Function clientSearch

web/lib/search/client-search.ts:65–163

(
  conversations: Conversation[],
  query: string,
  filters: SearchFilters = {}
)

 * Returns results sorted by relevance (highest score first).
 */
export function clientSearch(
  conversations: Conversation[],
  query: string,
  filters: SearchFilters = {}
): SearchResult[] {
  const tokens = tokenize(query);
  if (tokens.length === 0 && !hasActiveFilters(filters)) return [];

  const results: SearchResult[] = [];
  const now = Date.now();

  for (const conv of conversations) {
    // --- Date filter ---
    if (filters.dateFrom && conv.updatedAt < filters.dateFrom) continue;
    if (filters.dateTo && conv.updatedAt > filters.dateTo + 86_400_000) continue;

    // --- Conversation filter ---
    if (filters.conversationId && conv.id !== filters.conversationId) continue;

    // --- Model filter ---
    if (filters.model && conv.model !== filters.model) continue;

    // --- Tag filter ---
    if (filters.tagIds && filters.tagIds.length > 0) {
      const convTags = new Set(conv.tags ?? []);
      if (!filters.tagIds.some((tid) => convTags.has(tid))) continue;
    }

    const matches: SearchResultMatch[] = [];
    let titleScore = 0;

    // Score the conversation title
    if (tokens.length > 0) {
      titleScore = scoreText(conv.title, tokens) * 1.5; // title matches weight more
    }

    for (const msg of conv.messages) {
      // --- Role filter ---
      if (filters.role && msg.role !== filters.role) continue;

      // --- Content type filter ---
      if (filters.contentType) {
        const hasType = matchesContentType(msg.content, filters.contentType);
        if (!hasType) continue;
      }

      const text = messageText(msg.content);
      if (!text) continue;

      let msgScore = tokens.length > 0 ? scoreText(text, tokens) : 1;
      if (msgScore === 0) continue;

      const ex = excerpt(text, query);
      const hl = highlight(ex, query);

      matches.push({
        messageId: msg.id,
        role: msg.role,