Remove file upload functionality and related components

The `FileUploadStore` and all file upload features were removed, simplifying the chat interface. This change eliminates unused code, including file handling logic, attachment management, and UI elements, streamlining the application.

src/components/chat/ChatInputTextArea.tsx

@@ -1,15 +1,6 @@
-import React, { useEffect, useRef, useState } from "react";
-import { observer } from "mobx-react-lite";
-import {
-  Alert,
-  AlertIcon,
-  Box,
-  chakra,
-  HStack,
-  InputGroup,
-} from "@chakra-ui/react";
-import fileUploadStore from "../../stores/FileUploadStore";
-import { UploadedItem } from "./Attachments";
+import React, {useEffect, useRef, useState} from "react";
+import {observer} from "mobx-react-lite";
+import {Box, chakra, InputGroup,} from "@chakra-ui/react";
 import AutoResize from "react-textarea-autosize";
 
 const AutoResizeTextArea = chakra(AutoResize);
@@ -24,24 +15,6 @@ interface InputTextAreaProps {
 
 const InputTextArea: React.FC<InputTextAreaProps> = observer(
   ({ inputRef, value, onChange, onKeyDown, isLoading }) => {
-    const fileInputRef = useRef<HTMLInputElement>(null);
-
-    const handleAttachmentClick = () => {
-      if (fileInputRef.current) {
-        fileInputRef.current.click();
-      }
-    };
-
-    const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-      const file = event.target.files?.[0];
-      if (file) {
-        fileUploadStore.uploadFile(file, "/api/documents");
-      }
-    };
-
-    const handleRemoveUploadedItem = (url: string) => {
-      fileUploadStore.removeUploadedFile(url);
-    };
 
     const [heightConstraint, setHeightConstraint] = useState<
       number | undefined
@@ -61,26 +34,6 @@ const InputTextArea: React.FC<InputTextAreaProps> = observer(
         display="flex"
         flexDirection="column"
       >
-        {/* Attachments Section */}
-        {fileUploadStore.uploadResults.length > 0 && (
-          <HStack
-            spacing={2}
-            mb={2}
-            overflowX="auto"
-            css={{ "&::-webkit-scrollbar": { display: "none" } }}
-            // Ensure attachments wrap if needed
-            flexWrap="wrap"
-          >
-            {fileUploadStore.uploadResults.map((result) => (
-              <UploadedItem
-                key={result.url}
-                url={result.url}
-                name={result.name}
-                onRemove={() => handleRemoveUploadedItem(result.url)}
-              />
-            ))}
-          </HStack>
-        )}
 
         {/* Input Area */}
         <InputGroup position="relative">
@@ -97,7 +50,7 @@ const InputTextArea: React.FC<InputTextAreaProps> = observer(
             pl="17px"
             bg="rgba(255, 255, 255, 0.15)"
             color="text.primary"
-            borderRadius="20px" // Set a consistent border radius
+            borderRadius="20px"
             border="none"
             placeholder="Free my mind..."
             _placeholder={{ color: "gray.400" }}
@@ -115,32 +68,7 @@ const InputTextArea: React.FC<InputTextAreaProps> = observer(
               transition: "height 0.2s ease-in-out",
             }}
           />
-          {/*<InputRightElement*/}
-          {/*    position="absolute"*/}
-          {/*    right={0}*/}
-          {/*    top={0}*/}
-          {/*    bottom={0}*/}
-          {/*    width="40px"*/}
-          {/*    height="100%"*/}
-          {/*    display="flex"*/}
-          {/*    alignItems="center"*/}
-          {/*    justifyContent="center"*/}
-          {/*>*/}
-          {/*<EnableSearchButton />*/}
-          {/*</InputRightElement>*/}
         </InputGroup>
-        <input
-          type="file"
-          ref={fileInputRef}
-          style={{ display: "none" }}
-          onChange={handleFileChange}
-        />
-        {fileUploadStore.uploadError && (
-          <Alert status="error" mt={2}>
-            <AlertIcon />
-            {fileUploadStore.uploadError}
-          </Alert>
-        )}
       </Box>
     );
   },