feat(acp): promote next implementation (#29929)

packages/opencode/test/cli/acp/skills.test.ts

@@ -0,0 +1,38 @@
+import { describe, expect } from "bun:test"
+import type { SessionNotification } from "@agentclientprotocol/sdk"
+import { Effect } from "effect"
+import { mkdir } from "node:fs/promises"
+import path from "node:path"
+import { cliIt } from "../../lib/cli-process"
+import { createAcpClient, initialize, newSession, verifierConfig, verifierSkill } from "./helpers"
+
+describe("opencode acp skills subprocess", () => {
+  cliIt.live(
+    "skill slash command appears through available_commands_update",
+    ({ home, llm, opencode }) =>
+      Effect.gen(function* () {
+        const skills = path.join(home, "skills")
+        yield* Effect.promise(() => mkdir(path.join(skills, "verifier-skill"), { recursive: true }))
+        yield* Effect.promise(() => Bun.write(path.join(skills, "verifier-skill", "SKILL.md"), verifierSkill))
+        const acp = yield* createAcpClient(
+          { opencode },
+          { OPENCODE_CONFIG_CONTENT: JSON.stringify(verifierConfig(llm.url, skills)) },
+        )
+        yield* initialize(acp)
+        const session = yield* newSession(acp, home)
+
+        const update = yield* acp.waitForNotification<SessionNotification>(
+          "session/update",
+          (params) =>
+            params.sessionId === session.sessionId &&
+            params.update.sessionUpdate === "available_commands_update" &&
+            params.update.availableCommands.some(
+              (command) => command.name === "verifier-skill" && command.description.length > 0,
+            ),
+        )
+
+        expect(update.params?.sessionId).toBe(session.sessionId)
+      }),
+    60_000,
+  )
+})