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The Headcount tab is a live what-if model. Drag the sliders, watch the breach date and the cost shift. The same maths drives Horizon’s capacity card and the Capacity headroom signal on the Watchlist.

The six inputs

Defaults seed from your current workspace numbers, so you start from your real state.

The four outputs

If volume isn’t growing, the breach date returns “no breach” and capacity is treated as stable.

The 28-week chart

Three lines projected forward 28 weeks:
  • Volume (blue), tickets that will hit human queue, deflection-adjusted.
  • Current capacity (red dashed), what the existing team can handle at target utilisation.
  • +1 hire capacity (green dashed), the same line if you add one agent today.
Two vertical markers: a black dashed Hire by line and a red dashed Breach line. The instant the volume line crosses Breach, you’re past target utilisation and CSAT starts degrading downstream.

The AI Business Case

Below the chart, Generate case produces a board-ready, three-paragraph argument for the hire. It uses the exact numbers from your sliders, current state, breach week, hire-by week, cost, and argues the cost of not hiring. Plain prose, no bullets. Copy-button ready. Voice is the standard Forepost voice, direct, sharp, named numbers.

When the case won’t generate

Same gate as everything else AI-driven: workspace below the completeness threshold → templated refusal, no Anthropic call. Fill in the missing fields in Settings, then come back.

How the maths works

Documented separately in Capacity model. The short version: target utilisation × per-agent throughput × team size = team cap. Project forward against deflection-adjusted volume. The crossover is the breach date.