Merge branch 'main' into feat/termination-conditions

# Conflicts:
#	core/src/agents/loop_agent.ts

Author: David Montero

.release-please-manifest.json

@@ -1,5 +1,5 @@
 {
-  ".": "0.4.0",
-  "core": "0.4.0",
-  "dev": "0.4.0"
+  ".": "0.5.0",
+  "core": "0.5.0",
+  "dev": "0.5.0"
 }

core/CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## [0.5.0](https://github.com/google/adk-js/compare/adk-v0.4.0...adk-v0.5.0) (2026-03-09)
+
+
+### Features
+
+* Add ability to prefix toolsets to avoid tool name conflicts ([#184](https://github.com/google/adk-js/issues/184)) ([95837b2](https://github.com/google/adk-js/commit/95837b2d6e89a3455f104c352c5ef7e9077b989a))
+* implement ExitLoopTool similar to Python and Java ADK equivalent ([#170](https://github.com/google/adk-js/issues/170)) ([258998f](https://github.com/google/adk-js/commit/258998f7fbd086e2c6ecf894e15576f8a94481d4))
+* integrate with ADK conformance tests ([#168](https://github.com/google/adk-js/issues/168)) ([3a7c012](https://github.com/google/adk-js/commit/3a7c012e035f665dbf200640c10caa6e6dd82aa3))
+
+
+### Bug Fixes
+
+* Lazy load MikroORM drivers to avoid errors when not used. ([#183](https://github.com/google/adk-js/issues/183)) ([9cb726f](https://github.com/google/adk-js/commit/9cb726ffc23d5da79f46605af11e3a4765dec3c0))
+
 ## [0.4.0](https://github.com/google/adk-js/compare/adk-v0.3.0...adk-v0.4.0) (2026-02-25)
 
 ### Features

core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/adk",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Google ADK JS",
   "author": "Google",
   "license": "Apache-2.0",

core/src/a2a/a2a_event.ts

@@ -21,6 +21,19 @@ export enum MessageRole {
   AGENT = 'agent',
 }
 
+/**
+ * Task states.
+ */
+export enum TaskState {
+  SUBMITTED = 'submitted',
+  WORKING = 'working',
+  COMPLETED = 'completed',
+  FAILED = 'failed',
+  CANCELED = 'canceled',
+  REJECTED = 'rejected',
+  INPUT_REQUIRED = 'input-required',
+}
+
 /**
  * A2A event.
  */
@@ -83,7 +96,7 @@ export function getEventMetadata(event: A2AEvent): Record<string, unknown> {
 export function isFailedTaskStatusUpdateEvent(event: unknown): boolean {
   return (
     (isTaskStatusUpdateEvent(event) || isTask(event)) &&
-    event.status.state === 'failed'
+    event.status.state === TaskState.FAILED
   );
 }
 
@@ -93,7 +106,12 @@ export function isFailedTaskStatusUpdateEvent(event: unknown): boolean {
 export function isTerminalTaskStatusUpdateEvent(event: unknown): boolean {
   return (
     (isTaskStatusUpdateEvent(event) || isTask(event)) &&
-    ['completed', 'failed', 'canceled', 'rejected'].includes(event.status.state)
+    [
+      TaskState.COMPLETED,
+      TaskState.FAILED,
+      TaskState.CANCELED,
+      TaskState.REJECTED,
+    ].includes(event.status.state as TaskState)
   );
 }
 
@@ -103,7 +121,7 @@ export function isTerminalTaskStatusUpdateEvent(event: unknown): boolean {
 export function isInputRequiredTaskStatusUpdateEvent(event: unknown): boolean {
   return (
     (isTaskStatusUpdateEvent(event) || isTask(event)) &&
-    event.status.state === 'input-required'
+    event.status.state === TaskState.INPUT_REQUIRED
   );
 }
 
@@ -136,21 +154,24 @@ export function createTaskSubmittedEvent({
   taskId,
   contextId,
   message,
+  metadata,
 }: {
   taskId: string;
   contextId: string;
   message: Message;
+  metadata?: Record<string, unknown>;
 }): TaskStatusUpdateEvent {
   return {
     kind: 'status-update',
     taskId,
     contextId,
     final: false,
     status: {
-      state: 'submitted',
+      state: TaskState.SUBMITTED,
       message,
       timestamp: new Date().toISOString(),
     },
+    metadata,
   };
 }
 
@@ -161,20 +182,23 @@ export function createTask({
   contextId,
   message,
   taskId,
+  metadata,
 }: {
   taskId: string;
   contextId: string;
   message: Message;
+  metadata?: Record<string, unknown>;
 }): Task {
   return {
     kind: 'task',
     id: taskId || randomUUID(),
     contextId,
     history: [message],
     status: {
-      state: 'submitted',
+      state: TaskState.SUBMITTED,
       timestamp: new Date().toISOString(),
     },
+    metadata,
   };
 }
 
@@ -185,21 +209,24 @@ export function createTaskWorkingEvent({
   taskId,
   contextId,
   message,
+  metadata,
 }: {
   taskId: string;
   contextId: string;
-  message: Message;
+  message?: Message;
+  metadata?: Record<string, unknown>;
 }): TaskStatusUpdateEvent {
   return {
     kind: 'status-update',
     taskId,
     contextId,
     final: false,
     status: {
-      state: 'working',
+      state: TaskState.WORKING,
       message,
       timestamp: new Date().toISOString(),
     },
+    metadata,
   };
 }
 
@@ -209,7 +236,7 @@ export function createTaskWorkingEvent({
 export function createTaskCompletedEvent({
   taskId,
   contextId,
-  metadata = {},
+  metadata,
 }: {
   taskId: string;
   contextId: string;
@@ -221,7 +248,7 @@ export function createTaskCompletedEvent({
     contextId,
     final: true,
     status: {
-      state: 'completed',
+      state: TaskState.COMPLETED,
       timestamp: new Date().toISOString(),
     },
     metadata,
@@ -257,8 +284,8 @@ export function createTaskArtifactUpdateEvent({
     artifact: {
       artifactId: artifactId || randomUUID(),
       parts,
-      metadata,
     },
+    metadata,
   };
 }
 
@@ -280,8 +307,9 @@ export function createTaskFailedEvent({
     kind: 'status-update',
     taskId,
     contextId,
+    final: true,
     status: {
-      state: 'failed',
+      state: TaskState.FAILED,
       message: {
         kind: 'message',
         messageId: randomUUID(),
@@ -298,7 +326,6 @@ export function createTaskFailedEvent({
       timestamp: new Date().toISOString(),
     },
     metadata,
-    final: true,
   };
 }
 
@@ -309,18 +336,20 @@ export function createTaskInputRequiredEvent({
   taskId,
   contextId,
   parts,
+  metadata,
 }: {
   taskId: string;
   contextId: string;
   parts: A2APart[];
+  metadata?: Record<string, unknown>;
 }): TaskStatusUpdateEvent {
   return {
     kind: 'status-update',
     taskId,
     contextId,
     final: true,
     status: {
-      state: 'input-required',
+      state: TaskState.INPUT_REQUIRED,
       message: {
         kind: 'message',
         messageId: randomUUID(),
@@ -331,6 +360,7 @@ export function createTaskInputRequiredEvent({
       },
       timestamp: new Date().toISOString(),
     },
+    metadata,
   };
 }
 
@@ -341,18 +371,20 @@ export function createInputMissingErrorEvent({
   taskId,
   contextId,
   parts,
+  metadata,
 }: {
   parts: A2APart[];
   taskId: string;
   contextId: string;
+  metadata?: Record<string, unknown>;
 }): TaskStatusUpdateEvent {
   return {
     kind: 'status-update',
     taskId,
     contextId,
     final: true,
     status: {
-      state: 'input-required',
+      state: TaskState.INPUT_REQUIRED,
       message: {
         kind: 'message',
         messageId: randomUUID(),
@@ -363,5 +395,6 @@ export function createInputMissingErrorEvent({
       },
       timestamp: new Date().toISOString(),
     },
+    metadata,
   };
 }