fix(jdbc): include managed drivers in offline bundles

.github/workflows/ci.yml

@@ -526,6 +526,46 @@ jobs:
       - name: JDBC plugin package check
         run: ./plugins/jdbc/package.sh
 
+  offline-jdbc-release:
+    needs: changes
+    if: needs.changes.outputs.offline_jdbc == 'true'
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v5
+
+      - name: Setup Java
+        uses: actions/setup-java@v5
+        with:
+          distribution: temurin
+          java-version: "21"
+          cache: gradle
+
+      - name: Cache approved Maven assets
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/dbx-offline-jdbc-maven
+          key: offline-jdbc-${{ hashFiles('apps/desktop/src/lib/database/managedJdbcAssets.json') }}
+
+      - name: Build real managed JDBC payload
+        env:
+          DBX_OFFLINE_JDBC_MAVEN_CACHE: ~/.cache/dbx-offline-jdbc-maven
+        run: |
+          ./plugins/jdbc/package.sh
+          JDBC_VERSION="$(sed -nE "s/^version[[:space:]]*=[[:space:]]*'([^']+)'.*/\1/p" plugins/jdbc/build.gradle | head -n 1)"
+          node agents/scripts/build_offline_jdbc_payload.mjs \
+            release \
+            "plugins/jdbc/dist/dbx-jdbc-plugin-${JDBC_VERSION}.zip" \
+            "plugins/jdbc/dist/dbx-jdbc-plugin-${JDBC_VERSION}/bin/dbx-maven-resolver"
+
+      - name: Build and unpack all six platform ZIPs
+        run: |
+          printf '{}\n' > release/agent-registry.json
+          for platform in macos-aarch64 macos-x64 linux-x64 linux-aarch64 windows-x64 windows-aarch64; do
+            printf '%s\n' "$platform" > "release/dbx-jre-21-${platform}.tar.zst"
+          done
+          bash agents/scripts/build_offline_zip.sh release
+          node agents/scripts/verify_offline_jdbc_release.mjs release
+
   nix-packaging:
     needs: changes
     if: needs.changes.outputs.nix == 'true'
@@ -548,6 +588,7 @@ jobs:
       rust: ${{ steps.filter.outputs.rust }}
       rust_full: ${{ steps.rust-mode.outputs.full }}
       jdbc: ${{ steps.filter.outputs.jdbc }}
+      offline_jdbc: ${{ steps.filter.outputs.offline_jdbc }}
       agents: ${{ steps.filter.outputs.agents }}
       duckdb_windows: ${{ steps.filter.outputs.duckdb_windows }}
       nix: ${{ steps.filter.outputs.nix }}
@@ -595,6 +636,15 @@ jobs:
               - '.github/workflows/ci.yml'
             jdbc:
               - 'plugins/jdbc/**'
+            offline_jdbc:
+              - 'plugins/jdbc/**'
+              - 'agents/scripts/build_offline_jdbc_payload.mjs'
+              - 'agents/scripts/build_offline_zip.sh'
+              - 'agents/scripts/verify_offline_jdbc_release.mjs'
+              - 'apps/desktop/src/lib/database/managedJdbcAssets.json'
+              - '.github/scripts/offline-jdbc-payload.test.mjs'
+              - '.github/workflows/agents-release.yml'
+              - '.github/workflows/ci.yml'
             agents:
               - 'agents/**'
               - 'crates/dbx-core/Cargo.toml'