vms/types/fee: quantumvm moved to NoUserTxPolicy (LP-0130 §6)

Doc-comment + LLM.md updated to reflect chains/quantumvm feegate flip.

Co-authored-by: Hanzo Dev <dev@hanzo.ai>

LLM.md

@@ -96,7 +96,7 @@ selection, and EVM contract auth.
 >   is the fee currency everywhere (LP-0130 §3, §5).
 > - **Q-Chain has no user-payable blockspace** — finality is a
 >   validator obligation paid via P (LP-0130 §6). `quantumvm` MUST
->   use `NoUserTxPolicy{}`; the row below is being corrected.
+>   use `NoUserTxPolicy{}` — enforced in chains/quantumvm/feegate.go as of 2026-07-03.
 > - **M-Chain fees are service fees** deducted from the originating
 >   chain's fee pool, not a user M-balance (LP-0130 §7). `mpcvm`
 >   already runs `NoUserTxPolicy{}` — correct.

vms/types/fee/policy.go

@@ -94,7 +94,7 @@ type Policy interface {
 
 // FlatPolicy charges a fixed fee per user tx. The canonical
 // implementation for VMs without dynamic gas pricing — dexvm, bridgevm,
-// keyvm, zkvm, aivm, quantumvm all use this.
+// keyvm, zkvm, aivm use this (quantumvm is NoUserTxPolicy per LP-0130 §6).
 type FlatPolicy struct {
 	// Fee is the per-tx burn amount, in nLUX. MUST be > 0.
 	Fee uint64