
-  {{#if context.apiMessages}}{{#if (gt (length context.apiMessages) 0)}}
-  Detailed message:\n
-  {{#each context.apiMessages}}  
-  • {{this}}\n{{/each}}
-  {{/if}}{{/if}}
-  `.trim();
+{{message}}
+{{#if context.apiMessages}}{{#if (gt (length context.apiMessages) 0)}}
+Detailed error message:
+{{#each context.apiMessages}}  
+  • {{this}}{{/each}}
+{{/if}}{{/if}}
+`.trim();
 
   constructor(
     message: string,

src/core/services/output/strategies/template-output-strategy.ts

@@ -78,6 +78,13 @@ export class TemplateOutputStrategy implements OutputFormatterStrategy {
       return value + 1;
     });
 
+    // Helper for array/string length
+    Handlebars.registerHelper('length', function (value: unknown) {
+      if (Array.isArray(value)) return value.length;
+      if (typeof value === 'string') return value.length;
+      return 0;
+    });
+
     // Helper for conditional rendering
     Handlebars.registerHelper(
       'if_eq',