import Runtime.VM.Semantics.ExecOwnership

set_option autoImplicit false

universe u

/-- Transfer preserves session-level state: transfer rearranges coroutine
ownership without modifying session store or signed buffers. -/
def transfer_preserves_coherent_prop : Prop :=
  ∀ {ι γ π ε ν : Type u} [IdentityModel ι] [GuardLayer γ]
    [PersistenceModel π] [EffectRuntime ε] [VerificationModel ν]
    [AuthTree ν] [AccumulatedSet ν]
    [IdentityGuardBridge ι γ] [EffectGuardBridge ε γ]
    [PersistenceEffectBridge π ε] [IdentityPersistenceBridge ι π]
    [IdentityVerificationBridge ι ν]
    (st : VMState ι γ π ε ν) (coro : CoroutineState γ ε)
    (ep : Endpoint) (tid : Nat) (resources' : Std.HashMap ScopeId (ResourceState ν)),
    (transferCommit st coro ep tid resources').st.sessions = st.sessions ∧
    (transferCommit st coro ep tid resources').st.buffers = st.buffers

theorem transfer_preserves_coherent_proof : transfer_preserves_coherent_prop :=
  fun _st _coro _ep _tid _resources' => ⟨rfl, rfl⟩
