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

packages/opencode/script/build.ts

@@ -140,6 +140,7 @@ const binaries: Record<string, string> = {}
 if (!skipInstall) {
   await $`bun install --os="*" --cpu="*" @opentui/core@${pkg.dependencies["@opentui/core"]}`
   await $`bun install --os="*" --cpu="*" @parcel/watcher@${pkg.dependencies["@parcel/watcher"]}`
+  await $`bun install --os="*" --cpu="*" @ff-labs/fff-bun@${pkg.dependencies["@ff-labs/fff-bun"]}`
 }
 for (const item of targets) {
   const name = [
@@ -165,7 +166,7 @@ for (const item of targets) {
   const workerRelativePath = path.relative(dir, parserWorker).replaceAll("\\", "/")
 
   await Bun.build({
-    conditions: ["node"],
+    conditions: ["bun", "node"],
     tsconfig: "./tsconfig.json",
     plugins: [plugin],
     external: ["node-gyp"],
@@ -186,6 +187,7 @@ for (const item of targets) {
     files: embeddedFileMap ? { "opencode-web-ui.gen.ts": embeddedFileMap } : {},
     entrypoints: ["./src/index.ts", parserWorker, workerPath, ...(embeddedFileMap ? ["opencode-web-ui.gen.ts"] : [])],
     define: {
+      FFF_LIBC: JSON.stringify(item.abi === "musl" ? "musl" : "gnu"),
       OPENCODE_VERSION: `'${Script.version}'`,
       OPENCODE_MODELS_DEV: generated.modelsData,
       OTUI_TREE_SITTER_WORKER_PATH: bunfsRoot + workerRelativePath,