refactor(core): unify filesystem search service (#31566)

packages/opencode/test/session/prompt.test.ts

@@ -48,7 +48,7 @@ import { Snapshot } from "../../src/snapshot"
 import { ToolRegistry } from "@/tool/registry"
 import { Truncate } from "@/tool/truncate"
 import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
-import { Search } from "@opencode-ai/core/filesystem/search"
+import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { Format } from "../../src/format"
 import { TestInstance } from "../fixture/fixture"
 import { awaitWithTimeout, pollWithTimeout, testEffect } from "../lib/effect"
@@ -190,7 +190,7 @@ function makePrompt(input?: { processor?: "blocking" }) {
     Layer.provide(FetchHttpClient.layer),
     Layer.provide(CrossSpawnSpawner.defaultLayer),
     Layer.provide(Git.defaultLayer),
-    Layer.provide(Search.defaultLayer),
+    Layer.provide(Ripgrep.defaultLayer),
     Layer.provide(Format.defaultLayer),
     Layer.provide(RuntimeFlags.layer({ experimentalEventSystem: true })),
     Layer.provideMerge(todo),