Ship Fase B slices: hierarchy, derating bands, timing, PI, ESD/return.

ERROR stays only for RULE+MANDATORY. Hierarchy walks component→pin→net→block.
Derating is PASS/MARGIN/RISK from Vop/Vrated. Timing and PI skip without numbers.
ESD and HS return path are REVIEW, not RULE ERROR.

docs/motore-finding.md

@@ -109,6 +109,8 @@ Geometria board: width/thickness, via, pour courtyard, placement mm, return/stit
 
 ## 9. Fasi (non fingere completezza)
 
-**Fase A (questa slice):** oggetto finding + clamp provenance/class + decisions + UI schema/PCB + libreria condivisa + check geometria già gated.
+**Fase A:** oggetto finding + clamp provenance/class (**ERROR solo se RULE e MANDATORY**) + decisions + UI schema/PCB + libreria condivisa + check geometria già gated.
 
-**Fase B (pianificata):** gerarchia component→system; timing; energy/thermal solo con θJA/P/I_load; ratings; derating PASS/MARGIN/RISK; PI; SI oltre skew mm; return path oltre stitch INFO; ESD/EMI; thermal FEM; BOM↔PCB↔datasheet; SPOF come REVIEW.
+**Fase B (questa slice):** gerarchia component→pin→net→block; derating PASS/MARGIN/RISK da Vop/Vrated; timing RC/strap solo con numeri; PI local vs bulk; ESD e return path come REVIEW.
+
+**Fase B ancora aperta:** thermal FEM; SI oltre skew mm; BOM↔PCB↔datasheet; SPOF; EMI oltre ESD.