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/schemas/scan_job.py

@@ -0,0 +1,38 @@
+# app/modules/prospecting/schemas/scan_job.py
+"""Pydantic schemas for scan jobs."""
+
+from datetime import datetime
+
+from pydantic import BaseModel
+
+
+class ScanJobResponse(BaseModel):
+    """Schema for scan job response."""
+
+    id: int
+    job_type: str
+    status: str
+    total_items: int
+    processed_items: int
+    failed_items: int
+    skipped_items: int
+    progress_percent: float
+    started_at: datetime | None = None
+    completed_at: datetime | None = None
+    error_log: str | None = None
+    celery_task_id: str | None = None
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class ScanJobListResponse(BaseModel):
+    """Paginated scan job list."""
+
+    items: list[ScanJobResponse]
+    total: int
+    page: int
+    per_page: int
+    pages: int