Match Qwen reasoning history across effort changes

docs/issue117-reasoning-history/verification.json

@@ -0,0 +1,15 @@
+{
+  "date": "2026-10-04",
+  "base_commit": "6507a494bc5cdfc373e5bc8056719e151766a373",
+  "binaries": {
+    "/private/tmp/ds4-issue116-final-test": "eb1a190a1c13f5cacfffbffd4edf9d625595cf7df07092a4b522f07718a4b8ce",
+    "/private/tmp/ds4-issue117-test": "1469566941d5b6754043c3b1eebb6b0598d1f8d12703353fe9d9b9b754ec8205",
+    "/private/tmp/ds4-issue117-final-test": "3793aa871c28473f3354f4425b4b3b808ae8d25dc09c4759ba2ed2e6e25c730f"
+  },
+  "production_sources": {
+    "src/engine.rs": "882455620f8b0ba55669de257f964e52c57dab73869d5caee3c14b2b3e6f21e7",
+    "src/engine/tokenizer.rs": "a3adc71b2336393273537443397f294dd61e197ad196a8b7b35c6f0737016af4",
+    "src/server/request.rs": "3e3af7ad5c15c46442bb4d0ef2ca2d1e3cfa86b06c486876273b595554c51017",
+    "src/server/tools.rs": "7b673200fdc89ca90fc299236080487b3bbf09a6a3806370ff1fc4ec2c74306b"
+  }
+}