From 27f9f20fe30d86ac87d3dedae73e05b40207b9ea Mon Sep 17 00:00:00 2001
From: Rafi-Microsoft <v-rafmd@microsoft.com>
Date: Mon, 16 Jun 2025 18:13:14 +0530
Subject: [PATCH 1/2] Disable send button when input is empty or contains only
 spaces

---
 App/frontend-app/src/components/chat/chatRoom.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/App/frontend-app/src/components/chat/chatRoom.tsx b/App/frontend-app/src/components/chat/chatRoom.tsx
index 737229c2..da1ee7a7 100644
--- a/App/frontend-app/src/components/chat/chatRoom.tsx
+++ b/App/frontend-app/src/components/chat/chatRoom.tsx
@@ -583,6 +583,7 @@ export function ChatRoom({ searchResultDocuments, selectedDocuments, chatWithDoc
                     placeholder={t('components.chat.input-placeholder')}
                     disabled={isLoading}
                     onSubmit={handleSend}
+                    disableSend = {textAreaValue.trim().length === 0 || isLoading}
                     contentAfter={undefined}
                 />
             </div>

From 9b125684ab330989e0569f13a976ccef30e41384 Mon Sep 17 00:00:00 2001
From: Prasanjeet-Microsoft <v-singhprasa@microsoft.com>
Date: Tue, 17 Jun 2025 00:25:24 +0530
Subject: [PATCH 2/2] fixed - reset chat input character count on "New Topic"
 button click

---
 App/frontend-app/src/components/chat/chatRoom.tsx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/App/frontend-app/src/components/chat/chatRoom.tsx b/App/frontend-app/src/components/chat/chatRoom.tsx
index 737229c2..a0922db3 100644
--- a/App/frontend-app/src/components/chat/chatRoom.tsx
+++ b/App/frontend-app/src/components/chat/chatRoom.tsx
@@ -73,6 +73,7 @@ export function ChatRoom({ searchResultDocuments, selectedDocuments, chatWithDoc
     });
     const [referencesForFeedbackForm, setReferencesForFeedbackForm] = useState<Reference[]>([]);
     const [textAreaValue, setTextAreaValue] = useState("");
+    const [textareaKey, setTextareaKey] = useState(0);
     const inputRef = useRef<HTMLTextAreaElement>(null);
     const [allChunkTexts, setAllChunkTexts] = useState<string[]>([]);
 
@@ -568,12 +569,15 @@ export function ChatRoom({ searchResultDocuments, selectedDocuments, chatWithDoc
                         setSelectedDocument([]);
                         setIsLoading(false);
                         setChatSessionId(null);
+                        setTextAreaValue("");
+                        setTextareaKey(prev => prev + 1);
                     }}
                 >
                     {t('components.chat.new-topic')}
                 </Button>
 
                 <Textarea
+                    key={textareaKey}
                     ref={inputRef}
                     value={textAreaValue}
                     className="!ml-4 max-h-48 w-full !max-w-none"