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/models/__init__.py

@@ -0,0 +1,47 @@
+# app/modules/prospecting/models/__init__.py
+from app.modules.prospecting.models.campaign import (
+    CampaignChannel,
+    CampaignSend,
+    CampaignSendStatus,
+    CampaignTemplate,
+    LeadType,
+)
+from app.modules.prospecting.models.interaction import (
+    InteractionOutcome,
+    InteractionType,
+    ProspectInteraction,
+)
+from app.modules.prospecting.models.performance_profile import (
+    ProspectPerformanceProfile,
+)
+from app.modules.prospecting.models.prospect import (
+    Prospect,
+    ProspectChannel,
+    ProspectStatus,
+)
+from app.modules.prospecting.models.prospect_contact import ContactType, ProspectContact
+from app.modules.prospecting.models.prospect_score import ProspectScore
+from app.modules.prospecting.models.scan_job import JobStatus, JobType, ProspectScanJob
+from app.modules.prospecting.models.tech_profile import ProspectTechProfile
+
+__all__ = [
+    "Prospect",
+    "ProspectChannel",
+    "ProspectStatus",
+    "ProspectTechProfile",
+    "ProspectPerformanceProfile",
+    "ProspectScore",
+    "ProspectContact",
+    "ContactType",
+    "ProspectScanJob",
+    "JobType",
+    "JobStatus",
+    "ProspectInteraction",
+    "InteractionType",
+    "InteractionOutcome",
+    "CampaignTemplate",
+    "CampaignSend",
+    "CampaignChannel",
+    "CampaignSendStatus",
+    "LeadType",
+]