Initial agentic relationship support in scheduler

[sjmonson]

Summary

This PR expands the scope of multiturn scheduling to handle agentic style request relationships (fork/spawn/join/etc).

Details

• [ ]

Test Plan

Related Issues

• Resolves #

---

• "I certify that all code in this PR is my own, except as noted below."

Use of AI

• Includes code generated or substantially modified by an AI agent
• Includes tests generated or substantially modified by an AI agent

NOTE: the Generated-by or Assisted-by trailers should be used in git commit messages when code or tests were generated or substantially modified by an AI agent, as described in the project's DEVELOPING.md file.

---

git log

commit 4fd8c8b
Author: Samuel Monson smonson@redhat.com
Date: Tue Jul 7 13:16:44 2026 -0400

wip: Add DAG primitives

Signed-off-by: Samuel Monson <smonson@redhat.com>

commit 0c732b5
Author: Samuel Monson smonson@redhat.com
Date: Tue Jul 7 13:19:00 2026 -0400

wip: Wire request_info into into DAG

Signed-off-by: Samuel Monson <smonson@redhat.com>

---

Signed-off-by: Samuel Monson smonson@redhat.com