v19.1.0

What's Changed

• feat: controller pipeline plugin (coordinator + 3 subagents, incremental loop, durable bundle, suspend/resume) by @fr0ster in #174
• feat: end-to-end token usage metering by @fr0ster in #175
• feat(controller): adaptive planner (plan-once, replan-on-error) by @fr0ster in #176
• Deprecate legacy dag/stepper + agnostic controller prompts with per-role domain hints by @fr0ster in #177
• controller: scope-discipline in create-plan + per-step tool selection by @fr0ster in #178
• controller: extend scope-discipline to incremental planner + executor by @fr0ster in #179
• Release 19.1.0 by @fr0ster in #180

Full Changelog: v19.0.0...v19.1.0