Spec 0256 — Guard the drafter-delta apply path against anchor failure, resync the drafter on no-op, and tighten the anchor contract (strict, not fuzzy)

dev

0256

drafter-delta-apply-guard-resync-and-strict-anchor-contract

Guard the drafter-delta apply path against anchor failure, resync the drafter on no-op, and tighten the anchor contract (strict, not fuzzy)

new-feature

new-feature

MINOR

TBD

deployed

ship

Promotion trigger fired — live run 20260529-164844 died at EXIT_RUNTIME with no final.md when an apply-time edit_section_anchor_not_found propagated past the parse-only fallback; this is the binding constraint on phase-4 completion, not latent.

[]

L

2026-05-30

2026-05-30T12:31:58Z

2026-05-30T12:46:19Z

2026-05-30T12:49:18Z

https://github.com/Lexiz/dual-research/pull/296

handoffs/2026-05-30-spec-0256-drafter-delta-apply-guard-resync-and-strict-anchor-contract.md

a-spec-promote-session

005

{"promoted_from_draft": "005"}

{}

{"checks": ["main_clean", "no_open_spec_prs", "no_in_flight"]}

{"path": "handoffs/2026-05-29-spec-0255-decouple-closeout-urge-from-effective-status.md"}

{"path": "specs/0256-drafter-delta-apply-guard-resync-and-strict-anchor-contract.md", "lines": 118, "type": "new-feature"}

{}

{"mechanical": 0, "semantic": 0, "verdict": "clean"}

{}

{"branch": "spec/0256-drafter-delta-apply-guard-resync-and-strict-anchor-contract", "from": "main@a639879"}

{}

{}

{"passed": 2456}

{"url": "https://github.com/Lexiz/dual-research/pull/296"}

{"pr": "https://github.com/Lexiz/dual-research/pull/296"}

{}

{"version": "1.65.0"}

{}

{"path": "handoffs/2026-05-30-spec-0256-drafter-delta-apply-guard-resync-and-strict-anchor-contract.md"}

{"version": "1.65.0"}