refactor(core): simplify location filesystem (#31545)

packages/opencode/test/server/httpapi-exercise/index.ts

@@ -670,6 +670,11 @@ const scenarios: Scenario[] = [
     .at((ctx) => ({ path: "/api/fs/read?path=hello.txt", headers: ctx.headers() }))
     .json(200, locationData(object)),
   http.protected.get("/api/fs/list", "v2.fs.list").json(200, locationData(array)),
+  http.protected
+    .get("/api/fs/find", "v2.fs.find")
+    .seeded((ctx) => ctx.file("hello.txt", "hello\n"))
+    .at((ctx) => ({ path: "/api/fs/find?query=hello&type=file", headers: ctx.headers() }))
+    .json(200, locationData(array)),
   http.protected.get("/api/reference", "v2.reference.list").json(200, object),
   http.protected
     .get("/api/provider/{providerID}", "v2.provider.get")

packages/opencode/test/server/httpapi-sdk.test.ts

@@ -390,10 +390,13 @@ describe("HttpApi SDK", () => {
           onRequest: (value) => (request = value),
         })
         const file = yield* call(() => sdk.v2.fs.read({ path: "hello.txt" }))
+        const found = yield* call(() => sdk.v2.fs.find({ query: "hello", type: "file" }))
         const url = new URL(request!.url)
 
         expect(file.response.status).toBe(200)
         expect(file.data).toMatchObject({ data: { content: "hello" } })
+        expect(found.response.status).toBe(200)
+        expect(found.data).toMatchObject({ data: [{ path: "hello.txt", type: "file" }] })
         expect(url.searchParams.get("directory")).toBe(directory)
         expect(url.searchParams.get("workspace")).toBe(workspaceID)
         expect(url.searchParams.get("location[directory]")).toBe(directory)