feat: official MCP SDK as an optional tool transport

feat: Instructor-validated structured output on the live path

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

feat: env-gated Postgres event store via SQLAlchemy (layered)

feat: update setup instructions and dependencies for uv integration

chore: integrate main — renumber ADR to 0014, fix README map

feat: add OpenAPI docs and opt-in bearer auth via env-var secret

Merge branch 'main' into worktree-modal-init

feat: add Modal model-serving layer, one app per provider

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