v1.3.2 — mandatory session-start roster & model confirmation
SKILL.md Startup Flow step 7 + Selection Checkpoint now make a once-per-session roster + per-agent model confirmation a required startup gate: the facilitator lists the roster → user confirms → per agent lists available models → user picks the model to use persistently (recorded in meta/headless-agents.local.json, reused until changed; later sessions show saved picks for explicit confirmation). Prefer exact model ids over vendor 'latest' aliases. Mirrors COOPERATION.md §9.0 (parley-deck-cli 1.30.2).