Add the licensed Joke Shop reference board

MEMORY.md

@@ -12,6 +12,12 @@ Session memory for durable decisions, state, and gotchas. Keep concise, remove o
   rapid thumbnail downloads (HTTP 429) - fetch all metadata in one `titles=A|B|C` query and space
   the downloads. `check_docs` requires each image to be linked from its folder `README.md`, so each
   venue folder needs both `README.md` (board) and `SIDECAR.md` (provenance).
+- **Joke Shop reference board (2026-11-03):** three photos in `docs/screens/refs/joke-shop/` (PD x2
+  by Gary Minnaert 2006, CC BY 2.0 by Tony Mariotti 2020) covering the hillside/canopy block, the
+  frontage with palms and the signature-band/curtain detail. `The Comedy Store.jpg` (CC BY-SA 3.0)
+  from the old link list was deliberately skipped: the PD frames cover the same evidence and no
+  share-alike review was needed. The CC BY file requests a dofollow link, recorded in its sidecar
+  and CREDITS.
 - **Imagery evidence model (2026-11-03):** `TODO.md` now separates three image sources that must
   not be mixed: licensed real-location photos (evidence of what a place looks like), generated
   concept boards (art-direction proposals with model/prompt/spend provenance), and build captures