feat: update pydantic, add pydantic-settings, migrate to dependency-groups

- Add pydantic-settings>=2.10.1 dependency for configuration management
- Update pydantic to 2.11.9 and python-dotenv to 1.1.1
- Migrate from deprecated tool.uv.dev-dependencies to dependency-groups.dev format
- Remove unnecessary dev dependencies: pillow, cairosvg
- Update all dev tooling to latest versions
- Remove duplicate python-dotenv from dev dependencies

pyproject.toml

@@ -9,7 +9,7 @@ authors = [
 ]
 dependencies = [
     # Core Dependencies
-    "pydantic>=2.4.2",
+    "pydantic>=2.11.9",
     "openai>=1.13.3",
     "litellm==1.74.9",
     "instructor>=1.3.3",
@@ -27,7 +27,7 @@ dependencies = [
     "openpyxl>=3.1.5",
     "pyvis>=0.3.2",
     # Authentication and Security
-    "python-dotenv>=1.0.0",
+    "python-dotenv>=1.1.1",
     "pyjwt>=2.9.0",
     # Configuration and Utils
     "click>=8.1.7",
@@ -40,6 +40,7 @@ dependencies = [
     "blinker>=1.9.0",
     "json5>=0.10.0",
     "portalocker==2.7.0",
+    "pydantic-settings>=2.10.1",
 ]
 
 [project.urls]
@@ -72,23 +73,20 @@ qdrant = [
     "qdrant-client[fastembed]>=1.14.3",
 ]
 
-[tool.uv]
+[dependency-groups]
-dev-dependencies = [
+dev = [
-    "ruff>=0.12.11",
+    "ruff>=0.13.1",
-    "mypy>=1.17.1",
+    "mypy>=1.18.2",
     "pre-commit>=4.3.0",
     "bandit>=1.8.6",
-    "pillow>=10.2.0",
+    "pytest>=8.4.2",
-    "cairosvg>=2.7.1",
+    "pytest-asyncio>=1.2.0",
-    "pytest>=8.0.0",
+    "pytest-subprocess>=1.5.3",
-    "python-dotenv>=1.0.0",
+    "pytest-recording>=0.13.4",
-    "pytest-asyncio>=0.23.7",
+    "pytest-randomly>=4.0.1",
-    "pytest-subprocess>=1.5.2",
+    "pytest-timeout>=2.4.0",
-    "pytest-recording>=0.13.2",
+    "pytest-xdist>=3.8.0",
-    "pytest-randomly>=3.16.0",
+    "pytest-split>=0.10.0",
-    "pytest-timeout>=2.3.1",
-    "pytest-xdist>=3.6.1",
-    "pytest-split>=0.9.0",
     "types-requests==2.32.*",
     "types-pyyaml==6.0.*",
     "types-regex==2024.11.6.*",