feat: add wiki mvp commands (#532)

src/services/wiki/utils.ts

@@ -0,0 +1,36 @@
+export function sanitizeWikiSlug(value: string): string {
+  return value
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, '-')
+    .replace(/^-+|-+$/g, '')
+    .replace(/-{2,}/g, '-')
+}
+
+export function summarizeText(input: string, maxLength = 280): string {
+  const normalized = input.replace(/\s+/g, ' ').trim()
+  if (!normalized) {
+    return 'No summary available.'
+  }
+
+  if (normalized.length <= maxLength) {
+    return normalized
+  }
+
+  return `${normalized.slice(0, maxLength - 1).trimEnd()}…`
+}
+
+export function extractTitleFromText(
+  fallbackName: string,
+  content: string,
+): string {
+  const firstNonEmptyLine = content
+    .split('\n')
+    .map(line => line.trim())
+    .find(Boolean)
+
+  if (!firstNonEmptyLine) {
+    return fallbackName
+  }
+
+  return firstNonEmptyLine.replace(/^#+\s*/, '') || fallbackName
+}