SFM 2.1 Pre-Planck Test Cases:

This paper applies SFM 2.1 as a pre-Planck descriptive admissibility audit to claims that speak about, through, beneath, or prior to the Planck boundary. The purpose is not to decide whether a physical theory is true or false. The purpose is to test whether the language used by a theory remains structurally admissible when ordinary spacetime, time-ordering, objecthood, causal sequence, and classical description may no longer be safely assumed. SFM 2.1 treats the Planck boundary not only as a physical modelling limit, but also as a descriptive permission boundary. A claim must pass an admissibility gate before its language is allowed to continue unchanged. The paper develops a repeatable test-case method and applies it to thirteen representative Planck-boundary or pre-Planck claims, including loop quantum bounce language, quantum foam, time from entanglement, pre-Big Bang inflation, Ryu-Takayanagi entropy relations, causal sets, spin foams, group field theory condensate cosmology, Hartle-Hawking no-boundary language, eternal inflation, conformal cyclic cosmology, string gas cosmology, and ekpyrotic / cyclic brane cosmology. The repeated result is that formal mathematical structures may remain admissible while ordinary narrative descriptions often require transformation, handover, or stopping. The central conclusion is: At the Planck boundary, the story must hand over to structure.