ponder-lab / Hybridize-Functions-Refactoring / #2098

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Pull #655

github

Emit per-parameter input-signature drop attribution to a CSV in the evaluator

`Function.inferInputSignature`'s dispatch already computes a blocking
`AbsenceReason` for each parameter that prevents inference, but only the first
was retained (`getInferredInputSignatureAbsenceReason`, the function-level
`functions.csv` column). It now records every blocking parameter's reason in
declaration order, exposed read-only via `getBlockingParameterReasons` without
triggering inference.

The evaluator writes these to a new `blocked_parameters.csv` (one row per
blocking parameter: `subject, function, module, relative path, param index,
param name, absence reason`), complementing the function-grain column, which
cannot hold per-parameter rows.

`testInputSignatureMultipleNonTensorParameters` is extended to assert the new
map records both blocking parameters, with their reason, in declaration order.

Closes #654.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FuhM8SsTRB6BraLt3Ph7ZC

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