test(ci): run editor audio regressions on every platform

Author: richiemcilroy

.github/workflows/sync-tests.yml

@@ -23,6 +23,8 @@ on:
       - "crates/enc-mediafoundation/**"
       - "crates/timestamp/**"
       - "crates/rendering/**"
+      - "crates/editor/**"
+      - "crates/audio/**"
       - "crates/media-info/**"
       - ".github/workflows/sync-tests.yml"
 
@@ -119,6 +121,11 @@ jobs:
           # looking identical to a pass in the CI log.
           cargo test --locked -p cap-rendering -- --nocapture
 
+      - name: Editor audio playback and export regressions
+        shell: bash
+        run: |
+          cargo test --locked -p cap-editor --lib audio::tests::
+
       # Real encoders + DASH muxer + remux/validation over full instant-mode
       # scenarios: pause/resume excision, stall-recovery bursts with
       # same-microsecond timestamps, segment assembly and A/V alignment.