use progress app

[tomjemmett]

• redirect the user to the progress app if a scenario has previously been submitted
• if we are creating a new scenario, we must remove the inputs_app metadata

[Copilot]

Pull request overview

This PR updates the scenario “Start” flow to (1) redirect users to the model-run progress application when an existing scenario has already been submitted and has a stored model run ID, and (2) remove __inputs_app__ metadata when creating a new scenario from an existing one to avoid carrying over inputs-app metadata.

Changes:

• Add conditional redirect to the model-run progress app when editing an existing scenario that includes __inputs_app__.model_run_id.
• Remove __inputs_app__ metadata when creating a new scenario from an existing scenario before writing params JSON for the inputs app.
• Add model_run_progress_url configuration entries for default/development/production.

Reviewed changes

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

File	Description
R/app_server.R	Adds “View Progress” redirect logic and clears __inputs_app__ metadata for “Create new from existing” before launching the inputs app.
inst/config.yml	Introduces model_run_progress_url per environment to support progress app redirection.

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