* feat(workflow): add loop run node with start/break sub-nodes
* fix(workflow): clear loop run resume state and polish interactions
* fix(workflow): harden loop run error paths and dedupe template registry
* fix(workflow): route loop run precheck errors through errorText and validate break reachability
* fix(workflow): fix loop run conditional validation and outer-node ref snapshot
* refactor: consolidate shared workflow usage and feedback collection helpers into dispatch/utils.ts
* feat(workflow): aggregate loop run iterations in response tree and polish editor/UI
* fix(workflow): i18n loop run errors and surface uncaught nested errors in chat
* fix(workflow): route node card delete button through onNodesChange
* fix(chat): recurse loopRun/parallelRun details when flattening responses
* fix(workflow): loop run resume stitching and PR review polish
* fix(workflow): loop run max-length boundary and resume isEntry leak
