fix: 修正 logo 中 N 和 G 字母造型

N 添加对角线笔画（█▄ █），G 添加内横杠（█ ▀█），
避免与 O 字母造型雷同。同步更新 ui.ts 中的硬编码 wordmark。

packages/core/test/plugin/provider-alibaba.test.ts

@@ -0,0 +1,67 @@
+import { describe, expect } from "bun:test"
+import { createAlibaba } from "@ai-sdk/alibaba"
+import { Effect } from "effect"
+import { ModelV2 } from "@opencode-ai/core/model"
+import { PluginV2 } from "@opencode-ai/core/plugin"
+import { AlibabaPlugin } from "@opencode-ai/core/plugin/provider/alibaba"
+import { it, model } from "./provider-helper"
+
+describe("AlibabaPlugin", () => {
+  it.effect("creates an Alibaba SDK for @ai-sdk/alibaba", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(AlibabaPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        { model: model("alibaba", "qwen"), package: "@ai-sdk/alibaba", options: { name: "alibaba" } },
+        {},
+      )
+      expect(result.sdk).toBeDefined()
+    }),
+  )
+
+  it.effect("ignores non-Alibaba SDK packages", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(AlibabaPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        { model: model("alibaba", "qwen"), package: "@ai-sdk/openai-compatible", options: { name: "alibaba" } },
+        {},
+      )
+      expect(result.sdk).toBeUndefined()
+    }),
+  )
+
+  it.effect("matches the old bundled Alibaba SDK provider naming", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(AlibabaPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        {
+          model: model("custom-alibaba", "qwen"),
+          package: "@ai-sdk/alibaba",
+          options: { name: "custom-alibaba", apiKey: "test" },
+        },
+        {},
+      )
+      const expected = createAlibaba({ apiKey: "test", ...{ name: "custom-alibaba" } }).languageModel("qwen")
+      const actual = result.sdk?.languageModel("qwen")
+      expect(actual?.provider).toBe(expected.provider)
+      expect(actual?.modelId).toBe(expected.modelId)
+    }),
+  )
+
+  it.effect("uses the old default languageModel(api.id) behavior", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(AlibabaPlugin)
+      const item = model("alibaba", "alias", { api: { id: ModelV2.ID.make("qwen-plus") } })
+      const result = yield* plugin.trigger("aisdk.sdk", { model: item, package: "@ai-sdk/alibaba", options: {} }, {})
+      const language = result.sdk?.languageModel(item.api.id)
+      expect(language?.modelId).toBe("qwen-plus")
+      expect(language?.provider).toBe("alibaba.chat")
+    }),
+  )
+})