Match Qwen reasoning history across effort changes

docs/issue117-reasoning-history/agent-control.log

@@ -0,0 +1,24 @@
+   Compiling ds4-server v0.1.0 (/Users/gb/Projects/DS4Server)
+    Finished `test` profile [unoptimized + debuginfo] target(s) in 5.23s
+warning: the following packages contain code that will be rejected by a future version of Rust: block v0.1.6
+note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
+     Running unittests src/main.rs (target/debug/deps/ds4_server-d15236c42a8179f4)
+
+running 1 test
+kill: 7143: No such process
+test agent::tests::dropping_session_tools_stops_live_jobs_and_removes_output ... ok
+
+test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 560 filtered out; finished in 1.10s
+
+     Running unittests tools/qwen38-artifacts.rs (target/debug/deps/qwen38_artifacts-3a34dfcd9c4f3de8)
+
+running 0 tests
+
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.00s
+
+     Running unittests tools/test-supervisor.rs (target/debug/deps/test_supervisor-978addc9e5e8dbda)
+
+running 0 tests
+
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.00s
+