docs(track-a): checkpoint live promotion coordinator barrier

[blakinio]

OTCLIENT-TIBIA-RE COORD checkpoint

Coordinator-only durable barrier update from exact main@0d7b2607912552599ae501891491aab439cfde7b.

This PR owns only docs/agents/tasks/active/OTC-20260816-track-a-promotion-coordination.md and performs no physical runtime work.

Material dispositions

• closed duplicate P1 Draft feat(track-a): rebuild P1 bridge health contract #359 unmerged; canonical P1 Draft is feat(track-a): harden P1 bridge health and recovery #357;
• feat(track-a): harden P1 bridge health and recovery #357: ACCEPT_WITH_EDITS, green exact-head checks, blocked from promotion by required reusable-integration docs plus shared-index ownership serialization with open PR feat(ui): prototype Oteryn login shell #23;
• feat(track-a): implement canonical bootstrap rebind and Gate B #360: RETURN_FOR_EVIDENCE, with open HIGH findings for rebind rollback, shell-worker argv mismatch and credential exposure through child argv, plus unresolved historical/shared wireproxy ownership;
• ci(track-a): run canonical physical runtime E2E #358: accepted only as read-only reconciliation evidence; canonical registration is absent, lease generation 0, bootstrap required and physical mutation remains unauthorized;
• research(track-a): validate Qt 6.9.3 Linux QLibrary candidates #356: RETURN_FOR_EVIDENCE; load-bearing hosted Qt source validator failed and must distinguish generated candidates from conditional actual dlopen attempts;
• research(track-a): trace retained byte-container consumer #310 remains hosted exact-client staging blocked; research(track-a): recover direct player position #302 remains canonical-runtime prerequisite blocked.

Current runtime nonclaims remain :98 UNKNOWN, 6082 UNKNOWN, exact PID/session NOT_REGISTERED.

No Synology runtime use, login, X11/VNC access, client mutation, credentials, owner-funded Codex/OpenAI API/paid AI quota or Track B mutation is performed by this coordinator PR.

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[blakinio]

Coordinator terminal state for this foreground invocation:

• exact checkpoint head: 33f11feb30d02a77d62ba82762a7b3dbdebd105d;
• changed paths: only docs/agents/tasks/active/OTC-20260816-track-a-promotion-coordination.md;
• PR feat(track-a): rebuild P1 bridge health contract #359 closed unmerged as duplicate of canonical P1 feat(track-a): harden P1 bridge health and recovery #357;
• stale physical-runtime PR research(track-a): prove runtime reacquisition stability #303 closed unmerged as superseded historical evidence; sole current physical RUNTIME lane remains ci(track-a): run canonical physical runtime E2E #358;
• feat(track-a): implement canonical bootstrap rebind and Gate B #360 remains RETURN_FOR_EVIDENCE with TACOORD-360-001..004 open;
• research(track-a): validate Qt 6.9.3 Linux QLibrary candidates #356 remains RETURN_FOR_EVIDENCE with QLIB-COORD-001..002 open;
• feat(track-a): harden P1 bridge health and recovery #357 remains ACCEPT_WITH_EDITS but shared integration-index ownership is still serialized behind open PR feat(ui): prototype Oteryn login shell #23;
• ci(track-a): run canonical physical runtime E2E #358 remains blocked on reviewed bootstrap/rebind/Gate-B code promoted to trusted main;
• P2 research(track-a): trace retained byte-container consumer #310 and P0 research(track-a): recover direct player position #302 retain their recorded input/runtime blockers.

Ready-generation checks on this exact head were queued as Track A governance 31945451888 (#203) and repository CI 31945452001 (#3615). Auto-merge was configured once successfully; no further polling is performed by this invocation.

Runtime nonclaims remain authoritative: :98 = UNKNOWN, 6082 = UNKNOWN, exact PID/session = NOT_REGISTERED. No physical runtime mutation/login/X11/VNC operation and no owner-funded Codex/OpenAI API/paid AI use occurred.