feat: optimized the skill loading method

components/lua_modules/lua_module_event_publisher/skills/lua_module_event_publisher.md

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+# Lua Event Publisher
+
+This skill describes how to correctly use event_publisher when writing Lua scripts.
+
+## How to call
+- Import it with `local event_publisher = require("event_publisher")`
+- Call `event_publisher.publish_message({...})` to publish a message event
+- Call `event_publisher.publish_trigger({...})` to publish a trigger event
+- Call `event_publisher.publish({...})` to publish a full custom event
+
+## Example
+```lua
+local event_publisher = require("event_publisher")
+
+event_publisher.publish_message({
+  source_cap = "lua_script",
+  channel = "custom",
+  chat_id = "demo",
+  text = "hello"
+})
+```

components/lua_modules/lua_module_event_publisher/skills/skills_list.json

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+{
+  "skills": [
+    {
+      "id": "lua_module_event_publisher",
+      "file": "lua_module_event_publisher.md",
+      "title": "lua_module_event_publisher",
+      "summary": "How to publish message, trigger, and custom events from Lua.",
+      "cap_groups": [
+        "cap_lua"
+      ]
+    }
+  ]
+}