feat(plugins): support local JDBC plugin installation

Add a "local install" button that lets users install the JDBC plugin
from a local zip file when online download fails (e.g. draft release).

src-tauri/src/commands/plugins.rs

@@ -42,6 +42,17 @@ pub async fn install_jdbc_plugin(state: State<'_, Arc<AppState>>) -> Result<Jdbc
     jdbc_plugin_status_from_state(&state)
 }
 
+#[tauri::command]
+pub async fn install_jdbc_plugin_local(
+    state: State<'_, Arc<AppState>>,
+    path: String,
+) -> Result<JdbcPluginStatus, String> {
+    let bytes = std::fs::read(&path).map_err(|e| format!("Failed to read file: {e}"))?;
+    let plugin_dir = state.plugins.root_dir().join("jdbc");
+    install_jdbc_plugin_zip(&bytes, &plugin_dir)?;
+    jdbc_plugin_status_from_state(&state)
+}
+
 #[tauri::command]
 pub async fn uninstall_jdbc_plugin(state: State<'_, Arc<AppState>>) -> Result<JdbcPluginStatus, String> {
     let plugin_dir = state.plugins.root_dir().join("jdbc");

src-tauri/src/lib.rs

@@ -93,6 +93,7 @@ pub fn run() {
             commands::plugins::delete_jdbc_driver,
             commands::plugins::jdbc_plugin_status,
             commands::plugins::install_jdbc_plugin,
+            commands::plugins::install_jdbc_plugin_local,
             commands::plugins::uninstall_jdbc_plugin,
             commands::schema::list_databases,
             commands::schema::list_tables,

src/components/config/DriverStoreDialog.vue

@@ -281,6 +281,27 @@ async function installJdbcPlugin() {
   }
 }
 
+async function installJdbcPluginLocal() {
+  if (isWeb || isInstallingJdbcPlugin.value) return;
+  const { open } = await import("@tauri-apps/plugin-dialog");
+  const selected = await open({
+    title: "选择 JDBC 插件 zip 文件",
+    multiple: false,
+    filters: [{ name: "ZIP", extensions: ["zip"] }],
+  });
+  if (typeof selected !== "string") return;
+  isInstallingJdbcPlugin.value = true;
+  try {
+    jdbcPluginStatus.value = await invoke<JdbcPluginStatus>("install_jdbc_plugin_local", { path: selected });
+    toast(t("settings.jdbcPluginInstallSuccess"));
+    await loadJdbcDrivers();
+  } catch (e: any) {
+    toast(String(e?.message || e), 5000);
+  } finally {
+    isInstallingJdbcPlugin.value = false;
+  }
+}
+
 async function uninstallJdbcPlugin() {
   if (isWeb || isUninstallingJdbcPlugin.value) return;
   isUninstallingJdbcPlugin.value = true;
@@ -636,6 +657,16 @@ onUnmounted(() => {
                   >
                     {{ isInstallingJdbcPlugin ? t("common.loading") : t("settings.jdbcPluginInstall") }}
                   </Button>
+                  <Button
+                    v-if="!jdbcPluginStatus?.installed"
+                    type="button"
+                    variant="outline"
+                    :disabled="isInstallingJdbcPlugin"
+                    @click="installJdbcPluginLocal"
+                  >
+                    <FolderOpen class="h-3.5 w-3.5 mr-1" />
+                    本地安装
+                  </Button>
                 </div>
               </div>
             </div>