Initial commit: CI Agent competitive-intelligence monitoring app

FastAPI + Celery + Next.js + Postgres/Redis app with company monitoring,
source collection, LLM-based change analysis, enrichment, and account
security (Turnstile, escalating lockout, email verification).

apps/api/app/models/alert.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import uuid
+
+from sqlalchemy import Boolean, Enum, Float, ForeignKey, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
+from app.models.enums import SeverityLevel
+
+
+class Alert(Base, UUIDPrimaryKeyMixin, TimestampMixin):
+    __tablename__ = "alerts"
+
+    company_id: Mapped[uuid.UUID] = mapped_column(
+        ForeignKey("companies.id", ondelete="CASCADE"), index=True
+    )
+    detected_change_id: Mapped[uuid.UUID] = mapped_column(
+        ForeignKey("detected_changes.id", ondelete="CASCADE"), index=True
+    )
+    user_id: Mapped[uuid.UUID] = mapped_column(
+        ForeignKey("users.id", ondelete="CASCADE"), index=True
+    )
+    title: Mapped[str] = mapped_column(String(200))
+    summary: Mapped[str] = mapped_column(Text)
+    why_it_matters: Mapped[str] = mapped_column(Text)
+    severity: Mapped[SeverityLevel] = mapped_column(
+        Enum(SeverityLevel, native_enum=False, length=20)
+    )
+    confidence: Mapped[float] = mapped_column(Float)
+    read: Mapped[bool] = mapped_column(Boolean, default=False)
+    resolved: Mapped[bool] = mapped_column(Boolean, default=False)