fix: gate setups on SEC filing completeness

app/models/sec_filing_gap.py

@@ -0,0 +1,31 @@
+from datetime import date, datetime
+
+from sqlalchemy import Date, DateTime, Index, String, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.database import Base
+
+
+class SecFilingGap(Base):
+    """Active SEC filing that could not yet be reconstructed.
+
+    Rows form a small retry queue. Successful snapshot ingestion deletes the
+    matching row; while a row remains, tickers mapped to its CIK are not eligible
+    for actionable trade setups.
+    """
+
+    __tablename__ = "sec_filing_gaps"
+    __table_args__ = (
+        UniqueConstraint("accession", name="uq_sec_filing_gaps_accession"),
+        Index("ix_sec_filing_gaps_cik", "cik"),
+    )
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    cik: Mapped[str] = mapped_column(String(10), nullable=False)
+    accession: Mapped[str] = mapped_column(String(25), nullable=False)
+    form: Mapped[str | None] = mapped_column(String(12), nullable=True)
+    index_date: Mapped[date | None] = mapped_column(Date, nullable=True)
+    reason: Mapped[str] = mapped_column(String(64), nullable=False)
+    coregistrant_ciks_json: Mapped[str | None] = mapped_column(Text, nullable=True)
+    first_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+    last_attempted_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)