Add power-margin, PG-to-EN sequencing, and DNP enable checks.

Compare only specified IQ plus I_load to Iout_max and series-R drop, flag sequencing only when power_sequence is in specs, and treat DNP as a fitted-variant graph so a missing enable pull is ERROR only when the BOM actually marks DNP.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/pinscopex/eval_report.py

@@ -24,6 +24,9 @@ from backend.pinscopex.bom_match_check import check_bom_schematic_match
 from backend.pinscopex.hf_coverage_check import check_hf_decoupling_coverage
 from backend.pinscopex.filter_check import check_filters
 from backend.pinscopex.thermal_check import check_thermal
+from backend.pinscopex.power_margin_check import check_power_margin
+from backend.pinscopex.sequencing_check import check_power_sequencing
+from backend.pinscopex.dnp_check import check_dnp_enables
 
 
 class EvalScores(BaseModel):
@@ -87,6 +90,9 @@ def run_deterministic_on_graph(graph: DesignGraph) -> list[Finding]:
     out.extend(check_hf_decoupling_coverage(graph, cmap))
     out.extend(check_filters(graph, cmap))
     out.extend(check_thermal(graph, cmap))
+    out.extend(check_power_margin(graph, cmap))
+    out.extend(check_power_sequencing(graph, cmap))
+    out.extend(check_dnp_enables(graph, cmap))
     return out