fix(webview): update GTK lifecycle cleanup and repeat Linux integration tests

.github/workflows/test.yml

@@ -77,6 +77,8 @@ jobs:
         include:
           - name: Windows
             os: windows-latest
+          - name: Linux
+            os: ubuntu-latest
           - name: macOS
             os: macos-latest
     runs-on: ${{ matrix.os }}
@@ -89,6 +91,17 @@ jobs:
         if: runner.os == 'macOS'
         with:
           flutter-version: ${{ env.FLUTTER_VERSION }}
+      - name: Install Linux WebView dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.1-dev xvfb
+      - name: Test webview
+        if: runner.os == 'Linux'
+        # Repeat on the same GTK event loop to catch callbacks after destruction.
+        run: xvfb-run -a go test -tags webview -v -count=5 -timeout 300s ./internal/webview/goprovider/
+        env:
+          CGO_ENABLED: 1
       - name: Test webview
         if: runner.os == 'Windows'
         # Repeat close/reopen coverage to catch browser shutdown races.

go.mod

@@ -4,7 +4,7 @@ go 1.25.4
 
 require (
 	codeberg.org/gruf/go-ffmpreg v0.6.23-0.20260827095416-df1836cb5be0
-	github.com/GopeedLab/webview_go v0.0.0-20260917155218-bd16da0d6f53
+	github.com/GopeedLab/webview_go v0.0.0-20260917161756-2a4f989dcb1d
 	github.com/anacrolix/torrent v1.60.1-0.20251217073903-486bcbe758e0
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
 	github.com/bodgit/sevenzip v1.6.1

go.sum

@@ -33,6 +33,8 @@ github.com/GopeedLab/webview_go v0.0.0-20260917155039-1ee7ffb4169a h1:yudcfXpipK
 github.com/GopeedLab/webview_go v0.0.0-20260917155039-1ee7ffb4169a/go.mod h1:FvV19lu9rQ9NcbczN5y8pbWecURRRbWa8tbfFARBDa0=
 github.com/GopeedLab/webview_go v0.0.0-20260917155218-bd16da0d6f53 h1:nMSHKhbrEaWPE/x3mYl/270GPjswbUmS+E7yYjly4xk=
 github.com/GopeedLab/webview_go v0.0.0-20260917155218-bd16da0d6f53/go.mod h1:oNO07SCX8xgoHLds2OBwML8TU4xils88vMQ4gadKUHQ=
+github.com/GopeedLab/webview_go v0.0.0-20260917161756-2a4f989dcb1d h1:4fjlhJpBWa6IcdKVPkEMMIDd6Xo9JM09dJHdKU+1V7k=
+github.com/GopeedLab/webview_go v0.0.0-20260917161756-2a4f989dcb1d/go.mod h1:oNO07SCX8xgoHLds2OBwML8TU4xils88vMQ4gadKUHQ=
 github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=
 github.com/Masterminds/semver/v3 v3.2.1/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=