fix: wire gateway-target CLI flags and default source to existing-endpoint

src/cli/commands/add/command.tsx

@@ -120,6 +120,9 @@ async function handleAddGatewayTargetCLI(options: AddGatewayTargetOptions): Prom
   const result = await handleAddGatewayTarget({
     name: options.name!,
     description: options.description,
+    type: options.type,
+    source: options.source as 'existing-endpoint' | 'create-new' | undefined,
+    endpoint: options.endpoint,
     language: options.language! as 'Python' | 'TypeScript',
     gateway: options.gateway,
     host: options.host,

src/cli/commands/add/validate.ts

@@ -205,8 +205,8 @@ export async function validateAddGatewayTargetOptions(options: AddGatewayTargetO
     return { valid: false, error: 'Invalid type. Valid options: mcpServer, lambda' };
   }
 
-  if (options.source && options.source !== 'existing-endpoint' && options.source !== 'create-new') {
-    return { valid: false, error: 'Invalid source. Valid options: existing-endpoint, create-new' };
+  if (options.source && options.source !== 'existing-endpoint') {
+    return { valid: false, error: "Only 'existing-endpoint' source is currently supported" };
   }
 
   // Gateway is required — a gateway target must be attached to a gateway
@@ -233,38 +233,10 @@ export async function validateAddGatewayTargetOptions(options: AddGatewayTargetO
     };
   }
 
-  if (options.source === 'existing-endpoint') {
-    if (options.host) {
-      return { valid: false, error: '--host is not applicable for existing endpoint targets' };
-    }
-    if (!options.endpoint) {
-      return { valid: false, error: '--endpoint is required when source is existing-endpoint' };
-    }
-
-    try {
-      const url = new URL(options.endpoint);
-      if (url.protocol !== 'http:' && url.protocol !== 'https:') {
-        return { valid: false, error: 'Endpoint must use http:// or https:// protocol' };
-      }
-    } catch {
-      return { valid: false, error: 'Endpoint must be a valid URL (e.g. https://example.com/mcp)' };
-    }
+  // Default to existing-endpoint (only supported source for now)
+  options.source ??= 'existing-endpoint';
 
-    // Populate defaults for fields skipped by external endpoint flow
-    options.language ??= 'Other';
-
-    return { valid: true };
-  }
-
-  if (!options.language) {
-    return { valid: false, error: '--language is required' };
-  }
-
-  if (options.language !== 'Python' && options.language !== 'TypeScript' && options.language !== 'Other') {
-    return { valid: false, error: 'Invalid language. Valid options: Python, TypeScript, Other' };
-  }
-
-  // Validate outbound auth configuration
+  // Validate outbound auth configuration (applies to all source types)
   if (options.outboundAuthType && options.outboundAuthType !== 'NONE') {
     const hasInlineOAuth = !!(options.oauthClientId ?? options.oauthClientSecret ?? options.oauthDiscoveryUrl);
 
@@ -310,6 +282,37 @@ export async function validateAddGatewayTargetOptions(options: AddGatewayTargetO
     }
   }
 
+  if (options.source === 'existing-endpoint') {
+    if (options.host) {
+      return { valid: false, error: '--host is not applicable for existing endpoint targets' };
+    }
+    if (!options.endpoint) {
+      return { valid: false, error: '--endpoint is required when source is existing-endpoint' };
+    }
+
+    try {
+      const url = new URL(options.endpoint);
+      if (url.protocol !== 'http:' && url.protocol !== 'https:') {
+        return { valid: false, error: 'Endpoint must use http:// or https:// protocol' };
+      }
+    } catch {
+      return { valid: false, error: 'Endpoint must be a valid URL (e.g. https://example.com/mcp)' };
+    }
+
+    // Populate defaults for fields skipped by external endpoint flow
+    options.language ??= 'Other';
+
+    return { valid: true };
+  }
+
+  if (!options.language) {
+    return { valid: false, error: '--language is required' };
+  }
+
+  if (options.language !== 'Python' && options.language !== 'TypeScript' && options.language !== 'Other') {
+    return { valid: false, error: 'Invalid language. Valid options: Python, TypeScript, Other' };
+  }
+
   return { valid: true };
 }