Fix AI result panel visibility and nginx streaming headers.

ResultAI had h-0 collapsing output; add X-Accel-Buffering no, clearer fetch errors, and NGINX.md for gate proxy setup.

Co-authored-by: Cursor <cursoragent@cursor.com>

components/modes/bazi-form.tsx

@@ -163,7 +163,7 @@ export default function BaziForm() {
       )}
 
       {showAi && (
-        <div className="mx-auto h-96 w-full max-w-lg flex-1">
+        <div className="mx-auto w-full max-w-lg pt-2">
           <ResultAI
             completion={completion}
             isLoading={isLoading}

components/modes/combined-form.tsx

@@ -299,7 +299,7 @@ export default function CombinedForm() {
       )}
 
       {showAi && (
-        <div className="mx-auto h-96 w-full max-w-lg flex-1">
+        <div className="mx-auto w-full max-w-lg pt-2">
           <ResultAI
             completion={completion}
             isLoading={isLoading}

components/modes/liuyao-form.tsx

@@ -229,7 +229,7 @@ export default function LiuyaoForm() {
       </div>
 
       {showAi && (
-        <div className="mx-auto h-96 w-full max-w-lg flex-1">
+        <div className="mx-auto w-full max-w-lg pt-2">
           <ResultAI
             completion={completion}
             isLoading={isLoading}