feat(freelance): 创建插件 crate 骨架

crates/erp-plugin-freelance/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "erp-plugin-freelance"
+version = "0.1.0"
+edition = "2024"
+description = "自由职业者工作台 WASM 插件"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+wit-bindgen = "0.55"

crates/erp-plugin-freelance/src/lib.rs

@@ -0,0 +1,26 @@
+//! 自由职业者工作台 WASM 插件
+
+wit_bindgen::generate!({
+    path: "../erp-plugin-prototype/wit/plugin.wit",
+    world: "plugin-world",
+});
+
+use crate::exports::erp::plugin::plugin_api::Guest;
+
+struct FreelancePlugin;
+
+impl Guest for FreelancePlugin {
+    fn init() -> Result<(), String> {
+        Ok(())
+    }
+
+    fn on_tenant_created(_tenant_id: String) -> Result<(), String> {
+        Ok(())
+    }
+
+    fn handle_event(_event_type: String, _payload: Vec<u8>) -> Result<(), String> {
+        Ok(())
+    }
+}
+
+export!(FreelancePlugin);