chore: release v1.0.19

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitea/workflows/export-keystore.yml

@@ -1,30 +0,0 @@
-# 一次性：把 Android release keystore 从 CI secret 导出为 artifact，便于本地/Bitwarden 备份。
-# 用完务必删除：① 本 workflow 文件；② 跑出来的这次 run 的 artifact（含密钥）。
-# 触发：Forgejo 网页 → Actions → Export Keystore → Run workflow（手动）。
-name: Export Keystore
-
-on:
-  workflow_dispatch:
-
-jobs:
-  export:
-    runs-on: mac
-    steps:
-      - name: Restore keystore from secret
-        env:
-          ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
-        run: |
-          set -e
-          mkdir -p out
-          # 原始 base64（方便直接粘进 Bitwarden Secure Note）
-          printf '%s' "$ANDROID_KEYSTORE_BASE64" > out/keystore.b64.txt
-          # 解码回二进制 keystore
-          printf '%s' "$ANDROID_KEYSTORE_BASE64" | base64 --decode > out/jiu-release.jks
-          echo "base64 长度: $(wc -c < out/keystore.b64.txt)"
-          echo "jks 字节数:  $(wc -c < out/jiu-release.jks)"
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: keystore-backup
-          path: out/