Sync catalog with vault: engine facet, Jaizu Emerald set, and PC placements.

Add engine annotation + MOC/wiki export support, a PC import staging helper, and refresh catalog.json after placing gated fan-games and new hack notes.

scripts/build-wiki-data.py

@@ -21,7 +21,7 @@ OUT = os.path.join(OUT_DIR, "catalog.json")
 
 SCALARS = ["title", "platform", "base", "version", "status", "generation",
            "developer", "release_date", "banner", "homepage", "source",
-           "library_path", "play_status", "scrape_dir"]
+           "library_path", "play_status", "scrape_dir", "engine"]
 
 
 def section(body, heading):
@@ -79,6 +79,7 @@ def main():
         return dict(sorted(c.items(), key=lambda kv: (-kv[1], kv[0])))
 
     type_counts = Counter(t for h in hacks for t in h["type"])
+    engine_counts = Counter(h["engine"] for h in hacks if h.get("engine"))
     out = {
         "generated": date.today().isoformat(),
         "count": len(hacks),
@@ -86,6 +87,7 @@ def main():
             "platform": facet("platform"),
             "base": facet("base"),
             "status": facet("status"),
+            "engine": dict(sorted(engine_counts.items(), key=lambda kv: (-kv[1], kv[0]))),
             "type": dict(sorted(type_counts.items(), key=lambda kv: (-kv[1], kv[0]))),
             "play_status": facet("play_status"),
         },