Hide CancellationToken parameters from CLI help output
#33
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Summary
Cocona exposes method parameters as CLI options by default, which caused
CancellationTokenparameters to appear as--cancellation-tokenin help output. This PR removes those parameters from command method signatures and instead injectsICoconaAppContextAccessorto access the cancellation token from the Cocona app context. This keeps CLI help clean and user-focused while preserving proper cancellation support.Related Issues
Fixes #21
Changes
SwitchTemplateSubCommandandNewCommandControllerto injectICoconaAppContextAccessorand retrieveCancellationTokenfrom context instead of method parametersCoconaCommandMethodConventionsTestsregression test that scans command methods via reflection and fails if any exposeCancellationTokenparametersCoconaAppContextFactorytest utility for creatingCoconaAppContextinstances in testsCLAUDE.mdwith Cocona conventions for handlingCancellationTokenand document the new test utilities