docs: 重构系统层级为自下而上，剥离独立事件管理模块，全量校正GPIO引脚映射为原理图线标

.xagent/graph.json

@@ -71,6 +71,13 @@
       ],
       "lock": null
     },
+    "Docs/50_module-breakdown/mod-event.md": {
+      "depends_on": [
+        "Docs/30_architecture/main.md",
+        "Docs/40_ui-design/main.md"
+      ],
+      "lock": null
+    },
     "Docs/60_coding/mod-sys.md": {
       "depends_on": [
         "Docs/50_module-breakdown/mod-sys.md"
@@ -113,13 +120,20 @@
       ],
       "lock": null
     },
+    "Docs/60_coding/mod-event.md": {
+      "depends_on": [
+        "Docs/50_module-breakdown/mod-event.md"
+      ],
+      "lock": null
+    },
     "App/main.c": {
       "depends_on": [
         "Docs/60_coding/mod-sys.md",
         "Docs/60_coding/mod-key.md",
         "Docs/60_coding/mod-power.md",
         "Docs/60_coding/mod-led.md",
-        "Docs/60_coding/mod-motor.md"
+        "Docs/60_coding/mod-motor.md",
+        "Docs/60_coding/mod-event.md"
       ],
       "lock": null
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