feat(tsview): add database and S3 handlers, tswatch/watch scripts, web utilities, assets and release config

ts_web/utilities/formatters.ts

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+/**
+ * Shared formatting utilities for tsview web components
+ */
+
+/**
+ * Format a byte size into a human-readable string
+ * @param bytes - Size in bytes (can be undefined for S3 folders)
+ * @returns Formatted size string (e.g., "1.5 MB")
+ */
+export function formatSize(bytes?: number): string {
+  if (bytes === undefined || bytes === null) return '-';
+  if (bytes === 0) return '0 B';
+
+  const units = ['B', 'KB', 'MB', 'GB', 'TB'];
+  let size = bytes;
+  let unitIndex = 0;
+
+  while (size >= 1024 && unitIndex < units.length - 1) {
+    size /= 1024;
+    unitIndex++;
+  }
+
+  return `${size.toFixed(unitIndex > 0 ? 1 : 0)} ${units[unitIndex]}`;
+}
+
+/**
+ * Format a count into a compact human-readable string
+ * @param count - The count number (can be undefined)
+ * @returns Formatted count string (e.g., "1.5K", "2.3M")
+ */
+export function formatCount(count?: number): string {
+  if (count === undefined || count === null) return '';
+  if (count >= 1000000) return `${(count / 1000000).toFixed(1)}M`;
+  if (count >= 1000) return `${(count / 1000).toFixed(1)}K`;
+  return count.toString();
+}
+
+/**
+ * Extract the file name from a path
+ * @param path - Full file path (e.g., "folder/subfolder/file.txt")
+ * @returns File name (e.g., "file.txt")
+ */
+export function getFileName(path: string): string {
+  const parts = path.replace(/\/$/, '').split('/');
+  return parts[parts.length - 1] || path;
+}

ts_web/utilities/index.ts

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+export * from './formatters.js';