[FEATURE] VS Code extension — System notification on task completion

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

When using the VS Code extension, sometimes the tasks take a bit longer and you go do something else.

It would be nice to get a system notification when the task is completed.

Proposed Solution

Show a system notification on claude code task completion

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Other

Use Case Example

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Additional Context

_No response_