Agents using the bundled KiCad schematic skill place generic R and C symbols with only Reference and Value. The schematic passes ERC clean, then fails PCBA checks at JLCPCB for missing LCSC, MPN and Manufacturer fields, and someone fills them in by hand.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.