fix: address third-pass upstream merge review

packages/opencode/test/cli/mcp-add.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
 import path from "path"
+import { mkdir } from "node:fs/promises" // kilocode_change
 import { cliIt } from "../lib/cli-process"
 
 describe("opencode mcp add (non-interactive subprocess)", () => {
@@ -71,4 +72,27 @@ describe("opencode mcp add (non-interactive subprocess)", () => {
       }),
     60_000,
   )
+
+  // kilocode_change start
+  cliIt.concurrent(
+    "writes to KILO_CONFIG_DIR without touching the default profile",
+    ({ home, opencode }) =>
+      Effect.gen(function* () {
+        const profile = path.join(home, "profile")
+        yield* Effect.promise(() => mkdir(profile, { recursive: true }))
+        const result = yield* opencode.spawn(
+          ["mcp", "add", "profile", "--url", "https://example.com/profile"],
+          { env: { KILO_CONFIG_DIR: profile } },
+        )
+        opencode.expectExit(result, 0)
+
+        const config = yield* Effect.promise(() => Bun.file(path.join(profile, "kilo.json")).json())
+        expect(config.mcp.profile).toEqual({ type: "remote", url: "https://example.com/profile" })
+        expect(yield* Effect.promise(() => Bun.file(path.join(home, ".config", "kilo", "kilo.json")).exists())).toBe(
+          false,
+        )
+      }),
+    60_000,
+  )
+        // kilocode_change end
 })