Addresses false status regressions when work progresses on CoulombCore
via ops-bridge but local workplan files are stale. Three-layer fix:
T01 no-regress rule (C-13), T02 pull gate (C-14), T03 DB→file writeback.
Plus session protocol update and fix-consistency-remote Makefile target.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>