Add meeting agenda for 21st May 2026

[arsulegai]

Summary

Adds the TAC meeting agenda for 21 May 2026.

Annual reports up for review

• Paladin (PR Paladin's 2025 annual report #313) — Rama, Diane
• Besu (PR Besu2025 review #318) — Yoav, Enrique
• Smoot (PR 2026 Smoot Annual Review #326) — Hendrik, Marcus

Overdue

• Solang — extension granted; awaiting Stellar Foundation grant decision
• ToIP — Arun assisting
• Minokawa — project team working on it

Lab updates

• Veltora Core (PR #389) — system-agnostic, multi-pair optimization architecture (formerly OptiMesh)

Discussion topics carried forward

• Lab proposals review
• Project report reviews — TAC member assignment worksheet
• ADOPTERS.md going forward — cross-referencing with the use case tracker
• Mid-year report template and expectations (new twice-yearly cadence — governance PR Update the governance docs to move from quarterly to twice-yearly reports #319 merged)
• AI contribution guidelines (PR add AI guidelines #321) — proposal to split into mandatory vs suggested
• DCO mechanical friction — document common sign-off issues and resolutions
• Documenting labs policy for new TAC members
• SLSA-aligned best practices guidance
• Phases/maturity per sub-project framework

Also updates mkdocs.yml nav.