[FEATURE] Add Skill invoke Hooks(pre or after) to monitor or adjust context

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

I want to monitor skill invoke metric, but there are no hooks for me to do this

Proposed Solution

Add Skill invoke hook before or after it invoke

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Configuration and settings

Use Case Example

_No response_

Additional Context

_No response_