* feat(shell): add minimal Bash and Process profile

* refactor(shell): extract command detachment analysis

* refactor(shell): extract tool definitions and arguments

* refactor(shell): extract output buffering

* refactor(shell): extract managed process state

* refactor(shell): extract progress reporting

* fix(shell): preserve detachment helper imports

* style(shell): normalize extracted file endings

* fix(shell): give Process wait a nonzero fallback

* simplify shell, output truncate, improve monitor display

* fix defects

* defect fixes

* remove commit

* status bar tweak

* lockfiles, docs

* status bar tweak

* feat(shell): retain truncated output for targeted retrieval (#877)