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-mistral.test.ts

@@ -0,0 +1,106 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { ModelV2 } from "@opencode-ai/core/model"
+import { PluginV2 } from "@opencode-ai/core/plugin"
+import { MistralPlugin } from "@opencode-ai/core/plugin/provider/mistral"
+import { fakeSelectorSdk, it, model } from "./provider-helper"
+
+describe("MistralPlugin", () => {
+  it.effect("creates a Mistral SDK for @ai-sdk/mistral", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(MistralPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        { model: model("mistral", "mistral-large"), package: "@ai-sdk/mistral", options: { name: "mistral" } },
+        {},
+      )
+      expect(result.sdk).toBeDefined()
+    }),
+  )
+
+  it.effect("ignores non-Mistral SDK packages", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      yield* plugin.add(MistralPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        {
+          model: model("mistral", "mistral-large"),
+          package: "@ai-sdk/openai-compatible",
+          options: { name: "mistral" },
+        },
+        {},
+      )
+      expect(result.sdk).toBeUndefined()
+    }),
+  )
+
+  it.effect("matches the old bundled Mistral SDK provider name for the bundled provider ID", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      const providers: string[] = []
+      yield* plugin.add(MistralPlugin)
+      yield* plugin.add({
+        id: PluginV2.ID.make("mistral-sdk-inspector"),
+        effect: Effect.succeed({
+          "aisdk.sdk": (evt) =>
+            Effect.sync(() => {
+              providers.push(evt.sdk.languageModel("mistral-large").provider)
+            }),
+        }),
+      })
+      const result = yield* plugin.trigger(
+        "aisdk.sdk",
+        { model: model("mistral", "mistral-large"), package: "@ai-sdk/mistral", options: { name: "mistral" } },
+        {},
+      )
+      expect(result.sdk).toBeDefined()
+      expect(providers).toEqual(["mistral.chat"])
+    }),
+  )
+
+  it.effect("matches the old bundled Mistral SDK provider name for custom provider IDs", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      const providers: string[] = []
+      yield* plugin.add(MistralPlugin)
+      yield* plugin.add({
+        id: PluginV2.ID.make("mistral-sdk-inspector"),
+        effect: Effect.succeed({
+          "aisdk.sdk": (evt) =>
+            Effect.sync(() => {
+              providers.push(evt.sdk.languageModel("mistral-large").provider)
+            }),
+        }),
+      })
+      yield* plugin.trigger(
+        "aisdk.sdk",
+        {
+          model: model("custom-mistral", "mistral-large"),
+          package: "@ai-sdk/mistral",
+          options: { name: "custom-mistral" },
+        },
+        {},
+      )
+      expect(providers).toEqual(["mistral.chat"])
+    }),
+  )
+
+  it.effect("leaves Mistral language selection on the default sdk.languageModel(api.id) path", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      const calls: string[] = []
+      const sdk = fakeSelectorSdk(calls)
+      yield* plugin.add(MistralPlugin)
+      const result = yield* plugin.trigger(
+        "aisdk.language",
+        { model: model("mistral", "alias", { api: { id: ModelV2.ID.make("mistral-large") } }), sdk, options: {} },
+        {},
+      )
+      const language = result.language ?? sdk.languageModel(result.model.api.id)
+      expect(calls).toEqual(["languageModel:mistral-large"])
+      expect(language).toBeDefined()
+    }),
+  )
+})