feat(scheduler): add types needed for event driven scheduler (#16641)

packages/core/src/confirmation-bus/types.ts

@@ -5,6 +5,11 @@
  */
 
 import { type FunctionCall } from '@google/genai';
+import type {
+  ToolConfirmationOutcome,
+  ToolConfirmationPayload,
+} from '../tools/tools.js';
+import type { ToolCall } from '../scheduler/types.js';
 
 export enum MessageBusType {
   TOOL_CONFIRMATION_REQUEST = 'tool-confirmation-request',
@@ -16,6 +21,12 @@ export enum MessageBusType {
   HOOK_EXECUTION_REQUEST = 'hook-execution-request',
   HOOK_EXECUTION_RESPONSE = 'hook-execution-response',
   HOOK_POLICY_DECISION = 'hook-policy-decision',
+  TOOL_CALLS_UPDATE = 'tool-calls-update',
+}
+
+export interface ToolCallsUpdateMessage {
+  type: MessageBusType.TOOL_CALLS_UPDATE;
+  toolCalls: ToolCall[];
 }
 
 export interface ToolConfirmationRequest {
@@ -23,12 +34,26 @@ export interface ToolConfirmationRequest {
   toolCall: FunctionCall;
   correlationId: string;
   serverName?: string;
+  /**
+   * Optional rich details for the confirmation UI (diffs, counts, etc.)
+   */
+  details?: SerializableConfirmationDetails;
 }
 
 export interface ToolConfirmationResponse {
   type: MessageBusType.TOOL_CONFIRMATION_RESPONSE;
   correlationId: string;
   confirmed: boolean;
+  /**
+   * The specific outcome selected by the user.
+   *
+   * TODO: Make required after migration.
+   */
+  outcome?: ToolConfirmationOutcome;
+  /**
+   * Optional payload (e.g., modified content for 'modify_with_editor').
+   */
+  payload?: ToolConfirmationPayload;
   /**
    * When true, indicates that policy decision was ASK_USER and the tool should
    * show its legacy confirmation UI instead of auto-proceeding.
@@ -36,6 +61,35 @@ export interface ToolConfirmationResponse {
   requiresUserConfirmation?: boolean;
 }
 
+/**
+ * Data-only versions of ToolCallConfirmationDetails for bus transmission.
+ */
+export type SerializableConfirmationDetails =
+  | { type: 'info'; title: string; prompt: string; urls?: string[] }
+  | {
+      type: 'edit';
+      title: string;
+      fileName: string;
+      filePath: string;
+      fileDiff: string;
+      originalContent: string | null;
+      newContent: string;
+    }
+  | {
+      type: 'exec';
+      title: string;
+      command: string;
+      rootCommand: string;
+      rootCommands: string[];
+    }
+  | {
+      type: 'mcp';
+      title: string;
+      serverName: string;
+      toolName: string;
+      toolDisplayName: string;
+    };
+
 export interface UpdatePolicy {
   type: MessageBusType.UPDATE_POLICY;
   toolName: string;
@@ -94,4 +148,5 @@ export type Message =
   | UpdatePolicy
   | HookExecutionRequest
   | HookExecutionResponse
-  | HookPolicyDecision;
+  | HookPolicyDecision
+  | ToolCallsUpdateMessage;