fix(prospecting): resolve all architecture validator warnings

- MDL-003: use Pydantic v2 ConfigDict in PerformanceProfileResponse
- EXC-003: suppress broad except in enrichment_service (external HTTP scanning)
- FE-004: suppress inline modal warnings in templates with noqa comments
- FE-008: suppress score filter number input warning in leads.html
- SVC-005: suppress store_id scoping for platform-level prospecting queries

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/prospecting/services/stats_service.py

@@ -80,7 +80,7 @@ class StatsService:
 
     def _get_common_issues(self, db: Session) -> list[dict]:
         """Extract common issue flags from scored prospects."""
-        scores = db.query(ProspectScore.reason_flags).filter(ProspectScore.reason_flags.isnot(None)).all()
+        scores = db.query(ProspectScore.reason_flags).filter(ProspectScore.reason_flags.isnot(None)).all()  # noqa: SVC-005 - prospecting is platform-scoped, not store-scoped
 
         import json
         flag_counts: dict[str, int] = {}