feat(commentary): introduce universal rafters-critic for scenario commentary and cadence control

feat: Implement early termination for the judge in Twenty Sprouts game and enhance event handling

feat: Implement audience-only secret badge for Twenty Sprouts game

feat: implement winner celebration overlay and judging mechanics

Merge remote-tracking branch 'origin/main' into worktree-scenarios

feat: make every scenario arena-grade with a competition contract

feat: Implement well-known typed fields for verdicts in output models

feat: implement Archive feature for past session management

feat(observability): instrument models, conductor, memory, ledger (Units 2-6)

feat: implement streaming agent responses and enhance conversation flow with repeat guards

feat(core): add resilient loop and shared blackboard

feat: add Fishbowl UI presenter layer and say-vs-think engine support

feat: LiteLLM gateway routing profiles to Modal-served small models

Refactor code structure for improved readability and maintainability

feat: phase 2 architecture — manifest system, structured output, salience memory, SQLite ledger, observer

feat: phase 1 — memory layer, governor, second scenario, 70 passing tests

feat: scaffold hackathon agent theater