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* as fs from \"node:fs\";\nimport * as path from \"node:path\";\nimport {\n\ttype EditorTheme,\n\tgetCapabilities,\n\ttype MarkdownTheme,\n\ttype SelectListTheme,\n\ttype SettingsListTheme,\n} from \"@earendil-works/pi-tui\";\nimport chalk from \"chalk\";\nimport { type Static, Type } from \"typebox\";\nimport { Compile } from \"typebox/compile\";\nimport { getCustomThemesDir, getThemesDir } from \"../../../config.ts\";\nimport type { SourceInfo } from \"../../../core/source-info.ts\";\nimport { closeWatcher, watchWithErrorHandler } from \"../../../utils/fs-watch.ts\";\nimport { highlight, supportsLanguage } from \"../../../utils/syntax-highlight.ts\";\n\n// ============================================================================\n// Types & Schema\n// ============================================================================\n\nconst ColorValueSchema = Type.Union([\n\tType.String(), // hex \"#ff0000\", var ref \"primary\", or empty \"\"\n\tType.Integer({ minimum: 0, maximum: 255 }), // 256-color index\n]);\n\ntype ColorValue = Static<typeof ColorValueSchema>;\n\nconst ThemeJsonSchema = Type.Object({\n\t$schema: Type.Optional(Type.String()),\n\tname: Type.String(),\n\tvars: Type.Optional(Type.Record(Type.String(), ColorValueSchema)),\n\tcolors: Type.Object({\n\t\t// Core UI (10 colors)\n\t\taccent: ColorValueSchema,\n\t\tborder: ColorValueSchema,\n\t\tborderAccent: ColorValueSchema,\n\t\tborderMuted: ColorValueSchema,\n\t\tsuccess: ColorValueSchema,\n\t\terror: ColorValueSchema,\n\t\twarning: ColorValueSchema,\n\t\tmuted: ColorValueSchema,\n\t\tdim: ColorValueSchema,\n\t\ttext: ColorValueSchema,\n\t\tthinkingText: ColorValueSchema,\n\t\t// Backgrounds & Content Text (11 colors)\n\t\tselectedBg: ColorValueSchema,\n\t\tuserMessageBg: ColorValueSchema,\n\t\tuserMessageText: ColorValueSchema,\n\t\tcustomMessageBg: ColorValueSchema,\n\t\tcustomMessageText: ColorValueSchema,\n\t\tcustomMessageLabel: ColorValueSchema,\n\t\ttoolPendingBg: ColorValueSchema,\n\t\ttoolSuccessBg: ColorValueSchema,\n\t\ttoolErrorBg: ColorValueSchema,\n\t\ttoolTitle: ColorValueSchema,\n\t\ttoolOutput: ColorValueSchema,\n\t\t// Markdown (10 colors)\n\t\tmdHeading: ColorValueSchema,\n\t\tmdLink: ColorValueSchema,\n\t\tmdLinkUrl: ColorValueSchema,\n\t\tmdCode: ColorValueSchema,\n\t\tmdCodeBlock: ColorValueSchema,\n\t\tmdCodeBlockBorder: ColorValueSchema,\n\t\tmdQuote: ColorValueSchema,\n\t\tmdQuoteBorder: ColorValueSchema,\n\t\tmdHr: ColorValueSchema,\n\t\tmdListBullet: ColorValueSchema,\n\t\t// Tool Diffs (3 colors)\n\t\ttoolDiffAdded: ColorValueSchema,\n\t\ttoolDiffRemoved: ColorValueSchema,\n\t\ttoolDiffContext: ColorValueSchema,\n\t\t// Syntax Highlighting (9 colors)\n\t\tsyntaxComment: ColorValueSchema,\n\t\tsyntaxKeyword: ColorValueSchema,\n\t\tsyntaxFunction: ColorValueSchema,\n\t\tsyntaxVariable: ColorValueSchema,\n\t\tsyntaxString: ColorValueSchema,\n\t\tsyntaxNumber: ColorValueSchema,\n\t\tsyntaxType: ColorValueSchema,\n\t\tsyntaxOperator: ColorValueSchema,\n\t\tsyntaxPunctuation: ColorValueSchema,\n\t\t// Thinking Level Borders (6 colors)\n\t\tthinkingOff: ColorValueSchema,\n\t\tthinkingMinimal: ColorValueSchema,\n\t\tthinkingLow: ColorValueSchema,\n\t\tthinkingMedium: ColorValueSchema,\n\t\tthinkingHigh: ColorValueSchema,\n\t\tthinkingXhigh: ColorValueSchema,\n\t\t// Bash Mode (1 color)\n\t\tbashMode: ColorValueSchema,\n\t}),\n\texport: Type.Optional(\n\t\tType.Object({\n\t\t\tpageBg: Type.Optional(ColorValueSchema),\n\t\t\tcardBg: Type.Optional(ColorValueSchema),\n\t\t\tinfoBg: Type.Optional(ColorValueSchema),\n\t\t}),\n\t),\n});\n\ntype ThemeJson = Static<typeof ThemeJsonSchema>;\n\nconst validateThemeJson = Compile(ThemeJsonSchema);\n\nexport type ThemeColor =\n\t| \"accent\"\n\t| \"border\"\n\t| \"borderAccent\"\n\t| \"borderMuted\"\n\t| \"success\"\n\t| \"error\"\n\t| \"warning\"\n\t| \"muted\"\n\t| \"dim\"\n\t| \"text\"\n\t| \"thinkingText\"\n\t| \"userMessageText\"\n\t| \"customMessageText\"\n\t| \"customMessageLabel\"\n\t| \"toolTitle\"\n\t| \"toolOutput\"\n\t| \"mdHeading\"\n\t| \"mdLink\"\n\t| \"mdLinkUrl\"\n\t| \"mdCode\"\n\t| \"mdCodeBlock\"\n\t| \"mdCodeBlockBorder\"\n\t| \"mdQuote\"\n\t| \"mdQuoteBorder\"\n\t| \"mdHr\"\n\t| \"mdListBullet\"\n\t| \"toolDiffAdded\"\n\t| \"toolDiffRemoved\"\n\t| \"toolDiffContext\"\n\t| \"syntaxComment\"\n\t| \"syntaxKeyword\"\n\t| \"syntaxFunction\"\n\t| \"syntaxVariable\"\n\t| \"syntaxString\"\n\t| \"syntaxNumber\"\n\t| \"syntaxType\"\n\t| \"syntaxOperator\"\n\t| \"syntaxPunctuation\"\n\t| \"thinkingOff\"\n\t| \"thinkingMinimal\"\n\t| \"thinkingLow\"\n\t| \"thinkingMedium\"\n\t| \"thinkingHigh\"\n\t| \"thinkingXhigh\"\n\t| \"bashMode\";\n\nexport type ThemeBg =\n\t| \"selectedBg\"\n\t| \"userMessageBg\"\n\t| \"customMessageBg\"\n\t| \"toolPendingBg\"\n\t| \"toolSuccessBg\"\n\t| \"toolErrorBg\";\n\ntype ColorMode = \"truecolor\" | \"256color\";\n\n// ============================================================================\n// Color Utilities\n// ============================================================================\n\nfunction hexToRgb(hex: string): { r: number; g: number; b: number } {\n\tconst cleaned = hex.replace(\"#\", \"\");\n\tif (cleaned.length !== 6) {\n\t\tthrow new Error(`Invalid hex color: ${hex}`);\n\t}\n\tconst r = parseInt(cleaned.substring(0, 2), 16);\n\tconst g = parseInt(cleaned.substring(2, 4), 16);\n\tconst b = parseInt(cleaned.substring(4, 6), 16);\n\tif (Number.isNaN(r) || Number.isNaN(g) || Number.isNaN(b)) {\n\t\tthrow new Error(`Invalid hex color: ${hex}`);\n\t}\n\treturn { r, g, b };\n}\n\n// The 6x6x6 color cube channel values (indices 0-5)\nconst CUBE_VALUES = [0, 95, 135, 175, 215, 255];\n\n// Grayscale ramp values (indices 232-255, 24 grays from 8 to 238)\nconst GRAY_VALUES = Array.from({ length: 24 }, (_, i) => 8 + i * 10);\n\nfunction findClosestCubeIndex(value: number): number {\n\tlet minDist = Infinity;\n\tlet minIdx = 0;\n\tfor (let i = 0; i < CUBE_VALUES.length; i++) {\n\t\tconst dist = Math.abs(value - CUBE_VALUES[i]);\n\t\tif (dist < minDist) {\n\t\t\tminDist = dist;\n\t\t\tminIdx = i;\n\t\t}\n\t}\n\treturn minIdx;\n}\n\nfunction findClosestGrayIndex(gray: number): number {\n\tlet minDist = Infinity;\n\tlet minIdx = 0;\n\tfor (let i = 0; i < GRAY_VALUES.length; i++) {\n\t\tconst dist = Math.abs(gray - GRAY_VALUES[i]);\n\t\tif (dist < minDist) {\n\t\t\tminDist = dist;\n\t\t\tminIdx = i;\n\t\t}\n\t}\n\treturn minIdx;\n}\n\nfunction colorDistance(r1: number, g1: number, b1: number, r2: number, g2: number, b2: number): number {\n\t// Weighted Euclidean distance (human eye is more sensitive to green)\n\tconst dr = r1 - r2;\n\tconst dg = g1 - g2;\n\tconst db = b1 - b2;\n\treturn dr * dr * 0.299 + dg * dg * 0.587 + db * db * 0.114;\n}\n\nfunction rgbTo256(r: number, g: number, b: number): number {\n\t// Find closest color in the 6x6x6 cube\n\tconst rIdx = findClosestCubeIndex(r);\n\tconst gIdx = findClosestCubeIndex(g);\n\tconst bIdx = findClosestCubeIndex(b);\n\tconst cubeR = CUBE_VALUES[rIdx];\n\tconst cubeG = CUBE_VALUES[gIdx];\n\tconst cubeB = CUBE_VALUES[bIdx];\n\tconst cubeIndex = 16 + 36 * rIdx + 6 * gIdx + bIdx;\n\tconst cubeDist = colorDistance(r, g, b, cubeR, cubeG, cubeB);\n\n\t// Find closest grayscale\n\tconst gray = Math.round(0.299 * r + 0.587 * g + 0.114 * b);\n\tconst grayIdx = findClosestGrayIndex(gray);\n\tconst grayValue = GRAY_VALUES[grayIdx];\n\tconst grayIndex = 232 + grayIdx;\n\tconst grayDist = colorDistance(r, g, b, grayValue, grayValue, grayValue);\n\n\t// Check if color has noticeable saturation (hue matters)\n\t// If max-min spread is significant, prefer cube to preserve tint\n\tconst maxC = Math.max(r, g, b);\n\tconst minC = Math.min(r, g, b);\n\tconst spread = maxC - minC;\n\n\t// Only consider grayscale if color is nearly neutral (spread < 10)\n\t// AND grayscale is actually closer\n\tif (spread < 10 && grayDist < cubeDist) {\n\t\treturn grayIndex;\n\t}\n\n\treturn cubeIndex;\n}\n\nfunction hexTo256(hex: string): number {\n\tconst { r, g, b } = hexToRgb(hex);\n\treturn rgbTo256(r, g, b);\n}\n\nfunction fgAnsi(color: string | number, mode: ColorMode): string {\n\tif (color === \"\") return \"\\x1b[39m\";\n\tif (typeof color === \"number\") return `\\x1b[38;5;${color}m`;\n\tif (color.startsWith(\"#\")) {\n\t\tif (mode === \"truecolor\") {\n\t\t\tconst { r, g, b } = hexToRgb(color);\n\t\t\treturn `\\x1b[38;2;${r};${g};${b}m`;\n\t\t} else {\n\t\t\tconst index = hexTo256(color);\n\t\t\treturn `\\x1b[38;5;${index}m`;\n\t\t}\n\t}\n\tthrow new Error(`Invalid color value: ${color}`);\n}\n\nfunction bgAnsi(color: string | number, mode: ColorMode): string {\n\tif (color === \"\") return \"\\x1b[49m\";\n\tif (typeof color === \"number\") return `\\x1b[48;5;${color}m`;\n\tif (color.startsWith(\"#\")) {\n\t\tif (mode === \"truecolor\") {\n\t\t\tconst { r, g, b } = hexToRgb(color);\n\t\t\treturn `\\x1b[48;2;${r};${g};${b}m`;\n\t\t} else {\n\t\t\tconst index = hexTo256(color);\n\t\t\treturn `\\x1b[48;5;${index}m`;\n\t\t}\n\t}\n\tthrow new Error(`Invalid color value: ${color}`);\n}\n\nfunction resolveVarRefs(\n\tvalue: ColorValue,\n\tvars: Record<string, ColorValue>,\n\tvisited = new Set<string>(),\n): string | number {\n\tif (typeof value === \"number\" || value === \"\" || value.startsWith(\"#\")) {\n\t\treturn value;\n\t}\n\tif (visited.has(value)) {\n\t\tthrow new Error(`Circular variable reference detected: ${value}`);\n\t}\n\tif (!(value in vars)) {\n\t\tthrow new Error(`Variable reference not found: ${value}`);\n\t}\n\tvisited.add(value);\n\treturn resolveVarRefs(vars[value], vars, visited);\n}\n\nfunction resolveThemeColors<T extends Record<string, ColorValue>>(\n\tcolors: T,\n\tvars: Record<string, ColorValue> = {},\n): Record<keyof T, string | number> {\n\tconst resolved: Record<string, string | number> = {};\n\tfor (const [key, value] of Object.entries(colors)) {\n\t\tresolved[key] = resolveVarRefs(value, vars);\n\t}\n\treturn resolved as Record<keyof T, string | number>;\n}\n\n// ============================================================================\n// Theme Class\n// ============================================================================\n\nexport class Theme {\n\treadonly name?: string;\n\treadonly sourcePath?: string;\n\tsourceInfo?: SourceInfo;\n\tprivate fgColors: Map<ThemeColor, string>;\n\tprivate bgColors: Map<ThemeBg, string>;\n\tprivate mode: ColorMode;\n\n\tconstructor(\n\t\tfgColors: Record<ThemeColor, string | number>,\n\t\tbgColors: Record<ThemeBg, string | number>,\n\t\tmode: ColorMode,\n\t\toptions: { name?: string; sourcePath?: string; sourceInfo?: SourceInfo } = {},\n\t) {\n\t\tthis.name = options.name;\n\t\tthis.sourcePath = options.sourcePath;\n\t\tthis.sourceInfo = options.sourceInfo;\n\t\tthis.mode = mode;\n\t\tthis.fgColors = new Map();\n\t\tfor (const [key, value] of Object.entries(fgColors) as [ThemeColor, string | number][]) {\n\t\t\tthis.fgColors.set(key, fgAnsi(value, mode));\n\t\t}\n\t\tthis.bgColors = new Map();\n\t\tfor (const [key, value] of Object.entries(bgColors) as [ThemeBg, string | number][]) {\n\t\t\tthis.bgColors.set(key, bgAnsi(value, mode));\n\t\t}\n\t}\n\n\tfg(color: ThemeColor, text: string): string {\n\t\tconst ansi = this.fgColors.get(color);\n\t\tif (!ansi) throw new Error(`Unknown theme color: ${color}`);\n\t\treturn `${ansi}${text}\\x1b[39m`; // Reset only foreground color\n\t}\n\n\tbg(color: ThemeBg, text: string): string {\n\t\tconst ansi = this.bgColors.get(color);\n\t\tif (!ansi) throw new Error(`Unknown theme background color: ${color}`);\n\t\treturn `${ansi}${text}\\x1b[49m`; // Reset only background color\n\t}\n\n\tbold(text: string): string {\n\t\treturn chalk.bold(text);\n\t}\n\n\titalic(text: string): string {\n\t\treturn chalk.italic(text);\n\t}\n\n\tunderline(text: string): string {\n\t\treturn chalk.underline(text);\n\t}\n\n\tinverse(text: string): string {\n\t\treturn chalk.inverse(text);\n\t}\n\n\tstrikethrough(text: string): string {\n\t\treturn chalk.strikethrough(text);\n\t}\n\n\tgetFgAnsi(color: ThemeColor): string {\n\t\tconst ansi = this.fgColors.get(color);\n\t\tif (!ansi) throw new Error(`Unknown theme color: ${color}`);\n\t\treturn ansi;\n\t}\n\n\tgetBgAnsi(color: ThemeBg): string {\n\t\tconst ansi = this.bgColors.get(color);\n\t\tif (!ansi) throw new Error(`Unknown theme background color: ${color}`);\n\t\treturn ansi;\n\t}\n\n\tgetColorMode(): ColorMode {\n\t\treturn this.mode;\n\t}\n\n\tgetThinkingBorderColor(level: \"off\" | \"minimal\" | \"low\" | \"medium\" | \"high\" | \"xhigh\"): (str: string) => string {\n\t\t// Map thinking levels to dedicated theme colors\n\t\tswitch (level) {\n\t\t\tcase \"off\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingOff\", str);\n\t\t\tcase \"minimal\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingMinimal\", str);\n\t\t\tcase \"low\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingLow\", str);\n\t\t\tcase \"medium\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingMedium\", str);\n\t\t\tcase \"high\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingHigh\", str);\n\t\t\tcase \"xhigh\":\n\t\t\t\treturn (str: string) => this.fg(\"thinkingXhigh\", str);\n\t\t\tdefault:\n\t\t\t\treturn (str: string) => this.fg(\"thinkingOff\", str);\n\t\t}\n\t}\n\n\tgetBashModeBorderColor(): (str: string) => string {\n\t\treturn (str: string) => this.fg(\"bashMode\", str);\n\t}\n}\n\n// ============================================================================\n// Theme Loading\n// ============================================================================\n\nlet BUILTIN_THEMES: Record<string, ThemeJson> | undefined;\n\nfunction getBuiltinThemes(): Record<string, ThemeJson> {\n\tif (!BUILTIN_THEMES) {\n\t\tconst themesDir = getThemesDir();\n\t\tconst darkPath = path.join(themesDir, \"dark.json\");\n\t\tconst lightPath = path.join(themesDir, \"light.json\");\n\t\tBUILTIN_THEMES = {\n\t\t\tdark: JSON.parse(fs.readFileSync(darkPath, \"utf-8\")) as ThemeJson,\n\t\t\tlight: JSON.parse(fs.readFileSync(lightPath, \"utf-8\")) as ThemeJson,\n\t\t};\n\t}\n\treturn BUILTIN_THEMES;\n}\n\nexport function getAvailableThemes(): string[] {\n\treturn getAvailableThemesWithPaths().map(({ name }) => name);\n}\n\nexport interface ThemeInfo {\n\tname: string;\n\tpath: string | undefined;\n}\n\nexport function getAvailableThemesWithPaths(): ThemeInfo[] {\n\tconst themesDir = getThemesDir();\n\tconst result: ThemeInfo[] = [];\n\tconst seen = new Set<string>();\n\tconst addTheme = (themeInfo: ThemeInfo) => {\n\t\tif (seen.has(themeInfo.name)) {\n\t\t\treturn;\n\t\t}\n\t\tseen.add(themeInfo.name);\n\t\tresult.push(themeInfo);\n\t};\n\n\t// Built-in themes\n\tfor (const name of Object.keys(getBuiltinThemes())) {\n\t\taddTheme({ name, path: path.join(themesDir, `${name}.json`) });\n\t}\n\n\t// Custom themes\n\tfor (const themeInfo of getCustomThemeInfos()) {\n\t\taddTheme(themeInfo);\n\t}\n\n\tfor (const [name, theme] of registeredThemes.entries()) {\n\t\taddTheme({ name, path: theme.sourcePath });\n\t}\n\n\treturn result.sort((a, b) => a.name.localeCompare(b.name));\n}\n\nfunction getCustomThemeInfos(): ThemeInfo[] {\n\tconst customThemesDir = getCustomThemesDir();\n\tconst result: ThemeInfo[] = [];\n\tif (!fs.existsSync(customThemesDir)) {\n\t\treturn result;\n\t}\n\n\tfor (const file of fs.readdirSync(customThemesDir)) {\n\t\tif (!file.endsWith(\".json\")) {\n\t\t\tcontinue;\n\t\t}\n\t\tconst themePath = path.join(customThemesDir, file);\n\t\ttry {\n\t\t\tconst customTheme = loadThemeFromPath(themePath);\n\t\t\tif (customTheme.name) {\n\t\t\t\tresult.push({ name: customTheme.name, path: themePath });\n\t\t\t}\n\t\t} catch {\n\t\t\t// Invalid themes are ignored here; the resource loader reports them\n\t\t\t// during normal startup/reload.\n\t\t}\n\t}\n\treturn result;\n}\n\nfunction parseThemeJson(label: string, json: unknown): ThemeJson {\n\tif (!validateThemeJson.Check(json)) {\n\t\tconst errors = Array.from(validateThemeJson.Errors(json));\n\t\tconst missingColors = new Set<string>();\n\t\tconst otherErrors: string[] = [];\n\n\t\tfor (const error of errors) {\n\t\t\tif (error.keyword === \"required\" && error.instancePath === \"/colors\") {\n\t\t\t\tconst requiredProperties = (error.params as { requiredProperties?: string[] }).requiredProperties;\n\t\t\t\tfor (const requiredProperty of requiredProperties ?? []) {\n\t\t\t\t\tmissingColors.add(requiredProperty);\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tconst path = error.instancePath || \"/\";\n\t\t\totherErrors.push(`  - ${path}: ${error.message}`);\n\t\t}\n\n\t\tlet errorMessage = `Invalid theme \"${label}\":\\n`;\n\t\tif (missingColors.size > 0) {\n\t\t\terrorMessage += \"\\nMissing required color tokens:\\n\";\n\t\t\terrorMessage += Array.from(missingColors)\n\t\t\t\t.sort()\n\t\t\t\t.map((color) => `  - ${color}`)\n\t\t\t\t.join(\"\\n\");\n\t\t\terrorMessage += '\\n\\nPlease add these colors to your theme\\'s \"colors\" object.';\n\t\t\terrorMessage += \"\\nSee the built-in themes (dark.json, light.json) for reference values.\";\n\t\t}\n\t\tif (otherErrors.length > 0) {\n\t\t\terrorMessage += `\\n\\nOther errors:\\n${otherErrors.join(\"\\n\")}`;\n\t\t}\n\n\t\tthrow new Error(errorMessage);\n\t}\n\n\treturn json as ThemeJson;\n}\n\nfunction parseThemeJsonContent(label: string, content: string): ThemeJson {\n\tlet json: unknown;\n\ttry {\n\t\tjson = JSON.parse(content);\n\t} catch (error) {\n\t\tthrow new Error(`Failed to parse theme ${label}: ${error}`);\n\t}\n\treturn parseThemeJson(label, json);\n}\n\nfunction loadThemeJson(name: string): ThemeJson {\n\tconst builtinThemes = getBuiltinThemes();\n\tif (name in builtinThemes) {\n\t\treturn builtinThemes[name];\n\t}\n\tconst registeredTheme = registeredThemes.get(name);\n\tif (registeredTheme?.sourcePath) {\n\t\tconst content = fs.readFileSync(registeredTheme.sourcePath, \"utf-8\");\n\t\treturn parseThemeJsonContent(registeredTheme.sourcePath, content);\n\t}\n\tif (registeredTheme) {\n\t\tthrow new Error(`Theme \"${name}\" does not have a source path for export`);\n\t}\n\tconst customThemesDir = getCustomThemesDir();\n\tconst themePath = path.join(customThemesDir, `${name}.json`);\n\tif (!fs.existsSync(themePath)) {\n\t\tthrow new Error(`Theme not found: ${name}`);\n\t}\n\tconst content = fs.readFileSync(themePath, \"utf-8\");\n\treturn parseThemeJsonContent(name, content);\n}\n\nfunction createTheme(themeJson: ThemeJson, mode?: ColorMode, sourcePath?: string): Theme {\n\tconst colorMode = mode ?? (getCapabilities().trueColor ? \"truecolor\" : \"256color\");\n\tconst resolvedColors = resolveThemeColors(themeJson.colors, themeJson.vars);\n\tconst fgColors: Record<ThemeColor, string | number> = {} as Record<ThemeColor, string | number>;\n\tconst bgColors: Record<ThemeBg, string | number> = {} as Record<ThemeBg, string | number>;\n\tconst bgColorKeys: Set<string> = new Set([\n\t\t\"selectedBg\",\n\t\t\"userMessageBg\",\n\t\t\"customMessageBg\",\n\t\t\"toolPendingBg\",\n\t\t\"toolSuccessBg\",\n\t\t\"toolErrorBg\",\n\t]);\n\tfor (const [key, value] of Object.entries(resolvedColors)) {\n\t\tif (bgColorKeys.has(key)) {\n\t\t\tbgColors[key as ThemeBg] = value;\n\t\t} else {\n\t\t\tfgColors[key as ThemeColor] = value;\n\t\t}\n\t}\n\treturn new Theme(fgColors, bgColors, colorMode, {\n\t\tname: themeJson.name,\n\t\tsourcePath,\n\t});\n}\n\nexport function loadThemeFromPath(themePath: string, mode?: ColorMode): Theme {\n\tconst content = fs.readFileSync(themePath, \"utf-8\");\n\tconst themeJson = parseThemeJsonContent(themePath, content);\n\treturn createTheme(themeJson, mode, themePath);\n}\n\nfunction loadTheme(name: string, mode?: ColorMode): Theme {\n\tconst registeredTheme = registeredThemes.get(name);\n\tif (registeredTheme) {\n\t\treturn registeredTheme;\n\t}\n\tconst themeJson = loadThemeJson(name);\n\treturn createTheme(themeJson, mode);\n}\n\nexport function getThemeByName(name: string): Theme | undefined {\n\ttry {\n\t\treturn loadTheme(name);\n\t} catch {\n\t\treturn undefined;\n\t}\n}\n\nexport type TerminalTheme = \"dark\" | \"light\";\n\nexport interface RgbColor {\n\tr: number;\n\tg: number;\n\tb: number;\n}\n\nexport interface TerminalThemeDetection {\n\ttheme: TerminalTheme;\n\tsource: \"terminal background\" | \"COLORFGBG\" | \"fallback\";\n\tdetail: string;\n\tconfidence: \"high\" | \"low\";\n}\n\nexport interface TerminalThemeDetectionOptions {\n\tenv?: NodeJS.ProcessEnv;\n}\n\nfunction getColorFgBgBackgroundIndex(colorfgbg: string): number | undefined {\n\tconst parts = colorfgbg.split(\";\");\n\tfor (let i = parts.length - 1; i >= 0; i--) {\n\t\tconst bg = parseInt(parts[i].trim(), 10);\n\t\tif (Number.isInteger(bg) && bg >= 0 && bg <= 255) {\n\t\t\treturn bg;\n\t\t}\n\t}\n\treturn undefined;\n}\n\nfunction getRgbColorLuminance({ r, g, b }: RgbColor): number {\n\tconst toLinear = (channel: number) => {\n\t\tconst value = channel / 255;\n\t\treturn value <= 0.03928 ? value / 12.92 : ((value + 0.055) / 1.055) ** 2.4;\n\t};\n\treturn 0.2126 * toLinear(r) + 0.7152 * toLinear(g) + 0.0722 * toLinear(b);\n}\n\nfunction getAnsiColorLuminance(index: number): number {\n\treturn getRgbColorLuminance(hexToRgb(ansi256ToHex(index)));\n}\n\nexport function getThemeForRgbColor(rgb: RgbColor): TerminalTheme {\n\treturn getRgbColorLuminance(rgb) >= 0.5 ? \"light\" : \"dark\";\n}\n\nfunction parseOscHexChannel(channel: string): number | undefined {\n\tif (!/^[0-9a-f]+$/i.test(channel)) {\n\t\treturn undefined;\n\t}\n\tconst max = 16 ** channel.length - 1;\n\tif (max <= 0) {\n\t\treturn undefined;\n\t}\n\treturn Math.round((parseInt(channel, 16) / max) * 255);\n}\n\nexport function parseOsc11BackgroundColor(data: string): RgbColor | undefined {\n\tconst match = data.match(/^\\x1b\\]11;([^\\x07\\x1b]*)(?:\\x07|\\x1b\\\\)$/i);\n\tif (!match) {\n\t\treturn undefined;\n\t}\n\n\tconst value = match[1].trim();\n\tif (value.startsWith(\"#\")) {\n\t\tconst hex = value.slice(1);\n\t\tif (/^[0-9a-f]{6}$/i.test(hex)) {\n\t\t\treturn hexToRgb(value);\n\t\t}\n\t\tif (/^[0-9a-f]{12}$/i.test(hex)) {\n\t\t\tconst r = parseOscHexChannel(hex.slice(0, 4));\n\t\t\tconst g = parseOscHexChannel(hex.slice(4, 8));\n\t\t\tconst b = parseOscHexChannel(hex.slice(8, 12));\n\t\t\treturn r !== undefined && g !== undefined && b !== undefined ? { r, g, b } : undefined;\n\t\t}\n\t\treturn undefined;\n\t}\n\n\tconst rgbValue = value.replace(/^rgba?:/i, \"\");\n\tconst [red, green, blue] = rgbValue.split(\"/\");\n\tif (red === undefined || green === undefined || blue === undefined) {\n\t\treturn undefined;\n\t}\n\tconst r = parseOscHexChannel(red);\n\tconst g = parseOscHexChannel(green);\n\tconst b = parseOscHexChannel(blue);\n\treturn r !== undefined && g !== undefined && b !== undefined ? { r, g, b } : undefined;\n}\n\nexport function detectTerminalBackground(options: TerminalThemeDetectionOptions = {}): TerminalThemeDetection {\n\tconst env = options.env ?? process.env;\n\tconst colorfgbg = env.COLORFGBG || \"\";\n\tconst bg = getColorFgBgBackgroundIndex(colorfgbg);\n\tif (bg !== undefined) {\n\t\treturn {\n\t\t\ttheme: getAnsiColorLuminance(bg) >= 0.5 ? \"light\" : \"dark\",\n\t\t\tsource: \"COLORFGBG\",\n\t\t\tdetail: `background color index ${bg}`,\n\t\t\tconfidence: \"high\",\n\t\t};\n\t}\n\n\treturn {\n\t\ttheme: \"dark\",\n\t\tsource: \"fallback\",\n\t\tdetail: \"no terminal background hint found\",\n\t\tconfidence: \"low\",\n\t};\n}\n\nexport function getDefaultTheme(): string {\n\treturn detectTerminalBackground().theme;\n}\n\n// ============================================================================\n// Global Theme Instance\n// ============================================================================\n\n// Use globalThis to share theme across module loaders (tsx + jiti in dev mode)\nconst THEME_KEY = Symbol.for(\"@earendil-works/pi-coding-agent:theme\");\nconst THEME_KEY_OLD = Symbol.for(\"@mariozechner/pi-coding-agent:theme\");\n\n// Export theme as a getter that reads from globalThis\n// This ensures all module instances (tsx, jiti) see the same theme\nexport const theme: Theme = new Proxy({} as Theme, {\n\tget(_target, prop) {\n\t\tconst t = (globalThis as Record<symbol, Theme>)[THEME_KEY];\n\t\tif (!t) throw new Error(\"Theme not initialized. Call initTheme() first.\");\n\t\treturn (t as unknown as Record<string | symbol, unknown>)[prop];\n\t},\n});\n\nfunction setGlobalTheme(t: Theme): void {\n\t(globalThis as Record<symbol, Theme>)[THEME_KEY] = t;\n\t(globalThis as Record<symbol, Theme>)[THEME_KEY_OLD] = t;\n}\n\nlet currentThemeName: string | undefined;\nlet themeWatcher: fs.FSWatcher | undefined;\nlet themeReloadTimer: NodeJS.Timeout | undefined;\nlet onThemeChangeCallback: (() => void) | undefined;\nconst registeredThemes = new Map<string, Theme>();\n\nexport function setRegisteredThemes(themes: Theme[]): void {\n\tregisteredThemes.clear();\n\tfor (const theme of themes) {\n\t\tif (theme.name) {\n\t\t\tregisteredThemes.set(theme.name, theme);\n\t\t}\n\t}\n}\n\nexport function initTheme(themeName?: string, enableWatcher: boolean = false): void {\n\tconst name = themeName ?? getDefaultTheme();\n\tcurrentThemeName = name;\n\ttry {\n\t\tsetGlobalTheme(loadTheme(name));\n\t\tif (enableWatcher) {\n\t\t\tstartThemeWatcher();\n\t\t}\n\t} catch (_error) {\n\t\t// Theme is invalid - fall back to dark theme silently\n\t\tcurrentThemeName = \"dark\";\n\t\tsetGlobalTheme(loadTheme(\"dark\"));\n\t\t// Don't start watcher for fallback theme\n\t}\n}\n\nexport function setTheme(name: string, enableWatcher: boolean = false): { success: boolean; error?: string } {\n\tcurrentThemeName = name;\n\ttry {\n\t\tsetGlobalTheme(loadTheme(name));\n\t\tif (enableWatcher) {\n\t\t\tstartThemeWatcher();\n\t\t}\n\t\tif (onThemeChangeCallback) {\n\t\t\tonThemeChangeCallback();\n\t\t}\n\t\treturn { success: true };\n\t} catch (error) {\n\t\t// Theme is invalid - fall back to dark theme\n\t\tcurrentThemeName = \"dark\";\n\t\tsetGlobalTheme(loadTheme(\"dark\"));\n\t\t// Don't start watcher for fallback theme\n\t\treturn {\n\t\t\tsuccess: false,\n\t\t\terror: error instanceof Error ? error.message : String(error),\n\t\t};\n\t}\n}\n\nexport function setThemeInstance(themeInstance: Theme): void {\n\tsetGlobalTheme(themeInstance);\n\tcurrentThemeName = \"<in-memory>\";\n\tstopThemeWatcher(); // Can't watch a direct instance\n\tif (onThemeChangeCallback) {\n\t\tonThemeChangeCallback();\n\t}\n}\n\nexport function onThemeChange(callback: () => void): void {\n\tonThemeChangeCallback = callback;\n}\n\nfunction startThemeWatcher(): void {\n\tstopThemeWatcher();\n\n\t// Only watch if it's a custom theme (not built-in)\n\tif (!currentThemeName || currentThemeName === \"dark\" || currentThemeName === \"light\") {\n\t\treturn;\n\t}\n\n\tconst customThemesDir = getCustomThemesDir();\n\tconst watchedThemeName = currentThemeName;\n\tconst watchedFileName = `${watchedThemeName}.json`;\n\tconst themeFile = path.join(customThemesDir, watchedFileName);\n\n\t// Only watch if the file exists\n\tif (!fs.existsSync(themeFile)) {\n\t\treturn;\n\t}\n\n\tconst scheduleReload = () => {\n\t\tif (themeReloadTimer) {\n\t\t\tclearTimeout(themeReloadTimer);\n\t\t}\n\t\tthemeReloadTimer = setTimeout(() => {\n\t\t\tthemeReloadTimer = undefined;\n\n\t\t\t// Ignore stale timers after switching themes or stopping the watcher\n\t\t\tif (currentThemeName !== watchedThemeName) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Keep the last successfully loaded theme active if the file is temporarily missing\n\t\t\tif (!fs.existsSync(themeFile)) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\ttry {\n\t\t\t\t// Reload the theme from disk and refresh the registry cache\n\t\t\t\tconst reloadedTheme = loadThemeFromPath(themeFile);\n\t\t\t\tregisteredThemes.set(watchedThemeName, reloadedTheme);\n\t\t\t\tsetGlobalTheme(reloadedTheme);\n\t\t\t\t// Notify callback (to invalidate UI)\n\t\t\t\tif (onThemeChangeCallback) {\n\t\t\t\t\tonThemeChangeCallback();\n\t\t\t\t}\n\t\t\t} catch (_error) {\n\t\t\t\t// Ignore errors (file might be in invalid state while being edited)\n\t\t\t}\n\t\t}, 100);\n\t};\n\n\tthemeWatcher =\n\t\twatchWithErrorHandler(\n\t\t\tcustomThemesDir,\n\t\t\t(_eventType, filename) => {\n\t\t\t\tif (currentThemeName !== watchedThemeName) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tif (!filename) {\n\t\t\t\t\tscheduleReload();\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tif (filename !== watchedFileName) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tscheduleReload();\n\t\t\t},\n\t\t\t() => {\n\t\t\t\tcloseWatcher(themeWatcher);\n\t\t\t\tthemeWatcher = undefined;\n\t\t\t},\n\t\t) ?? undefined;\n}\n\nexport function stopThemeWatcher(): void {\n\tif (themeReloadTimer) {\n\t\tclearTimeout(themeReloadTimer);\n\t\tthemeReloadTimer = undefined;\n\t}\n\tcloseWatcher(themeWatcher);\n\tthemeWatcher = undefined;\n}\n\n// ============================================================================\n// HTML Export Helpers\n// ============================================================================\n\n/**\n * Convert a 256-color index to hex string.\n * Indices 0-15: basic colors (approximate)\n * Indices 16-231: 6x6x6 color cube\n * Indices 232-255: grayscale ramp\n */\nfunction ansi256ToHex(index: number): string {\n\t// Basic colors (0-15) - approximate common terminal values\n\tconst basicColors = [\n\t\t\"#000000\",\n\t\t\"#800000\",\n\t\t\"#008000\",\n\t\t\"#808000\",\n\t\t\"#000080\",\n\t\t\"#800080\",\n\t\t\"#008080\",\n\t\t\"#c0c0c0\",\n\t\t\"#808080\",\n\t\t\"#ff0000\",\n\t\t\"#00ff00\",\n\t\t\"#ffff00\",\n\t\t\"#0000ff\",\n\t\t\"#ff00ff\",\n\t\t\"#00ffff\",\n\t\t\"#ffffff\",\n\t];\n\tif (index < 16) {\n\t\treturn basicColors[index];\n\t}\n\n\t// Color cube (16-231): 6x6x6 = 216 colors\n\tif (index < 232) {\n\t\tconst cubeIndex = index - 16;\n\t\tconst r = Math.floor(cubeIndex / 36);\n\t\tconst g = Math.floor((cubeIndex % 36) / 6);\n\t\tconst b = cubeIndex % 6;\n\t\tconst toHex = (n: number) => (n === 0 ? 0 : 55 + n * 40).toString(16).padStart(2, \"0\");\n\t\treturn `#${toHex(r)}${toHex(g)}${toHex(b)}`;\n\t}\n\n\t// Grayscale (232-255): 24 shades\n\tconst gray = 8 + (index - 232) * 10;\n\tconst grayHex = gray.toString(16).padStart(2, \"0\");\n\treturn `#${grayHex}${grayHex}${grayHex}`;\n}\n\n/**\n * Get resolved theme colors as CSS-compatible hex strings.\n * Used by HTML export to generate CSS custom properties.\n */\nexport function getResolvedThemeColors(themeName?: string): Record<string, string> {\n\tconst name = themeName ?? currentThemeName ?? getDefaultTheme();\n\tconst isLight = name === \"light\";\n\tconst themeJson = loadThemeJson(name);\n\tconst resolved = resolveThemeColors(themeJson.colors, themeJson.vars);\n\n\t// Default text color for empty values (terminal uses default fg color)\n\tconst defaultText = isLight ? \"#000000\" : \"#e5e5e7\";\n\n\tconst cssColors: Record<string, string> = {};\n\tfor (const [key, value] of Object.entries(resolved)) {\n\t\tif (typeof value === \"number\") {\n\t\t\tcssColors[key] = ansi256ToHex(value);\n\t\t} else if (value === \"\") {\n\t\t\t// Empty means default terminal color - use sensible fallback for HTML\n\t\t\tcssColors[key] = defaultText;\n\t\t} else {\n\t\t\tcssColors[key] = value;\n\t\t}\n\t}\n\treturn cssColors;\n}\n\n/**\n * Check if a theme is a \"light\" theme (for CSS that needs light/dark variants).\n */\nexport function isLightTheme(themeName?: string): boolean {\n\t// Currently just check the name - could be extended to analyze colors\n\treturn themeName === \"light\";\n}\n\n/**\n * Get explicit export colors from theme JSON, if specified.\n * Returns undefined for each color that isn't explicitly set.\n */\nexport function getThemeExportColors(themeName?: string): {\n\tpageBg?: string;\n\tcardBg?: string;\n\tinfoBg?: string;\n} {\n\tconst name = themeName ?? currentThemeName ?? getDefaultTheme();\n\ttry {\n\t\tconst themeJson = loadThemeJson(name);\n\t\tconst exportSection = themeJson.export;\n\t\tif (!exportSection) return {};\n\n\t\tconst vars = themeJson.vars ?? {};\n\t\tconst resolve = (value: ColorValue | undefined): string | undefined => {\n\t\t\tif (value === undefined) return undefined;\n\t\t\tconst resolved = resolveVarRefs(value, vars);\n\t\t\tif (typeof resolved === \"number\") return ansi256ToHex(resolved);\n\t\t\tif (resolved === \"\") return undefined;\n\t\t\treturn resolved;\n\t\t};\n\n\t\treturn {\n\t\t\tpageBg: resolve(exportSection.pageBg),\n\t\t\tcardBg: resolve(exportSection.cardBg),\n\t\t\tinfoBg: resolve(exportSection.infoBg),\n\t\t};\n\t} catch {\n\t\treturn {};\n\t}\n}\n\n// ============================================================================\n// TUI Helpers\n// ============================================================================\n\ntype CliHighlightTheme = Record<string, (s: string) => string>;\n\nlet cachedHighlightThemeFor: Theme | undefined;\nlet cachedCliHighlightTheme: CliHighlightTheme | undefined;\n\nfunction buildCliHighlightTheme(t: Theme): CliHighlightTheme {\n\treturn {\n\t\tkeyword: (s: string) => t.fg(\"syntaxKeyword\", s),\n\t\tbuilt_in: (s: string) => t.fg(\"syntaxType\", s),\n\t\tliteral: (s: string) => t.fg(\"syntaxNumber\", s),\n\t\tnumber: (s: string) => t.fg(\"syntaxNumber\", s),\n\t\tregexp: (s: string) => t.fg(\"syntaxString\", s),\n\t\tstring: (s: string) => t.fg(\"syntaxString\", s),\n\t\tcomment: (s: string) => t.fg(\"syntaxComment\", s),\n\t\tdoctag: (s: string) => t.fg(\"syntaxComment\", s),\n\t\tmeta: (s: string) => t.fg(\"muted\", s),\n\t\tfunction: (s: string) => t.fg(\"syntaxFunction\", s),\n\t\ttitle: (s: string) => t.fg(\"syntaxFunction\", s),\n\t\tclass: (s: string) => t.fg(\"syntaxType\", s),\n\t\ttype: (s: string) => t.fg(\"syntaxType\", s),\n\t\ttag: (s: string) => t.fg(\"syntaxPunctuation\", s),\n\t\tname: (s: string) => t.fg(\"syntaxKeyword\", s),\n\t\tattr: (s: string) => t.fg(\"syntaxVariable\", s),\n\t\tvariable: (s: string) => t.fg(\"syntaxVariable\", s),\n\t\tparams: (s: string) => t.fg(\"syntaxVariable\", s),\n\t\toperator: (s: string) => t.fg(\"syntaxOperator\", s),\n\t\tpunctuation: (s: string) => t.fg(\"syntaxPunctuation\", s),\n\t\temphasis: (s: string) => t.italic(s),\n\t\tstrong: (s: string) => t.bold(s),\n\t\tlink: (s: string) => t.underline(s),\n\t\taddition: (s: string) => t.fg(\"toolDiffAdded\", s),\n\t\tdeletion: (s: string) => t.fg(\"toolDiffRemoved\", s),\n\t};\n}\n\nfunction getCliHighlightTheme(t: Theme): CliHighlightTheme {\n\tif (cachedHighlightThemeFor !== t || !cachedCliHighlightTheme) {\n\t\tcachedHighlightThemeFor = t;\n\t\tcachedCliHighlightTheme = buildCliHighlightTheme(t);\n\t}\n\treturn cachedCliHighlightTheme;\n}\n\n/**\n * Highlight code with syntax coloring based on file extension or language.\n * Returns array of highlighted lines.\n */\nexport function highlightCode(code: string, lang?: string): string[] {\n\t// Validate language before highlighting to avoid stderr spam from cli-highlight\n\tconst validLang = lang && supportsLanguage(lang) ? lang : undefined;\n\t// Skip highlighting when no valid language is specified. cli-highlight's\n\t// auto-detection is unreliable and can misidentify prose as AppleScript,\n\t// LiveCodeServer, etc., coloring random English words as keywords.\n\tif (!validLang) {\n\t\treturn code.split(\"\\n\").map((line) => theme.fg(\"mdCodeBlock\", line));\n\t}\n\tconst opts = {\n\t\tlanguage: validLang,\n\t\tignoreIllegals: true,\n\t\ttheme: getCliHighlightTheme(theme),\n\t};\n\ttry {\n\t\treturn highlight(code, opts).split(\"\\n\");\n\t} catch {\n\t\treturn code.split(\"\\n\");\n\t}\n}\n\n/**\n * Get language identifier from file path extension.\n */\nexport function getLanguageFromPath(filePath: string): string | undefined {\n\tconst ext = filePath.split(\".\").pop()?.toLowerCase();\n\tif (!ext) return undefined;\n\n\tconst extToLang: Record<string, string> = {\n\t\tts: \"typescript\",\n\t\ttsx: \"typescript\",\n\t\tjs: \"javascript\",\n\t\tjsx: \"javascript\",\n\t\tmjs: \"javascript\",\n\t\tcjs: \"javascript\",\n\t\tpy: \"python\",\n\t\trb: \"ruby\",\n\t\trs: \"rust\",\n\t\tgo: \"go\",\n\t\tjava: \"java\",\n\t\tkt: \"kotlin\",\n\t\tswift: \"swift\",\n\t\tc: \"c\",\n\t\th: \"c\",\n\t\tcpp: \"cpp\",\n\t\tcc: \"cpp\",\n\t\tcxx: \"cpp\",\n\t\thpp: \"cpp\",\n\t\tcs: \"csharp\",\n\t\tphp: \"php\",\n\t\tsh: \"bash\",\n\t\tbash: \"bash\",\n\t\tzsh: \"bash\",\n\t\tfish: \"fish\",\n\t\tps1: \"powershell\",\n\t\tsql: \"sql\",\n\t\thtml: \"html\",\n\t\thtm: \"html\",\n\t\tcss: \"css\",\n\t\tscss: \"scss\",\n\t\tsass: \"sass\",\n\t\tless: \"less\",\n\t\tjson: \"json\",\n\t\tyaml: \"yaml\",\n\t\tyml: \"yaml\",\n\t\ttoml: \"toml\",\n\t\txml: \"xml\",\n\t\tmd: \"markdown\",\n\t\tmarkdown: \"markdown\",\n\t\tdockerfile: \"dockerfile\",\n\t\tmakefile: \"makefile\",\n\t\tcmake: \"cmake\",\n\t\tlua: \"lua\",\n\t\tperl: \"perl\",\n\t\tr: \"r\",\n\t\tscala: \"scala\",\n\t\tclj: \"clojure\",\n\t\tex: \"elixir\",\n\t\texs: \"elixir\",\n\t\terl: \"erlang\",\n\t\ths: \"haskell\",\n\t\tml: \"ocaml\",\n\t\tvim: \"vim\",\n\t\tgraphql: \"graphql\",\n\t\tproto: \"protobuf\",\n\t\ttf: \"hcl\",\n\t\thcl: \"hcl\",\n\t};\n\n\treturn extToLang[ext];\n}\n\nexport function getMarkdownTheme(): MarkdownTheme {\n\treturn {\n\t\theading: (text: string) => theme.fg(\"mdHeading\", text),\n\t\tlink: (text: string) => theme.fg(\"mdLink\", text),\n\t\tlinkUrl: (text: string) => theme.fg(\"mdLinkUrl\", text),\n\t\tcode: (text: string) => theme.fg(\"mdCode\", text),\n\t\tcodeBlock: (text: string) => theme.fg(\"mdCodeBlock\", text),\n\t\tcodeBlockBorder: (text: string) => theme.fg(\"mdCodeBlockBorder\", text),\n\t\tquote: (text: string) => theme.fg(\"mdQuote\", text),\n\t\tquoteBorder: (text: string) => theme.fg(\"mdQuoteBorder\", text),\n\t\thr: (text: string) => theme.fg(\"mdHr\", text),\n\t\tlistBullet: (text: string) => theme.fg(\"mdListBullet\", text),\n\t\tbold: (text: string) => theme.bold(text),\n\t\titalic: (text: string) => theme.italic(text),\n\t\tunderline: (text: string) => theme.underline(text),\n\t\tstrikethrough: (text: string) => chalk.strikethrough(text),\n\t\thighlightCode: (code: string, lang?: string): string[] => {\n\t\t\t// Validate language before highlighting to avoid stderr spam from cli-highlight\n\t\t\tconst validLang = lang && supportsLanguage(lang) ? lang : undefined;\n\t\t\t// Skip highlighting when no valid language is specified. cli-highlight's\n\t\t\t// auto-detection is unreliable and can misidentify prose as AppleScript,\n\t\t\t// LiveCodeServer, etc., coloring random English words as keywords.\n\t\t\tif (!validLang) {\n\t\t\t\treturn code.split(\"\\n\").map((line) => theme.fg(\"mdCodeBlock\", line));\n\t\t\t}\n\t\t\tconst opts = {\n\t\t\t\tlanguage: validLang,\n\t\t\t\tignoreIllegals: true,\n\t\t\t\ttheme: getCliHighlightTheme(theme),\n\t\t\t};\n\t\t\ttry {\n\t\t\t\treturn highlight(code, opts).split(\"\\n\");\n\t\t\t} catch {\n\t\t\t\treturn code.split(\"\\n\").map((line) => theme.fg(\"mdCodeBlock\", line));\n\t\t\t}\n\t\t},\n\t};\n}\n\nexport function getSelectListTheme(): SelectListTheme {\n\treturn {\n\t\tselectedPrefix: (text: string) => theme.fg(\"accent\", text),\n\t\tselectedText: (text: string) => theme.fg(\"accent\", text),\n\t\tdescription: (text: string) => theme.fg(\"muted\", text),\n\t\tscrollInfo: (text: string) => theme.fg(\"muted\", text),\n\t\tnoMatch: (text: string) => theme.fg(\"muted\", text),\n\t};\n}\n\nexport function getEditorTheme(): EditorTheme {\n\treturn {\n\t\tborderColor: (text: string) => theme.fg(\"borderMuted\", text),\n\t\tselectList: getSelectListTheme(),\n\t};\n}\n\nexport function getSettingsListTheme(): SettingsListTheme {\n\treturn {\n\t\tlabel: (text: string, selected: boolean) => (selected ? theme.fg(\"accent\", text) : text),\n\t\tvalue: (text: string, selected: boolean) => (selected ? theme.fg(\"accent\", text) : theme.fg(\"muted\", text)),\n\t\tdescription: (text: string) => theme.fg(\"dim\", text),\n\t\tcursor: theme.fg(\"accent\", \"→ \"),\n\t\thint: (text: string) => theme.fg(\"dim\", text),\n\t};\n}\n"]}