Function decodeAssetPreview

src/services/packagePreview.ts:998–1036

(
	pkg: QuickAddPackage,
	originalPath: string,
)

 * when the user expands a file, never during initial analysis.
 */
export function decodeAssetPreview(
	pkg: QuickAddPackage,
	originalPath: string,
): AssetPreviewContent {
	const asset = pkg.assets.find((a) => a.originalPath === originalPath);
	if (!asset) {
		return {
			found: false,
			text: "",
			truncated: false,
			sizeBytes: 0,
			looksMinified: false,
			error: "File is not bundled in this package.",
		};
	}

	try {
		const decoded = decodeFromBase64(asset.content);
		const truncated = decoded.length > MAX_PREVIEW_CHARS;
		const text = truncated ? decoded.slice(0, MAX_PREVIEW_CHARS) : decoded;
		return {
			found: true,
			text,
			truncated,
			sizeBytes: byteLength(decoded),
			// Scan only the previewed slice — enough to spot minification.
			looksMinified: looksMinified(text),
		};
	} catch (error) {
		return {
			found: true,
			text: "",
			truncated: false,
			sizeBytes: 0,
			looksMinified: false,
			error: error instanceof Error ? error.message : String(error),
		};
	}
}

/** A package needs explicit acknowledgement when it has any critical capability. */
export function requiresAcknowledgement(preview: PackagePreview): boolean {