feat(core): Introduce message bus for tool execution confirmation (#11544)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/core/src/tools/memoryTool.ts

@@ -24,6 +24,7 @@ import type {
 } from './modifiable-tool.js';
 import { ToolErrorType } from './tool-error.js';
 import { MEMORY_TOOL_NAME } from './tool-names.js';
+import type { MessageBus } from '../confirmation-bus/message-bus.js';
 
 const memoryToolSchemaData: FunctionDeclaration = {
   name: MEMORY_TOOL_NAME,
@@ -58,8 +59,7 @@ Do NOT use this tool:
 
 ## Parameters
 
-- \`fact\` (string, required): The specific fact or piece of information to remember. This should be a clear, self-contained statement. For example, if the user says "My favorite color is blue", the fact would be "My favorite color is blue".
-`;
+- \`fact\` (string, required): The specific fact or piece of information to remember. This should be a clear, self-contained statement. For example, if the user says "My favorite color is blue", the fact would be "My favorite color is blue".`;
 
 export const DEFAULT_CONTEXT_FILENAME = 'GEMINI.md';
 export const MEMORY_SECTION_HEADER = '## Gemini Added Memories';
@@ -177,12 +177,21 @@ class MemoryToolInvocation extends BaseToolInvocation<
 > {
   private static readonly allowlist: Set<string> = new Set();
 
+  constructor(
+    params: SaveMemoryParams,
+    messageBus?: MessageBus,
+    toolName?: string,
+    displayName?: string,
+  ) {
+    super(params, messageBus, toolName, displayName);
+  }
+
   getDescription(): string {
     const memoryFilePath = getGlobalMemoryFilePath();
     return `in ${tildeifyPath(memoryFilePath)}`;
   }
 
-  override async shouldConfirmExecute(
+  protected override async getConfirmationDetails(
     _abortSignal: AbortSignal,
   ): Promise<ToolEditConfirmationDetails | false> {
     const memoryFilePath = getGlobalMemoryFilePath();
@@ -291,13 +300,16 @@ export class MemoryTool
 {
   static readonly Name = MEMORY_TOOL_NAME;
 
-  constructor() {
+  constructor(messageBus?: MessageBus) {
     super(
       MemoryTool.Name,
       'Save Memory',
       memoryToolDescription,
       Kind.Think,
       memoryToolSchemaData.parametersJsonSchema as Record<string, unknown>,
+      true,
+      false,
+      messageBus,
     );
   }
 
@@ -311,8 +323,18 @@ export class MemoryTool
     return null;
   }
 
-  protected createInvocation(params: SaveMemoryParams) {
-    return new MemoryToolInvocation(params);
+  protected createInvocation(
+    params: SaveMemoryParams,
+    messageBus?: MessageBus,
+    toolName?: string,
+    displayName?: string,
+  ) {
+    return new MemoryToolInvocation(
+      params,
+      messageBus ?? this.messageBus,
+      toolName ?? this.name,
+      displayName ?? this.displayName,
+    );
   }
 
   static async performAddMemoryEntry(