fix: logo 右半部分从 CODING 改为 CODE

去掉难以正确渲染的 N 和 G 字母，右半部分简化为 CODE（4 字母），
与左半部分 AIR 组合为 AIR CODE。

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

@@ -0,0 +1,73 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { Catalog } from "@opencode-ai/core/catalog"
+import { PluginV2 } from "@opencode-ai/core/plugin"
+import { ProviderPlugins } from "@opencode-ai/core/plugin/provider"
+import { LLMGatewayPlugin } from "@opencode-ai/core/plugin/provider/llmgateway"
+import { ProviderV2 } from "@opencode-ai/core/provider"
+import { expectPluginRegistered, it, provider } from "./provider-helper"
+
+describe("LLMGatewayPlugin", () => {
+  it.effect("is registered so legacy referer headers can be applied", () =>
+    Effect.sync(() =>
+      expectPluginRegistered(
+        ProviderPlugins.map((item) => item.id),
+        "llmgateway",
+      ),
+    ),
+  )
+
+  it.effect("applies legacy referer headers only to enabled llmgateway", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      const catalog = yield* Catalog.Service
+      yield* plugin.add(LLMGatewayPlugin)
+      const transform = yield* catalog.transform()
+      yield* transform((catalog) => {
+        const llmgateway = provider("llmgateway", {
+          enabled: { via: "env", name: "LLMGATEWAY_API_KEY" },
+          api: { type: "aisdk", package: "@ai-sdk/openai-compatible", url: "https://api.llmgateway.io/v1" },
+          request: { headers: { Existing: "value" }, body: {} },
+        })
+        catalog.provider.update(llmgateway.id, (draft) => {
+          draft.enabled = llmgateway.enabled
+          draft.api = llmgateway.api
+          draft.request = llmgateway.request
+        })
+        const openrouter = provider("openrouter", {
+          enabled: { via: "env", name: "OPENROUTER_API_KEY" },
+        })
+        catalog.provider.update(openrouter.id, (draft) => {
+          draft.enabled = openrouter.enabled
+        })
+      })
+      expect((yield* catalog.provider.get(ProviderV2.ID.make("llmgateway"))).request.headers).toEqual({
+        Existing: "value",
+        "HTTP-Referer": "https://opencode.ai/",
+        "X-Title": "opencode",
+        "X-Source": "opencode",
+      })
+      expect((yield* catalog.provider.get(ProviderV2.ID.openrouter)).request.headers).toEqual({})
+    }),
+  )
+
+  it.effect("does not apply legacy headers to a disabled llmgateway provider", () =>
+    Effect.gen(function* () {
+      const plugin = yield* PluginV2.Service
+      const catalog = yield* Catalog.Service
+      yield* plugin.add(LLMGatewayPlugin)
+      const transform = yield* catalog.transform()
+      yield* transform((catalog) => {
+        const item = provider("llmgateway", {
+          api: { type: "aisdk", package: "@ai-sdk/openai-compatible", url: "https://api.llmgateway.io/v1" },
+        })
+        catalog.provider.update(item.id, (draft) => {
+          draft.api = item.api
+        })
+      })
+
+      expect((yield* catalog.provider.get(ProviderV2.ID.make("llmgateway"))).enabled).toBe(false)
+      expect((yield* catalog.provider.get(ProviderV2.ID.make("llmgateway"))).request.headers).toEqual({})
+    }),
+  )
+})