Document installed Windows 0.1.5 and complete Google speech timing improvement

tools/rerank-eval/README.md

@@ -42,3 +42,8 @@ F32 parity passed; quantized score differences persisted. Mixed-length padded
 batching was slower. Neither result establishes general absence calibration or
 sufficient default-search latency. Detailed costs and possible VM contention are
 recorded in the linked report documentation.
+
+Frozen JSON plans/manifests have `-text` Git attributes. Commit `512ec4e` restores
+the original observed CRLF bytes that early commits normalized, without changing
+policies, inputs or failed reports. Fresh Git archives now retain the exact
+recorded manifest/plan SHA-256 values across operating systems.