diff --git a/.aide/diagrams/task-flow.png b/.aide/diagrams/task-flow.png
new file mode 100644
index 0000000..26916ee
Binary files /dev/null and b/.aide/diagrams/task-flow.png differ
diff --git a/.aide/flow-status.json b/.aide/flow-status.json
index 3592f5a..2877c56 100644
--- a/.aide/flow-status.json
+++ b/.aide/flow-status.json
@@ -1,7 +1,7 @@
 {
   "task_id": "2025-12-16T20-22-50",
   "current_phase": "flow-design",
-  "current_step": 3,
+  "current_step": 4,
   "started_at": "2025-12-16T20:22:50+08:00",
   "history": [
     {
@@ -27,6 +27,14 @@
       "step": 3,
       "summary": "进入流程设计环节",
       "git_commit": "8b9acb0f65a3c5405cdb2ff23977a60d893c2a87"
+    },
+    {
+      "timestamp": "2025-12-16T20:25:02+08:00",
+      "action": "next-step",
+      "phase": "flow-design",
+      "step": 4,
+      "summary": "任务执行流程图设计完成",
+      "git_commit": "d172e43e91327d050a1b1b782e1ad726fe63c406"
     }
   ]
 }
diff --git a/.aide/flow-status.lock b/.aide/flow-status.lock
index fe22d7b..bbc0b6a 100755
--- a/.aide/flow-status.lock
+++ b/.aide/flow-status.lock
@@ -1 +1 @@
-76496
\ No newline at end of file
+76652
\ No newline at end of file