chore(deps): Bump @opencode-ai/plugin to 1.2.21

docs(readme): Clarify repair blocker receipts

ref(ui): Soften verifier failure next actions

ref(verifier): Generalize repeated finding reason code

fix(repair): Persist idle wait failure detail

fix(prompts): point semantic repair at repo-local UI evidence

docs(readme): document canonical UI evidence

docs(verifier): assume repo-local UI evidence

fix(ui): persist repo-local text evidence

ref(ui): remove temp-path evidence imports

docs(readme): clarify UI verify bootstrap

fix(prd): reconcile declined UI verify as off

fix(wizard): sync UI verify choice into AGENTS

fix(ui): restore pid-aware verifier diagnostics

docs(readme): restore prereq bootstrap behavior