release: bump version to 0.48.0

backend/app/models/collected_data.py

@@ -48,6 +48,8 @@ class CollectedData(Base):
     # Indexes for common queries
     __table_args__ = (
         Index("idx_collected_data_source_collected", "source", "collected_at"),
+        Index("idx_collected_data_source_current_id", "source", "is_current", "id"),
+        Index("idx_collected_data_source_task_id", "source", "task_id", "id"),
         Index("idx_collected_data_source_type", "source", "data_type"),
         Index("idx_collected_data_source_source_id", "source", "source_id"),
     )

backend/app/models/vessel.py

@@ -97,6 +97,7 @@ class AISRawObservation(Base):
 
     __table_args__ = (
         Index("idx_ais_raw_entity_observed", "target_schema", "entity_key", "observed_at"),
+        Index("idx_ais_raw_schema_observed_entity", "target_schema", "observed_at", "entity_key"),
         Index("idx_ais_raw_source_entity", "source", "entity_key"),
     )
 

backend/app/models/vessel_enrichment.py

@@ -0,0 +1,63 @@
+"""Vessel enrichment cache tables (v5).
+
+Profile and media enrichment are stored separately so cache TTLs can differ
+and so the conflict-resolution + display layers can read either independently.
+"""
+
+from sqlalchemy import BigInteger, Column, DateTime, Float, JSON, String
+from sqlalchemy.sql import func
+
+from app.core.time import to_iso8601_utc
+from app.db.session import Base
+
+
+class VesselProfileEnrichment(Base):
+    """Cached static vessel profile (type, flag, dimensions, operator, etc.)."""
+
+    __tablename__ = "vessel_profile_enrichment"
+
+    mmsi = Column(BigInteger, primary_key=True)
+    source = Column(String(100), nullable=False, default="system")
+    payload = Column(JSON, nullable=False, default=dict)
+    fetched_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
+    expires_at = Column(DateTime(timezone=True), nullable=True)
+    confidence = Column(Float, nullable=True)
+    reference_url = Column(String(500), nullable=True)
+    updated_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now())
+
+    def to_dict(self) -> dict:
+        return {
+            "mmsi": self.mmsi,
+            "source": self.source,
+            "payload": self.payload or {},
+            "fetched_at": to_iso8601_utc(self.fetched_at),
+            "expires_at": to_iso8601_utc(self.expires_at),
+            "confidence": self.confidence,
+            "reference_url": self.reference_url,
+        }
+
+
+class VesselMediaEnrichment(Base):
+    """Cached vessel imagery / external detail references."""
+
+    __tablename__ = "vessel_media_enrichment"
+
+    mmsi = Column(BigInteger, primary_key=True)
+    source = Column(String(100), nullable=False, default="system")
+    payload = Column(JSON, nullable=False, default=dict)
+    fetched_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
+    expires_at = Column(DateTime(timezone=True), nullable=True)
+    confidence = Column(Float, nullable=True)
+    reference_url = Column(String(500), nullable=True)
+    updated_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now())
+
+    def to_dict(self) -> dict:
+        return {
+            "mmsi": self.mmsi,
+            "source": self.source,
+            "payload": self.payload or {},
+            "fetched_at": to_iso8601_utc(self.fetched_at),
+            "expires_at": to_iso8601_utc(self.expires_at),
+            "confidence": self.confidence,
+            "reference_url": self.reference_url,
+        }