v0.4.0 — /wf <task>, /wf-max [task], CEO no-PlanMode
- /wf <task/mission>: command accepts required task arg.
- /wf-max [task]: renamed from /wf max, optional task arg.
- Remove wf-mode as standalone slash command.
- CEO must not call EnterPlanMode — delegate to planner subagents.
- Sync all triggers across docs, validators, and templates.