feat: add street-lantern and treasure-chest showcase pieces (#154)

* feat: add street-lantern showcase piece

Named well/barrel/campfire/stall list is exhausted; this is the ROADMAP hanging-lantern silhouette prop with budgets fitted to the generated mesh.

Signed-off-by: TMHSDigital <154358121+TMHSDigital@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

* feat: add treasure-chest showcase piece

Companion ROADMAP silhouette prop: slatted open chest with iron bands; budgets fitted to the generated mesh.

Signed-off-by: TMHSDigital <154358121+TMHSDigital@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Signed-off-by: TMHSDigital <154358121+TMHSDigital@users.noreply.github.com>
Co-authored-by: Cursor <cursoragent@cursor.com>

Author: TMHSDigital

.cursor-plugin/plugin.json

@@ -142,6 +142,8 @@
     "showcase/stone-well",
     "showcase/wooden-barrel",
     "showcase/campfire",
-    "showcase/market-stall"
+    "showcase/market-stall",
+    "showcase/street-lantern",
+    "showcase/treasure-chest"
   ]
 }

AGENTS.md

@@ -21,7 +21,7 @@ classifies it as a `cursor-plugin`. This is content the AI loads when the user
 asks Blender questions or works on Blender add-ons in Cursor or Claude Code.
 
 The content base is 16 skills, 9 rules, 3 templates, 27 snippets, 59
-examples, and 5 showcase pieces (counts are CI-enforced against README.md
+examples, and 7 showcase pieces (counts are CI-enforced against README.md
 and the manifest). The full inventory tables and per-item purposes live in
 `CLAUDE.md`. Example anatomy and authoring rules: copy `examples/bmesh-gear/`;
 showcase conventions: `showcase/README.md`. The render look is specified

CLAUDE.md

@@ -22,7 +22,7 @@ rules/<rule-name>.mdc          - Anti-pattern rules, 9 total
 templates/<template-name>/     - Starter projects, 3 total
 snippets/<snippet-name>.py     - Standalone code patterns, 27 total
 examples/<name>/               - Runnable smoke-gated examples, 59 total (+ gallery.json)
-showcase/<name>/               - Budget-conformance props, 5 pieces (sibling of examples/; see showcase/README.md)
+showcase/<name>/               - Budget-conformance props, 7 pieces (sibling of examples/; see showcase/README.md)
 scripts/build_gallery.py       - Regenerates docs/gallery/ from examples/gallery.json + showcase/gallery.json
 scripts/site/                  - Vendored landing-page build (Jinja2)
 docs/gallery/                  - Committed generated gallery pages + hero renders

README.md

@@ -18,7 +18,7 @@
 </p>
 
 <p align="center">
-  <strong>16 skills</strong> &nbsp;&bull;&nbsp; <strong>9 rules</strong> &nbsp;&bull;&nbsp; <strong>3 templates</strong> &nbsp;&bull;&nbsp; <strong>27 snippets</strong> &nbsp;&bull;&nbsp; <strong>59 examples</strong> &nbsp;&bull;&nbsp; <strong>5 showcase pieces</strong>
+  <strong>16 skills</strong> &nbsp;&bull;&nbsp; <strong>9 rules</strong> &nbsp;&bull;&nbsp; <strong>3 templates</strong> &nbsp;&bull;&nbsp; <strong>27 snippets</strong> &nbsp;&bull;&nbsp; <strong>59 examples</strong> &nbsp;&bull;&nbsp; <strong>7 showcase pieces</strong>
 </p>
 
 <p align="center">
@@ -37,7 +37,7 @@
 
 ## Overview
 
-This repository ships **16 skills, 9 rules, 3 templates, 27 snippets, 59 examples, and 5 showcase pieces** for Blender Python development targeting Blender 5.2 LTS (current stable) with Blender 4.5 LTS fallback support. Blender 5.1 is prior stable.
+This repository ships **16 skills, 9 rules, 3 templates, 27 snippets, 59 examples, and 7 showcase pieces** for Blender Python development targeting Blender 5.2 LTS (current stable) with Blender 4.5 LTS fallback support. Blender 5.1 is prior stable.
 
 The content is consumed by AI coding agents (Cursor, Claude Code, any MCP-capable client) when working on Blender add-ons, geometry nodes scripts, batch pipelines, or animation tooling. There is no build step. Edit the markdown and Python files directly.
 
@@ -80,6 +80,8 @@ Budget-conformance props. Not examples. Conventions: [`showcase/README.md`](show
 <a href="showcase/wooden-barrel/"><img src="showcase/wooden-barrel/preview.webp" alt="Wooden barrel: a staved barrel with iron hoops on a dark studio floor, warm wedge on the back wall" /></a>
 <a href="showcase/campfire/"><img src="showcase/campfire/preview.webp" alt="Campfire: a two-course stone fire ring with a tripod of logs on a dark studio floor, warm wedge on the back wall" /></a>
 <a href="showcase/market-stall/"><img src="showcase/market-stall/preview.webp" alt="Market stall: a timber frame with post feet, slatted counter, rafters, and a striped awning on a dark studio floor, warm wedge on the back wall" /></a>
+<a href="showcase/street-lantern/"><img src="showcase/street-lantern/preview.webp" alt="Street lantern: an iron post with brass collars, a braced arm, and a muntined amber cage on a dark studio floor" /></a>
+<a href="showcase/treasure-chest/"><img src="showcase/treasure-chest/preview.webp" alt="Treasure chest: a slatted wooden chest with iron bands, corner brackets, and an open lid on a dark studio floor" /></a>
 
 [`shipping-crate`](showcase/shipping-crate/) — procedural crate through UVs, bake, LOD, collider, and Unity glTF, asserting recomputed budgets. Falsifier `--skip-decimate` exits 9.
 
@@ -91,6 +93,10 @@ Budget-conformance props. Not examples. Conventions: [`showcase/README.md`](show
 
 [`market-stall`](showcase/market-stall/) — procedural timber stall with striped awning and counter through the same pipeline. Falsifier `--skip-decimate` exits 9.
 
+[`street-lantern`](showcase/street-lantern/) — procedural hanging lantern with iron post, brass fittings, and amber cage through the same pipeline. Falsifier `--skip-decimate` exits 9.
+
+[`treasure-chest`](showcase/treasure-chest/) — procedural slatted chest with iron bands, corner brackets, and an open lid through the same pipeline. Falsifier `--skip-decimate` exits 9.
+
 ## Examples
 
 Runnable, smoke-gated demos live in [`examples/`](examples/) — each is executed headless on

ROADMAP.md

@@ -112,7 +112,9 @@ Not committed; target list for the next content version. (v0.3.0 shipped the smo
 - ~~Campfire showcase~~ **SHIPPED** as `showcase/campfire/` — two-course fire ring, log tripod; `--skip-decimate` exits 9 on the LOD1 ratio band
 - ~~Market stall showcase~~ **SHIPPED** as `showcase/market-stall/` — timber frame, slatted counter, striped awning; `--skip-decimate` exits 9 on the LOD1 ratio band
 - Procedural terrain or landscape showcase using Geometry Nodes scatter
-- Hero prop with a more complex silhouette (lantern or treasure chest) as a second showcase piece
+- ~~Hero prop with a more complex silhouette (lantern or treasure chest) as a second showcase piece~~ **SHIPPED** as `showcase/street-lantern/` and `showcase/treasure-chest/` — hanging iron lantern with muntined amber cage; slatted chest with iron bands and an open lid; `--skip-decimate` exits 9 on the LOD1 ratio band
+- Wrought-iron park bench (slatted seat, scrolled legs) as a game-prop showcase piece
+- Wooden wheelbarrow (staved tray, single wheel, handles) as a game-prop showcase piece
 - Small modular kit showcase on recognizable geometry (`modular-kit-snap` contract)
 
 - ~~Custom ID-property delete witness~~ **SHIPPED** as `examples/cross-version-property-delete/` — IDs built via `bpy.data.objects.new` (not `active_object`); `property_unset` is TypeError and leaves the key; `del` removes it on 4.5 LTS and 5.x

docs/gallery/assets/street-lantern-hero.webp

@@ -272,7 +272,7 @@ <h1>Examples Gallery</h1>
             autocomplete="off" spellcheck="false" aria-label="Search examples" />
           <button class="q-clear" id="qClear" type="button" aria-label="Clear search" hidden>&times;</button>
         </div>
-        <span class="count" id="count" role="status" aria-live="polite">56 examples</span>
+        <span class="count" id="count" role="status" aria-live="polite">58 examples</span>
         <div class="density" role="group" aria-label="Card density">
           <button class="density-btn" data-density="compact" type="button" aria-pressed="false">Compact</button>
           <button class="density-btn" data-density="detailed" type="button" aria-pressed="false">Detailed</button>
@@ -940,6 +940,28 @@ <h2><a href="market-stall/">market-stall</a></h2>
           <a class="card-link" href="market-stall/">View example <span aria-hidden="true">&rarr;</span></a>
         </div>
       </article>
+      <article class="card" data-tags="mesh export showcase">
+        <a class="card-media" href="street-lantern/" aria-label="street-lantern example detail page">
+          <img src="assets/street-lantern-hero.webp" alt="street-lantern — A procedural hanging street lantern through UVs, bake, LOD, collider, and Unity glTF, asserting recomputed budgets rather than an API contract." loading="lazy" decoding="async" />
+        </a>
+        <div class="card-body">
+          <h2><a href="street-lantern/">street-lantern</a></h2>
+          <p class="teaches">A procedural hanging street lantern through UVs, bake, LOD, collider, and Unity glTF, asserting recomputed budgets rather than an API contract.</p>
+          <p class="witnesses"><span class="tag">witnesses</span> Recomputed: 3520 tris, three materials with 24 glass and 94 brass faces, UVs in 0..1 with zero AABB overlap, outer AABB 0.403×0.892×1.404 m, LOD ratios in band, convex collider 84 tris, non-empty glTF. --skip-decimate exits 9 on the LOD1 ratio budget.</p>
+          <a class="card-link" href="street-lantern/">View example <span aria-hidden="true">&rarr;</span></a>
+        </div>
+      </article>
+      <article class="card" data-tags="mesh export showcase">
+        <a class="card-media" href="treasure-chest/" aria-label="treasure-chest example detail page">
+          <img src="assets/treasure-chest-hero.webp" alt="treasure-chest — A procedural slatted treasure chest through UVs, bake, LOD, collider, and Unity glTF, asserting recomputed budgets rather than an API contract." loading="lazy" decoding="async" />
+        </a>
+        <div class="card-body">
+          <h2><a href="treasure-chest/">treasure-chest</a></h2>
+          <p class="teaches">A procedural slatted treasure chest through UVs, bake, LOD, collider, and Unity glTF, asserting recomputed budgets rather than an API contract.</p>
+          <p class="witnesses"><span class="tag">witnesses</span> Recomputed: 5724 tris, two materials with 180 metal faces, UVs in 0..1 with zero AABB overlap, outer AABB 0.776×0.549×0.631 m, LOD ratios in band, convex collider 138 tris, non-empty glTF. --skip-decimate exits 9 on the LOD1 ratio budget.</p>
+          <a class="card-link" href="treasure-chest/">View example <span aria-hidden="true">&rarr;</span></a>
+        </div>
+      </article>
     </div>
     <p class="noresults" id="noResults" hidden>No examples match the current filters.
       <button class="chip" id="resetFilters" type="button">Clear search and tags</button></p>