Component 52 · Operations
Live session control
Request and govern temporary high-frequency telemetry or video access.
Overview
Request and govern temporary high-frequency telemetry or video access. It converts domain state into an understandable, traceable and accessible interface contract.
When to use
Use HE/Live session control when you need to request and govern temporary high-frequency telemetry or video access. Keep its role distinct from transport freshness, animal-health severity and model confidence.
Example
Live telemetry
15 minutes · approximately 48 MB
<section class="he-live-session-control"><div><h3>Live telemetry</h3><p>15 minutes · approximately 48 MB</p></div><button class="he-button">Start session</button></section>Anatomy
1Identity
2Primary value
3State
4Evidence or action
Anatomy stays identical in Pasture and Atlantic. A responsive layout may wrap or stack parts, but reading order and focus order remain equivalent.
Variants and states
Variants
States
Accessibility
State the bandwidth/cost impact, exact expiry, requester and an explicit Stop control.
- Maintain a visible keyboard focus indicator and a logical focus sequence.
- Never rely on colour alone for operational, freshness or severity state.
- Keep touch targets at least 44 × 44 px unless the target is an inline text link.
Cross-platform contract
| Surface | Canonical name | Status |
|---|---|---|
| Figma | HE/Live session control | stable |
| Web | .he-live-session-control | implemented |
| Flutter | HeLiveSessionControl | implemented |
| Token root | component.livesessioncontrol | generated |