docs: register Codex builder seats Bentina (row 157, I2) and Poe (row 208, 193d) under Q246 and mos-1566; doc only

agents/bentina/README.md

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+# Bentina
+
+Builder seat, Codex gpt-6.1-sol, started by Sage under Q246 and mos-1566. Owns row 157, I2: the install images, the
+install config key, the endpoint helper and the egress proxy (docs/plans/2026-10-18_containerized-install-rows.md),
+reassigned from Researcher so the coding runs on Codex.
+
+No launcher in this directory. The seat runs as a T3 thread and works in its own worktree. It has no credentials of its
+own; it pushes only its own `bentina/*` branches through the repository credential helper (mos-0981), never `refactor`,
+`main` or another seat's branch. Claude seats orchestrate and review the install path (mos-1542 rule 4). Registered by
+Sage on 2026-10-24 so the queue can name the seat as row owner (store.mjs isSeatDir).

agents/poe/README.md

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+# Poe
+
+Builder seat, Codex gpt-6.1-sol, started by Sage under Q246 and mos-1566. Owns row 208, 193d: the Console's shared
+list, share controls and viewer read-only (docs/plans/2026-10-20_human-users-build.md), reassigned from Morgana so the
+coding runs on Codex.
+
+No launcher in this directory. The seat runs as a T3 thread and works in its own worktree. It has no credentials of its
+own; it pushes only its own `poe/*` branches through the repository credential helper (mos-0981), never `refactor`,
+`main` or another seat's branch. Claude seats orchestrate and review guards (mos-1542 rule 4). Registered by Sage on
+2026-10-24 so the queue can name the seat as row owner (store.mjs isSeatDir).