Fix TypeScript errors and clean up unused imports

- Remove unused fs import from app.ts
- Remove unused LLM import and missing module reference from server.ts
- Fix parameter naming inconsistency in fetch.ts execute function
- Add missing metadata property to fetch.ts return statement
- Update test file to use correct API signatures and parameter names
- Remove unused parameters from example.ts

🤖 Generated with opencode
Co-Authored-By: opencode <noreply@opencode.ai>

packages/opencode/src/app/app.ts

@@ -1,4 +1,3 @@
-import fs from "fs/promises"
 import { Log } from "../util/log"
 import { Context } from "../util/context"
 import { Filesystem } from "../util/filesystem"

packages/opencode/src/server/server.ts

@@ -6,7 +6,6 @@ import { streamSSE } from "hono/streaming"
 import { Session } from "../session/session"
 import { resolver, validator as zValidator } from "hono-openapi/zod"
 import { z } from "zod"
-import { LLM } from "../llm/llm"
 import { Message } from "../session/message"
 import { Provider } from "../provider/provider"
 

packages/opencode/src/tool/example.ts

@@ -8,7 +8,7 @@ export const ExampleTool = Tool.define({
     foo: z.string().describe("The foo parameter"),
     bar: z.number().describe("The bar parameter"),
   }),
-  async execute(params) {
+  async execute() {
     return {
       metadata: {
         lol: "hey",

packages/opencode/src/tool/fetch.ts

@@ -53,7 +53,7 @@ export const FetchTool = Tool.define({
       .describe("Optional timeout in seconds (max 120)")
       .optional(),
   }),
-  async execute(param) {
+  async execute(params) {
     // Validate URL
     if (
       !params.url.startsWith("http://") &&
@@ -110,7 +110,7 @@ export const FetchTool = Tool.define({
           const markdown = convertHTMLToMarkdown(content)
           return { output: markdown, metadata: {} }
         }
-        return { output: "```\n" + content + "\n```" }
+        return { output: "```\n" + content + "\n```", metadata: {} }
 
       case "html":
         return { output: content, metadata: {} }