feat: move ruff hooks locally; add output for ci/cd autofixes; update ruff version; and fix new issues

.pre-commit-config.yaml

@@ -1,16 +1,18 @@
 exclude: ^(scratchpad/)
 
 repos:
-  - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.14
+  - repo: local
     hooks:
+      # Moving ruff hooks to the local version allows for different behavior locally and in ci/cd pipelines.
       - id: ruff-format
         name: "Ruff formatter"
-        args: [--config=pyproject.toml]
+        entry: bash -c 'if [ "$CICD" = "1" ]; then ruff format --check --diff --quiet --config=pyproject.toml "$@"; else ruff format --quiet --config=pyproject.toml "$@"; fi' --
+        language: system
         types_or: [python, jupyter]
       - id: ruff
         name: "Ruff linter"
-        args: [--exit-non-zero-on-fix, --fix, --config=pyproject.toml]
+        entry: bash -c 'if [ "$CICD" = "1" ]; then ruff check --no-fix --show-fixes --quiet --config=pyproject.toml "$@"; else ruff check --exit-non-zero-on-fix --fix --quiet --config=pyproject.toml "$@"; fi' --
+        language: system
         types_or: [python, jupyter]
 
   - repo: local

mellea/plugins/types.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from enum import Enum
+from enum import StrEnum
 from typing import Any
 
 try:
@@ -14,7 +14,7 @@
     _HAS_PLUGIN_FRAMEWORK = False
 
 
-class PluginMode(str, Enum):
+class PluginMode(StrEnum):
     """Execution modes for Mellea plugins.
 
     Execution order: SEQUENTIAL → TRANSFORM → AUDIT → CONCURRENT → FIRE_AND_FORGET
@@ -27,7 +27,7 @@ class PluginMode(str, Enum):
     FIRE_AND_FORGET = "fire_and_forget"
 
 
-class HookType(str, Enum):
+class HookType(StrEnum):
     """All Mellea hook types.
 
     Hook types are organized by lifecycle stage: session, component,

pyproject.toml

@@ -113,7 +113,7 @@ all = ["mellea[backends,docling,tools,telemetry,server,sandbox,granite_retriever
 
 # Code quality
 lint = [
-    "ruff>=0.11.6",
+    "ruff>=0.15.5",
     "isort>=6.0.0",
     "pre-commit>=4.2.0",
     "pylint>=3.3.4",