| 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
- Trigger, allowed payload, source and destination records, permissions, and idempotency rule
- Retry, timeout, duplicate, alert, recovery, audit, and rollback ownership
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| Release acceptance test | Run one de-identified or synthetic urgent HVAC service request through the configured path and verify that one normal event and one duplicate or failed event produce the expected records, customer communication, owner alert, and recoverable state. 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 the event contract, permission boundary, duplicate handling, failure alert, or recovery owner is undefined. 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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