v135: LARGEST FREE GAIN ON RECORD - span labels re-encoded as letters save 5608 tokens for component +0.0066846686 at retention EXACTLY 0.0 (1.74x ws+tab collapse). 'r0' is 2 tokens, 'ra' is 1. A direct resolution test caught a real collision ('labelcolor=red') the arm's own checks missed; fixed by keeping digits on the 179 reference targets. Closed a real guard gap. 969 tests

base.json

@@ -0,0 +1,21 @@
+{
+  "arm": "base",
+  "labels_rewritten": 0,
+  "refs_rewritten": 0,
+  "base_refs": 495,
+  "refs": 495,
+  "content_preserved": 150,
+  "base_tokens": 278973,
+  "total_tokens": 278973,
+  "base_chars": 987484,
+  "total_chars": 987484,
+  "d_term_mean": 0.0,
+  "component_mean": 0.0,
+  "gaining": 0,
+  "losing": 0,
+  "seed_mean": 0.0,
+  "seeds_gaining": 0,
+  "unbalanced": 0,
+  "token_delta": 0,
+  "char_delta": 0
+}