[Self-Heal] Add self-scheduling auto-repair workflow

[badMade]

This PR adds an automated self-healing CI pipeline configured via GitHub Actions.

Triggers

1. Scheduled (Proactive): Runs on a dynamically computed schedule to catch drift (e.g., dependency updates, formatting).
2. CI Failure (Reactive): Runs automatically when a PR fails the main CI workflow.
3. Manual Dispatch: Can be run at any time via the GitHub Actions UI.

Self-Scheduling Logic

The schedule for the proactive trigger is periodically recomputed based on telemetry (like PR merge frequency and CI failure rates).
This is handled by the compute-schedule.yml workflow, which will open a PR if the computed schedule changes. The initial schedule was computed using available telemetry logs and defaults to daily (0 0 * * *) as a starting bootstrap value.

Periodic Recomputation

A separate GitHub Actions workflow runs periodically (default weekly) to calculate PR and commit telemetry in order to update the execution schedule of the main self-healing workflow.

Manual Overrides

To override the dynamically computed schedule, you can manually update the cron string in .github/workflows/self-heal.yml (ensure the # AUTO-UPDATED marker is preserved) and update the rationale in .github/self-heal-schedule.yml.

Reviewer Checklist

When reviewing a self-heal PR, ensure:

• No unintended source code logic changes were introduced.

• Snapshots reflect correct behavior, not just masking a bug.

• Formatting changes are consistent with project standards.

• The build passes locally.

• Link to chat: [Chat Link]

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PR created automatically by Jules for task 11957877458736744390 started by @badMade

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