Minor fixes, and npm updates

[rido-min]

This pull request introduces several dependency updates, exposes previously private methods for mentions handling, and enhances the Express server setup in the agents-hosting-express package. Additionally, it improves the sample agents by adding new event handlers and refines the OAuth flow sample for better state management.

Dependency updates:

• Updated various dependencies across package.json files, including @azure/msal-node, @types/node, and typedoc, to newer versions for improved compatibility and security. [1] [2] [3] [4]
• Added a new development dependency @microsoft/m365agentsplayground to the main package.json.

API and codebase improvements:

• Changed getMentions and removeMentionText methods from private to public in the Activity class, making them accessible for broader use. [1] [2]
• Modified the startServer function in startServer.ts to return the Express server instance and improved header propagation handling. [1] [2] [3]

Sample and test enhancements:

• Enhanced the EmptyAgent sample to handle the 'typing' activity and added a root endpoint to confirm the agent is running. [1] [2]
• Updated the OAuth flow handler sample to use a more appropriate file path for storing state.

[rido-min]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[Copilot]

Pull Request Overview

This pull request implements several dependency updates and API improvements to enhance the Microsoft Agents SDK. The changes focus on updating dependencies for security and compatibility, exposing previously private methods for better extensibility, and improving the Express server setup.

• Updated multiple dependencies including @azure/msal-node, @types/node, and typedoc to newer versions
• Exposed getMentions and removeMentionText methods in the Activity class from private to public
• Enhanced Express server functionality to return the server instance and improved header propagation handling

Reviewed Changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
test-agents/copilotstudio-console/package.json	Updated @azure/msal-node dependency from 3.6.0 to 3.7.0
samples/compat/oauthFlowHandler.ts	Changed OAuth state storage path from '__state' to '../__oauth_state'
samples/basic/emptyAgent.ts	Added typing event handler and root endpoint with server instance usage
packages/agents-hosting/package.json	Updated @azure/msal-node dependency from 3.6.0 to 3.7.0
packages/agents-hosting-express/src/startServer.ts	Modified function to return Express server instance and improved header propagation
packages/agents-activity/src/activity.ts	Changed getMentions and removeMentionText methods from private to public
package.json	Updated multiple dev dependencies and added new playground package