feat: close autonomous operations for blocked products

central/app/models.py

@@ -250,6 +250,30 @@ class Job(Base):
     error: Mapped[str | None] = mapped_column(Text, nullable=True)
 
 
+class BlockedProduct(Base):
+    """Deduplicated safe exception for one tenant/product/field/input."""
+    __tablename__ = "blocked_products"
+    __table_args__ = (UniqueConstraint("blocker_fingerprint", name="uq_blocked_product_fingerprint"),)
+    id: Mapped[int] = mapped_column(primary_key=True)
+    tenant_id: Mapped[int] = mapped_column(ForeignKey("tenants.id"), index=True)
+    company: Mapped[str] = mapped_column(String(128), index=True)
+    product_code: Mapped[str] = mapped_column(String(64), index=True)
+    gtin: Mapped[str | None] = mapped_column(String(16), nullable=True, index=True)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    blocker_type: Mapped[str] = mapped_column(String(48), index=True)
+    field: Mapped[str] = mapped_column(String(64), index=True)
+    reason_code: Mapped[str] = mapped_column(String(96))
+    evidence_summary: Mapped[dict] = mapped_column(JSON, default=dict)
+    input_fingerprint: Mapped[str] = mapped_column(String(64), index=True)
+    blocker_fingerprint: Mapped[str] = mapped_column(String(64))
+    first_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    last_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    retry_count: Mapped[int] = mapped_column(Integer, default=0, server_default="0")
+    next_retry_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    resolved_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    resolution_source: Mapped[str | None] = mapped_column(String(48), nullable=True)
+
+
 class ClassificationRequest(Base):
     __tablename__ = "classification_requests"
     id: Mapped[int] = mapped_column(primary_key=True)