1 files changed, 46 insertions, 25 deletions
diff --git a/scripts/theme-studio/app_inventory.py b/scripts/theme-studio/app_inventory.py
index 01dcb7db7..ade71a0ef 100644
--- a/scripts/theme-studio/app_inventory.py
+++ b/scripts/theme-studio/app_inventory.py
@@ -7,31 +7,20 @@ import os
 from collections.abc import Sequence
 from typing import Any
 
+from face_data import BESPOKE_APP_SPECS
 
-BESPOKE_APPS = {
-    "magit",
-    "elfeed",
-    "org",
-    "org-mode",
-    "mu4e",
-    "org-faces",
-    "ghostel",
-    "auto-dim-other-buffers",
-    "dashboard",
-    "lsp-mode",
-    "git-gutter",
-    "flycheck",
-    "dired",
-    "dirvish",
-    "calibredb",
-    "erc",
-    "org-drill",
-    "org-noter",
-    "signel",
-    "pearl",
-    "slack",
-    "telega",
-    "shr",
+
+# Keys of the bespoke apps (single-sourced in face_data), excluded from the
+# generic-inventory path so they aren't also emitted as plain inventory apps.
+# "org" is an explicit alias of the "org-mode" bespoke app, so an inventory
+# package literally named "org" never gets a duplicate generic entry.
+BESPOKE_APPS = {spec[0] for spec in BESPOKE_APP_SPECS} | {"org"}
+
+
+# Inventory apps (not in BESPOKE_APPS) default to the generic preview. A few have
+# a dedicated PACKAGE_PREVIEWS renderer in app.js, keyed by name here.
+PREVIEW_KEYS = {
+    "markdown-mode": "markdown",
 }
 
 
@@ -55,12 +44,44 @@ def add_inventory_apps(apps: dict[str, Any], inventory_path: str) -> dict[str, A
             continue
         apps[pkg] = {
             "label": pkg,
-            "preview": "generic",
+            "preview": PREVIEW_KEYS.get(pkg, "generic"),
             "faces": [[face, face_label(face, pkg + "-"), {}] for face in inventory[pkg]],
         }
     return apps
 
 
+def add_nerd_icons_app(apps: dict[str, Any], inventory_path: str, legend: Any,
+                       gallery: Any = None) -> dict[str, Any]:
+    """Register nerd-icons as a bespoke legend app from its inventory faces.
+
+    The 34 nerd-icons color faces stay editable rows; LEGEND (the validated rows
+    from generate.load_nerd_icons_legend) rides the app so the bespoke previews.js
+    renderer can draw each filetype glyph in its mapped face color. GALLERY (the
+    full colored catalog grouped by face, from generate.load_nerd_icons_gallery)
+    rides alongside when present so the same renderer can draw the gallery section;
+    a falsy GALLERY simply omits it (legend-only). A no-op when LEGEND is falsy or
+    the inventory lacks nerd-icons -- the caller guards on a valid legend, and
+    add_inventory_apps then creates the generic fallback app. Must run before
+    add_inventory_apps so the generic path skips nerd-icons.
+    """
+    if not legend or not os.path.exists(inventory_path):
+        return apps
+    with open(inventory_path) as src:
+        faces = json.load(src).get("nerd-icons")
+    if not faces:
+        return apps
+    app = {
+        "label": "nerd-icons",
+        "preview": "nerdicons",
+        "faces": [[face, face_label(face, "nerd-icons-"), {}] for face in faces],
+        "legend": legend,
+    }
+    if gallery:
+        app["gallery"] = gallery
+    apps["nerd-icons"] = app
+    return apps
+
+
 def apply_default_face_seeds(apps: dict[str, Any], defaults: Any) -> None:
     if not defaults.available:
         return