diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f8b3af0..84a9e6c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,8 +6,15 @@ repos:
   - id: commitizen-branch
     stages:
     - pre-push
-- repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.12.5
+- repo: local
   hooks:
     - id: ruff-check
+      name: ruff-check
+      entry: uv run ruff check
+      language: system
+      types: [python]
     - id: ruff-format
+      name: ruff-format
+      entry: uv run ruff format
+      language: system
+      types: [python]
diff --git a/CLAUDE.md b/CLAUDE.md
index 69db26a..f7e5e87 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -38,6 +38,9 @@ mcp run --transport sse nextcloud_mcp_server.app:mcp
 # Docker development environment with Nextcloud instance
 docker-compose up
 
+# After code changes, rebuild and restart only the MCP server container
+docker-compose up --build -d mcp
+
 # Build Docker image
 docker build -t nextcloud-mcp-server .
 ```
@@ -96,6 +99,7 @@ Each Nextcloud app has a corresponding server module that:
 - **Integration tests** in `tests/integration/` - Test real Nextcloud API interactions
 - **Fixtures** in `tests/conftest.py` - Shared test setup and utilities
 - Tests are marked with `@pytest.mark.integration` for selective running
+- **Important**: Integration tests run against live Docker containers. After making code changes to the MCP server, rebuild only the MCP container with `docker-compose up --build -d mcp` before running tests
 
 ### Configuration Files
 
diff --git a/nextcloud_mcp_server/client/base.py b/nextcloud_mcp_server/client/base.py
index 664353b..3dbabdf 100644
--- a/nextcloud_mcp_server/client/base.py
+++ b/nextcloud_mcp_server/client/base.py
@@ -39,6 +39,13 @@ def retry_on_429(func):
                         f"429 Client Error: Too Many Requests, Number of attempts: {retries}"
                     )
                     time.sleep(5)
+                elif e.response.status_code == 404:
+                    # 404 errors are often expected (e.g., checking if attachments exist)
+                    # Log as debug instead of warning
+                    logger.debug(
+                        f"HTTPStatusError {e.response.status_code}: {e}, Number of attempts: {retries}"
+                    )
+                    raise
                 else:
                     logger.warning(
                         f"HTTPStatusError {e.response.status_code}: {e}, Number of attempts: {retries}"
diff --git a/nextcloud_mcp_server/client/webdav.py b/nextcloud_mcp_server/client/webdav.py
index fbe4f28..d6f3fd9 100644
--- a/nextcloud_mcp_server/client/webdav.py
+++ b/nextcloud_mcp_server/client/webdav.py
@@ -31,7 +31,7 @@ class WebDAVClient(BaseNextcloudClient):
             # First try a PROPFIND to verify resource exists
             propfind_headers = {"Depth": "0", "OCS-APIRequest": "true"}
             try:
-                propfind_resp = await self._client.request(
+                propfind_resp = await self._make_request(
                     "PROPFIND", webdav_path, headers=propfind_headers
                 )
                 logger.debug(
@@ -44,8 +44,7 @@ class WebDAVClient(BaseNextcloudClient):
                 # For other errors, continue with deletion attempt
 
             # Proceed with deletion
-            response = await self._client.delete(webdav_path, headers=headers)
-            response.raise_for_status()
+            response = await self._make_request("DELETE", webdav_path, headers=headers)
             logger.debug(f"Successfully deleted WebDAV resource '{path}'")
             return {"status_code": response.status_code}