undo mode switch changes

Author: jonathanlab

apps/array/src/main/preload.ts

@@ -187,10 +187,6 @@ contextBridge.exposeInMainWorld("electronAPI", {
     sdkSessionId?: string;
   }): Promise<{ sessionId: string; channel: string } | null> =>
     ipcRenderer.invoke("agent-reconnect", params),
-  agentSetSessionMode: async (
-    sessionId: string,
-    modeId: string,
-  ): Promise<void> => ipcRenderer.invoke("agent-set-session-mode", sessionId, modeId),
   onAgentEvent: (
     channel: string,
     listener: (payload: unknown) => void,

apps/array/src/main/services/session-manager.ts

@@ -302,24 +302,6 @@ export class SessionManager {
     }
   }
 
-  async setSessionMode(taskRunId: string, modeId: string): Promise<void> {
-    const session = this.sessions.get(taskRunId);
-    if (!session) {
-      throw new Error(`Session not found: ${taskRunId}`);
-    }
-
-    try {
-      await session.connection.setSessionMode({
-        sessionId: taskRunId,
-        modeId,
-      });
-      log.info("Session mode changed", { taskRunId, modeId });
-    } catch (err) {
-      log.error("Failed to set session mode", { taskRunId, modeId, err });
-      throw err;
-    }
-  }
-
   getSession(taskRunId: string): ManagedSession | undefined {
     return this.sessions.get(taskRunId);
   }
@@ -606,15 +588,4 @@ export function registerAgentIpc(
       return session ? toSessionResponse(session) : null;
     },
   );
-
-  ipcMain.handle(
-    "agent-set-session-mode",
-    async (
-      _event: IpcMainInvokeEvent,
-      sessionId: string,
-      modeId: string,
-    ): Promise<void> => {
-      return sessionManager.setSessionMode(sessionId, modeId);
-    },
-  );
 }

apps/array/src/renderer/features/sessions/components/MessageEditor.tsx

@@ -3,10 +3,6 @@ import { ArrowUp, Paperclip, Stop } from "@phosphor-icons/react";
 import { Box, Flex, IconButton, Tooltip } from "@radix-ui/themes";
 import { logger } from "@renderer/lib/logger";
 import type { MentionItem } from "@shared/types";
-import {
-  type SessionMode,
-  SessionModeSwitcher,
-} from "./SessionModeSwitcher";
 import { Extension, type JSONContent } from "@tiptap/core";
 import { Mention } from "@tiptap/extension-mention";
 import { Placeholder } from "@tiptap/extension-placeholder";
@@ -186,8 +182,6 @@ interface MessageEditorProps {
   onCancel?: () => void;
   onAttachFiles?: (files: File[]) => void;
   autoFocus?: boolean;
-  currentMode?: SessionMode;
-  onModeChange?: (mode: SessionMode) => void;
 }
 
 export const MessageEditor = forwardRef<
@@ -205,8 +199,6 @@ export const MessageEditor = forwardRef<
       onCancel,
       onAttachFiles,
       autoFocus = false,
-      currentMode,
-      onModeChange,
     },
     ref,
   ) => {
@@ -442,35 +434,26 @@ export const MessageEditor = forwardRef<
           <EditorContent editor={editor} />
         </Box>
         <Flex justify="between" align="center">
-          <Flex gap="1" align="center">
-            <input
-              ref={fileInputRef}
-              type="file"
-              multiple
-              onChange={handleFileSelect}
-              style={{ display: "none" }}
-            />
-            <Tooltip content="Attach file">
-              <IconButton
-                size="1"
-                variant="ghost"
-                color="gray"
-                onClick={() => fileInputRef.current?.click()}
-                disabled={disabled}
-                title="Attach file"
-                style={{ marginLeft: "0px" }}
-              >
-                <Paperclip size={14} weight="bold" />
-              </IconButton>
-            </Tooltip>
-            {currentMode && onModeChange && (
-              <SessionModeSwitcher
-                value={currentMode}
-                onChange={onModeChange}
-                disabled={disabled}
-              />
-            )}
-          </Flex>
+          <input
+            ref={fileInputRef}
+            type="file"
+            multiple
+            onChange={handleFileSelect}
+            style={{ display: "none" }}
+          />
+          <Tooltip content="Attach file">
+            <IconButton
+              size="1"
+              variant="ghost"
+              color="gray"
+              onClick={() => fileInputRef.current?.click()}
+              disabled={disabled}
+              title="Attach file"
+              style={{ marginLeft: "0px" }}
+            >
+              <Paperclip size={14} weight="bold" />
+            </IconButton>
+          </Tooltip>
           <Flex gap="4" align="center">
             {isLoading && onCancel ? (
               <Tooltip content="Stop">

apps/array/src/renderer/features/sessions/components/SessionModeSwitcher.tsx

@@ -10,9 +10,7 @@ import {
   Text,
   TextField,
 } from "@radix-ui/themes";
-import { useCallback, useEffect, useMemo, useRef, useState } from "react";
-import { logger } from "@renderer/lib/logger";
-import type { SessionMode } from "./SessionModeSwitcher";
+import { useCallback, useEffect, useMemo, useRef } from "react";
 import type { SessionEvent } from "../stores/sessionStore";
 import { useSessionViewStore } from "../stores/sessionViewStore";
 import { AgentMessage } from "./AgentMessage";
@@ -341,8 +339,6 @@ function groupMessagesIntoTurns(
   return turns;
 }
 
-const log = logger.scope("session-view");
-
 export function SessionView({
   events,
   sessionId,
@@ -353,35 +349,6 @@ export function SessionView({
   repoPath,
 }: SessionViewProps) {
   const searchInputRef = useRef<HTMLInputElement>(null);
-  const [currentMode, setCurrentMode] = useState<SessionMode>("default");
-
-  const handleModeChange = useCallback(
-    async (mode: SessionMode) => {
-      if (!sessionId) return;
-      setCurrentMode(mode);
-      try {
-        await window.electronAPI.agentSetSessionMode(sessionId, mode);
-        log.info("Session mode changed", { sessionId, mode });
-      } catch (error) {
-        log.error("Failed to change session mode", { sessionId, mode, error });
-        setCurrentMode(currentMode);
-      }
-    },
-    [sessionId, currentMode],
-  );
-
-  useEffect(() => {
-    for (const event of events) {
-      if (event.type !== "session_update") continue;
-      const update = event.notification?.update;
-      if (update?.sessionUpdate === "current_mode_update" && "currentModeId" in update) {
-        const newMode = update.currentModeId as SessionMode;
-        if (newMode !== currentMode) {
-          setCurrentMode(newMode);
-        }
-      }
-    }
-  }, [events, currentMode]);
 
   const {
     showRawLogs,
@@ -654,8 +621,6 @@ export function SessionView({
               isLoading={isPromptPending}
               onSubmit={handleSubmit}
               onCancel={onCancelPrompt}
-              currentMode={currentMode}
-              onModeChange={handleModeChange}
             />
           </Box>
         </Flex>

apps/array/src/renderer/features/sessions/components/SessionView.tsx

@@ -138,7 +138,6 @@ declare global {
       logUrl?: string;
       sdkSessionId?: string;
     }) => Promise<{ sessionId: string; channel: string } | null>;
-    agentSetSessionMode: (sessionId: string, modeId: string) => Promise<void>;
     onAgentEvent: (
       channel: string,
       listener: (event: unknown) => void,