core: clarify general agent can execute multiple parallel tasks

packages/opencode/src/agent/agent.ts

@@ -102,8 +102,7 @@ export namespace Agent {
     const result: Record<string, Info> = {
       general: {
         name: "general",
-        description:
-          "General-purpose agent for researching complex questions, searching for code, and executing multi-step tasks. When you are searching for a keyword or file and are not confident that you will find the right match in the first few tries use this agent to perform the search for you.",
+        description: `General-purpose agent for researching complex questions and executing multi-step tasks. Use this agent to execute multiple units of work in parallel.`,
         tools: {
           todoread: false,
           todowrite: false,