Generate multi-model anchored concepts, drop old Comedy Store refs, and trim the concept gallery

docs/screens/boards/README.md

@@ -15,4 +15,4 @@ attribution lives in the caption and the [refs sidecars](../refs/README.md)).
 | --- | --- |
 | ![three-up board: elcapitan day](elcapitan-day-board.jpg) | El Capitan facade, day. Photo: [CC BY 2.0, woo, 2009](https://commons.wikimedia.org/wiki/File:El_Capitan_Theater_frontal_fachade-The_Masonic_Temple.jpg) via `refs/hollywood`. Concept: photo-anchored generation. Capture: current build with the ashlar limestone field (`limestone_ashlar`, anchored on the same photo). |
 | ![three-up board: elcapitan night](elcapitan-night-board.jpg) | El Capitan block, night. Photo: CC BY-SA 3.0 (reviewed; redistribution only, no derived assets) via `refs/hollywood`. Concept: photo-anchored night restage. Capture: current build. |
-| ![three-up board: jokeshop day](jokeshop-day-board.jpg) | Joke Shop frontage, day. Photo: public domain (2006) via `refs/joke-shop`. Concept: photo-anchored (hillside frame; the branded frontage trips the model's recitation filter). Capture: current build with the `dark_stucco` wall tile. |
+| ![three-up board: jokeshop day](jokeshop-day-board.jpg) | Joke Shop frontage, day. Photo: local-only research frame (`tmp/research/comedy-store`, gitignored). Concept: photo-anchored (gemini + gpt). Capture: current build with the `dark_stucco` wall tile. |

docs/screens/boards/jokeshop-day-board.json

@@ -1,7 +1,7 @@
 {
   "board": "jokeshop-day-board.jpg",
-  "caption": "Joke Shop frontage, day. Photo: public domain 2006. Concept: photo-anchored (hillside frame). Capture: dark stucco wall tile.",
-  "photo": "docs/screens/refs/joke-shop/comedy-store-frontage-palms-day-pd-2006-12-29.jpg",
+  "caption": "Joke Shop frontage, day. Photo: local-only research frame (tmp/research/comedy-store). Concept: photo-anchored (gemini + gpt). Capture: dark stucco wall tile.",
+  "photo": "tmp/research/comedy-store/01.jpg (local-only, gitignored)",
   "concept": "docs/screens/concepts/joke_shop/joke_shop_entrance_day-v2.png",
   "capture": "docs/screenshots/12-joke-shop.png"
 }