v0.21.0

What's Changed

• fix: -max-issues kills the Nth create in flight, so N files N-1 by @scharissis in #350 (closes #340)
• docs: plan-backlog's gh ceiling no longer rests on a false claim by @scharissis in #351 (closes #341)
• refactor: move record loading and window resolution out of stats.go by @scharissis in #352 (closes #343)
• refactor: split the stats renderer and format helpers out of stats.go by @scharissis in #353 (closes #344)
• refactor: split dispatchClaude into setup, watchdogs, scan and verdict by @scharissis in #354 (closes #345)
• fix: give a permission park concrete, path-safe remediation steps by @scharissis in #355
• refactor: planRecord and healthRecord share one embedded base by @scharissis in #356 (closes #347)
• docs: plan how a run's model and effort are chosen, and what the default is by @scharissis in #357
• refactor: plan and health share one intake options struct and config builder by @scharissis in #359 (closes #348)
• refactor: plan and health share one preflight and one exit path by @scharissis in #367 (closes #349)
• fix: tidy's skip message names the worktree path, PR and fix command by @scharissis in #368 (closes #358)
• feat: -effort on work, plan and health, recorded by @scharissis in #369 (closes #361)
• feat: a policy seam, and the remediation model and effort flags by @scharissis in #370 (closes #362)
• feat: model: and effort: labels on an issue by @scharissis in #371 (closes #363)

Full Changelog: v0.20.0...v0.21.0