chore: chat with pdf ui (#5811)

* chore: chat with pdf ui

* chore: only enable local ai on macos

* chore: add todo

* chore: adjust UI

* chore: clippy

frontend/appflowy_flutter/lib/plugins/ai_chat/application/chat_ai_message_bloc.dart

@@ -17,7 +17,7 @@ class ChatAIMessageBloc extends Bloc<ChatAIMessageEvent, ChatAIMessageState> {
     required this.questionId,
   }) : super(ChatAIMessageState.initial(message)) {
     if (state.stream != null) {
-      _subscription = state.stream!.listen(
+      state.stream!.listen(
         onData: (text) {
           if (!isClosed) {
             add(ChatAIMessageEvent.updateText(text));
@@ -108,13 +108,6 @@ class ChatAIMessageBloc extends Bloc<ChatAIMessageEvent, ChatAIMessageState> {
     );
   }
 
-  @override
-  Future<void> close() {
-    _subscription?.cancel();
-    return super.close();
-  }
-
-  StreamSubscription<String>? _subscription;
   final String chatId;
   final Int64? questionId;
 }

frontend/appflowy_flutter/lib/plugins/ai_chat/application/chat_bloc.dart

@@ -586,7 +586,7 @@ class AnswerStream {
     _port.close();
   }
 
-  StreamSubscription<String> listen({
+  void listen({
     void Function(String text)? onData,
     void Function()? onStart,
     void Function()? onEnd,
@@ -602,7 +602,5 @@ class AnswerStream {
     if (_onStart != null) {
       _onStart!();
     }
-
-    return _subscription;
   }
 }

frontend/appflowy_flutter/lib/plugins/ai_chat/application/chat_file_bloc.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:appflowy/workspace/application/settings/ai/local_llm_listener.dart';
 import 'package:appflowy_backend/dispatch/dispatch.dart';
 import 'package:appflowy_backend/log.dart';
@@ -13,6 +15,11 @@ class ChatFileBloc extends Bloc<ChatFileEvent, ChatFileState> {
   })  : listener = LocalLLMListener(),
         super(const ChatFileState()) {
     listener.start(
+      stateCallback: (pluginState) {
+        if (!isClosed) {
+          add(ChatFileEvent.updatePluginState(pluginState));
+        }
+      },
       chatStateCallback: (chatState) {
         if (!isClosed) {
           add(ChatFileEvent.updateChatState(chatState));
@@ -38,18 +45,55 @@ class ChatFileBloc extends Bloc<ChatFileEvent, ChatFileState> {
               },
             );
           },
-          newFile: (String filePath) {
+          newFile: (String filePath, String fileName) async {
+            emit(
+              state.copyWith(
+                indexFileIndicator: IndexFileIndicator.indexing(fileName),
+              ),
+            );
             final payload = ChatFilePB(filePath: filePath, chatId: chatId);
-            ChatEventChatWithFile(payload).send();
+            unawaited(
+              ChatEventChatWithFile(payload).send().then((result) {
+                if (!isClosed) {
+                  result.fold((_) {
+                    add(
+                      ChatFileEvent.updateIndexFile(
+                        IndexFileIndicator.finish(fileName),
+                      ),
+                    );
+                  }, (err) {
+                    add(
+                      ChatFileEvent.updateIndexFile(
+                        IndexFileIndicator.error(err.msg),
+                      ),
+                    );
+                  });
+                }
+              }),
+            );
           },
           updateChatState: (LocalAIChatPB chatState) {
             // Only user enable chat with file and the plugin is already running
             final supportChatWithFile = chatState.fileEnabled &&
                 chatState.pluginState.state == RunningStatePB.Running;
             emit(
-              state.copyWith(supportChatWithFile: supportChatWithFile),
+              state.copyWith(
+                supportChatWithFile: supportChatWithFile,
+                chatState: chatState,
+              ),
             );
           },
+          updateIndexFile: (IndexFileIndicator indicator) {
+            emit(
+              state.copyWith(indexFileIndicator: indicator),
+            );
+          },
+          updatePluginState: (LocalAIPluginStatePB chatState) {
+            final fileEnabled = state.chatState?.fileEnabled ?? false;
+            final supportChatWithFile =
+                fileEnabled && chatState.state == RunningStatePB.Running;
+            emit(state.copyWith(supportChatWithFile: supportChatWithFile));
+          },
         );
       },
     );
@@ -67,20 +111,29 @@ class ChatFileBloc extends Bloc<ChatFileEvent, ChatFileState> {
 @freezed
 class ChatFileEvent with _$ChatFileEvent {
   const factory ChatFileEvent.initial() = Initial;
-  const factory ChatFileEvent.newFile(String filePath) = _NewFile;
+  const factory ChatFileEvent.newFile(String filePath, String fileName) =
+      _NewFile;
   const factory ChatFileEvent.updateChatState(LocalAIChatPB chatState) =
       _UpdateChatState;
+  const factory ChatFileEvent.updatePluginState(
+    LocalAIPluginStatePB chatState,
+  ) = _UpdatePluginState;
+  const factory ChatFileEvent.updateIndexFile(IndexFileIndicator indicator) =
+      _UpdateIndexFile;
 }
 
 @freezed
 class ChatFileState with _$ChatFileState {
   const factory ChatFileState({
     @Default(false) bool supportChatWithFile,
+    IndexFileIndicator? indexFileIndicator,
+    LocalAIChatPB? chatState,
   }) = _ChatFileState;
 }
 
 @freezed
-class LocalAIChatFileIndicator with _$LocalAIChatFileIndicator {
+class IndexFileIndicator with _$IndexFileIndicator {
-  const factory LocalAIChatFileIndicator.ready(bool isEnabled) = _Ready;
+  const factory IndexFileIndicator.finish(String fileName) = _Finish;
-  const factory LocalAIChatFileIndicator.loading() = _Loading;
+  const factory IndexFileIndicator.indexing(String fileName) = _Indexing;
+  const factory IndexFileIndicator.error(String error) = _Error;
 }

frontend/appflowy_flutter/lib/plugins/ai_chat/chat_page.dart

@@ -1,5 +1,7 @@
 import 'package:appflowy/plugins/ai_chat/application/chat_file_bloc.dart';
 import 'package:appflowy/plugins/ai_chat/application/chat_input_bloc.dart';
+import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/shared_widget.dart';
+import 'package:appflowy/workspace/presentation/widgets/dialogs.dart';
 import 'package:desktop_drop/desktop_drop.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -71,7 +73,8 @@ class AIChatPage extends StatelessWidget {
       return MultiBlocProvider(
         providers: [
           BlocProvider(
-            create: (_) => ChatFileBloc(chatId: view.id.toString()),
+            create: (_) => ChatFileBloc(chatId: view.id.toString())
+              ..add(const ChatFileEvent.initial()),
           ),
           BlocProvider(
             create: (_) => ChatBloc(
@@ -81,28 +84,40 @@ class AIChatPage extends StatelessWidget {
           ),
           BlocProvider(create: (_) => ChatInputBloc()),
         ],
-        child: BlocBuilder<ChatFileBloc, ChatFileState>(
+        child: BlocListener<ChatFileBloc, ChatFileState>(
-          builder: (context, state) {
+          listenWhen: (previous, current) =>
-            Widget child = _ChatContentPage(
+              previous.indexFileIndicator != current.indexFileIndicator,
-              view: view,
+          listener: (context, state) {
-              userProfile: userProfile,
+            _handleIndexIndicator(state.indexFileIndicator, context);
-            );
+          },
-
+          child: BlocBuilder<ChatFileBloc, ChatFileState>(
-            // If the chat supports file upload, wrap the chat content with a drop target
+            builder: (context, state) {
-            if (state.supportChatWithFile) {
+              return DropTarget(
-              child = DropTarget(
                 onDragDone: (DropDoneDetails detail) async {
-                  for (final file in detail.files) {
+                  if (state.supportChatWithFile) {
-                    context
+                    await showConfirmDialog(
-                        .read<ChatFileBloc>()
+                      context: context,
-                        .add(ChatFileEvent.newFile(file.path));
+                      style: ConfirmPopupStyle.cancelAndOk,
+                      title: LocaleKeys.chat_chatWithFilePrompt.tr(),
+                      confirmLabel: LocaleKeys.button_confirm.tr(),
+                      onConfirm: () {
+                        for (final file in detail.files) {
+                          context
+                              .read<ChatFileBloc>()
+                              .add(ChatFileEvent.newFile(file.path, file.name));
+                        }
+                      },
+                      description: '',
+                    );
                   }
                 },
-                child: child,
+                child: _ChatContentPage(
+                  view: view,
+                  userProfile: userProfile,
+                ),
               );
-            }
+            },
-            return child;
+          ),
-          },
         ),
       );
     }
@@ -114,6 +129,35 @@ class AIChatPage extends StatelessWidget {
       ),
     );
   }
+
+  void _handleIndexIndicator(
+    IndexFileIndicator? indicator,
+    BuildContext context,
+  ) {
+    if (indicator != null) {
+      indicator.when(
+        finish: (fileName) {
+          showSnackBarMessage(
+            context,
+            LocaleKeys.chat_indexFileSuccess.tr(args: [fileName]),
+          );
+        },
+        indexing: (fileName) {
+          showSnackBarMessage(
+            context,
+            LocaleKeys.chat_indexingFile.tr(args: [fileName]),
+            duration: const Duration(seconds: 2),
+          );
+        },
+        error: (err) {
+          showSnackBarMessage(
+            context,
+            err,
+          );
+        },
+      );
+    }
+  }
 }
 
 class _ChatContentPage extends StatefulWidget {

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/chat_input.dart

@@ -67,8 +67,7 @@ class _ChatInputState extends State<ChatInput> {
   void initState() {
     super.initState();
 
-    _textController =
+    _textController = InputTextFieldController();
-        widget.options.textEditingController ?? InputTextFieldController();
     _handleSendButtonVisibilityModeChange();
   }
 
@@ -85,9 +84,7 @@ class _ChatInputState extends State<ChatInput> {
       final partialText = types.PartialText(text: trimmedText);
       widget.onSendPressed(partialText);
 
-      if (widget.options.inputClearMode == InputClearMode.always) {
+      _textController.clear();
-        _textController.clear();
-      }
     }
   }
 
@@ -106,7 +103,6 @@ class _ChatInputState extends State<ChatInput> {
     const inputPadding = EdgeInsets.all(6);
 
     return Focus(
-      autofocus: !widget.options.autofocus,
       child: Padding(
         padding: inputPadding,
         child: Material(
@@ -148,15 +144,11 @@ class _ChatInputState extends State<ChatInput> {
         style: TextStyle(
           color: AFThemeExtension.of(context).textColor,
         ),
-        autocorrect: widget.options.autocorrect,
+        keyboardType: TextInputType.multiline,
-        autofocus: widget.options.autofocus,
-        enableSuggestions: widget.options.enableSuggestions,
-        keyboardType: widget.options.keyboardType,
         textCapitalization: TextCapitalization.sentences,
         maxLines: 10,
         minLines: 1,
-        onChanged: widget.options.onTextChanged,
+        onChanged: (_) {},
-        onTap: widget.options.onTextFieldTap,
       ),
     );
   }
@@ -207,53 +199,6 @@ class _ChatInputState extends State<ChatInput> {
       );
 }
 
-@immutable
-class InputOptions {
-  const InputOptions({
-    this.inputClearMode = InputClearMode.always,
-    this.keyboardType = TextInputType.multiline,
-    this.onTextChanged,
-    this.onTextFieldTap,
-    this.textEditingController,
-    this.autocorrect = true,
-    this.autofocus = false,
-    this.enableSuggestions = true,
-    this.enabled = true,
-  });
-
-  /// Controls the [ChatInput] clear behavior. Defaults to [InputClearMode.always].
-  final InputClearMode inputClearMode;
-
-  /// Controls the [ChatInput] keyboard type. Defaults to [TextInputType.multiline].
-  final TextInputType keyboardType;
-
-  /// Will be called whenever the text inside [TextField] changes.
-  final void Function(String)? onTextChanged;
-
-  /// Will be called on [TextField] tap.
-  final VoidCallback? onTextFieldTap;
-
-  /// Custom [TextEditingController]. If not provided, defaults to the
-  /// [InputTextFieldController], which extends [TextEditingController] and has
-  /// additional fatures like markdown support. If you want to keep additional
-  /// features but still need some methods from the default [TextEditingController],
-  /// you can create your own [InputTextFieldController] (imported from this lib)
-  /// and pass it here.
-  final TextEditingController? textEditingController;
-
-  /// Controls the [TextInput] autocorrect behavior. Defaults to [true].
-  final bool autocorrect;
-
-  /// Whether [TextInput] should have focus. Defaults to [false].
-  final bool autofocus;
-
-  /// Controls the [TextInput] enableSuggestions behavior. Defaults to [true].
-  final bool enableSuggestions;
-
-  /// Controls the [TextInput] enabled behavior. Defaults to [true].
-  final bool enabled;
-}
-
 final isMobile = defaultTargetPlatform == TargetPlatform.android ||
     defaultTargetPlatform == TargetPlatform.iOS;
 

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/chat_related_question.dart

@@ -6,7 +6,6 @@ import 'package:flowy_infra_ui/style_widget/text.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flutter/material.dart';
 
-
 class RelatedQuestionList extends StatelessWidget {
   const RelatedQuestionList({
     required this.chatId,
@@ -97,6 +96,7 @@ class _RelatedQuestionItemState extends State<RelatedQuestionItem> {
           style: TextStyle(
             color: _isHovered ? Theme.of(context).colorScheme.primary : null,
             fontSize: 14,
+            height: 1.5,
           ),
         ),
         onTap: () {

frontend/appflowy_flutter/lib/shared/feature_flags.dart

@@ -4,6 +4,7 @@ import 'package:appflowy/core/config/kv.dart';
 import 'package:appflowy/core/config/kv_keys.dart';
 import 'package:appflowy/startup/startup.dart';
 import 'package:collection/collection.dart';
+import 'package:flutter/foundation.dart';
 
 typedef FeatureFlagMap = Map<FeatureFlag, bool>;
 
@@ -91,7 +92,7 @@ enum FeatureFlag {
 
   bool get isOn {
     if ([
-      // if (kDebugMode) FeatureFlag.planBilling,
+      if (kDebugMode) FeatureFlag.planBilling,
       // release this feature in version 0.6.1
       FeatureFlag.spaceDesign,
       // release this feature in version 0.5.9

frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/setting_ai_view/settings_ai_view.dart

@@ -7,6 +7,7 @@ import 'package:appflowy/workspace/presentation/settings/pages/setting_ai_view/m
 import 'package:appflowy/workspace/presentation/settings/widgets/setting_appflowy_cloud.dart';
 import 'package:flowy_infra/theme_extension.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import 'package:appflowy/generated/locale_keys.g.dart';
@@ -128,7 +129,7 @@ class _LocalAIOnBoarding extends StatelessWidget {
             child: BlocBuilder<LocalAIOnBoardingBloc, LocalAIOnBoardingState>(
               builder: (context, state) {
                 // Show the local AI settings if the user has purchased the AI Local plan
-                if (state.isPurchaseAILocal) {
+                if (kDebugMode || state.isPurchaseAILocal) {
                   return const LocalAISetting();
                 } else {
                   // Show the upgrade to AI Local plan button if the user has not purchased the AI Local plan

frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_billing_view.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 
 import 'package:appflowy/util/int64_extension.dart';
@@ -209,22 +211,26 @@ class _SettingsBillingViewState extends State<SettingsBillingView> {
                         ),
                       ),
                       const SettingsDashedDivider(),
-                      _AITile(
+
-                        plan: SubscriptionPlanPB.AiLocal,
+                      // Currently, the AI Local tile is only available on macOS
-                        label: LocaleKeys
+                      // TODO(nathan): enable windows and linux
-                            .settings_billingPage_addons_aiOnDevice_label
+                      if (Platform.isMacOS)
-                            .tr(),
+                        _AITile(
-                        description: LocaleKeys
+                          plan: SubscriptionPlanPB.AiLocal,
-                            .settings_billingPage_addons_aiOnDevice_description,
+                          label: LocaleKeys
-                        activeDescription: LocaleKeys
+                              .settings_billingPage_addons_aiOnDevice_label
-                            .settings_billingPage_addons_aiOnDevice_activeDescription,
+                              .tr(),
-                        canceledDescription: LocaleKeys
+                          description: LocaleKeys
-                            .settings_billingPage_addons_aiOnDevice_canceledDescription,
+                              .settings_billingPage_addons_aiOnDevice_description,
-                        subscriptionInfo:
+                          activeDescription: LocaleKeys
-                            state.subscriptionInfo.addOns.firstWhereOrNull(
+                              .settings_billingPage_addons_aiOnDevice_activeDescription,
-                          (a) => a.type == WorkspaceAddOnPBType.AddOnAiLocal,
+                          canceledDescription: LocaleKeys
+                              .settings_billingPage_addons_aiOnDevice_canceledDescription,
+                          subscriptionInfo:
+                              state.subscriptionInfo.addOns.firstWhereOrNull(
+                            (a) => a.type == WorkspaceAddOnPBType.AddOnAiLocal,
+                          ),
                         ),
-                      ),
                     ],
                   ),
                 ],

frontend/appflowy_flutter/lib/workspace/presentation/settings/pages/settings_plan_view.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 
 import 'package:appflowy/generated/flowy_svgs.g.dart';
@@ -136,38 +138,46 @@ class _SettingsPlanViewState extends State<SettingsPlanView> {
                       ),
                     ),
                     const HSpace(8),
-                    Flexible(
+
-                      child: _AddOnBox(
+                    // Currently, the AI Local tile is only available on macOS
-                        title: LocaleKeys
+                    // TODO(nathan): enable windows and linux
-                            .settings_planPage_planUsage_addons_aiOnDevice_title
+                    if (Platform.isMacOS)
-                            .tr(),
+                      Flexible(
-                        description: LocaleKeys
+                        child: _AddOnBox(
-                            .settings_planPage_planUsage_addons_aiOnDevice_description
+                          title: LocaleKeys
-                            .tr(),
+                              .settings_planPage_planUsage_addons_aiOnDevice_title
-                        price: LocaleKeys
+                              .tr(),
-                            .settings_planPage_planUsage_addons_aiOnDevice_price
+                          description: LocaleKeys
-                            .tr(
+                              .settings_planPage_planUsage_addons_aiOnDevice_description
-                          args: [SubscriptionPlanPB.AiLocal.priceAnnualBilling],
+                              .tr(),
+                          price: LocaleKeys
+                              .settings_planPage_planUsage_addons_aiOnDevice_price
+                              .tr(
+                            args: [
+                              SubscriptionPlanPB.AiLocal.priceAnnualBilling,
+                            ],
+                          ),
+                          priceInfo: LocaleKeys
+                              .settings_planPage_planUsage_addons_aiOnDevice_priceInfo
+                              .tr(),
+                          billingInfo: LocaleKeys
+                              .settings_planPage_planUsage_addons_aiOnDevice_billingInfo
+                              .tr(
+                            args: [
+                              SubscriptionPlanPB.AiLocal.priceMonthBilling,
+                            ],
+                          ),
+                          buttonText: state.subscriptionInfo.hasAIOnDevice
+                              ? LocaleKeys
+                                  .settings_planPage_planUsage_addons_activeLabel
+                                  .tr()
+                              : LocaleKeys
+                                  .settings_planPage_planUsage_addons_addLabel
+                                  .tr(),
+                          isActive: state.subscriptionInfo.hasAIOnDevice,
+                          plan: SubscriptionPlanPB.AiLocal,
                         ),
-                        priceInfo: LocaleKeys
-                            .settings_planPage_planUsage_addons_aiOnDevice_priceInfo
-                            .tr(),
-                        billingInfo: LocaleKeys
-                            .settings_planPage_planUsage_addons_aiOnDevice_billingInfo
-                            .tr(
-                          args: [SubscriptionPlanPB.AiLocal.priceMonthBilling],
-                        ),
-                        buttonText: state.subscriptionInfo.hasAIOnDevice
-                            ? LocaleKeys
-                                .settings_planPage_planUsage_addons_activeLabel
-                                .tr()
-                            : LocaleKeys
-                                .settings_planPage_planUsage_addons_addLabel
-                                .tr(),
-                        isActive: state.subscriptionInfo.hasAIOnDevice,
-                        plan: SubscriptionPlanPB.AiLocal,
                       ),
-                    ),
                   ],
                 ),
               ],

frontend/resources/translations/en.json

@@ -169,7 +169,10 @@
     "question2": "Explain the GTD method",
     "question3": "Why use Rust",
     "question4": "Recipe with what's in my kitchen",
-    "aiMistakePrompt": "AI can make mistakes. Check important info."
+    "aiMistakePrompt": "AI can make mistakes. Check important info.",
+    "chatWithFilePrompt": "Do you want to chat with the file?",
+    "indexFileSuccess": "Indexing file successfully",
+    "indexingFile": "Indexing {}"
   },
   "trash": {
     "text": "Trash",

frontend/rust-lib/flowy-chat/src/event_handler.rs

@@ -12,7 +12,7 @@ use crate::entities::*;
 use crate::local_ai::local_llm_chat::LLMModelInfo;
 use crate::notification::{make_notification, ChatNotification, APPFLOWY_AI_NOTIFICATION_KEY};
 use crate::tools::AITools;
-use flowy_error::{FlowyError, FlowyResult};
+use flowy_error::{ErrorCode, FlowyError, FlowyResult};
 use lib_dispatch::prelude::{data_result_ok, AFPluginData, AFPluginState, DataResult};
 use lib_infra::isolate_stream::IsolateSink;
 
@@ -208,6 +208,25 @@ pub(crate) async fn chat_file_handler(
 ) -> Result<(), FlowyError> {
   let data = data.try_into_inner()?;
   let file_path = PathBuf::from(&data.file_path);
+
+  let allowed_extensions = ["pdf", "md", "txt"];
+  let extension = file_path
+    .extension()
+    .and_then(|ext| ext.to_str())
+    .ok_or_else(|| {
+      FlowyError::new(
+        ErrorCode::UnsupportedFileFormat,
+        "Can't find file extension",
+      )
+    })?;
+
+  if !allowed_extensions.contains(&extension) {
+    return Err(FlowyError::new(
+      ErrorCode::UnsupportedFileFormat,
+      "Only support pdf,md and txt",
+    ));
+  }
+
   let (tx, rx) = oneshot::channel::<Result<(), FlowyError>>();
   tokio::spawn(async move {
     let chat_manager = upgrade_chat_manager(chat_manager)?;

frontend/rust-lib/flowy-chat/src/local_ai/local_llm_chat.rs

@@ -150,7 +150,8 @@ impl LocalAIController {
   pub fn is_rag_enabled(&self) -> bool {
     self
       .store_preferences
-      .get_bool_or_default(APPFLOWY_LOCAL_AI_CHAT_RAG_ENABLED)
+      .get_bool(APPFLOWY_LOCAL_AI_CHAT_RAG_ENABLED)
+      .unwrap_or(true)
   }
 
   pub fn open_chat(&self, chat_id: &str) {

frontend/rust-lib/flowy-document/src/manager.rs

@@ -151,7 +151,6 @@ impl DocumentManager {
     }
   }
 
-  #[tracing::instrument(level = "info", skip(self), err)]
   pub async fn get_document(&self, doc_id: &str) -> FlowyResult<Arc<MutexDocument>> {
     if let Some(doc) = self.documents.get(doc_id).map(|item| item.value().clone()) {
       return Ok(doc);
@@ -160,7 +159,7 @@ impl DocumentManager {
     if let Some(doc) = self.restore_document_from_removing(doc_id) {
       return Ok(doc);
     }
-    return Err(FlowyError::internal().with_context("Call open document first"));
+    Err(FlowyError::internal().with_context("Call open document first"))
   }
 
   /// Returns Document for given object id

frontend/rust-lib/flowy-error/src/code.rs

@@ -298,6 +298,9 @@ pub enum ErrorCode {
 
   #[error("Response timeout")]
   ResponseTimeout = 103,
+
+  #[error("Unsupported file format")]
+  UnsupportedFileFormat = 104,
 }
 
 impl ErrorCode {