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/performance_profile.py

@@ -0,0 +1,64 @@
+# app/modules/prospecting/models/performance_profile.py
+"""
+Performance profile for a prospect's website.
+
+Stores Lighthouse audit results including Core Web Vitals,
+mobile-friendliness, and asset size analysis.
+"""
+
+from sqlalchemy import Boolean, Column, Float, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import relationship
+
+from app.core.database import Base
+from models.database.base import TimestampMixin
+
+
+class ProspectPerformanceProfile(Base, TimestampMixin):
+    """Performance audit results from PageSpeed Insights / Lighthouse."""
+
+    __tablename__ = "prospect_performance_profiles"
+
+    id = Column(Integer, primary_key=True, index=True)
+    prospect_id = Column(Integer, ForeignKey("prospects.id", ondelete="CASCADE"), nullable=False, unique=True)
+
+    # Lighthouse Scores (0-100)
+    performance_score = Column(Integer, nullable=True)
+    accessibility_score = Column(Integer, nullable=True)
+    best_practices_score = Column(Integer, nullable=True)
+    seo_score = Column(Integer, nullable=True)
+
+    # Core Web Vitals
+    first_contentful_paint_ms = Column(Integer, nullable=True)
+    largest_contentful_paint_ms = Column(Integer, nullable=True)
+    total_blocking_time_ms = Column(Integer, nullable=True)
+    cumulative_layout_shift = Column(Float, nullable=True)
+    speed_index = Column(Integer, nullable=True)
+    time_to_interactive_ms = Column(Integer, nullable=True)
+
+    # Mobile
+    is_mobile_friendly = Column(Boolean, nullable=True)
+    viewport_configured = Column(Boolean, nullable=True)
+    font_size_ok = Column(Boolean, nullable=True)
+    tap_targets_ok = Column(Boolean, nullable=True)
+
+    # Asset Sizes (bytes)
+    total_bytes = Column(Integer, nullable=True)
+    html_bytes = Column(Integer, nullable=True)
+    css_bytes = Column(Integer, nullable=True)
+    js_bytes = Column(Integer, nullable=True)
+    image_bytes = Column(Integer, nullable=True)
+    font_bytes = Column(Integer, nullable=True)
+
+    # Request Counts
+    total_requests = Column(Integer, nullable=True)
+    js_requests = Column(Integer, nullable=True)
+    css_requests = Column(Integer, nullable=True)
+    image_requests = Column(Integer, nullable=True)
+
+    # Raw data
+    lighthouse_json = Column(Text, nullable=True)  # JSON string
+    scan_strategy = Column(String(20), nullable=True)  # mobile or desktop
+    scan_error = Column(Text, nullable=True)
+
+    # Relationships
+    prospect = relationship("Prospect", back_populates="performance_profile")