feat: add web deployment with axum server, Docker support, and browser UI

Introduce src-web (axum HTTP server) exposing all 43 database operations
as REST APIs with SSE streaming for AI, transfers, and SQL file execution.
Frontend adapts automatically between Tauri and HTTP backends via api.ts.
Includes password authentication, Docker packaging, and login page.

src/components/sql-file/SqlFileExecutionDialog.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { computed, ref, watch } from "vue";
-import { open as openDialog } from "@tauri-apps/plugin-dialog";
 import { useI18n } from "vue-i18n";
+import { isTauriRuntime } from "@/lib/tauriRuntime";
 import {
   Dialog, DialogFooter, DialogHeader, DialogScrollContent, DialogTitle,
 } from "@/components/ui/dialog";
@@ -23,7 +23,7 @@ import {
   type SqlFilePreview,
   type SqlFileProgress,
   type SqlFileStatus,
-} from "@/lib/tauri";
+} from "@/lib/api";
 import { Check, CheckSquare, FileCode, FolderOpen, Loader2, Play, Square, X } from "lucide-vue-next";
 
 const { t } = useI18n();
@@ -214,9 +214,11 @@ async function loadPreview(path: string) {
 
 async function selectFile() {
   if (running.value) return;
+  if (!isTauriRuntime()) return;
   selectingFile.value = true;
   try {
-    const selected = await openDialog({
+    const { open } = await import("@tauri-apps/plugin-dialog");
+    const selected = await open({
       multiple: false,
       filters: [{ name: "SQL", extensions: ["sql"] }],
     });