Build-order step 1: the critical path everything else sits on.
- StateStore: SQLite in WAL mode with synchronous=FULL, so every
state transition and intent-log write is committed and fsynced
before returning; a power cut cannot tear state
- Durable intent log: begin_intent records a unit of work before it
starts; commit/abort resolve it; pending intents survive restart
- schema_version stamped from the first commit, with a sequential
migration hook; a newer state file than the code supports is
refused rather than misread
- reconcile_on_boot (A3 first cut): pending intents are checked
against external truth by registered reconcilers (observable
checks, never model self-assessment); verified effects are
committed, verified no-ops aborted, anything unverifiable gates
to AWAIT_INPUT — never blind-resume
- Lives in nisse_dev per spec 0.1: the library is extracted after
the dev agent works, not designed up front
- Integration test kills a subprocess mid-work with os._exit and
verifies state integrity and intent visibility on reopen
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>