Move the interactive pi-tui front door into @deepseek-ai/dsh-tui while keeping @deepseek-ai/dsh-stdio line-oriented for pipes. Select the terminal package in the demo app, preserve logger ownership, and cover the production Loader composition with a PTY smoke test.
Add the packages/examples/ group README, drop the moved packages from the
core/ and ui/ group READMEs, and add the examples/ row to the packages
hierarchy table and the repo-layout in AGENTS.md.