feat(agent): expose chat history with existing chat scope (#6443)

Co-authored-by: Raul <9117159+raultcj@users.noreply.github.com>

integrations/claude/skills/odysseus/SKILL.md

@@ -100,6 +100,14 @@ python3 ~/.claude/skills/odysseus/scripts/odysseus_api.py POST /api/codex/memory
 - `POST /api/codex/documents` — body `{"session_id": "...", "title": "...", "content": "...", "language": "markdown"}`. Requires `documents:write`.
 - `DELETE /api/codex/documents/{doc_id}` — delete a document. Requires `documents:write`.
 
+## Chat history
+
+- `GET /api/codex/chat/{session_id}?offset=0&limit=100` — read a paginated conversation transcript owned by the token owner. Requires the existing `chat` scope.
+
+```bash
+python3 ~/.claude/skills/odysseus/scripts/odysseus_api.py GET /api/codex/chat/SESSION_ID
+```
+
 ## Email draft + send
 
 - Prefer `POST /api/codex/emails/draft-document` for agent-written email replies. It creates an editable Odysseus Document with `language: "email"` and does not touch IMAP/send.

integrations/claude/skills/odysseus/scripts/odysseus_api.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""Small Odysseus scoped API helper for Codex terminal sessions."""
+"""Small Odysseus scoped API helper for Claude Code terminal sessions."""
 
 from __future__ import annotations
 
@@ -44,7 +44,7 @@ def _config() -> tuple[str, str] | None:
     if not token:
         missing.append("ODYSSEUS_API_TOKEN")
     if missing:
-        print(f"missing {', '.join(missing)}; create a Codex Agent token in Odysseus Settings", file=sys.stderr)
+        print(f"missing {', '.join(missing)}; create a Claude Agent token in Odysseus Settings", file=sys.stderr)
         return None
     return base_url, token