app/api/routers/campaigns.py:51:    send_interval_seconds: float = Field(default=1.0, ge=0.5, le=3600)
app/api/routers/campaigns.py:87:        "send_interval_seconds": c.send_interval_seconds,
app/api/routers/campaigns.py:747:            si = float(data.get("send_interval_seconds", 1.0))
app/api/routers/campaigns.py:749:                errors.append("send_interval_seconds must be 0.5-3600")
app/api/routers/campaigns.py:751:            errors.append("send_interval_seconds must be numeric")
app/models/__init__.py:236:    send_interval_seconds = Column(Float, default=1.0)