feat: release 2.2.0 with PC-only tests and execution reliability fixes

Unify task scheduling and queue state, fix Android input and observation recovery, preserve screenshot paths, and match final review criteria accurately. Add collapsible copyable results and publish the complete 2.1.0 upgrade notes. Validation: 3189 backend tests, 326 frontend tests, 24 client tests, production build and quality gates.

artemis/tools/android_files.py

@@ -336,7 +336,9 @@ android_file = AndroidFileTool(
         "Use action=screenshot to save the CURRENT phone screen as native PNG, without UI shortcuts "
         "or the computer-use plugin. Default host location is this task's trace/artifacts/android; "
         "use destination=desktop only when the user requests the PC desktop. Returns verified paths, "
-        "size and SHA-256; never claim success without a successful result. Screenshot capture does "
+        "size and SHA-256; copy trace_path verbatim into evidence notes, without rebuilding it "
+        "from the session directory and filename. Never claim success without a successful result. "
+        "Screenshot capture does "
         "not prove the page is correct. Capture only after intended UI actions have executed and "
         "the resulting screen has been observed, not alongside pending UI actions. "
         "list/read_text/write_text operate on absolute ANDROID paths; "