Move provider operations into channel folders and shared chat work into named interaction, setup, admission, delivery and publication workflows. Consolidate reviewed PRs #16085, #16089, #16096 and #16105. Preserve upstream execution-default and recovery behavior. The main service is 7,917 lines.
All 55 current-head CI checks pass, with two optional Storybook skips. Greptile is 5/5 with no findings. All 1,294 current chat integration cases, repository-wide typecheck and build pass locally. Broad local tool-route timing/socket failures are recorded in the PR.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
