Babel.plan/Babel.finishin OrgCore: header-argument merging asorg-babel-merge-params, refusals for:session,:noweb,:file,:prologue/:epilogue,:post,:stdin/:cmdline/:shebang,:cache yes; shell/python/emacs-lisp/generic jobs; result import andorg-babel-insert-resultplacement and formats.- 53 blocks (output/value, tables, lists, raw, drawer, code, wrap, replace/append/silent, named results, indentation, vars, properties,
#+HEADER) matchorg-babel-execute-src-block. - App:
BabelRunner,DocumentSession.runBabel, yes/no/always confirmation with content-hash trust.
Plan: docs/plans/2026-10-05-babel.md