Method handleSearch

src/mcp/tools.ts:2159–2193

* Handle codegraph_search

(args: Record<string, unknown>)

   * Handle codegraph_search
   */
  private async handleSearch(args: Record<string, unknown>): Promise<ToolResult> {
    const query = this.validateString(args.query, 'query');
    if (typeof query !== 'string') return query;

    const cg = this.getCodeGraph(args.projectPath as string | undefined);
    const rawKind = args.kind as string | undefined;
    // The schema enum says 'type' (what agents naturally reach for); the
    // NodeKind is 'type_alias'. Without the mapping, kind: "type" silently
    // matched nothing — a filter value we advertise must work.
    const kind = rawKind === 'type' ? 'type_alias' : rawKind;
    const rawLimit = Number(args.limit) || 10;
    const limit = clamp(rawLimit, 1, 100);

    const results = cg.searchNodes(query, {
      limit,
      kinds: kind ? [kind as NodeKind] : undefined,
    });

    if (results.length === 0) {
      return this.textResult(`No results found for "${query}"`);
    }

    // Down-rank generated files within the FTS-returned set so a search
    // for "Send" surfaces the hand-written keeper before .pb.go stubs
    // that share the name. Stable: only reorders generated vs. not.
    const isGen = cg.generatedFilePredicate(results.map((r) => r.node.filePath));
    const ranked = [...results].sort((a, b) => {
      const aGen = isGen(a.node.filePath) ? 1 : 0;
      const bGen = isGen(b.node.filePath) ? 1 : 0;
      return aGen - bGen;
    });

    const formatted = this.formatSearchResults(ranked);
    return this.textResult(this.truncateOutput(formatted));
  }

  /**
   * Group symbol matches into DISTINCT DEFINITIONS — one group per