diff --git a/backend/main.py b/backend/main.py
index 8347a51..c4a37fa 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -6,6 +6,7 @@ import html as html_mod
 import logging
 import mimetypes
 import secrets
+import shutil
 import string
 import time
 from concurrent.futures import ThreadPoolExecutor
@@ -234,6 +235,61 @@ class HealthResponse(BaseModel):
     total_files: int
 
 
+class DirectoryCreateRequest(BaseModel):
+    """Request to create a new directory."""
+    path: str = Field(description="Relative path of the new directory")
+
+
+class DirectoryCreateResponse(BaseModel):
+    """Response after creating a directory."""
+    success: bool
+    path: str
+
+
+class DirectoryRenameRequest(BaseModel):
+    """Request to rename a directory."""
+    path: str = Field(description="Current path of the directory")
+    new_name: str = Field(description="New name for the directory")
+
+
+class DirectoryRenameResponse(BaseModel):
+    """Response after renaming a directory."""
+    success: bool
+    old_path: str
+    new_path: str
+
+
+class DirectoryDeleteResponse(BaseModel):
+    """Response after deleting a directory."""
+    success: bool
+    deleted_count: int
+
+
+class FileCreateRequest(BaseModel):
+    """Request to create a new file."""
+    path: str = Field(description="Relative path of the new file")
+    content: str = Field(default="", description="Initial content")
+
+
+class FileCreateResponse(BaseModel):
+    """Response after creating a file."""
+    success: bool
+    path: str
+
+
+class FileRenameRequest(BaseModel):
+    """Request to rename a file."""
+    path: str = Field(description="Current path of the file")
+    new_name: str = Field(description="New name for the file")
+
+
+class FileRenameResponse(BaseModel):
+    """Response after renaming a file."""
+    success: bool
+    old_path: str
+    new_path: str
+
+
 # ---------------------------------------------------------------------------
 # SSE Manager — Server-Sent Events for real-time notifications
 # ---------------------------------------------------------------------------
@@ -523,6 +579,18 @@ def _resolve_safe_path(vault_root: Path, relative_path: str) -> Path:
     return resolved
 
 
+def _check_vault_writable(vault_root: Path) -> bool:
+    """Check if a vault is writable (not mounted read-only).
+    
+    Args:
+        vault_root: The vault's root directory (absolute).
+    
+    Returns:
+        True if the vault is writable, False otherwise.
+    """
+    return os.access(vault_root, os.W_OK)
+
+
 # ---------------------------------------------------------------------------
 # Markdown rendering helpers (singleton renderer)
 # ---------------------------------------------------------------------------
@@ -1028,9 +1096,23 @@ async def api_file_delete(vault_name: str, path: str = Query(..., description="R
     if not file_path.exists() or not file_path.is_file():
         raise HTTPException(status_code=404, detail=f"File not found: {path}")
 
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+
     try:
         file_path.unlink()
         logger.info(f"File deleted: {vault_name}/{path}")
+        
+        # Update index
+        await remove_single_file(vault_name, path)
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("file_deleted", {
+            "vault": vault_name,
+            "path": path,
+        })
+        
         return {"status": "ok", "vault": vault_name, "path": path}
     except PermissionError:
         raise HTTPException(status_code=403, detail="Permission denied: vault may be read-only")
@@ -1039,6 +1121,342 @@ async def api_file_delete(vault_name: str, path: str = Query(..., description="R
         raise HTTPException(status_code=500, detail=f"Error deleting file: {str(e)}")
 
 
+# ---------------------------------------------------------------------------
+# Directory management endpoints
+# ---------------------------------------------------------------------------
+
+@app.post("/api/directory/{vault_name}", response_model=DirectoryCreateResponse)
+async def api_directory_create(
+    vault_name: str,
+    body: DirectoryCreateRequest,
+    current_user=Depends(require_auth),
+):
+    """Create a new directory in a vault.
+    
+    Args:
+        vault_name: Name of the vault.
+        body: Request body with directory path.
+        
+    Returns:
+        DirectoryCreateResponse confirming creation.
+    """
+    if not check_vault_access(vault_name, current_user):
+        raise HTTPException(status_code=403, detail=f"Accès refusé à la vault '{vault_name}'")
+    
+    vault_data = get_vault_data(vault_name)
+    if not vault_data:
+        raise HTTPException(status_code=404, detail=f"Vault '{vault_name}' not found")
+    
+    vault_root = Path(vault_data["path"])
+    
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+    
+    # Resolve and validate path
+    dir_path = _resolve_safe_path(vault_root, body.path)
+    
+    # Check if directory already exists
+    if dir_path.exists():
+        raise HTTPException(status_code=409, detail=f"Directory already exists: {body.path}")
+    
+    try:
+        # Create directory with parents
+        dir_path.mkdir(parents=True, exist_ok=False)
+        logger.info(f"Directory created: {vault_name}/{body.path}")
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("directory_created", {
+            "vault": vault_name,
+            "path": body.path,
+        })
+        
+        return {"success": True, "path": body.path}
+    except PermissionError:
+        raise HTTPException(status_code=403, detail="Permission denied: cannot create directory")
+    except Exception as e:
+        logger.error(f"Error creating directory {vault_name}/{body.path}: {e}")
+        raise HTTPException(status_code=500, detail=f"Error creating directory: {str(e)}")
+
+
+@app.patch("/api/directory/{vault_name}", response_model=DirectoryRenameResponse)
+async def api_directory_rename(
+    vault_name: str,
+    body: DirectoryRenameRequest,
+    current_user=Depends(require_auth),
+):
+    """Rename a directory in a vault.
+    
+    Args:
+        vault_name: Name of the vault.
+        body: Request body with current path and new name.
+        
+    Returns:
+        DirectoryRenameResponse with old and new paths.
+    """
+    if not check_vault_access(vault_name, current_user):
+        raise HTTPException(status_code=403, detail=f"Accès refusé à la vault '{vault_name}'")
+    
+    vault_data = get_vault_data(vault_name)
+    if not vault_data:
+        raise HTTPException(status_code=404, detail=f"Vault '{vault_name}' not found")
+    
+    vault_root = Path(vault_data["path"])
+    
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+    
+    # Resolve old path
+    old_path = _resolve_safe_path(vault_root, body.path)
+    
+    if not old_path.exists() or not old_path.is_dir():
+        raise HTTPException(status_code=404, detail=f"Directory not found: {body.path}")
+    
+    # Construct new path (same parent, new name)
+    new_path = old_path.parent / body.new_name
+    
+    # Validate new path is still within vault
+    new_path = _resolve_safe_path(vault_root, str(new_path.relative_to(vault_root)))
+    
+    # Check if destination already exists
+    if new_path.exists():
+        raise HTTPException(status_code=409, detail=f"Destination already exists: {body.new_name}")
+    
+    try:
+        # Rename directory
+        old_path.rename(new_path)
+        
+        old_path_str = str(old_path.relative_to(vault_root)).replace("\\", "/")
+        new_path_str = str(new_path.relative_to(vault_root)).replace("\\", "/")
+        
+        logger.info(f"Directory renamed: {vault_name}/{old_path_str} -> {new_path_str}")
+        
+        # Update index for all files in the directory
+        from backend.indexer import reload_single_vault
+        await reload_single_vault(vault_name)
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("directory_renamed", {
+            "vault": vault_name,
+            "old_path": old_path_str,
+            "new_path": new_path_str,
+        })
+        
+        return {"success": True, "old_path": old_path_str, "new_path": new_path_str}
+    except PermissionError:
+        raise HTTPException(status_code=403, detail="Permission denied: cannot rename directory")
+    except Exception as e:
+        logger.error(f"Error renaming directory {vault_name}/{body.path}: {e}")
+        raise HTTPException(status_code=500, detail=f"Error renaming directory: {str(e)}")
+
+
+@app.delete("/api/directory/{vault_name}", response_model=DirectoryDeleteResponse)
+async def api_directory_delete(
+    vault_name: str,
+    path: str = Query(..., description="Relative path to directory"),
+    current_user=Depends(require_auth),
+):
+    """Delete a directory and all its contents from a vault.
+    
+    Args:
+        vault_name: Name of the vault.
+        path: Relative directory path within the vault.
+        
+    Returns:
+        DirectoryDeleteResponse with count of deleted files.
+    """
+    if not check_vault_access(vault_name, current_user):
+        raise HTTPException(status_code=403, detail=f"Accès refusé à la vault '{vault_name}'")
+    
+    vault_data = get_vault_data(vault_name)
+    if not vault_data:
+        raise HTTPException(status_code=404, detail=f"Vault '{vault_name}' not found")
+    
+    vault_root = Path(vault_data["path"])
+    
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+    
+    # Resolve and validate path
+    dir_path = _resolve_safe_path(vault_root, path)
+    
+    if not dir_path.exists() or not dir_path.is_dir():
+        raise HTTPException(status_code=404, detail=f"Directory not found: {path}")
+    
+    try:
+        # Count files before deletion
+        file_count = sum(1 for _ in dir_path.rglob('*') if _.is_file())
+        
+        # Delete directory recursively
+        shutil.rmtree(dir_path)
+        logger.info(f"Directory deleted: {vault_name}/{path} ({file_count} files)")
+        
+        # Update index
+        from backend.indexer import reload_single_vault
+        await reload_single_vault(vault_name)
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("directory_deleted", {
+            "vault": vault_name,
+            "path": path,
+            "deleted_count": file_count,
+        })
+        
+        return {"success": True, "deleted_count": file_count}
+    except PermissionError:
+        raise HTTPException(status_code=403, detail="Permission denied: cannot delete directory")
+    except Exception as e:
+        logger.error(f"Error deleting directory {vault_name}/{path}: {e}")
+        raise HTTPException(status_code=500, detail=f"Error deleting directory: {str(e)}")
+
+
+# ---------------------------------------------------------------------------
+# File creation and rename endpoints
+# ---------------------------------------------------------------------------
+
+@app.post("/api/file/{vault_name}", response_model=FileCreateResponse)
+async def api_file_create(
+    vault_name: str,
+    body: FileCreateRequest,
+    current_user=Depends(require_auth),
+):
+    """Create a new file in a vault.
+    
+    Args:
+        vault_name: Name of the vault.
+        body: Request body with file path and initial content.
+        
+    Returns:
+        FileCreateResponse confirming creation.
+    """
+    if not check_vault_access(vault_name, current_user):
+        raise HTTPException(status_code=403, detail=f"Accès refusé à la vault '{vault_name}'")
+    
+    vault_data = get_vault_data(vault_name)
+    if not vault_data:
+        raise HTTPException(status_code=404, detail=f"Vault '{vault_name}' not found")
+    
+    vault_root = Path(vault_data["path"])
+    
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+    
+    # Resolve and validate path
+    file_path = _resolve_safe_path(vault_root, body.path)
+    
+    # Validate file extension
+    ext = file_path.suffix.lower()
+    if ext not in SUPPORTED_EXTENSIONS and file_path.name.lower() not in ("dockerfile", "makefile"):
+        raise HTTPException(status_code=400, detail=f"Unsupported file extension: {ext}")
+    
+    # Check if file already exists
+    if file_path.exists():
+        raise HTTPException(status_code=409, detail=f"File already exists: {body.path}")
+    
+    try:
+        # Create parent directories if needed
+        file_path.parent.mkdir(parents=True, exist_ok=True)
+        
+        # Create file with initial content
+        file_path.write_text(body.content, encoding="utf-8")
+        logger.info(f"File created: {vault_name}/{body.path}")
+        
+        # Update index
+        await update_single_file(vault_name, body.path)
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("file_created", {
+            "vault": vault_name,
+            "path": body.path,
+        })
+        
+        return {"success": True, "path": body.path}
+    except PermissionError:
+        raise HTTPException(status_code=403, detail="Permission denied: cannot create file")
+    except Exception as e:
+        logger.error(f"Error creating file {vault_name}/{body.path}: {e}")
+        raise HTTPException(status_code=500, detail=f"Error creating file: {str(e)}")
+
+
+@app.patch("/api/file/{vault_name}", response_model=FileRenameResponse)
+async def api_file_rename(
+    vault_name: str,
+    body: FileRenameRequest,
+    current_user=Depends(require_auth),
+):
+    """Rename a file in a vault.
+    
+    Args:
+        vault_name: Name of the vault.
+        body: Request body with current path and new name.
+        
+    Returns:
+        FileRenameResponse with old and new paths.
+    """
+    if not check_vault_access(vault_name, current_user):
+        raise HTTPException(status_code=403, detail=f"Accès refusé à la vault '{vault_name}'")
+    
+    vault_data = get_vault_data(vault_name)
+    if not vault_data:
+        raise HTTPException(status_code=404, detail=f"Vault '{vault_name}' not found")
+    
+    vault_root = Path(vault_data["path"])
+    
+    # Check if vault is writable
+    if not _check_vault_writable(vault_root):
+        raise HTTPException(status_code=403, detail="Vault is read-only")
+    
+    # Resolve old path
+    old_path = _resolve_safe_path(vault_root, body.path)
+    
+    if not old_path.exists() or not old_path.is_file():
+        raise HTTPException(status_code=404, detail=f"File not found: {body.path}")
+    
+    # Construct new path (same parent, new name)
+    new_path = old_path.parent / body.new_name
+    
+    # Validate new path is still within vault
+    new_path = _resolve_safe_path(vault_root, str(new_path.relative_to(vault_root)))
+    
+    # Validate file extension
+    ext = new_path.suffix.lower()
+    if ext not in SUPPORTED_EXTENSIONS and new_path.name.lower() not in ("dockerfile", "makefile"):
+        raise HTTPException(status_code=400, detail=f"Unsupported file extension: {ext}")
+    
+    # Check if destination already exists
+    if new_path.exists():
+        raise HTTPException(status_code=409, detail=f"Destination already exists: {body.new_name}")
+    
+    try:
+        # Rename file
+        old_path.rename(new_path)
+        
+        old_path_str = str(old_path.relative_to(vault_root)).replace("\\", "/")
+        new_path_str = str(new_path.relative_to(vault_root)).replace("\\", "/")
+        
+        logger.info(f"File renamed: {vault_name}/{old_path_str} -> {new_path_str}")
+        
+        # Update index
+        await handle_file_move(vault_name, old_path_str, new_path_str)
+        
+        # Broadcast SSE event
+        await sse_manager.broadcast("file_renamed", {
+            "vault": vault_name,
+            "old_path": old_path_str,
+            "new_path": new_path_str,
+        })
+        
+        return {"success": True, "old_path": old_path_str, "new_path": new_path_str}
+    except PermissionError:
+        raise HTTPException(status_code=403, detail="Permission denied: cannot rename file")
+    except Exception as e:
+        logger.error(f"Error renaming file {vault_name}/{body.path}: {e}")
+        raise HTTPException(status_code=500, detail=f"Error renaming file: {str(e)}")
+
+
 @app.get("/api/file/{vault_name}", response_model=FileContentResponse)
 async def api_file(vault_name: str, path: str = Query(..., description="Relative path to file"), current_user=Depends(require_auth)):
     """Return rendered HTML and metadata for a file.
diff --git a/frontend/app.js b/frontend/app.js
index 4dc61b6..ecacf7a 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -2272,6 +2272,12 @@
             safeCreateIcons();
           }
         });
+
+        dirItem.addEventListener("contextmenu", (e) => {
+          e.preventDefault();
+          const isReadonly = false;
+          ContextMenuManager.show(e.clientX, e.clientY, vaultName, item.path, 'directory', isReadonly);
+        });
       } else {
         const fileIconName = getFileIcon(item.name);
         const displayName = item.name.match(/\.md$/i) ? item.name.replace(/\.md$/i, "") : item.name;
@@ -2281,6 +2287,13 @@
           openFile(vaultName, item.path);
           closeMobileSidebar();
         });
+
+        fileItem.addEventListener("contextmenu", (e) => {
+          e.preventDefault();
+          const isReadonly = false;
+          ContextMenuManager.show(e.clientX, e.clientY, vaultName, item.path, 'file', isReadonly);
+        });
+
         fragment.appendChild(fileItem);
       }
     });
@@ -5486,6 +5499,485 @@
     panel.innerHTML = html;
   }
 
+  // ---------------------------------------------------------------------------
+  // Context Menu Manager
+  // ---------------------------------------------------------------------------
+
+  const ContextMenuManager = {
+    _menu: null,
+    _targetElement: null,
+    _targetVault: null,
+    _targetPath: null,
+    _targetType: null,
+
+    init() {
+      this._menu = document.createElement('div');
+      this._menu.className = 'context-menu';
+      this._menu.id = 'context-menu';
+      document.body.appendChild(this._menu);
+
+      document.addEventListener('click', () => this.hide());
+      document.addEventListener('contextmenu', (e) => {
+        if (!e.target.closest('.tree-item')) {
+          this.hide();
+        }
+      });
+
+      document.addEventListener('keydown', (e) => {
+        if (e.key === 'Escape') this.hide();
+      });
+
+      document.addEventListener('scroll', () => this.hide(), true);
+    },
+
+    show(x, y, vault, path, type, isReadonly) {
+      this._targetVault = vault;
+      this._targetPath = path;
+      this._targetType = type;
+
+      this._menu.innerHTML = '';
+      
+      if (type === 'directory') {
+        this._addItem('folder-plus', 'Nouveau sous-dossier', () => this._createDirectory(), isReadonly);
+        this._addItem('file-plus', 'Nouveau fichier ici', () => this._createFile(), isReadonly);
+        this._addSeparator();
+        this._addItem('edit', 'Renommer', () => this._renameItem(), isReadonly);
+        this._addItem('trash-2', 'Supprimer', () => this._deleteDirectory(), isReadonly);
+      } else if (type === 'file') {
+        this._addItem('edit', 'Renommer', () => this._renameItem(), isReadonly);
+        this._addItem('trash-2', 'Supprimer', () => this._deleteFile(), isReadonly);
+      }
+
+      this._menu.classList.add('active');
+      
+      const rect = this._menu.getBoundingClientRect();
+      const viewportWidth = window.innerWidth;
+      const viewportHeight = window.innerHeight;
+      
+      let finalX = x;
+      let finalY = y;
+      
+      if (x + rect.width > viewportWidth) {
+        finalX = viewportWidth - rect.width - 10;
+      }
+      
+      if (y + rect.height > viewportHeight) {
+        finalY = viewportHeight - rect.height - 10;
+      }
+      
+      this._menu.style.left = `${finalX}px`;
+      this._menu.style.top = `${finalY}px`;
+      
+      safeCreateIcons();
+    },
+
+    hide() {
+      if (this._menu) {
+        this._menu.classList.remove('active');
+      }
+    },
+
+    _addItem(icon, label, callback, disabled) {
+      const item = document.createElement('div');
+      item.className = 'context-menu-item' + (disabled ? ' disabled' : '');
+      item.innerHTML = `
+        <i data-lucide="${icon}" class="icon"></i>
+        <span>${label}</span>
+      `;
+      
+      if (!disabled) {
+        item.addEventListener('click', (e) => {
+          e.stopPropagation();
+          this.hide();
+          callback();
+        });
+      } else {
+        item.title = 'Vault en lecture seule';
+      }
+      
+      this._menu.appendChild(item);
+    },
+
+    _addSeparator() {
+      const sep = document.createElement('div');
+      sep.className = 'context-menu-separator';
+      this._menu.appendChild(sep);
+    },
+
+    _createDirectory() {
+      FileOperations.showCreateDirectoryModal(this._targetVault, this._targetPath);
+    },
+
+    _createFile() {
+      FileOperations.showCreateFileModal(this._targetVault, this._targetPath);
+    },
+
+    _renameItem() {
+      FileOperations.startInlineRename(this._targetVault, this._targetPath, this._targetType);
+    },
+
+    _deleteDirectory() {
+      FileOperations.confirmDeleteDirectory(this._targetVault, this._targetPath);
+    },
+
+    _deleteFile() {
+      FileOperations.confirmDeleteFile(this._targetVault, this._targetPath);
+    }
+  };
+
+  // ---------------------------------------------------------------------------
+  // File Operations Manager
+  // ---------------------------------------------------------------------------
+
+  const FileOperations = {
+    showCreateDirectoryModal(vault, parentPath) {
+      const overlay = this._createModalOverlay();
+      const modal = document.createElement('div');
+      modal.className = 'obsigate-modal';
+      modal.innerHTML = `
+        <div class="obsigate-modal-header">
+          <h3 class="obsigate-modal-title">Créer un dossier</h3>
+        </div>
+        <div class="obsigate-modal-body">
+          <div class="modal-form-group">
+            <label class="modal-label">Nom du dossier</label>
+            <input type="text" class="modal-input" id="dir-name-input" placeholder="nouveau-dossier" />
+            <div class="modal-hint">Dans: ${parentPath || '/'}</div>
+            <div class="modal-error" id="dir-error" style="display:none;"></div>
+          </div>
+        </div>
+        <div class="obsigate-modal-footer">
+          <button class="modal-btn" id="dir-cancel-btn">Annuler</button>
+          <button class="modal-btn primary" id="dir-create-btn">Créer</button>
+        </div>
+      `;
+      
+      overlay.appendChild(modal);
+      document.body.appendChild(overlay);
+      
+      setTimeout(() => overlay.classList.add('active'), 10);
+      
+      const input = modal.querySelector('#dir-name-input');
+      const errorDiv = modal.querySelector('#dir-error');
+      const createBtn = modal.querySelector('#dir-create-btn');
+      const cancelBtn = modal.querySelector('#dir-cancel-btn');
+      
+      input.focus();
+      
+      const validateName = (name) => {
+        if (!name.trim()) return 'Le nom ne peut pas être vide';
+        if (/[/\\:*?"<>|]/.test(name)) return 'Caractères interdits: / \\ : * ? " < > |';
+        return null;
+      };
+      
+      input.addEventListener('input', () => {
+        const error = validateName(input.value);
+        if (error) {
+          errorDiv.textContent = error;
+          errorDiv.style.display = 'block';
+          input.classList.add('error');
+        } else {
+          errorDiv.style.display = 'none';
+          input.classList.remove('error');
+        }
+      });
+      
+      const create = async () => {
+        const name = input.value.trim();
+        const error = validateName(name);
+        if (error) {
+          errorDiv.textContent = error;
+          errorDiv.style.display = 'block';
+          return;
+        }
+        
+        const path = parentPath ? `${parentPath}/${name}` : name;
+        createBtn.disabled = true;
+        createBtn.textContent = 'Création...';
+        
+        try {
+          await api(`/api/directory/${encodeURIComponent(vault)}`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ path }),
+          });
+          
+          showToast(`Dossier "${name}" créé`, 'success');
+          this._closeModal(overlay);
+          await refreshVaultTree();
+        } catch (err) {
+          showToast(err.message || 'Erreur lors de la création', 'error');
+          createBtn.disabled = false;
+          createBtn.textContent = 'Créer';
+        }
+      };
+      
+      createBtn.addEventListener('click', create);
+      cancelBtn.addEventListener('click', () => this._closeModal(overlay));
+      
+      input.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter') create();
+        if (e.key === 'Escape') this._closeModal(overlay);
+      });
+    },
+
+    showCreateFileModal(vault, parentPath) {
+      const overlay = this._createModalOverlay();
+      const modal = document.createElement('div');
+      modal.className = 'obsigate-modal';
+      modal.innerHTML = `
+        <div class="obsigate-modal-header">
+          <h3 class="obsigate-modal-title">Créer un fichier</h3>
+        </div>
+        <div class="obsigate-modal-body">
+          <div class="modal-form-group">
+            <label class="modal-label">Nom du fichier</label>
+            <input type="text" class="modal-input" id="file-name-input" placeholder="note.md" />
+            <div class="modal-hint">Dans: ${parentPath || '/'}</div>
+            <div class="modal-error" id="file-error" style="display:none;"></div>
+          </div>
+          <div class="modal-form-group">
+            <label class="modal-label">Type de fichier</label>
+            <select class="modal-select" id="file-ext-select">
+              <option value=".md">Markdown (.md)</option>
+              <option value=".txt">Texte (.txt)</option>
+              <option value=".py">Python (.py)</option>
+              <option value=".js">JavaScript (.js)</option>
+              <option value=".json">JSON (.json)</option>
+              <option value=".yaml">YAML (.yaml)</option>
+              <option value=".sh">Shell (.sh)</option>
+              <option value=".ps1">PowerShell (.ps1)</option>
+            </select>
+          </div>
+        </div>
+        <div class="obsigate-modal-footer">
+          <button class="modal-btn" id="file-cancel-btn">Annuler</button>
+          <button class="modal-btn primary" id="file-create-btn">Créer</button>
+        </div>
+      `;
+      
+      overlay.appendChild(modal);
+      document.body.appendChild(overlay);
+      
+      setTimeout(() => overlay.classList.add('active'), 10);
+      
+      const input = modal.querySelector('#file-name-input');
+      const extSelect = modal.querySelector('#file-ext-select');
+      const errorDiv = modal.querySelector('#file-error');
+      const createBtn = modal.querySelector('#file-create-btn');
+      const cancelBtn = modal.querySelector('#file-cancel-btn');
+      
+      input.focus();
+      
+      const validateName = (name) => {
+        if (!name.trim()) return 'Le nom ne peut pas être vide';
+        if (/[/\\:*?"<>|]/.test(name)) return 'Caractères interdits: / \\ : * ? " < > |';
+        return null;
+      };
+      
+      input.addEventListener('input', () => {
+        const error = validateName(input.value);
+        if (error) {
+          errorDiv.textContent = error;
+          errorDiv.style.display = 'block';
+          input.classList.add('error');
+        } else {
+          errorDiv.style.display = 'none';
+          input.classList.remove('error');
+        }
+      });
+      
+      const create = async () => {
+        let name = input.value.trim();
+        const error = validateName(name);
+        if (error) {
+          errorDiv.textContent = error;
+          errorDiv.style.display = 'block';
+          return;
+        }
+        
+        const ext = extSelect.value;
+        if (!name.endsWith(ext)) {
+          name += ext;
+        }
+        
+        const path = parentPath ? `${parentPath}/${name}` : name;
+        createBtn.disabled = true;
+        createBtn.textContent = 'Création...';
+        
+        try {
+          await api(`/api/file/${encodeURIComponent(vault)}`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ path, content: '' }),
+          });
+          
+          showToast(`Fichier "${name}" créé`, 'success');
+          this._closeModal(overlay);
+          await refreshVaultTree();
+          openFile(vault, path);
+        } catch (err) {
+          showToast(err.message || 'Erreur lors de la création', 'error');
+          createBtn.disabled = false;
+          createBtn.textContent = 'Créer';
+        }
+      };
+      
+      createBtn.addEventListener('click', create);
+      cancelBtn.addEventListener('click', () => this._closeModal(overlay));
+      
+      input.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter') create();
+        if (e.key === 'Escape') this._closeModal(overlay);
+      });
+    },
+
+    async startInlineRename(vault, path, type) {
+      showToast('Fonctionnalité de renommage inline en cours de développement', 'info');
+    },
+
+    confirmDeleteDirectory(vault, path) {
+      const overlay = this._createModalOverlay();
+      const modal = document.createElement('div');
+      modal.className = 'obsigate-modal';
+      modal.innerHTML = `
+        <div class="obsigate-modal-header">
+          <h3 class="obsigate-modal-title">Supprimer le dossier</h3>
+        </div>
+        <div class="obsigate-modal-body">
+          <div class="modal-warning">
+            <i data-lucide="alert-triangle" class="icon"></i>
+            <div>
+              <strong>Attention !</strong> Cette action est irréversible.
+              <br>Tous les fichiers et sous-dossiers seront supprimés définitivement.
+            </div>
+          </div>
+          <div class="modal-form-group">
+            <label class="modal-label">Dossier à supprimer:</label>
+            <div style="font-family: 'JetBrains Mono', monospace; color: var(--text-muted);">${path}</div>
+          </div>
+        </div>
+        <div class="obsigate-modal-footer">
+          <button class="modal-btn" id="del-cancel-btn">Annuler</button>
+          <button class="modal-btn danger" id="del-confirm-btn">Supprimer définitivement</button>
+        </div>
+      `;
+      
+      overlay.appendChild(modal);
+      document.body.appendChild(overlay);
+      
+      setTimeout(() => overlay.classList.add('active'), 10);
+      safeCreateIcons();
+      
+      const confirmBtn = modal.querySelector('#del-confirm-btn');
+      const cancelBtn = modal.querySelector('#del-cancel-btn');
+      
+      const deleteDir = async () => {
+        confirmBtn.disabled = true;
+        confirmBtn.textContent = 'Suppression...';
+        
+        try {
+          const result = await api(`/api/directory/${encodeURIComponent(vault)}?path=${encodeURIComponent(path)}`, {
+            method: 'DELETE',
+          });
+          
+          showToast(`Dossier supprimé (${result.deleted_count} fichiers)`, 'success');
+          this._closeModal(overlay);
+          await refreshVaultTree();
+          
+          if (currentVault === vault && currentPath && currentPath.startsWith(path)) {
+            showWelcome();
+          }
+        } catch (err) {
+          showToast(err.message || 'Erreur lors de la suppression', 'error');
+          confirmBtn.disabled = false;
+          confirmBtn.textContent = 'Supprimer définitivement';
+        }
+      };
+      
+      confirmBtn.addEventListener('click', deleteDir);
+      cancelBtn.addEventListener('click', () => this._closeModal(overlay));
+    },
+
+    confirmDeleteFile(vault, path) {
+      const overlay = this._createModalOverlay();
+      const modal = document.createElement('div');
+      modal.className = 'obsigate-modal';
+      modal.innerHTML = `
+        <div class="obsigate-modal-header">
+          <h3 class="obsigate-modal-title">Supprimer le fichier</h3>
+        </div>
+        <div class="obsigate-modal-body">
+          <div class="modal-warning">
+            <i data-lucide="alert-triangle" class="icon"></i>
+            <div>
+              <strong>Attention !</strong> Cette action est irréversible.
+            </div>
+          </div>
+          <div class="modal-form-group">
+            <label class="modal-label">Fichier à supprimer:</label>
+            <div style="font-family: 'JetBrains Mono', monospace; color: var(--text-muted);">${path}</div>
+          </div>
+        </div>
+        <div class="obsigate-modal-footer">
+          <button class="modal-btn" id="del-cancel-btn">Annuler</button>
+          <button class="modal-btn danger" id="del-confirm-btn">Supprimer définitivement</button>
+        </div>
+      `;
+      
+      overlay.appendChild(modal);
+      document.body.appendChild(overlay);
+      
+      setTimeout(() => overlay.classList.add('active'), 10);
+      safeCreateIcons();
+      
+      const confirmBtn = modal.querySelector('#del-confirm-btn');
+      const cancelBtn = modal.querySelector('#del-cancel-btn');
+      
+      const deleteFile = async () => {
+        confirmBtn.disabled = true;
+        confirmBtn.textContent = 'Suppression...';
+        
+        try {
+          await api(`/api/file/${encodeURIComponent(vault)}?path=${encodeURIComponent(path)}`, {
+            method: 'DELETE',
+          });
+          
+          showToast('Fichier supprimé', 'success');
+          this._closeModal(overlay);
+          await refreshVaultTree();
+          
+          if (currentVault === vault && currentPath === path) {
+            showWelcome();
+          }
+        } catch (err) {
+          showToast(err.message || 'Erreur lors de la suppression', 'error');
+          confirmBtn.disabled = false;
+          confirmBtn.textContent = 'Supprimer définitivement';
+        }
+      };
+      
+      confirmBtn.addEventListener('click', deleteFile);
+      cancelBtn.addEventListener('click', () => this._closeModal(overlay));
+    },
+
+    _createModalOverlay() {
+      const overlay = document.createElement('div');
+      overlay.className = 'obsigate-modal-overlay';
+      overlay.addEventListener('click', (e) => {
+        if (e.target === overlay) {
+          this._closeModal(overlay);
+        }
+      });
+      return overlay;
+    },
+
+    _closeModal(overlay) {
+      overlay.classList.remove('active');
+      setTimeout(() => overlay.remove(), 200);
+    }
+  };
+
   // ---------------------------------------------------------------------------
   // Find in Page Manager
   // ---------------------------------------------------------------------------
@@ -5933,6 +6425,7 @@
     initRecentTab();
     RightSidebarManager.init();
     FindInPageManager.init();
+    ContextMenuManager.init();
 
     // Check auth status first
     const authOk = await AuthManager.initAuth();
diff --git a/frontend/style.css b/frontend/style.css
index 13a9627..15548a5 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -5019,3 +5019,274 @@ body.popup-mode .content-area {
     transform: translateX(100%);
   }
 }
+
+/* ===== CONTEXT MENU ===== */
+.context-menu {
+  position: fixed;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
+  min-width: 200px;
+  z-index: 10000;
+  padding: 4px;
+  display: none;
+}
+
+.context-menu.active {
+  display: block;
+}
+
+.context-menu-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 8px 12px;
+  border-radius: 6px;
+  cursor: pointer;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  color: var(--text-primary);
+  transition: all 150ms ease;
+}
+
+.context-menu-item:hover:not(.disabled) {
+  background: var(--bg-hover);
+  color: var(--accent);
+}
+
+.context-menu-item.disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.context-menu-item .icon {
+  width: 16px;
+  height: 16px;
+  flex-shrink: 0;
+}
+
+.context-menu-separator {
+  height: 1px;
+  background: var(--border);
+  margin: 4px 0;
+}
+
+/* ===== INLINE RENAME ===== */
+.sidebar-item-input {
+  width: 100%;
+  padding: 4px 8px;
+  background: var(--bg-primary);
+  border: 1px solid var(--accent);
+  border-radius: 4px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.82rem;
+  outline: none;
+}
+
+/* ===== VAULT READONLY BADGE ===== */
+.vault-readonly-badge {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  padding: 2px 6px;
+  background: var(--danger-bg);
+  color: var(--danger);
+  border-radius: 4px;
+  font-size: 0.7rem;
+  font-weight: 600;
+  margin-left: 6px;
+}
+
+/* ===== OBSIGATE MODALS ===== */
+.obsigate-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: var(--overlay-bg);
+  z-index: 9999;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  pointer-events: none;
+  transition: opacity 200ms ease;
+}
+
+.obsigate-modal-overlay.active {
+  opacity: 1;
+  pointer-events: all;
+}
+
+.obsigate-modal {
+  background: var(--bg-secondary);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
+  min-width: 400px;
+  max-width: 600px;
+  transform: scale(0.9);
+  transition: transform 200ms ease;
+}
+
+.obsigate-modal-overlay.active .obsigate-modal {
+  transform: scale(1);
+}
+
+.obsigate-modal-header {
+  padding: 16px 20px;
+  border-bottom: 1px solid var(--border);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.obsigate-modal-title {
+  font-family: "JetBrains Mono", monospace;
+  font-size: 1.1rem;
+  font-weight: 700;
+  color: var(--text-primary);
+}
+
+.obsigate-modal-body {
+  padding: 20px;
+}
+
+.obsigate-modal-footer {
+  padding: 16px 20px;
+  border-top: 1px solid var(--border);
+  display: flex;
+  gap: 10px;
+  justify-content: flex-end;
+}
+
+.modal-input {
+  width: 100%;
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  outline: none;
+  transition: border-color 200ms ease;
+}
+
+.modal-input:focus {
+  border-color: var(--accent);
+}
+
+.modal-input.error {
+  border-color: var(--danger);
+}
+
+.modal-label {
+  display: block;
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.85rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  margin-bottom: 8px;
+}
+
+.modal-hint {
+  font-size: 0.75rem;
+  color: var(--text-muted);
+  margin-top: 6px;
+}
+
+.modal-error {
+  font-size: 0.8rem;
+  color: var(--danger);
+  margin-top: 6px;
+}
+
+.modal-select {
+  width: 100%;
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.9rem;
+  outline: none;
+  cursor: pointer;
+  transition: border-color 200ms ease;
+}
+
+.modal-select:focus {
+  border-color: var(--accent);
+}
+
+.modal-btn {
+  padding: 8px 16px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  font-family: "JetBrains Mono", monospace;
+  font-size: 0.85rem;
+  cursor: pointer;
+  transition: all 150ms ease;
+}
+
+.modal-btn:hover {
+  border-color: var(--accent);
+  color: var(--accent);
+}
+
+.modal-btn.primary {
+  background: var(--accent);
+  color: white;
+  border-color: var(--accent);
+}
+
+.modal-btn.primary:hover {
+  opacity: 0.9;
+}
+
+.modal-btn.danger {
+  background: var(--danger);
+  color: white;
+  border-color: var(--danger);
+}
+
+.modal-btn.danger:hover {
+  opacity: 0.9;
+}
+
+.modal-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.modal-form-group {
+  margin-bottom: 16px;
+}
+
+.modal-form-group:last-child {
+  margin-bottom: 0;
+}
+
+.modal-warning {
+  padding: 12px;
+  background: var(--danger-bg);
+  border: 1px solid var(--danger);
+  border-radius: 6px;
+  color: var(--danger);
+  font-size: 0.85rem;
+  margin-bottom: 16px;
+  display: flex;
+  align-items: flex-start;
+  gap: 10px;
+}
+
+.modal-warning .icon {
+  flex-shrink: 0;
+  margin-top: 2px;
+}