feat(admin): add bounded NIP-66 probe history and timeline

[Ferryx349]

Description

• Persist bounded NIP-66 probe run history and expose GET /admin/network-health/history?limit=
• Add nip66.historyRetentionRuns (default 168) and optional historyRetentionHours
• Admin dashboard timeline for recent probe runs

Related Issue

Closes - #800

Motivation and Context

How Has This Been Tested?

• pnpm run test:unit
• Enable NIP-66, wait for probe runs, confirm history API and dashboard timeline

Screenshots (if appropriate):

Types of changes

• Non-functional change (docs, style, minor refactor)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my code changes.
• I added a changeset, or this is docs-only and I added an empty changeset.
• All new and existing tests passed.

[changeset-bot]

🦋 Changeset detected

Latest commit: 385e919

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
nostream	Minor

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[greptile-apps]

Confidence Score: 3/5

[Medium impact] Adds probe history storage and admin API endpoint.

Fix the stale default dashboard view and overlapping history deletion before merging.

Findings

1.  Latest probes stop appearing ▶
2.  Cleanup deletes retained runs ▶

Summary

Adds bounded NIP-66 probe history, an authenticated history API, and a dashboard timeline.

• Admins can request bounded history for NIP-66 probe runs.
• The Network Health panel lets admins select earlier probe runs.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  Worker[Probe worker] --> Latest[Latest snapshot]
  Worker --> History[Redis probe history]
  Worker --> Public[Public NIP-66 events]
  History --> Cleanup[Count and age cleanup]
  API[Authenticated history request] --> Cleanup
  Cleanup --> Timeline[Dashboard timeline]
  Latest --> Panel[Dashboard probe panel]
  Timeline --> Panel

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_{Reviews (2) · Last reviewed commit: "fix(admin): address Greptile review on p..." · Reviewed by Greptile}

[coveralls]

coverage: 74.031% (+0.1%) from 73.911% — feat/admin-network-health-history into main