<!-- DOC_STATUS: ACTIVE_NON_AUTHORITY -->

FIX7 P0 — Implementation Precondition Checklist (2026-06-11)

• Authority: PLANNING_NON_AUTHORITY. Gate for a FUTURE execution macro. execution_ready = false.
• Machine form: fix7-p0-implementation-precondition-checklist-2026-06-11.json (byte-identical to the packet's precondition-checklist.json).
• Source: …/fix7-authority-closure-2026-06-10/fix7-implementation-precondition-checklist.md@2.

id	precondition	status	blocks exec?	evidence / blocker
PC-1	Codex seal complete (N7/N8/P7, P7 pins rev3)	PASS	no	seal packet P7 9ddb27c3…34550; tree 3890cd34…a234 verified
PC-2	Owner OPT-4 execution approval	FAIL	yes	owner gave OPT-3 planning-only → FIX7-P0-PLAN-EXEC-AUTH-1
PC-3	Seal-vs-bytes recheck at exec start	UNKNOWN	yes	designed (DR-1); run at exec start → …-RECHECK-1
PC-4	Allowed mutations enumerated (default deny)	PASS	no	mutation-inventory.json (10 surfaces)
PC-5	Forbidden mutations standing	PASS	no	forbidden surfaces inventoried
PC-6	Rollback verified before apply	UNKNOWN	yes	rollback design exists; proof after run → …-ROLLBACK-PROOF-1
PC-7	REAL_RUN separate approval	FAIL	yes	not granted → …-REALRUN-1
PC-8	QT001/apply/permit/activation/repoint/cutover each separate	FAIL	yes	not granted → …-SEPARATE-AUTH-1
PC-9	Evidence discipline (no fake PASS)	PASS	no	executed commands.sh/RERUN.sh/exit_codes.json
PC-10	Governance (no orphan)	PASS	no	governance addendum TKT-OBJ-343..378
PC-11	First-step readback before any mutation	UNKNOWN	yes	sequenced DR-0/DR-1 → …-FIRSTSTEP-1
PC-12	Production surface fully scoped	UNKNOWN	yes	surfaces 5–9/10 UNKNOWN/forbidden → …-SURFACE-1

Totals (12 required): PASS 5 · FAIL 3 · UNKNOWN 4. Any required item not PASS blocks execution → execution_ready = false. No item is marked execution-ready, and the validator fails closed on any execution_ready=true claim in this packet.