js-on-sx: updated Math scoreboard — 66/288 (22.9%)

Up from 56/288 (19.4%) baseline. Progress from:
- Math.sqrt/pow/trunc/sign/cbrt/hypot
- Array.prototype stubs for verifyProperty
- typeof callable-dict → "function"
- __callable__ dispatch in js-apply-fn

lib/js/test262-scoreboard.json

@@ -1,30 +1,42 @@
 {
   "totals": {
-    "pass": 3,
-    "fail": 4,
-    "skip": 1,
-    "timeout": 0,
-    "total": 8,
-    "runnable": 7,
-    "pass_rate": 42.9
+    "pass": 66,
+    "fail": 206,
+    "skip": 39,
+    "timeout": 16,
+    "total": 327,
+    "runnable": 288,
+    "pass_rate": 22.9
   },
   "categories": [
     {
       "category": "built-ins/Math",
-      "total": 8,
-      "pass": 3,
-      "fail": 4,
-      "skip": 1,
-      "timeout": 0,
-      "pass_rate": 42.9,
+      "total": 327,
+      "pass": 66,
+      "fail": 206,
+      "skip": 39,
+      "timeout": 16,
+      "pass_rate": 22.9,
       "top_failures": [
         [
           "ReferenceError (undefined symbol)",
-          2
+          94
         ],
         [
           "Test262Error (assertion failed)",
-          2
+          79
+        ],
+        [
+          "TypeError: not a function",
+          31
+        ],
+        [
+          "Timeout",
+          16
+        ],
+        [
+          "Unhandled: Not callable: {:random <js-math-random()> :trunc <js-math-tr",
+          1
         ]
       ]
     }
@@ -32,13 +44,29 @@
   "top_failure_modes": [
     [
       "ReferenceError (undefined symbol)",
-      2
+      94
     ],
     [
       "Test262Error (assertion failed)",
-      2
+      79
+    ],
+    [
+      "TypeError: not a function",
+      31
+    ],
+    [
+      "Timeout",
+      16
+    ],
+    [
+      "Unhandled: Not callable: {:random <js-math-random()> :trunc <js-math-tr",
+      1
+    ],
+    [
+      "SyntaxError (parse/unsupported syntax)",
+      1
     ]
   ],
   "pinned_commit": "d5e73fc8d2c663554fb72e2380a8c2bc1a318a33",
-  "elapsed_seconds": 14.2
+  "elapsed_seconds": 275.0
 }

lib/js/test262-scoreboard.md

@@ -1,18 +1,31 @@
 # test262 scoreboard
 
 Pinned commit: `d5e73fc8d2c663554fb72e2380a8c2bc1a318a33`
-Wall time: 14.2s
+Wall time: 275.0s
 
-**Total:** 3/7 runnable passed (42.9%). Raw: pass=3 fail=4 skip=1 timeout=0 total=8.
+**Total:** 66/288 runnable passed (22.9%). Raw: pass=66 fail=206 skip=39 timeout=16 total=327.
 
 ## Top failure modes
 
-- **2x** ReferenceError (undefined symbol)
-- **2x** Test262Error (assertion failed)
+- **94x** ReferenceError (undefined symbol)
+- **79x** Test262Error (assertion failed)
+- **31x** TypeError: not a function
+- **16x** Timeout
+- **1x** Unhandled: Not callable: {:random <js-math-random()> :trunc <js-math-tr
+- **1x** SyntaxError (parse/unsupported syntax)
 
 ## Categories (worst pass-rate first, min 10 runnable)
 
 | Category | Pass | Fail | Skip | Timeout | Total | Pass % |
 |---|---:|---:|---:|---:|---:|---:|
+| built-ins/Math | 66 | 206 | 39 | 16 | 327 | 22.9% |
 
 ## Per-category top failures (min 10 runnable, worst first)
+
+### built-ins/Math  (66/288 — 22.9%)
+
+- **94x** ReferenceError (undefined symbol)
+- **79x** Test262Error (assertion failed)
+- **31x** TypeError: not a function
+- **16x** Timeout
+- **1x** Unhandled: Not callable: {:random <js-math-random()> :trunc <js-math-tr