feat: centralize pre-commit hooks

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+# Generic hooks for the whole repository
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+# Backend (Python) specific hooks
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.12.3
+    hooks:
+      - id: ruff-check
+        args: [ --fix ]
+        files: ^backend/
+      - id: ruff-format
+        files: ^backend/

backend/.pre-commit-config.yaml

@@ -1,8 +0,0 @@
-
-repos:
-  - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.3
-    hooks:
-      - id: ruff-check
-        args: [ --fix ]
-      - id: ruff-format