[dr0uleau]

Why

Compatible clients need incremental artifact reads for local collections on every Buzz relay.

What

Expose incremental artifact reads and capability discovery on every Buzz relay.

How

Serve incremental queries through the existing authentication and authorization checks. Keep the existing work budgets and the separate WebSocket sync capability. The HTTP test verifies capability discovery and a successful incremental query.

Risk

The relay starts no additional background work. Clients that use incremental reads consume database capacity. The net database load is not yet measured. Serving writers must maintain the modification timestamps.

Testing

Read-only SQL checks on November 3, 2026 verify the prerequisites below. Each database records successful migrations 76–78. All five required columns have the expected types, defaults, and nullability. All five indexes have the expected definitions and are valid, ready, and live.

Deployment	Schema and indexes	Running timestamp writers
Production bb-block	Pass	f6f6d9a includes PR 8523
Production bb-public	Pass	f3a7bab includes PR 8523
Staging bb-block	Pass	b4509de includes PR 8523

The checked columns are artifact_heads.modified_at, artifact_revisions.modified_at, artifact_revisions.source_channel_id, channel_members.sync_modified_at, and communities.artifact_policy_modified_at. The checked indexes are idx_artifact_revisions_artifact, artifact_heads_modified, artifact_heads_channel, channel_members_sync, and artifact_revisions_moves.

At commit 62b26ad, all 21 NIP-11 tests and the HTTP capability test pass on Linux with PostgreSQL 17 and Redis. The HTTP test checks capability discovery and a successful incremental query. All required push hooks also pass.

No manual testing. Human confirmation remains pending.

Bigger picture

Client PR 1507 uses the advertised capability for local artifact sync. Existing deployments receive this behavior when they deploy the relay version that includes this PR.

Generated with Codex

[github-actions]

🔐 Codex Security Review

Note: This is an automated, security-focused review generated by Codex.
Use it as a supplement to human review; false positives are possible.

Scope

• Exact PR diff: 0e5a69962e5cbe5e81ea46b557770ce27a120a14...62b26ad7386caaad299ee6c619c011c024b7af51
• Model: gpt-6.1-sol

💡 Click "edited" above to see earlier reviews for this PR.

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Review Summary

Overall Risk: NONE

No concrete security, correctness, or reliability regressions found in the authorized PR range.

Findings

No concrete security, correctness, or reliability findings were identified.

Notes

• Review used read-only source and history inspection. Builds, tests, and repository scripts were not executed.

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_{Generated by Codex Security Review |
Requested by: @dr0uleau |
Workflow run}