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/test/cli/run/prompt.editor.test.ts

@@ -0,0 +1,101 @@
+import { describe, expect, test } from "bun:test"
+import { realignEditorPromptParts, resolveEditorSlashValue } from "@/cli/cmd/run/prompt.editor"
+import type { RunPromptPart } from "@/cli/cmd/run/types"
+
+describe("run prompt editor helpers", () => {
+  test("strips the local /editor command from the initial editor text", () => {
+    expect(resolveEditorSlashValue("/editor")).toBe("")
+    expect(resolveEditorSlashValue("/editor draft message")).toBe("draft message")
+    expect(resolveEditorSlashValue("/editor first line\nsecond line")).toBe("first line\nsecond line")
+  })
+
+  test("realigns file and agent parts after external editing", () => {
+    const filePart = {
+      type: "file",
+      mime: "text/plain",
+      filename: "src/app.ts",
+      url: "file:///src/app.ts",
+      source: {
+        type: "file",
+        path: "src/app.ts",
+        text: {
+          start: 0,
+          end: 11,
+          value: "@src/app.ts",
+        },
+      },
+    } satisfies RunPromptPart
+    const agentPart = {
+      type: "agent",
+      name: "helper",
+      source: {
+        start: 12,
+        end: 19,
+        value: "@helper",
+      },
+    } satisfies RunPromptPart
+    const parts = [filePart, agentPart]
+
+    expect(realignEditorPromptParts("Please check @helper before @src/app.ts", parts)).toEqual([
+      {
+        ...filePart,
+        source: {
+          ...filePart.source,
+          text: {
+            ...filePart.source.text,
+            start: 28,
+            end: 39,
+            value: "@src/app.ts",
+          },
+        },
+      },
+      {
+        ...agentPart,
+        source: {
+          start: 13,
+          end: 20,
+          value: "@helper",
+        },
+      },
+    ])
+  })
+
+  test("drops parts whose virtual text was deleted", () => {
+    const filePart = {
+      type: "file",
+      mime: "text/plain",
+      filename: "src/app.ts",
+      url: "file:///src/app.ts",
+      source: {
+        type: "file",
+        path: "src/app.ts",
+        text: {
+          start: 0,
+          end: 11,
+          value: "@src/app.ts",
+        },
+      },
+    } satisfies RunPromptPart
+    const agentPart = {
+      type: "agent",
+      name: "helper",
+      source: {
+        start: 12,
+        end: 19,
+        value: "@helper",
+      },
+    } satisfies RunPromptPart
+    const parts = [filePart, agentPart]
+
+    expect(realignEditorPromptParts("Only @helper remains", parts)).toEqual([
+      {
+        ...agentPart,
+        source: {
+          start: 5,
+          end: 12,
+          value: "@helper",
+        },
+      },
+    ])
+  })
+})