Concept Grid Generator

Generates a single "concept grid" image — a labeled comparison sheet showing several DISTINCT motif/icon concepts as tiles side by side, one locked palette and one locked rendering technique held constant across every tile — and actually renders it via the ideogram MCP tools, not just drafts a prompt. Use whenever the user wants to compare multiple genuinely different icon/motif ideas cheaply before committing to a full board, asks for a "concept grid," "icon exploration grid," "concept comparison sheet," or "let's see a few directions before we build the full sheet," or is choosing between candidate motifs for a mark that will later go into `brand-identity-sheet` or `cha…