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/opencode/src/cli/cmd/debug/v2.ts

@@ -0,0 +1,49 @@
+import { EOL } from "os"
+import { Effect, Option } from "effect"
+import { Catalog } from "@opencode-ai/core/catalog"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
+import { Location } from "@opencode-ai/core/location"
+import { PluginBoot } from "@opencode-ai/core/plugin/boot"
+import { AbsolutePath } from "@opencode-ai/core/schema"
+import { effectCmd } from "../../effect-cmd"
+
+export const V2Command = effectCmd({
+  command: "v2",
+  describe: "debug v2 catalog and built-in plugins",
+  instance: false,
+  handler: () =>
+    Effect.gen(function* () {
+      yield* PluginBoot.Service.use((service) => service.wait())
+      const catalog = yield* Catalog.Service
+      const providers = (yield* catalog.provider.available()).sort((a, b) => a.id.localeCompare(b.id))
+      const all = (yield* catalog.provider.all()).sort((a, b) => a.id.localeCompare(b.id))
+      const result = {
+        providers,
+        default: catalog.model
+          .default()
+          .pipe(Effect.map(Option.map((item) => item.id)), Effect.map(Option.getOrUndefined)),
+        small: Object.fromEntries(
+          yield* Effect.all(
+            all.map((provider) =>
+              Effect.map(
+                catalog.model.small(provider.id),
+                (model) => [provider.id, Option.getOrUndefined(Option.map(model, (item) => item.id))] as const,
+              ),
+            ),
+            { concurrency: "unbounded" },
+          ),
+        ),
+      }
+      process.stdout.write(JSON.stringify(result, null, 2) + EOL)
+    }).pipe(
+      Effect.withSpan("Cli.debug.v2"),
+      Effect.provide(
+        LocationServiceMap.get(
+          Location.Ref.make({
+            directory: AbsolutePath.make(process.cwd()),
+          }),
+        ),
+      ),
+      Effect.provide(LocationServiceMap.layer),
+    ),
+})