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Optional ImportGuard host hook missing (MN-REQ-12.11) #49

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Description

@cursor

Gap (model TARGET ↔ as-is code)

Model nests an optional cheap-LLM ImportGuard under path B SessionImportReceive (allow / trim / reject + short reason as ImportGuardDecision atoms). Happy path A (shared session) MUST re-pin_map without ImportGuard. Guard MUST NOT replace schema/caps/id-policy hard gates; host MAY disable.

Code as-is has no ImportGuard module, no decision atom type, and no host opt-in hook before a path B absorb.

Model cites

  • MN-REQ-12.11 CheapLlmImportGuardSoft — sysml-models/models/requirements.sysml
  • Part: ImportGuard (optionalSoftPolicy=true, implemented=false) — sysml-models/models/deploy.sysml
  • Behaviour: EvGuardReviewSlice / pathBGuarding — sysml-models/models/behaviour.sysml
  • Verify: MN-VER-12-S12; sysml-models/outputs/session-import-case-study.md

Code paths checked

  • No ImportGuard under parts/common/memnet/ or MCP tools

What’s missing

An optional host-side soft-review seam for path B WorkingMemorySlice import (when enabled), recording structured decisions — not a hard product gate and not chat-as-SSOT.

Out of scope

  • ImportAbsorb hard gates (separate issue)
  • EvidenceCentre librarian / ai-investor Dock patterns

Activity

  1. added 2 commits that reference this issue on Aug 13, 2026
  2. chouswei commented on Aug 13, 2026

    @chouswei
    Owner

    Landed: optional ImportGuard host hook on master (PR #55).

  3. chouswei commented on Aug 13, 2026

    @chouswei
    Owner

    Hook only. Leftover cheap-LLM adapter is #63 — 12.11 is not done.

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