feat: Add hypothesis testing and update dependencies

- Added property-based tests for camera affinity calculations using Hypothesis, enhancing test coverage and reliability.
- Updated `.gitignore` to include `.hypothesis` directory.
- Added `hypothesis` and `pytest` as dependencies in `pyproject.toml` and `uv.lock` for improved testing capabilities.
- Refactored imports in `playground.py` to include `Sequence` and `Mapping` from `beartype.typing`.
- Introduced a new test file `tests/test_affinity.py` for structured testing of affinity calculations.

uv.lock

@@ -448,6 +448,7 @@ dependencies = [
     { name = "awkward" },
     { name = "beartype" },
     { name = "cvxopt" },
+    { name = "hypothesis" },
     { name = "jax", extra = ["cuda12"] },
     { name = "jaxtyping" },
     { name = "jupytext" },
@@ -457,6 +458,7 @@ dependencies = [
     { name = "pandas" },
     { name = "plotly" },
     { name = "pyarrow" },
+    { name = "pytest" },
     { name = "scipy" },
     { name = "torch" },
     { name = "torchvision" },
@@ -474,6 +476,7 @@ requires-dist = [
     { name = "awkward", specifier = ">=2.7.4" },
     { name = "beartype", specifier = ">=0.20.0" },
     { name = "cvxopt", specifier = ">=1.3.2" },
+    { name = "hypothesis", specifier = ">=6.131.9" },
     { name = "jax", extras = ["cuda12"], specifier = ">=0.5.1" },
     { name = "jaxtyping", specifier = ">=0.2.38" },
     { name = "jupytext", specifier = ">=1.17.0" },
@@ -483,6 +486,7 @@ requires-dist = [
     { name = "pandas", specifier = ">=2.2.3" },
     { name = "plotly", specifier = ">=6.0.1" },
     { name = "pyarrow", specifier = ">=19.0.1" },
+    { name = "pytest", specifier = ">=8.3.5" },
     { name = "scipy", specifier = ">=1.15.2" },
     { name = "torch", specifier = ">=2.6.0" },
     { name = "torchvision", specifier = ">=0.21.0" },
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+[[package]]
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+dependencies = [
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+    { name = "exceptiongroup", marker = "python_full_version < '3.11'" },
+    { name = "iniconfig" },
+    { name = "packaging" },
+    { name = "pluggy" },
+    { name = "tomli", marker = "python_full_version < '3.11'" },
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+[[package]]
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