Appends a "Pot: X kg, Water: Y kg, Grain Z kg, total W kg" breakdown to the status bar's step line, using the pot_mass already in the loaded doc (captured from Sud._parse_data(), previously discarded) and the current step's already-resolved grain_mass/water_mass from self.sud_schedule. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DkkuG48uHFCGKe6dPSERFk