SeymourBETA

Update 2.79

6/10/2026

v2.79.0BETAMINOR

Seymour

SIN Chain Builder Gate 5: operator-gated backup/apply SANDBOX — applies to a throwaway COPY and UNDOES it byte-identical; SIN stays BLOCKED for public writing

Opens Gate 5 of the SIN Chain Builder: it proves a SinApplyPlan validated (Gate 3/NEMESIS) and AEON-reviewed (Gate 4/OMEGA) can be applied and undone in a sandbox/controlled copy — without touching the game, without touching any real user file, without RT2 and without a public button. Backup/apply sandbox is not public authoring. New sandbox-only classes in FfxLib/Ai/Sin: SinSandboxApplyGate (SinSandboxEligibility — the 8 read-only conditions: structurally-valid · ApplyAcceptable stays false · a SEPARATE explicit AllowSandboxApply permission · AEON ADDED-only · no critical blocker outside the clearable scaffolding, the rule that separates the blockers Gate 5 itself resolves (plan-blocker/rung-ladder) from the real ones (candidate/blocked payload, divmul-integrity, jump-slots, step-blocker)), SinSandboxApplySession (orchestrator: copy → backup-before-write → real emit to the copy only → real diff → verify the original is untouched → restore → byte-identical), SinSandboxBackup (.prev.bak of the copy + pre-image hash + Restore), SinSandboxRestoreVerifier (SHA-256 + byte-compare) and SinSandboxApplyResult (inspectable result + output template). REAL apply via the proven codec: for the eligible recipe it loads a throwaway copy of a real monster (read-only from the corpus → work/), builds the linear body via AppendGuardedAction(always-true guard PUSHII 1) — the only clean, self-relocating method that appends at end of code (existing offsets stable), runs SpliceAiFileIntoMonsterGrow, re-reads (re-parses clean = offline-emittable rung), runs a REAL AiScript_Diff.Compare(original, edited) (only the intended ADDED block, 0 modified / 0 removed = AEON-reviewed rung, no drift) + AiValidator.ValidateRebuilt (AiScriptLab-clean rung), and only then writes to the COPY (after the .prev.bak = backup-ready rung). 3 pilot recipes (an honesty decision, never forced green): SIN-006 (Véu de Bevelle, turn-1 self-buff; proven Self target, no command payload, no 0x16/0x17) = the ONLY eligible one → real sandbox apply (m201, OnTurn resolved via AiWorkerMapping.TryResolveCombatOnTurn, diff +15 ~0 -0, byte-identical restore, original/corpus hash unchanged); SIN-009 (Mandato do Maester; candidate payload) = conservatively BLOCKED (a throwaway copy is no excuse to write a dishonest payload; documented decision); SIN-010 (Farplane Toll, HP%) = BLOCKED by the 0x16 DIV vs intended HP% multiply (divmul-integrity) — 0x16/0x17 is a dedicated PATCH on another lane, NEVER fixed here. Extra proofs: without the AllowSandboxApply permission even SIN-006 is BLOCKED (operator-gated); an unexpected (tampered) diff is rejected by the same conservative predicate (+0 ~1 -0 → conservative=False); the original is never written (AppliedToOriginal=NO, proven by hashing both the reference copy AND the real corpus source). New gate --sin-sandbox-rt0: runs the 3 recipes, proves backup/restore/isolation, and a filesystem guard (nothing written outside work/, no .prev.bak/monster_*.bin in the output dir, every real fixture read-only with an unchanged hash, the sandbox dir cleaned at the end — no residue, never committed). (NEW executable capability: sandbox apply layer + gate; crosses the offline-emittable/AiScriptLab-clean/AEON-reviewed/backup-ready rungs on a copy). Scope/honesty: SIN stays BLOCKED for public writing — Gate 5 applies only to a sandbox/copy, it is NOT RT2 and NOT a public button; PublicApplyAllowed=NO/Rt2=NO by construction. It does NOT do a public writer/save/runtime/RT2/UI/button in MonsterAiEditor; it does NOT touch a real monster_*.bin/Aurora/native-menu/Blitzball/Shop/Mix/Sphere/Common(ANIMA); it reuses SinDryRunPlanner/SinPlanValidator/SinAeonDiffPlanner + AiScript_File.AppendGuardedAction/SpliceAiFileIntoMonsterGrow/AiScript_Diff/AiValidator (the round-trip already proven 345/345 by --aiasm-rt0). Build 0 errors; --sin-sandbox-rt0 + --sin-aeon-preview-rt0 (Gate 4) + --sin-validate-rt0 (Gate 3) + --sin-dryrun-rt0 (Gate 2) + --aicmdmeta-rt0 + --spiraatlas-rt0 + --aiasm-rt0 all PASS. Docs: docs/ai/SIN_PENANCE_BACKUP_APPLY_SANDBOX_RESULT_2026-06-10.md + docs/ai/HANDOFF_PENANCE_SIN_RT2_PILOT_NEXT_2026-06-10.md

v2.78.1

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SeymourBETA

Update 2.79

6/10/2026

v2.79.0BETAMINOR

Seymour

SIN Chain Builder Gate 5: operator-gated backup/apply SANDBOX — applies to a throwaway COPY and UNDOES it byte-identical; SIN stays BLOCKED for public writing

Opens Gate 5 of the SIN Chain Builder: it proves a SinApplyPlan validated (Gate 3/NEMESIS) and AEON-reviewed (Gate 4/OMEGA) can be applied and undone in a sandbox/controlled copy — without touching the game, without touching any real user file, without RT2 and without a public button. Backup/apply sandbox is not public authoring. New sandbox-only classes in FfxLib/Ai/Sin: SinSandboxApplyGate (SinSandboxEligibility — the 8 read-only conditions: structurally-valid · ApplyAcceptable stays false · a SEPARATE explicit AllowSandboxApply permission · AEON ADDED-only · no critical blocker outside the clearable scaffolding, the rule that separates the blockers Gate 5 itself resolves (plan-blocker/rung-ladder) from the real ones (candidate/blocked payload, divmul-integrity, jump-slots, step-blocker)), SinSandboxApplySession (orchestrator: copy → backup-before-write → real emit to the copy only → real diff → verify the original is untouched → restore → byte-identical), SinSandboxBackup (.prev.bak of the copy + pre-image hash + Restore), SinSandboxRestoreVerifier (SHA-256 + byte-compare) and SinSandboxApplyResult (inspectable result + output template). REAL apply via the proven codec: for the eligible recipe it loads a throwaway copy of a real monster (read-only from the corpus → work/), builds the linear body via AppendGuardedAction(always-true guard PUSHII 1) — the only clean, self-relocating method that appends at end of code (existing offsets stable), runs SpliceAiFileIntoMonsterGrow, re-reads (re-parses clean = offline-emittable rung), runs a REAL AiScript_Diff.Compare(original, edited) (only the intended ADDED block, 0 modified / 0 removed = AEON-reviewed rung, no drift) + AiValidator.ValidateRebuilt (AiScriptLab-clean rung), and only then writes to the COPY (after the .prev.bak = backup-ready rung). 3 pilot recipes (an honesty decision, never forced green): SIN-006 (Véu de Bevelle, turn-1 self-buff; proven Self target, no command payload, no 0x16/0x17) = the ONLY eligible one → real sandbox apply (m201, OnTurn resolved via AiWorkerMapping.TryResolveCombatOnTurn, diff +15 ~0 -0, byte-identical restore, original/corpus hash unchanged); SIN-009 (Mandato do Maester; candidate payload) = conservatively BLOCKED (a throwaway copy is no excuse to write a dishonest payload; documented decision); SIN-010 (Farplane Toll, HP%) = BLOCKED by the 0x16 DIV vs intended HP% multiply (divmul-integrity) — 0x16/0x17 is a dedicated PATCH on another lane, NEVER fixed here. Extra proofs: without the AllowSandboxApply permission even SIN-006 is BLOCKED (operator-gated); an unexpected (tampered) diff is rejected by the same conservative predicate (+0 ~1 -0 → conservative=False); the original is never written (AppliedToOriginal=NO, proven by hashing both the reference copy AND the real corpus source). New gate --sin-sandbox-rt0: runs the 3 recipes, proves backup/restore/isolation, and a filesystem guard (nothing written outside work/, no .prev.bak/monster_*.bin in the output dir, every real fixture read-only with an unchanged hash, the sandbox dir cleaned at the end — no residue, never committed). (NEW executable capability: sandbox apply layer + gate; crosses the offline-emittable/AiScriptLab-clean/AEON-reviewed/backup-ready rungs on a copy). Scope/honesty: SIN stays BLOCKED for public writing — Gate 5 applies only to a sandbox/copy, it is NOT RT2 and NOT a public button; PublicApplyAllowed=NO/Rt2=NO by construction. It does NOT do a public writer/save/runtime/RT2/UI/button in MonsterAiEditor; it does NOT touch a real monster_*.bin/Aurora/native-menu/Blitzball/Shop/Mix/Sphere/Common(ANIMA); it reuses SinDryRunPlanner/SinPlanValidator/SinAeonDiffPlanner + AiScript_File.AppendGuardedAction/SpliceAiFileIntoMonsterGrow/AiScript_Diff/AiValidator (the round-trip already proven 345/345 by --aiasm-rt0). Build 0 errors; --sin-sandbox-rt0 + --sin-aeon-preview-rt0 (Gate 4) + --sin-validate-rt0 (Gate 3) + --sin-dryrun-rt0 (Gate 2) + --aicmdmeta-rt0 + --spiraatlas-rt0 + --aiasm-rt0 all PASS. Docs: docs/ai/SIN_PENANCE_BACKUP_APPLY_SANDBOX_RESULT_2026-06-10.md + docs/ai/HANDOFF_PENANCE_SIN_RT2_PILOT_NEXT_2026-06-10.md

v2.78.1