Gemini support

frontend/src/components/OnboardingDialog.tsx

@@ -99,6 +99,7 @@ export function OnboardingDialog({ open, onComplete }: OnboardingDialogProps) {
                 <p className="text-sm text-muted-foreground">
                   {executor.type === 'claude' && 'Claude Code from Anthropic'}
                   {executor.type === 'amp' && 'From Sourcegraph'}
+                  {executor.type === 'gemini' && 'Google Gemini from Bloop'}
                   {executor.type === 'echo' &&
                     'This is just for debugging vibe-kanban itself'}
                 </p>

frontend/src/components/tasks/ExecutionOutputViewer.tsx

@@ -36,12 +36,13 @@ export function ExecutionOutputViewer({
 
   const isAmpExecutor = executor === 'amp';
   const isClaudeExecutor = executor === 'claude';
+  const isGeminiExecutor = executor === 'gemini';
   const hasStdout = !!executionProcess.stdout;
   const hasStderr = !!executionProcess.stderr;
 
-  // Check if stdout looks like JSONL (for Amp or Claude executor)
+  // Check if stdout looks like JSONL (for Amp, Claude, or Gemini executor)
   const { isValidJsonl, jsonlFormat } = useMemo(() => {
-    if ((!isAmpExecutor && !isClaudeExecutor) || !executionProcess.stdout) {
+    if ((!isAmpExecutor && !isClaudeExecutor && !isGeminiExecutor) || !executionProcess.stdout) {
       return { isValidJsonl: false, jsonlFormat: null };
     }
 
@@ -98,7 +99,7 @@ export function ExecutionOutputViewer({
     } catch {
       return { isValidJsonl: false, jsonlFormat: null };
     }
-  }, [isAmpExecutor, isClaudeExecutor, executionProcess.stdout]);
+  }, [isAmpExecutor, isClaudeExecutor, isGeminiExecutor, executionProcess.stdout]);
 
   // Set initial view mode based on JSONL detection
   useEffect(() => {

frontend/src/components/tasks/TaskDetailsToolbar.tsx

@@ -56,6 +56,7 @@ const availableExecutors = [
   { id: 'echo', name: 'Echo' },
   { id: 'claude', name: 'Claude' },
   { id: 'amp', name: 'Amp' },
+  { id: 'gemini', name: 'Gemini' },
 ];
 
 export function TaskDetailsToolbar({