fix(fsm): run postTransition__ in resetToInitialState_ and constructor

BREAKING CHANGE: event 'reset' fired on calling resetToInitialState and the first time in class constructor

packages/fsm/src/base.ts

@@ -1,18 +1,18 @@
 import {packageTracer} from '@alwatr/nanolib';
 import {AlwatrObservable, type AlwatrObservableConfig} from '@alwatr/observable';
 
-import type {ActionName, ActionRecord, StateEventDetail, StateRecord} from './type.js';
+import type {ActionName, ActionRecord, MachineEvent, MachineState, StateEventDetail, StateRecord} from './type.js';
 
 __dev_mode__: packageTracer.add(__package_name__, __package_version__);
 
-export interface AlwatrFluxStateMachineConfig<S extends string> extends AlwatrObservableConfig {
+export interface AlwatrFluxStateMachineConfig<S extends MachineState> extends AlwatrObservableConfig {
   initialState: S;
 }
 
 /**
  * Flux (Finite) State Machine Base Class
  */
-export abstract class AlwatrFluxStateMachineBase<S extends string, E extends string> extends AlwatrObservable<{state: S}> {
+export abstract class AlwatrFluxStateMachineBase<S extends MachineState, E extends MachineEvent> extends AlwatrObservable<{state: S}> {
   /**
    * States and transitions config.
    */
@@ -30,15 +30,24 @@ export abstract class AlwatrFluxStateMachineBase<S extends string, E extends str
   constructor(config: AlwatrFluxStateMachineConfig<S>) {
     config.loggerPrefix ??= 'flux-state-machine';
     super(config);
-    this.message_ = {state: this.initialState_ = config.initialState};
+
+    this.initialState_ = config.initialState;
+    this.message_ = {state: this.initialState_};
+    this.resetToInitialState_();
   }
 
   /**
    * Reset machine to initial state without notify.
    */
   protected resetToInitialState_(): void {
     this.logger_.logMethod?.('resetToInitialState_');
+    const from = this.message_.state;
     this.message_ = {state: this.initialState_};
+    this.postTransition__({
+      from,
+      event: 'reset' as E,
+      to: this.initialState_,
+    });
   }
 
   /**