Add trash: deleted files go to trash, restore or empty

frontend/src/App.vue

@@ -13,13 +13,25 @@
         <input v-model="searchQuery" placeholder="Search files..." @input="filterFiles" />
       </div>
       <div class="sidebar-nav">
-        <button :class="{active: view === 'files'}" @click="view = 'files'">📄 My Files</button>
+        <button :class="{active: view === 'files'}" @click="view = 'files'">📄 Files</button>
         <button :class="{active: view === 'shared'}" @click="view = 'shared'">🤝 Shared</button>
-        <button :class="{active: view === 'prefs'}" @click="view = 'prefs'">⚙️ Preferences</button>
+        <button :class="{active: view === 'trash'}" @click="view = 'trash'; loadTrash()">🗑️ Trash</button>
-        <button v-if="isAdmin" :class="{active: view === 'admin'}" @click="view = 'admin'">👤 Admin</button>
+        <button :class="{active: view === 'prefs'}" @click="view = 'prefs'">⚙️</button>
+        <button v-if="isAdmin" :class="{active: view === 'admin'}" @click="view = 'admin'">👤</button>
       </div>
       <FileTree v-if="view === 'files'" :files="filteredFiles" :selected="currentFile" @select="openFile" @delete="deleteItem" @move="moveFile" />
       <FileTree v-if="view === 'shared'" :files="sharedFiles" :selected="currentFile" @select="openFile" @delete="deleteItem" @move="moveFile" />
+      <div v-if="view === 'trash'" class="trash-view">
+        <div class="trash-header">
+          <span>{{ trashItems.length }} item(s)</span>
+          <button v-if="trashItems.length" @click="emptyTrash" class="empty-trash-btn">Empty Trash</button>
+        </div>
+        <div v-for="item in trashItems" :key="item.name" class="trash-item">
+          <span>{{ item.isDir ? '📁' : '📄' }} {{ item.name }}</span>
+          <button @click="restoreTrash(item.name)" title="Restore">↩️</button>
+        </div>
+        <p v-if="!trashItems.length" class="trash-empty">Trash is empty</p>
+      </div>
     </aside>
     <main class="editor-area" v-if="view === 'files' || view === 'shared'">
       <div class="toolbar">
@@ -224,6 +236,7 @@ const shareLevel = ref('ro')
 const shareMsg = ref('')
 const gitDirty = ref(0)
 const aiResult = ref('')
+const trashItems = ref([])
 
 // Preferences
 const prefs = ref({ timezone: Intl.DateTimeFormat().resolvedOptions().timeZone, defaultMode: 'split', theme: 'dark' })
@@ -385,6 +398,26 @@ async function loadShared() {
   }
 }
 
+async function loadTrash() {
+  try {
+    trashItems.value = await api('/api/files/trash', {})
+  } catch (e) {
+    trashItems.value = []
+  }
+}
+
+async function restoreTrash(name) {
+  await api('/api/files/trash/restore', { name })
+  await loadTrash()
+  await loadFiles()
+}
+
+async function emptyTrash() {
+  if (!confirm('Permanently delete all items in trash?')) return
+  await api('/api/files/trash/empty', {})
+  trashItems.value = []
+}
+
 // ─── Preferences ─────────────────────────────────────────────────────────────
 
 function savePrefs() {
@@ -1041,6 +1074,14 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
 .ai-content code { background: var(--code-bg); padding: 2px 6px; border-radius: 3px; }
 .ai-content ul, .ai-content ol { padding-left: 2em; margin: 0 0 12px; }
 
+.trash-view { padding: 8px; flex: 1; overflow-y: auto; }
+.trash-header { display: flex; justify-content: space-between; align-items: center; padding: 8px; font-size: 12px; color: var(--text-muted); }
+.empty-trash-btn { background: var(--danger); color: white; border: none; padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; }
+.trash-item { display: flex; justify-content: space-between; align-items: center; padding: 6px 8px; border-radius: 4px; font-size: 13px; }
+.trash-item:hover { background: var(--bg-hover); }
+.trash-item button { background: none; border: none; cursor: pointer; font-size: 14px; }
+.trash-empty { color: var(--text-muted); font-size: 13px; text-align: center; padding: 20px; }
+
 /* ─── Responsive ──────────────────────────────────────────────────────────── */
 
 @media (max-width: 768px) {

internal/api/handlers.go

@@ -286,3 +286,41 @@ func (s *Server) handleSharedFiles(w http.ResponseWriter, r *http.Request) {
 	// For now return empty list
 	writeJSON(w, 200, []files.FileInfo{})
 }
+
+func (s *Server) handleListTrash(w http.ResponseWriter, r *http.Request) {
+	userID := getUserID(r)
+	items, err := files.ListTrash(s.dataDir, userID)
+	if err != nil {
+		writeJSON(w, 500, map[string]string{"error": "failed to list trash"})
+		return
+	}
+	if items == nil {
+		items = []files.FileInfo{}
+	}
+	writeJSON(w, 200, items)
+}
+
+func (s *Server) handleRestoreTrash(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Name string `json:"name"`
+	}
+	if err := decodeBody(r, &req); err != nil || req.Name == "" {
+		writeJSON(w, 400, map[string]string{"error": "name required"})
+		return
+	}
+	userID := getUserID(r)
+	if err := files.RestoreFromTrash(s.dataDir, userID, req.Name); err != nil {
+		writeJSON(w, 500, map[string]string{"error": "restore failed"})
+		return
+	}
+	writeJSON(w, 200, map[string]string{"status": "restored"})
+}
+
+func (s *Server) handleEmptyTrash(w http.ResponseWriter, r *http.Request) {
+	userID := getUserID(r)
+	if err := files.EmptyTrash(s.dataDir, userID); err != nil {
+		writeJSON(w, 500, map[string]string{"error": "empty trash failed"})
+		return
+	}
+	writeJSON(w, 200, map[string]string{"status": "emptied"})
+}

internal/api/router.go

@@ -36,6 +36,9 @@ func NewRouter(db *sql.DB, dataDir, secret string) http.Handler {
 	mux.HandleFunc("POST /api/files/create-folder", s.requireAuth(s.handleCreateFolder))
 	mux.HandleFunc("POST /api/files/delete", s.requireAuth(s.handleDeleteFile))
 	mux.HandleFunc("POST /api/files/move", s.requireAuth(s.handleMoveFile))
+	mux.HandleFunc("POST /api/files/trash", s.requireAuth(s.handleListTrash))
+	mux.HandleFunc("POST /api/files/trash/restore", s.requireAuth(s.handleRestoreTrash))
+	mux.HandleFunc("POST /api/files/trash/empty", s.requireAuth(s.handleEmptyTrash))
 	mux.HandleFunc("POST /api/files/search", s.requireAuth(s.handleSearchFiles))
 	mux.HandleFunc("POST /api/files/shared", s.requireAuth(s.handleListSharedFiles))
 

internal/files/files.go

@@ -1,6 +1,7 @@
 package files
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
@@ -54,13 +55,56 @@ func CreateFolder(dataDir, userID, relPath string) error {
 	return os.MkdirAll(p, 0755)
 }
 
-// DeleteFile removes a file or folder for a user.
+// DeleteFile moves a file or folder to trash.
 func DeleteFile(dataDir, userID, relPath string) error {
 	p := safePath(dataDir, userID, relPath)
 	if p == "" {
 		return os.ErrPermission
 	}
-	return os.RemoveAll(p)
+	trashDir := filepath.Join(UserDir(dataDir, userID), ".trash")
+	if err := os.MkdirAll(trashDir, 0755); err != nil {
+		return err
+	}
+	dest := filepath.Join(trashDir, filepath.Base(relPath))
+	// If already exists in trash, add timestamp
+	if _, err := os.Stat(dest); err == nil {
+		dest = dest + "." + fmt.Sprintf("%d", os.Getpid())
+	}
+	return os.Rename(p, dest)
+}
+
+// ListTrash returns files in the user's trash.
+func ListTrash(dataDir, userID string) ([]FileInfo, error) {
+	trashDir := filepath.Join(UserDir(dataDir, userID), ".trash")
+	if err := os.MkdirAll(trashDir, 0755); err != nil {
+		return nil, err
+	}
+	entries, err := os.ReadDir(trashDir)
+	if err != nil {
+		return nil, err
+	}
+	var result []FileInfo
+	for _, e := range entries {
+		result = append(result, FileInfo{Name: e.Name(), Path: e.Name(), IsDir: e.IsDir()})
+	}
+	return result, nil
+}
+
+// RestoreFromTrash moves a file from trash back to the user's root.
+func RestoreFromTrash(dataDir, userID, name string) error {
+	trashDir := filepath.Join(UserDir(dataDir, userID), ".trash")
+	src := filepath.Join(trashDir, name)
+	dest := filepath.Join(UserDir(dataDir, userID), name)
+	if strings.Contains(name, "..") {
+		return os.ErrPermission
+	}
+	return os.Rename(src, dest)
+}
+
+// EmptyTrash permanently deletes all files in trash.
+func EmptyTrash(dataDir, userID string) error {
+	trashDir := filepath.Join(UserDir(dataDir, userID), ".trash")
+	return os.RemoveAll(trashDir)
 }
 
 // MoveFile moves a file or folder to a new path.
@@ -93,6 +137,9 @@ func listDir(base, rel string) ([]FileInfo, error) {
 	}
 	var result []FileInfo
 	for _, e := range entries {
+		if e.Name() == ".trash" || e.Name() == ".git" {
+			continue
+		}
 		entryRel := filepath.Join(rel, e.Name())
 		info := FileInfo{
 			Name:  e.Name(),