feat: plugin telemetry opt-in instrumentation

[Gradata]

Summary

• add opt-in plugin telemetry instrumentation for GRA-59
• includes hashed install identifier + aggregate counters only (no PII)
• wires telemetry path for corrections captured and rules graduated metrics

Validation

• targeted verification already completed by implementing engineer in GRA-59 thread

Related: GRA-59

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 49098292-27cd-425d-9fc5-f38fe72d153c

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch data-engineer/gra-59-telemetry

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}