Fix GLM-5.2 mythos startup

Co-authored-by: Codex <codex@openai.com>

models/glm-5-2.json

@@ -9,8 +9,8 @@
     "mythos-craft": {
       "file": "mythos-craft.html",
       "note": {
-        "zh": "在 ZCode 中以 GLM-5.2（Max 思考配额）一次生成；本页为未经修改的原始 HTML 产出。",
+        "zh": "在 ZCode 中以 GLM-5.2（Max 思考配额）一次生成。原始 HTML 因热栏引用了未定义的 GLASS 常量而无法进入；Codex 仅将该引用修正为已有的 CRYSTAL 方块，未改动玩法或视觉设计。",
-        "en": "Generated in one shot by GLM-5.2 (Max effort) inside ZCode; unmodified original HTML output."
+        "en": "Generated in one shot by GLM-5.2 (Max effort) inside ZCode. The original HTML could not enter the game because the hotbar referenced an undefined GLASS constant; Codex only corrected that reference to the existing CRYSTAL block, without changing gameplay or visual design."
       },
       "contributor": "Nagi-ovo"
     },

outputs/glm-5-2/zcode-max/mythos-craft.html

@@ -1082,8 +1082,8 @@ addEventListener('keydown', e => {
 addEventListener('keyup', e => { keys[e.code] = false; });
 
 /* ------------------------------------------------------------------ Hotbar / block selection */
-const hotbarBlocks = [GRASS, DIRT, STONE, WOOD, PLANK, COBBLE, BRICK, GLASS || CRYSTAL, GLOWSTONE];
+const hotbarBlocks = [GRASS, DIRT, STONE, WOOD, PLANK, COBBLE, BRICK, CRYSTAL, GLOWSTONE];
-// note: GLASS not defined; use CRYSTAL as "glass-like"
+// Use CRYSTAL as the glass-like hotbar block.
 const HOTBAR = [GRASS, DIRT, STONE, WOOD, PLANK, COBBLE, BRICK, CRYSTAL, GLOWSTONE];
 let selectedSlot = 0;
 const hotbarEl = document.getElementById('hotbar');