Verify Linux speech client portability and reconcile release roadmap

docs/ROADMAP.md

@@ -1,6 +1,6 @@
 # Production readiness roadmap
 
-Status: Windows v0.1.5 published and installed; Linux v0.1.4 previews published. Broader production gates remain open. Windows VM tests use CPU only.
+Status: Windows v0.1.6 published and installed; Linux v0.1.4 previews published. Broader production gates remain open. Windows VM tests use CPU only.
 
 Karl's release priority, 2026-10-13: publish a usable first Windows version and
 install it on DEV-WIN11 now. Extensive platform/GPU, clean-machine, signing and
@@ -46,11 +46,17 @@ Google EmbeddingGemma 2 remains the main text/image/audio/video search model.
   - [x] Current CPU worker processed real English/German recordings from Unicode
     paths and reused loaded recognition contexts; this is functional evidence,
     not independent retrieval or word-timing accuracy.
+  - [x] Current Rust speech client unit and actual subprocess lifecycle checks
+    passed on Ubuntu 24.04 WSL; headless client dependency compilation passed.
+    [Evidence](LINUX-SPEECH-0.1.6.md); native Linux ASR and updated packages remain open.
   - [x] Genuine shared-service ASR/Google lifecycle passed: verified speech
     excerpts, zero raw reencodes through policy failure/retry, and retained
     query reader; [proof](SPEECH-INTEGRATION.md).
-  - [ ] Run genuine shared-service Google lifecycle and frozen independent query
-    controls; stage and deliver the normal hardware-detecting runtime.
+  - [x] Run genuine shared-service Google lifecycle and frozen independent EN/DE
+    query controls; stage and deliver the normal Windows hardware-detecting runtime.
+    See [speech evidence](SPEECH-INTEGRATION.md) and [release](WINDOWS-0.1.6.md).
+    Small positive fixture passed; absent-content controls failed. This does not
+    close broader recognition, timing or other-platform gates.
 - [ ] Validate richer no-answer evidence on new independent positive/negative data; do not retune the failed universal cosine cutoff on old held-out results.
 - [ ] Integrate accepted improvements into shared engine/UI/headless clients with verified setup, lifecycle and CPU performance evidence. Diagnostics alone do not raise the media quality rating.
 - [x] Publish v0.1.0 Windows installer/checksum, verify public download bytes,