Fix argument interpolation and add behavioral evals #4
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Summary
$ARGUMENTS.<name>at decision points. The executing agent could miss interpolated values and fall back to safe defaults (e.g.,auto-fix=false). All prose references replaced with explicit$ARGUMENTS.*tokens in the instruction body.make eval) that send interpolated prompts to Claude and assert the model correctly interprets argument values (auto-fix true/false, passes count, model resolution, scope resolution, tidy flags).test_argument_interpolationintest.shenforces every frontmatter argument appears as$ARGUMENTS.<name>in the body — prevents future regressions.Test plan
make test— 51 structural tests pass (including new interpolation check)make eval— 8 behavioral evals pass withANTHROPIC_API_KEYset$ARGUMENTS.*reference from a command body causesmake testto fail