refactor(instruction): migrate to Effect service pattern (anomalyco#20542)

Author: kitlangton

packages/opencode/src/session/instruction.ts

@@ -248,10 +248,19 @@ export namespace Instruction {
     return runPromise((svc) => svc.systemPaths())
   }
 
+  export async function system() {
+    return runPromise((svc) => svc.system())
+  }
+
   export function loaded(messages: MessageV2.WithParts[]) {
     return extract(messages)
   }
 
+  export async function find(dir: string) {
+    return runPromise((svc) => svc.find(dir))
+  }
+
+
   export async function resolve(messages: MessageV2.WithParts[], filepath: string, messageID: MessageID) {
     return runPromise((svc) => svc.resolve(messages, filepath, messageID))
   }