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/opencode/test/cli/run/theme.test.ts

@@ -0,0 +1,177 @@
+import { expect, test } from "bun:test"
+import { RGBA, type CliRenderer, type TerminalColors } from "@opentui/core"
+import { RUN_THEME_FALLBACK, generateSystem, resolveRunTheme, resolveTheme } from "@/cli/cmd/run/theme"
+
+const palette = ["#15161e", "#f7768e", "#9ece6a", "#e0af68", "#7aa2f7", "#bb9af7", "#7dcfff", "#c0caf5"] as const
+
+function terminalColors(input: Partial<TerminalColors> = {}): TerminalColors {
+  return {
+    palette: Array.from({ length: 256 }, (_, index) => input.palette?.[index] ?? palette[index % palette.length]!),
+    defaultBackground: input.defaultBackground ?? "#1a1b26",
+    defaultForeground: input.defaultForeground ?? "#c0caf5",
+    cursorColor: input.cursorColor ?? "#ff9e64",
+    mouseForeground: input.mouseForeground ?? null,
+    mouseBackground: input.mouseBackground ?? null,
+    tekForeground: input.tekForeground ?? null,
+    tekBackground: input.tekBackground ?? null,
+    highlightBackground: input.highlightBackground ?? "#33467c",
+    highlightForeground: input.highlightForeground ?? "#c0caf5",
+  }
+}
+
+function renderer(
+  input: {
+    themeMode?: "dark" | "light"
+    colors?: TerminalColors
+    fail?: boolean
+  } = {},
+) {
+  return {
+    themeMode: input.themeMode,
+    getPalette: async () => {
+      if (input.fail) {
+        throw new Error("boom")
+      }
+
+      return input.colors ?? terminalColors()
+    },
+  } as CliRenderer
+}
+
+function expectRgba(color: unknown) {
+  expect(color).toBeInstanceOf(RGBA)
+  if (!(color instanceof RGBA)) {
+    throw new Error("expected RGBA")
+  }
+
+  return color
+}
+
+function expectIndexed(color: unknown) {
+  const rgba = expectRgba(color)
+  expect(rgba.intent).toBe("indexed")
+  expect(rgba.slot).toBeLessThan(256)
+}
+
+function spread(color: RGBA) {
+  const [r, g, b] = color.toInts()
+  return Math.max(r, g, b) - Math.min(r, g, b)
+}
+
+test("falls back when palette lookup fails", async () => {
+  expect(await resolveRunTheme(renderer({ fail: true }))).toBe(RUN_THEME_FALLBACK)
+})
+
+test("returns syntax styles and indexed splash colors", async () => {
+  const theme = await resolveRunTheme(renderer({ themeMode: "dark" }))
+
+  try {
+    expect(theme.block.syntax).toBeDefined()
+    expect(theme.block.subtleSyntax).toBeDefined()
+    expect([...theme.block.syntax!.getAllStyles()].length).toBeGreaterThan(0)
+    expect([...theme.block.subtleSyntax!.getAllStyles()].length).toBeGreaterThan(0)
+    expectIndexed(theme.splash.left)
+    expectIndexed(theme.splash.right)
+    expectIndexed(theme.splash.leftShadow)
+    expectIndexed(theme.splash.rightShadow)
+    expectIndexed(theme.block.highlight)
+    expectIndexed(theme.block.warning)
+    expectRgba(theme.footer.highlight)
+    expectRgba(theme.footer.statusAccent)
+    expectRgba(theme.footer.surface)
+    expect(expectRgba(theme.footer.statusAccent).toInts()).not.toEqual(expectRgba(theme.footer.status).toInts())
+  } finally {
+    theme.block.syntax?.destroy()
+    theme.block.subtleSyntax?.destroy()
+  }
+})
+
+test("keeps footer surfaces exact while scrollback stays palette matched", async () => {
+  const colors = terminalColors({
+    defaultBackground: "#0f172a",
+    defaultForeground: "#e2e8f0",
+  })
+  const theme = await resolveRunTheme(renderer({ themeMode: "dark", colors }))
+  const exact = resolveTheme(generateSystem(colors, "dark"), "dark")
+
+  try {
+    expect(expectRgba(theme.footer.selected).toInts()).toEqual(expectRgba(exact.backgroundElement).toInts())
+    expect(expectRgba(theme.footer.border).toInts()).toEqual(expectRgba(exact.border).toInts())
+    expect(expectRgba(theme.footer.pane).toInts()).toEqual(expectRgba(exact.backgroundMenu).toInts())
+    expect(expectRgba(theme.footer.selected).intent).toBe("rgb")
+    expectIndexed(theme.block.highlight)
+    expectIndexed(theme.block.warning)
+  } finally {
+    theme.block.syntax?.destroy()
+    theme.block.subtleSyntax?.destroy()
+  }
+})
+
+test("uses refreshed background brightness when cached renderer mode is stale", async () => {
+  const colors = terminalColors({
+    defaultBackground: "#fbf1c7",
+    defaultForeground: "#3c3836",
+  })
+  const stale = await resolveRunTheme(renderer({ themeMode: "dark", colors }))
+  const light = await resolveRunTheme(renderer({ themeMode: "light", colors }))
+
+  try {
+    expect(expectRgba(stale.footer.surface).toInts()).toEqual(expectRgba(light.footer.surface).toInts())
+  } finally {
+    stale.block.syntax?.destroy()
+    stale.block.subtleSyntax?.destroy()
+    light.block.syntax?.destroy()
+    light.block.subtleSyntax?.destroy()
+  }
+})
+
+test("keeps renderer mode when refreshed default background is unavailable", async () => {
+  const colors = {
+    ...terminalColors(),
+    defaultBackground: null,
+    palette: ["#000000", ...terminalColors().palette.slice(1)],
+  }
+  const light = await resolveRunTheme(renderer({ themeMode: "light", colors }))
+  const dark = await resolveRunTheme(renderer({ themeMode: "dark", colors }))
+
+  try {
+    expect(expectRgba(light.footer.surface).toInts()).not.toEqual(expectRgba(dark.footer.surface).toInts())
+  } finally {
+    light.block.syntax?.destroy()
+    light.block.subtleSyntax?.destroy()
+    dark.block.syntax?.destroy()
+    dark.block.subtleSyntax?.destroy()
+  }
+})
+
+test("keeps dark surfaces neutral on saturated backgrounds", () => {
+  const theme = resolveTheme(
+    generateSystem(
+      terminalColors({
+        defaultBackground: "#0000ff",
+        defaultForeground: "#ffffff",
+      }),
+      "dark",
+    ),
+    "dark",
+  )
+
+  expect(spread(theme.backgroundPanel)).toBeLessThan(10)
+  expect(spread(theme.backgroundElement)).toBeLessThan(10)
+})
+
+test("keeps light surfaces close to neutral on warm backgrounds", () => {
+  const theme = resolveTheme(
+    generateSystem(
+      terminalColors({
+        defaultBackground: "#fbf1c7",
+        defaultForeground: "#3c3836",
+      }),
+      "light",
+    ),
+    "light",
+  )
+
+  expect(spread(theme.backgroundPanel)).toBeLessThan(60)
+  expect(spread(theme.backgroundElement)).toBeLessThan(60)
+})