| from agents.variants.base import TeacherVariant | |
| class P3(TeacherVariant): | |
| """Hard-anchor splice (diagnostic probe): contiguous verbatim keep to the first | |
| error, one pivot, correct continuation. t* is the longest-common-prefix boundary | |
| (free & exact). Run once to price unmasked self-sharpening (P3 - P1).""" | |
| name = "p3_splice" | |
| description = "contiguous verbatim keep + one pivot; t* = LCP boundary" | |
| def t_star(self, prefix, rollout, tok): | |
| return self._lcp_t_star(prefix, rollout, tok) | |
| VARIANT = P3 | |