feat: prevent downloading empty config

src/componets/FileChooser.tsx

@@ -60,6 +60,8 @@ export function FileChooser({ onSelected, config }: FileChooserProps) {
     URL.revokeObjectURL(url);
   }
 
+  const hasConfig = !!config && !config.isEmpty();
+
   return (
     <div className="bg-white rounded-xl shadow-md p-4 border border-slate-200">
       <div className="flex items-center gap-4 flex-wrap">
@@ -89,8 +91,8 @@ export function FileChooser({ onSelected, config }: FileChooserProps) {
             onClick={handleDownload}
             icon={Download}
             size="sm"
-            disabled={!config}
-            title="Download full config template"
+            disabled={!hasConfig}
+            title={hasConfig ? 'Download full config template' : 'Load or create a config first'}
           >
             Download
           </Button>

src/models/Config.tsx

@@ -171,4 +171,22 @@ export class Config {
     cloned.template = this.template;
     return cloned;
   }
+
+  /**
+   * Checks if config is empty (no environments or only DEFAULT with no params and empty template)
+   */
+  public isEmpty(): boolean {
+    if (this.envs.length === 0) {
+      return true;
+    }
+
+    // Check if only DEFAULT exists with no params
+    if (this.envs.length === 1 && this.envs[0].name === 'DEFAULT') {
+      const hasParams = this.envs[0].params.length > 0;
+      const hasTemplate = this.template.content.trim() && this.template.content !== '{}';
+      return !hasParams && !hasTemplate;
+    }
+
+    return false;
+  }
 }

test-results/.last-run.json

@@ -1,4 +1,13 @@
 {
-  "status": "passed",
-  "failedTests": []
+  "status": "failed",
+  "failedTests": [
+    "2a84b67ca6571daf27b7-7e9801b0b833c50af541",
+    "2a84b67ca6571daf27b7-17ce5649ea02e0d09692",
+    "2a84b67ca6571daf27b7-46f1d47e52a9de8bb54e",
+    "2a84b67ca6571daf27b7-5ac3b387f0f8104531f1",
+    "2a84b67ca6571daf27b7-61b44892e9e54397b980",
+    "2a84b67ca6571daf27b7-e38411b679b6dd8a5f2c",
+    "2a84b67ca6571daf27b7-ca92b197b6f7ecc9f092",
+    "2a84b67ca6571daf27b7-0c2a356d8582be760d5f"
+  ]
 }