feat(cli): make JetBrains warning more specific (#19687)

packages/cli/src/gemini.tsx

@@ -671,6 +671,10 @@ export async function main() {
     }
 
     let input = config.getQuestion();
+    const useAlternateBuffer = shouldEnterAlternateScreen(
+      isAlternateBufferEnabled(settings),
+      config.getScreenReader(),
+    );
     const rawStartupWarnings = await getStartupWarnings();
     const startupWarnings: StartupWarning[] = [
       ...rawStartupWarnings.map((message) => ({
@@ -678,7 +682,9 @@ export async function main() {
         message,
         priority: WarningPriority.High,
       })),
-      ...(await getUserStartupWarnings(settings.merged)),
+      ...(await getUserStartupWarnings(settings.merged, undefined, {
+        isAlternateBuffer: useAlternateBuffer,
+      })),
     ];
 
     // Handle --resume flag

packages/cli/src/utils/userStartupWarnings.ts

@@ -88,6 +88,7 @@ const WARNING_CHECKS: readonly WarningCheck[] = [
 export async function getUserStartupWarnings(
   settings: Settings,
   workspaceRoot: string = process.cwd(),
+  options?: { isAlternateBuffer?: boolean },
 ): Promise<StartupWarning[]> {
   const results = await Promise.all(
     WARNING_CHECKS.map(async (check) => {
@@ -105,7 +106,11 @@ export async function getUserStartupWarnings(
   const warnings = results.filter((w): w is StartupWarning => w !== null);
 
   if (settings.ui?.showCompatibilityWarnings !== false) {
-    warnings.push(...getCompatibilityWarnings());
+    warnings.push(
+      ...getCompatibilityWarnings({
+        isAlternateBuffer: options?.isAlternateBuffer,
+      }),
+    );
   }
 
   return warnings;