chore: initialize project scaffold

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,37 @@
+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ai-chat-exporter"
+version = "0.1.0"
+description = "Export ChatGPT and Claude conversation history to Markdown for personal archival in Joplin"
+requires-python = ">=3.11"
+dependencies = [
+    "requests==2.31.0",
+    "click==8.1.7",
+    "python-dotenv==1.0.1",
+    "rich==13.7.1",
+    "python-slugify==8.0.4",
+    "PyJWT==2.8.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest==8.1.1",
+    "pytest-mock==3.14.0",
+    "responses==0.25.3",
+]
+
+[project.scripts]
+ai-chat-exporter = "src.main:cli"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["src*"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+python_classes = ["Test*"]
+python_functions = ["test_*"]