Reconciliation

Cookbook for composing an apply_graph_mutations plan — stable entity_key patterns, the canonical label/edge vocabulary, evidence/invalidation/confidence discipline, and a worked example. Load this when building a non-trivial mutation plan.

How to backfill a newly-added repo or team — the enumerate-then-drain loop, the single-event contract, and resume-safe todo discipline. Load this when handling a *.added seed event with the planner on.