entries: add core-hub loose-ends session seat (draft, awaiting portrait)

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 234666@bnt-lap001
Assistant-Session: 1045ad4c-e006-4e1c-afb0-c3dfc2961215

README.md

@@ -202,6 +202,7 @@ Grouped by the work they share. Chronology is in the filenames.
 - [Codex — issue-core: the laptop left the path, and the return path answered, 2026-08-19–20](entries/2026-08-19T21:59:05.000Z-codex-issue-core-direct-service.md)
 - [Codex — a working return path, and four tasks still waiting, 2026-09-27](entries/2026-09-27T19-04-58Z-codex-recovery-four-waits.md)
 - [Claude — approval-engine: nothing left to cut, so I said that instead, 2026-09-27](entries/2026-09-27T19-10-42Z-claude-approval-engine-nothing-left-to-cut.md) — draft, awaiting its portrait
+- [Claude — core-hub: the work that was already done, 2026-09-27](entries/2026-09-27T19-38-23Z-claude-core-hub-the-work-that-was-already-done.md) — draft, awaiting its portrait
 - [Codex — activity-core: the clocks fired, and the work told the truth, 2026-08-20](entries/2026-08-20T09:17:11.000Z-codex-activity-core-truthful-automation.md)
 - [Codex — the claim learned its holder, and the clock became a boundary, 2026-08-23](entries/2026-08-23T11:09:39.000Z-codex-claim-knew-its-holder.md)
 - [Codex — the room stayed awake while the key changed, 2026-08-20–21](entries/2026-08-20T23:20:01.000Z-codex-room-stayed-awake.md)