Phase 5: active items — room-clear charged, dedicated pedestals, Space to use

- ACTIVES table with 10 actives (Bone Nova, Offal Bomb, Blood Transfusion,
  Cleaver Storm, Butcher's Bell, Marrow Draught, Slaughter Time, Panic Room,
  Skinner's Coin, Gut Reroll); charges accrue +1/combat room, +2/boss
- Dedicated 'active' pickup with weapon-style swap-drop; 30% boss / 15% item-room
  bonus pedestal spawns; flat +2 powerScore while held
- HUD active slot with charge pips + READY state; ACTIVES help page (12 pages);
  teal medallion frame variant in draw_sprites.py; 10 generated icons
- Procedural Sfx.active()/activeEmpty() (real clips deferred to audio batch)
- Fix: toast panel width now fits the wider of title/subtitle and clamps to screen
- Bump asset cache to v=40

tools/gen_assets.py

@@ -305,6 +305,21 @@ ITEMS = {
 for iid, subject in ITEMS.items():
     SPECS["i_" + iid] = Spec(subject + ", isolated inventory object, strong top-left light, no medallion, no icon background", 32)
 
+ACTIVES = {
+    "bonenova": "a radial burst of sharp bone shards erupting from a central skull",
+    "offalbomb": "a fused bomb made of packed offal with a lit intestine fuse",
+    "bloodtransfusion": "a blood bag on a steel hook with a transfusion tube and needle",
+    "cleaverstorm": "a whirlwind spiral of twelve small orbiting meat cleavers",
+    "butchersbell": "a huge rusted slaughterhouse dinner bell with a bone clapper",
+    "marrowdraught": "a frothing tankard of dark marrow with a bone straw",
+    "slaughtertime": "a cracked hourglass with blood instead of sand, frozen mid-drop",
+    "panicroom": "a small riveted iron bunker door with a spinning lock wheel",
+    "skinnerscoin": "a gleaming gold coin stamped with a skinning knife",
+    "gutreroll": "a loop of intestine twisted into a circular arrow with dice pips",
+}
+for aid, subject in ACTIVES.items():
+    SPECS["a_" + aid] = Spec(subject + ", isolated inventory object, strong top-left light, no medallion, no icon background", 32)
+
 
 # Reference-derived industrial ramps. All generated images are mapped onto this
 # palette so independent API calls remain visually coherent.