Rebuild: layer-bits path normalization

kit_manifest.json

@@ -1,5 +1,5 @@
 {
-  "built_from_commit": "67bf4d15209126c45fa5cf42001d79d5a24d4f3e",
+  "built_from_commit": "975fe2a602250e608ef8ab9307845d0639bb1c65",
   "capabilities": [
     "rht_int4_convert.layer_filter",
     "eval_quantized.dtype",
@@ -17,7 +17,7 @@
     "attention.mesh_context"
   ],
   "files": {
-    "scripts/rht_int4_convert.py": "86419eb87505d7d08737163043ff7989d338a868ddbd08e72ae3185f37ba2819",
+    "scripts/rht_int4_convert.py": "c8e97f238d0ab8daf8e2c2cb5a7c371c929d6bb283ee2216d5f3182b421fad1e",
     "scripts/rewrite_lalamo_hybrid_spec.py": "154564c88391f81b5c24f64125d99abc15d81bd082a8264e36d43a00d4c47a04",
     "scripts/normalize_lalamo_config.py": "248a5a07d0829c9e383eeba1a5204e88abdc065f78737d1191d376a1f37476c4",
     "scripts/make_lalamo_eval_copy.py": "5563e8542ef51e57cc6ed5cff48fcc81d58fb6487d75350df8273cfad948a500",

scripts/rht_int4_convert.py

@@ -147,11 +147,23 @@ def should_quantize(path: str, filters: list[str]) -> bool:
     return any(item in path for item in filters)
 
 
+def _normalize_path(path: str) -> str:
+    """Drop the leading dots lalamo uses per component.
+
+    Site paths look like ``.decoder/.transformer/.layers/[0]/.mlp/.down_projection``
+    while the lane spec writes ``mlp/down_projection``, so a naive substring
+    test never matched and every layer stayed at the default bits (measured:
+    uniform4 and down-out6 produced identical PPL).
+    """
+    return path.replace(".", "")
+
+
 def resolve_bits(path: str, rules: list[dict], default: int) -> int:
     """First rule whose ``match`` substring appears in the layer path wins."""
+    normalized = _normalize_path(path)
     for rule in rules:
-        match = str(rule.get("match", ""))
-        if match and match in path:
+        match = _normalize_path(str(rule.get("match", "")))
+        if match and match in normalized:
             return int(rule["bits"])
     return default