Constrain numba on Intel macOS so llvmlite resolves to a wheel

Relaxing the numba pin was not sufficient on macOS x86_64. Resolvers pick the
newest compatible numba (0.67.0), which requires llvmlite >=0.49 -- and
llvmlite stopped publishing macOS x86_64 wheels at 0.46. Every version from
there on falls back to a source build that requires CMake:

    FileNotFoundError: llvmlite needs CMake tools to build.

Cap numba below 0.63 on Intel macOS only, which pins llvmlite to 0.45, the
last release shipping an x86_64 wheel. The marker leaves every other platform
free to resolve the latest numba.

Verified by installing into both a native arm64 venv (numba 0.67.0 /
llvmlite 0.49.0) and an x86_64 venv (numba 0.62.1 / llvmlite 0.45.1). Both
install from wheels with no CMake and `import fimserve` succeeds.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: supathdhitalGEO

pyproject.toml

@@ -34,6 +34,11 @@ dependencies = [
     "tqdm>=4.66",
     "python-dotenv>=1.0",
     "fimeval>=0.1.65",
+    # teehr pulls numba, which pulls llvmlite. llvmlite stopped publishing macOS
+    # x86_64 wheels at 0.46, so on Intel Macs anything newer falls back to a
+    # source build that needs CMake. numba <0.63 pins llvmlite to 0.45, the last
+    # release with an x86_64 wheel. Every other platform is left unconstrained.
+    "numba<0.63; sys_platform == 'darwin' and platform_machine == 'x86_64'",
 ]
 
 [project.optional-dependencies]