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Validate Inputs

Validation in PreFlight UI should happen before the user commits to a compute run.

What is validated​

The validator should check the same operational contract the runner depends on:

  • The project directory exists
  • 01_sources/ exists under that project
  • sources.json exists and can be parsed
  • The referenced portfolio file exists
  • The portfolio file contains the required molecular structure column
  • Referenced optional files exist when declared

Validation timing​

Run validation:

  • When a submission is first created
  • After any file or manifest change
  • Before the UI allows handoff to the analysis workflow

How to interpret outcomes​

Ready​

The package satisfies the current runner contract and can proceed to handoff.

Warning​

The package is structurally ingestible but likely incomplete for some downstream analyses. The UI should show exactly what is missing and how that affects expected coverage.

Blocked​

The package cannot be handed off safely. Missing required files, malformed manifest structure, or unresolved references should stop the workflow here rather than consuming cluster time.

Manual operator cross-check​

If you are validating a staged PVC or mounted filesystem path, the simplest confirmation is still:

ls -la /data/input/<project_id>/01_sources/

Use this when the UI and the underlying storage state appear to disagree.