Compact compiled statechart runtimes

Author: SandroMaglione

.changeset/compact-statecharts-run.md

@@ -0,0 +1,5 @@
+---
+"@typeonce/effect-machine": patch
+---
+
+Run compiled statecharts and their invoked machine children with a single process fiber, reducing lifecycle overhead and idle memory while preserving the general `Machine.logic` runtime contract.

src/internal/machineProcess.ts

@@ -121,6 +121,7 @@ const makeProcessLogic: <
   const hasInvokes = hasInvokeCapability(machine)
   return ({
     [internalRuntime.childlessProcess]: hasInvokes ? undefined : true,
+    [internalRuntime.compiledProcess]: true,
     initial: (scope) =>
       internalRuntime.provideMachineRuntime(
         Effect.gen(function*() {
@@ -339,6 +340,9 @@ const makeProcessLogic: <
                 ...(processLogic[internalRuntime.childlessProcess] === true
                   ? { [internalRuntime.childlessProcess]: true as const }
                   : undefined),
+                ...(processLogic[internalRuntime.compiledProcess] === true
+                  ? { [internalRuntime.compiledProcess]: true as const }
+                  : undefined),
                 initial: (childScope) => logic.initial({ ...childScope, sendParent }),
                 run: (childContext) => logic.run({ ...childContext, sendParent })
               },