agents, decisions: Haiku rows as Sage-dispatched subagents, c98aaf4a retired (decision 129)

Co-Authored-By: Claude Opus 5.5 <[email protected]>

agents/README.md

@@ -15,7 +15,7 @@ not fleet seats. Keep changes in `/mnt/storage/src/mosaic-stack`; do not modify
 | Dewey | Frontend design, UX, accessibility, and UI implementation | Pi, configured Mosaic model | `agents/dewey/launch.sh` |
 | Rocko | General development, investigation, testing, and review | T3 session (Codex, gpt-6.1-sol, thread d99326cc, lead decision 122; Claude thread b84bb264 retired 2026-10-12); launcher Claude Code, Sonnet model | `agents/rocko/launch.sh` |
 | Filbert | General development, investigation, testing, and review | T3 session (Codex, gpt-6.1-sol, thread 50342f6a, lead decision 122; Claude thread 9cb9731e retired 2026-10-12); launcher Pi, `openai-codex/gpt-6-astra:low`, not to be used under R26 until it changes (lead decision 69) | `agents/filbert/launch.sh` |
-| Researcher | Source-grounded technical research and evidence | Pi, configured Mosaic model | `agents/researcher/launch.sh` |
+| Researcher | Source-grounded technical research and evidence | T3 session (Claude, Sonnet 5.5, thread 9bac0794, rows 97 and 98, lead decision 124); Haiku rows (71, 80, 84, 88, later 96) run as subagents Sage dispatches with model haiku, effort high and a worktree (lead decision 129); Haiku thread c98aaf4a retired 2026-10-13 unused; launcher Pi, configured Mosaic model | `agents/researcher/launch.sh` |
 | Sage | Project lead: coordination, review, integration; earlier DYOR strategy records retained | T3 session (Claude Code); Pi launcher `zai/glm-5.3:high` retained | `agents/sage/launch.sh` |
 
 Each script supports `--check` and `--fresh`. Normal launches resume the agent's