pstack configuration for Codex
runtime: Codex
recommendation: gpt-5.6-sol@xhigh for architecture and final synthesis
boundary: pstack cannot change the active task model or reasoning effort; select them when starting the task
default child: gpt-5.6-terra@medium
routine work: gpt-5.6-terra@high
complex work: gpt-5.6-sol@high
how explorers: gpt-5.6-terra@medium
why investigators: gpt-5.6-terra@medium
why synthesizer: gpt-5.6-sol@high
how critics: gpt-5.6-terra@high, gpt-5.6-sol@high, gpt-5.6-sol@xhigh
arena runners: gpt-5.6-terra@high, gpt-5.6-sol@high, gpt-5.6-sol@xhigh
architect runners: gpt-5.6-terra@high, gpt-5.6-sol@high, gpt-5.6-sol@xhigh
interrogate reviewers: gpt-5.6-terra@high, gpt-5.6-sol@high, gpt-5.6-sol@xhigh
cross-judge: gpt-5.6-terra@xhigh
reflect tooling: gpt-5.6-terra@medium
reflect judgment: gpt-5.6-sol@high
reflect divergent: gpt-5.6-terra@xhigh
reflect synthesizer: gpt-5.6-sol@high
swarm workers: gpt-5.6-terra@medium
model routing: pass a route's model and reasoning effort when the collaboration tool supports both; otherwise inherit the session runtime
maximum parallel children: 3
default arena candidates: 3
default review panel: 3
simple investigations: main agent
complex investigations: up to 3 parallel explorers, then parent synthesis
swarm: use bounded parallel workers for coverage, races, and exploration; use arena for design bakeoffs
subagent isolation: separate output paths or worktrees for writers
memory source: Codex memory index first, scoped task history second
verification: real artifact plus focused automated checks
browser verification: installed browser, computer-use, or project verification skill
pull request creation: only when the user or active workflow authorizes publication
pull request follow-through: inspect checks and review feedback until the requested terminal state
external writes: stay inside the user's request and existing authority
prose: unslop
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