chore: upgrade bun from 1.3.5 -> 1.3.6, also update types/bun from 1.3.4 -> 1.3.6 and fix type errs (#8499)

Co-authored-by: Github Action <action@github.com>

packages/opencode/test/util/filesystem.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, test } from "bun:test"
+import os from "node:os"
+import path from "node:path"
+import { mkdtemp, mkdir, rm } from "node:fs/promises"
+import { Filesystem } from "../../src/util/filesystem"
+
+describe("util.filesystem", () => {
+  test("exists() is true for files and directories", async () => {
+    const tmp = await mkdtemp(path.join(os.tmpdir(), "opencode-filesystem-"))
+    const dir = path.join(tmp, "dir")
+    const file = path.join(tmp, "file.txt")
+    const missing = path.join(tmp, "missing")
+
+    await mkdir(dir, { recursive: true })
+    await Bun.write(file, "hello")
+
+    const cases = await Promise.all([Filesystem.exists(dir), Filesystem.exists(file), Filesystem.exists(missing)])
+
+    expect(cases).toEqual([true, true, false])
+
+    await rm(tmp, { recursive: true, force: true })
+  })
+
+  test("isDir() is true only for directories", async () => {
+    const tmp = await mkdtemp(path.join(os.tmpdir(), "opencode-filesystem-"))
+    const dir = path.join(tmp, "dir")
+    const file = path.join(tmp, "file.txt")
+    const missing = path.join(tmp, "missing")
+
+    await mkdir(dir, { recursive: true })
+    await Bun.write(file, "hello")
+
+    const cases = await Promise.all([Filesystem.isDir(dir), Filesystem.isDir(file), Filesystem.isDir(missing)])
+
+    expect(cases).toEqual([true, false, false])
+
+    await rm(tmp, { recursive: true, force: true })
+  })
+})