Abstract

An AI-agent task may appear complete at the conversational or orchestration layer while effect-capable queues, delegated jobs, cached approvals, hardware descriptors, in-flight tool calls, resource updates, or unresolved external operations remain. A coordinator may mark a project DONE based only on an evaluator score or a nominal final report. This creates a different hazard from partition recovery: a session can be falsely declared finally terminated despite residual capability to alter the world, or a supposedly completed session can later be inadvertently reactivated. Global closeout is a protected state transition, not a language-model statement. Final closure retires future action capability but does not reverse already committed physical, financial, or digital effects.

Difference from earlier parts: Earlier embodiments control the joint plan, the freeze, evaluation, next-actor selection, role reconfiguration, selective communication, the next-move passport, Finality Sink enforcement, substitute selection, pending-work escrow, verified phase advancement, actual-outcome feedback, independent evaluator integrity, and cross-domain partition recovery. This embodiment specifically controls protected multi-agent session closure — determining whether the entire declared work session has no remaining authorized or unresolved effect-bearing obligations and establishing an enforceable, non-reopenable retirement boundary.

This embodiment (Part 19 of a 27-part series under Indian Patent Application Number 202631131650; full details at https://zenodo.org/records/23940766) establishes that every mandatory enforcement domain must identify all applicable native obligations, classify their actual terminal state with authoritative evidence, account for pending communications and grants, advance or retain a protective fence, and provide a scope-bound seal. Only after a protected verifier establishes complete domain coverage may it commit a global closure tombstone. An agent, project manager, or evaluator receives no authority to bypass missing native evidence. Required domains reconcile queued messages, unresolved remote outcomes, and mandatory operations before constructing authenticated, generation-bound native domain-seal records. A global closeout verifier checks the entire frozen roster, each required domain root, outstanding unknown states, and current protected generations, then durably records a non-reopenable session closure tombstone and produces a bound closure certificate. Any late instruction is rejected by the sink; later evidence is appended to an auditable post-close reconciliation record without silently restoring effect authority.

The architecture therefore prevents multi-agent systems from treating conversational completion as true session termination, and ensures that residual effect capability cannot survive a declared close.

Keywords: multi-agent systems, agentic AI, AI safety, AI governance, session closure, cross-domain obligation reconciliation, native domain sealing, irreversible authority retirement, fail-closed systems, zero-trust agents, non-reopenable closure, global closure tombstone, domain-seal evidence, cross-organizational collaboration, execution finality, protected closeout, residual capability fencing, authoritative terminal-state classification, post-close late-event quarantine, communication completion vs effect completion, independently authenticated domain seal.

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Creative Commons License
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