always set the KAGENT_NAMESPACE; add the agent URL to the deployed page

[peterj]

Description

We must always set the KAGENT_NAMESPACE, even when deploying to docker. This PR also adds the agent URL to the /deployed page in the UI

Change Type

/kind fix

Changelog

add agent URL to the UI and fix the local docker deployment

[Copilot]

Pull request overview

This PR ensures local/docker agent deployments always have KAGENT_NAMESPACE set, and enhances the /deployed UI page to display (and copy) the local agent endpoint URL.

Changes:

• Default KAGENT_NAMESPACE to "default" when not provided during agent resolution.
• Add local agent endpoint URL display + copy-to-clipboard action on the /deployed page for local deployments.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
ui/app/deployed/page.tsx	Adds computed local agent endpoint URL display and copy button in the deployed resources UI.
internal/registry/platforms/utils/deployment_adapter_utils.go	Forces a namespace to be set for resolved agents, defaulting to "default" when missing.

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[inFocus7]

lgtm.

validated ui change with

make run
go run ./cmd/cli/main.go agent init adk python agent316
go run ./cmd/cli/main.go agent build agent316 --push
go run ./cmd/cli/main.go agent publish agent316 --version 1.0.0
go run ./cmd/cli/main.go agent deploy agent316 --version 1.0.0 --env GOOGLE_API_KEY=test
open http://localhost:12121/deployed