fix: dedicated 404 error handling and improved error messages for connectors delete command

[saikambaiyyagari]

Change:

zcli connectors:delete command: adds a dedicated 404 branch that surfaces a clear, user-facing message ("Connector '...' not found. It may have already been deleted or does not exist.")

Description

103fb63 fix: dedicated 404 error handling and improved error messages for connectors delete command

Detail

Checklist

• 💂‍♂️ includes new unit and functional tests

[Copilot]

Pull request overview

This PR improves the UX of zcli connectors:delete by adding dedicated handling for HTTP 404 Not Found, surfacing a clearer “connector not found” message and validating the behavior via functional tests.

Changes:

• Add a dedicated 404 response branch in connectors:delete to emit a user-friendly not-found message (and verbose details when --verbose is set).
• Update the existing 404 functional test expectation to match the new message.
• Add a new functional test verifying verbose logging behavior on 404.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
packages/zcli-connectors/src/commands/connectors/delete.ts	Adds explicit 404 handling and verbose logging for a clearer deletion failure experience.
packages/zcli-connectors/tests/functional/delete.test.ts	Updates/extends functional coverage to assert the new 404 message and verbose output behavior.

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