Function formatSchemaOutput

backend/api/mcp/tool_schema.go:663–683

formatSchemaOutput produces a text header + JSON body (same pattern as query_database).

(output *SchemaOutput, include string, warnings []string)

// formatSchemaOutput produces a text header + JSON body (same pattern as query_database).
func formatSchemaOutput(output *SchemaOutput, include string, warnings []string) string {
	var sb strings.Builder

	for _, w := range warnings {
		fmt.Fprintf(&sb, "Note: %s\n", w)
	}

	fmt.Fprintf(&sb, "Database: %s (%s)\n", output.Database, output.Engine)

	if output.Table != nil {
		writeTableHeader(&sb, output.Table)
	} else {
		writeSchemasHeader(&sb, output.Schemas, include)
	}

	sb.WriteString("\n")
	jsonBytes, _ := json.Marshal(output)
	sb.Write(jsonBytes)

	return sb.String()
}

// writeTableHeader writes the single-table header line.
func writeTableHeader(sb *strings.Builder, t *TableDetail) {