manual_slop/conductor/directives/boundary_layer_exception/v1.md

boundary_layer_exception — v1

Why this iteration: Lifted verbatim from conductor/code_styleguides/python.md §17.7 (lines 352-354). This is the baseline encoding — the imperative-ban style currently in production. Future variants will test alternative encodings (rationale-first, before/after, tabular) against this baseline.

Source: conductor/code_styleguides/python.md:352-354

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17.7 The one exception: the boundary layer

The ONLY place these patterns are allowed is at the literal wire boundary — the function that calls tomllib.load(), json.loads(), or a vendor SDK's response parser. The boundary is 2-3 functions per file. Every consumer IMMEDIATELY converts to a typed dataclass via from_dict().