feat(fsm): 添加有限状态机模块 (#327)

- 添加 IStateMachine 接口，支持泛型状态和上下文
- 添加 StateMachine 实现
- 支持状态定义 (onEnter/onExit/onUpdate)
- 支持转换定义和条件
- 支持事件监听 (onChange/onEnter/onExit)
- 添加 8 个蓝图节点:
  - GetCurrentState, TransitionTo, CanTransition
  - IsInState, WasInState, GetStateDuration
  - EvaluateTransitions, ResetStateMachine

pnpm-lock.yaml

@@ -1028,6 +1028,34 @@ importers:
         specifier: ^5.3.3
         version: 5.9.3
 
+  packages/fsm:
+    dependencies:
+      tslib:
+        specifier: ^2.8.1
+        version: 2.8.1
+    devDependencies:
+      '@esengine/blueprint':
+        specifier: workspace:*
+        version: link:../blueprint
+      '@esengine/build-config':
+        specifier: workspace:*
+        version: link:../build-config
+      '@esengine/ecs-framework':
+        specifier: workspace:*
+        version: link:../core
+      '@types/node':
+        specifier: ^20.19.17
+        version: 20.19.25
+      rimraf:
+        specifier: ^5.0.0
+        version: 5.0.10
+      tsup:
+        specifier: ^8.0.0
+        version: 8.5.1(@microsoft/api-extractor@7.55.1(@types/node@20.19.25))(@swc/core@1.15.3)(jiti@2.6.1)(postcss@8.5.6)(tsx@4.21.0)(typescript@5.9.3)(yaml@2.8.1)
+      typescript:
+        specifier: ^5.8.3
+        version: 5.9.3
+
   packages/material-editor:
     dependencies:
       '@esengine/material-system':