refactor(server): serve raw filesystem content (#31911)

packages/opencode/test/server/httpapi-public-openapi.test.ts

@@ -97,7 +97,7 @@ describe("PublicApi OpenAPI v2 errors", () => {
   test("documents references separately from filesystem routes", () => {
     const spec = OpenApi.fromApi(PublicApi) as OpenApiSpec
 
-    for (const path of ["/api/fs/read", "/api/fs/list"]) {
+    for (const path of ["/api/fs/read/*", "/api/fs/list"]) {
       expect(spec.paths[path]?.get?.parameters, path).not.toContainEqual(expect.objectContaining({ name: "reference" }))
     }
     expect(spec.paths["/api/reference"]?.get).toBeDefined()