New Version 2 -- prolly doesn't work.

pyproject.toml

@@ -0,0 +1,105 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "stegasoo"
+version = "2.0.0"
+description = "Secure steganography with hybrid photo + passphrase + PIN authentication"
+readme = "README.md"
+license = "MIT"
+requires-python = ">=3.10"
+authors = [
+    { name = "Aaron D. Lee" }
+]
+keywords = [
+    "steganography",
+    "encryption",
+    "security",
+    "privacy",
+    "cryptography",
+    "image",
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Environment :: Console",
+    "Environment :: Web Environment",
+    "Intended Audience :: Developers",
+    "Intended Audience :: End Users/Desktop",
+    "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",
+    "Topic :: Security :: Cryptography",
+    "Topic :: Multimedia :: Graphics",
+]
+
+dependencies = [
+    "pillow>=10.0.0",
+    "cryptography>=41.0.0",
+    "argon2-cffi>=23.0.0",
+]
+
+[project.optional-dependencies]
+cli = [
+    "click>=8.0.0",
+]
+web = [
+    "flask>=3.0.0",
+    "gunicorn>=21.0.0",
+]
+api = [
+    "fastapi>=0.100.0",
+    "uvicorn[standard]>=0.20.0",
+    "python-multipart>=0.0.6",
+]
+all = [
+    "stegasoo[cli,web,api]",
+]
+dev = [
+    "stegasoo[all]",
+    "pytest>=7.0.0",
+    "pytest-cov>=4.0.0",
+    "black>=23.0.0",
+    "ruff>=0.1.0",
+    "mypy>=1.0.0",
+]
+
+[project.scripts]
+stegasoo = "stegasoo.cli:main"
+
+[project.urls]
+Homepage = "https://github.com/example/stegasoo"
+Documentation = "https://github.com/example/stegasoo#readme"
+Repository = "https://github.com/example/stegasoo"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/src",
+    "/data",
+]
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/stegasoo"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]
+addopts = "-v --cov=stegasoo --cov-report=term-missing"
+
+[tool.black]
+line-length = 100
+target-version = ["py310", "py311", "py312"]
+
+[tool.ruff]
+line-length = 100
+select = ["E", "F", "I", "N", "W", "UP"]
+ignore = ["E501"]
+
+[tool.mypy]
+python_version = "3.10"
+warn_return_any = true
+warn_unused_configs = true
+ignore_missing_imports = true