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/source.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+from typing import Any
+
+from sqlalchemy import JSON, Boolean, DateTime, Enum, Float, ForeignKey, Integer, String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
+from app.models.enums import MonitoringFrequency, SourceStatus, SourceType
+
+
+class Source(Base, UUIDPrimaryKeyMixin, TimestampMixin):
+    __tablename__ = "sources"
+
+    company_id: Mapped[uuid.UUID] = mapped_column(
+        ForeignKey("companies.id", ondelete="CASCADE"), index=True
+    )
+    source_type: Mapped[SourceType] = mapped_column(Enum(SourceType, native_enum=False, length=20))
+    name: Mapped[str] = mapped_column(String(200))
+    base_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    active: Mapped[bool] = mapped_column(Boolean, default=True)
+    status: Mapped[SourceStatus] = mapped_column(
+        Enum(SourceStatus, native_enum=False, length=20), default=SourceStatus.ACTIVE
+    )
+    trust_score: Mapped[float] = mapped_column(Float, default=0.7)
+    last_checked: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    last_successful_check: Mapped[datetime | None] = mapped_column(
+        DateTime(timezone=True), nullable=True
+    )
+    failure_count: Mapped[int] = mapped_column(Integer, default=0)
+    configuration_metadata: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict)
+
+    # Per-source check cadence override - NULL frequency_type means "inherit
+    # the company's default MonitorConfiguration cadence" (the behavior for
+    # every source before this feature existed, and still the default for
+    # any source that never sets an override). See app/tasks/scheduler.py
+    # and app/services/scheduling.py for how these combine into due-ness.
+    frequency_type: Mapped[MonitoringFrequency | None] = mapped_column(
+        Enum(MonitoringFrequency, native_enum=False, length=20), nullable=True
+    )
+    interval_minutes: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    cron_expression: Mapped[str | None] = mapped_column(String(120), nullable=True)
+    next_check: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)