| Required operating inputs | - Approved safety language, service-area, availability, equipment-context, and escalation rules
- The dispatch or job record and person accountable for urgent exceptions and schedule changes
- Appointment types, durations, availability source, buffers, and booking permissions
- Confirmation, reminder, rescheduling, cancellation, and staff-escalation rules
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| Release acceptance test | Run one de-identified or synthetic urgent HVAC service request through the configured path and verify that the ordinary request receives only valid slots, creates one complete appointment record, sends the approved preparation, and routes an exception without inventing availability. Record the expected state, actual state, exception owner, and corrective action before release. |
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| Stop condition | Do not release or continue the automated path when the caller reports a possible safety hazard, the service promise is unavailable, or diagnosis, price, scope, or dispatch priority requires a qualified person, or when calendar state, appointment fit, required preparation, or an exception owner cannot be verified. Preserve the record and route the case to the named human owner. |
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| Human boundary | Qualified HVAC staff retain safety judgment, diagnosis, dispatch priority, pricing, scope, repair recommendations, and job acceptance. The configured system may capture and route approved facts but cannot diagnose equipment or improvise emergency instructions. |
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