add slo corrections support

[khewonc]

What does this PR do?

add slo corrections support

Motivation

https://datadoghq.atlassian.net/browse/CONTP-2020

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

1. Deploy the operator with DD_GENERIC_RESOURCE_CONTROLLER_ENABLED=true and DD_API_KEY and DD_APP_KEY set
2. Create a SLO: https://app.datadoghq.com/slo/create
3. Create a SLO correction, substituting your SLO ID

apiVersion: datadoghq.com/v1alpha1
kind: DatadogGenericResource
  type: slo_correction
  jsonSpec: |-
    {
      "data": {
        "type": "correction",
        "attributes": {
          "category": "Scheduled Maintenance",
          "description": "test correction",
          "slo_id": "<YOUR_SLO_ID>",
          "start": $(date -u -d '+1 day' +%s 2>/dev/null || date -u -v+1d +%s),
          "end": $(date -u -d '+1 day +1 hour' +%s 2>/dev/null || date -u -v+1d -v+1H +%s),
          "timezone": "UTC"
        }
      }
    }

4. Check the SLO correction status for SYNC STATUS: OK and for ID to be populated. Check your SLO in app for the SLO correction to be created under the Corrections tab
5. Update the SLO correction manifest, e.g. change "category" to "Deployment", and check for DatadogGenericResource manifest has changed and Updated DatadogGenericResource logs. In app, the Correction Type should now be Deployment
6. Delete the SLO correction. The SLO correction should disappear in app

Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label
• All commits are signed (see: signing commits)

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-01T14:21:46.187060Z	195d415	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 195d415ed5

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[datadog-prod-us1-4]

🛑 Gate Violations

🎯 1 Code Coverage issue detected

A Patch coverage percentage gate may be blocking this PR.

• Patch coverage: 47.62% (threshold: 80.00%)

ℹ️ Info

🎯 Code Coverage (details)
• Patch Coverage: 47.62%
• Overall Coverage: 50.57% (-0.01%)

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