Add real iOS HTTPS and WSS certificate regression checks

.github/workflows/ios.yml

@@ -36,6 +36,15 @@ jobs:
         run: |
           set -o pipefail
           mkdir -p build
+          python3 -u tools/tls_fixture.py > build/tls-fixture.log 2>&1 &
+          TLS_PID=$!
+          trap 'kill "$TLS_PID" 2>/dev/null || true' EXIT
+          for attempt in {1..30}; do
+            if grep -q 'TLS fixtures ready' build/tls-fixture.log; then break; fi
+            if ! kill -0 "$TLS_PID" 2>/dev/null; then cat build/tls-fixture.log; exit 1; fi
+            sleep 1
+          done
+          grep -q 'TLS fixtures ready' build/tls-fixture.log || { cat build/tls-fixture.log; exit 1; }
           xcodebuild test \
             -project MusicBridge.xcodeproj \
             -scheme MusicBridge \
@@ -53,6 +62,7 @@ jobs:
           name: ios-test-results
           path: |
             build/xcodebuild.log
+            build/tls-fixture.log
             build/MusicBridge.xcresult
           if-no-files-found: warn
           retention-days: 7