Add agent diagnostic snapshot capture

[ANcpLua]

Summary

• Add the model-visible record_diagnostic_snapshot tool with bounded structural validation.
• Redact or omit classified values, protect accepted payloads, and append immutable content_captured journal evidence.
• Emit a fixed diagnostic OpenTelemetry event and persist its safe summary attributes in the collector.
• Harden observer finalization and spool durability for acknowledged diagnostic submissions.

Related contracts

• Add agent diagnostic snapshot contract qyl-api-schema#20
• Add agent diagnostic telemetry vocabulary Qyl.OpenTelemetry.SemanticConventions#38

Validation

• Qyl CLI tests: 61/61.
• Collector tests: 213/213.
• CLI build succeeded with zero warnings and errors.

[coderabbitai]

Important

Review skipped

Draft detected.

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 Plus

Run ID: 595dfa28-4c28-4c70-bcb1-320030bdf76a

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

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

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

[ANcpLua]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Bravo.

Reviewed commit: d0c21e8ee8

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".