-- Slice 5 — wire topology_runs to missions so the task-card parser
-- can attribute agent output to the right mission + phase.
--
-- Populated by the phase executor (Slices 4/5/6/7/8) when it enqueues
-- a topology_run on behalf of a mission phase. Left NULL for legacy
-- runs and the existing research/loops paths that pre-date missions.
--
-- The parser (task_card_parser) skips runs where mission_id IS NULL —
-- keeps the surface additive during the Slice 9 transition.

ALTER TABLE topology_runs
    ADD COLUMN mission_id       UUID REFERENCES missions(id) ON DELETE SET NULL,
    ADD COLUMN mission_phase_id UUID REFERENCES mission_phases(id) ON DELETE SET NULL;

CREATE INDEX topology_runs_mission_idx
    ON topology_runs (mission_id, created_at DESC)
    WHERE mission_id IS NOT NULL;