update status codes (Hold- to discuss about backward compatibility)

[muhammad-ali-e]

What

• Updated HTTP response handling for workflow execution status checks.
• EXECUTING and PENDING now return 202 Accepted instead of 422, indicating that the task is still in progress.
• COMPLETED continues to return 200 OK as expected (No Changes).
• ERROR and STOPPED now return 422 Unprocessable Entity to indicate abnormal or interrupted terminations.
• 406 Not Acceptable returned when the result has already been acknowledged (No Changes).
• Cleaned up status handling logic using an if-else structure for clarity and maintainability.

TODO: Update API documentation to reflect new status mappings.

Why

• Returning 422 for valid in-progress states like EXECUTING or PENDING was incorrect and misleading.

How

• Mapped statuses explicitly to HTTP response codes:
  • EXECUTING, PENDING → 202 Accepted
  • COMPLETED → 200 OK
  • ERROR, STOPPED → 422 Unprocessable Entity
  • Result already acknowledged → 406 Not Acceptable

Can this PR break any existing features. If yes, please list possible items. If no, please explain why. (PS: Admins do not merge the PR without this section filled)

• No

Database Migrations

Env Config

Relevant Docs

Related Issues or PRs

Dependencies Versions

Notes on Testing

Screenshots

Checklist

I have read and understood the Contribution Guidelines.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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[chandrasekharan-zipstack]

Changes LGTM - however

1. Won't this break existing clients that rely on the existing (flawed) logic? Ideally we should version the API deployments to aid with such changes however since we don't have it in place I'm wondering how we can carry this out cleanly
2. We might have to update accordingly in our python-client and the API deployments batch run script if required