Upgrade all dependencies to latest stable versions

Bump minimum Python to 3.12 (from 3.10) to unlock latest Sphinx,
myst-parser, and other packages that dropped 3.10/3.11 support.

Core: mcp 1.26, fastmcp 2.14.5, kicad-python 0.5, pandas 2.3.3,
requests 2.32.5, pyyaml 6.0.3, defusedxml 0.7.1

Dev: pytest 8.4.2, pytest-asyncio 1.3, ruff 0.15.1, mypy 1.19.1,
pytest-cov 7.0, pre-commit 4.5.1, bandit 1.9.3

Docs: sphinx 9.1, sphinx-rtd-theme 3.1, myst-parser 5.0

Remove unused playwright from visualization group.

.python-version

@@ -1 +1 @@
-3.10
+3.13

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatchling"]
+requires = ["hatchling>=1.28.0"]
 build-backend = "hatchling.build"
 
 [project]
@@ -32,23 +32,21 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Typing :: Typed"
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.12"
 dependencies = [
-    "mcp[cli]>=1.0.0",
-    "fastmcp>=2.0.0",
-    "pandas>=2.0.0",
-    "pyyaml>=6.0.0",
-    "defusedxml>=0.7.0",  # Secure XML parsing
-    "kicad-python>=0.4.0",  # KiCad IPC API bindings
-    "requests>=2.31.0",  # HTTP client for FreeRouting integration
+    "mcp[cli]>=1.26.0",
+    "fastmcp>=2.14.5",
+    "pandas>=2.3.3",
+    "pyyaml>=6.0.3",
+    "defusedxml>=0.7.1",  # Secure XML parsing
+    "kicad-python>=0.5.0",  # KiCad IPC API bindings
+    "requests>=2.32.5",  # HTTP client for FreeRouting integration
 ]
 
 [project.urls]
@@ -61,37 +59,36 @@ kicad-mcp = "kicad_mcp.server:main"
 
 [dependency-groups]
 dev = [
-    "pytest>=7.0.0",
-    "pytest-asyncio>=0.23.0",
-    "pytest-mock>=3.10.0",
-    "pytest-cov>=4.0.0",
-    "pytest-xdist>=3.0.0",
-    "ruff>=0.1.0",
-    "mypy>=1.8.0",
-    "pre-commit>=3.0.0",
-    "bandit>=1.7.0",  # Security linting for pre-commit hooks
+    "pytest>=8.4.2",
+    "pytest-asyncio>=1.3.0",
+    "pytest-mock>=3.15.1",
+    "pytest-cov>=7.0.0",
+    "pytest-xdist>=3.8.0",
+    "ruff>=0.15.1",
+    "mypy>=1.19.1",
+    "pre-commit>=4.5.1",
+    "bandit>=1.9.3",  # Security linting for pre-commit hooks
 ]
 docs = [
-    "sphinx>=7.0.0",
-    "sphinx-rtd-theme>=1.3.0",
-    "myst-parser>=2.0.0",
+    "sphinx>=9.1.0",
+    "sphinx-rtd-theme>=3.1.0",
+    "myst-parser>=5.0.0",
 ]
 security = [
-    "bandit>=1.7.0",
-    "safety>=3.0.0",
+    "bandit>=1.9.3",
+    "safety>=3.7.0",
 ]
 performance = [
     "memory-profiler>=0.61.0",
     "py-spy>=0.3.0",
 ]
 visualization = [
-    "cairosvg>=2.7.0",     # SVG to PNG conversion
-    "Pillow>=10.0.0",      # Image processing
-    "playwright>=1.40.0",  # Browser automation (optional)
+    "cairosvg>=2.8.2",     # SVG to PNG conversion
+    "Pillow>=12.1.1",      # Image processing
 ]
 
 [tool.ruff]
-target-version = "py310"
+target-version = "py312"
 line-length = 100
 
 [tool.ruff.lint]
@@ -137,7 +134,7 @@ skip-magic-trailing-comma = false
 line-ending = "auto"
 
 [tool.mypy]
-python_version = "3.11"
+python_version = "3.12"
 warn_return_any = true
 warn_unused_configs = true
 disallow_untyped_defs = false