feat(prospecting): add complete prospecting module for lead discovery and scoring

Migrates scanning pipeline from marketing-.lu-domains app into Orion module.
Supports digital (domain scan) and offline (manual capture) lead channels
with enrichment, scoring, campaign management, and interaction tracking.

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

app/modules/prospecting/__init__.py

@@ -0,0 +1,37 @@
+# app/modules/prospecting/__init__.py
+"""
+Prospecting Module - Lead discovery, scoring, and campaign management.
+
+This is a self-contained module providing:
+- Domain scanning and website analysis for Luxembourg businesses
+- Offline lead capture (street encounters, networking)
+- Opportunity scoring algorithm
+- Marketing campaign management tailored by lead type
+- Interaction tracking and follow-up reminders
+
+Module Structure:
+- models/ - Database models (prospects, tech profiles, scores, campaigns, etc.)
+- services/ - Business logic (enrichment, scoring, lead filtering, campaigns)
+- schemas/ - Pydantic DTOs
+- routes/ - API and page routes (admin only)
+- tasks/ - Celery background tasks for batch scanning
+- exceptions.py - Module-specific exceptions
+"""
+
+
+def __getattr__(name: str):
+    """Lazy import module components to avoid circular imports."""
+    if name == "prospecting_module":
+        from app.modules.prospecting.definition import prospecting_module
+
+        return prospecting_module
+    if name == "get_prospecting_module_with_routers":
+        from app.modules.prospecting.definition import (
+            get_prospecting_module_with_routers,
+        )
+
+        return get_prospecting_module_with_routers
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
+
+
+__all__ = ["prospecting_module", "get_prospecting_module_with_routers"]