新的架构设计文档和核心系统数据结构及接口声明

docs/min_core_draft/wm_runtime.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "wm_backend.h"
+#include "wm_layout.h"
+#include "wm_plan.h"
+#include "wm_policy.h"
+#include "wm_state.h"
+
+typedef struct wm_runtime_t {
+  bool running;
+
+  wm_state_t state;
+  wm_plan_t plan;
+  wm_command_buffer_t command_buffer;
+  wm_layout_registry_t layouts;
+  wm_backend_t backend;
+} wm_runtime_t;
+
+bool wm_runtime_init(wm_runtime_t *runtime, wm_backend_t backend);
+
+/*
+ * 处理单个事件，方便做无平台依赖的单元测试。
+ */
+bool wm_runtime_process_event(wm_runtime_t *runtime, const wm_event_t *event);
+
+void wm_runtime_run(wm_runtime_t *runtime);
+void wm_runtime_stop(wm_runtime_t *runtime);
+void wm_runtime_shutdown(wm_runtime_t *runtime);