v0.1.0-rc.20260720.1

What's Changed

• [codex] Add phase 1 CI workflow by @Kewton in #2
• Add live validation and release setup by @Kewton in #4
• #10 [ux] Modernize REPL input: slash-command completion, hints, multi-line input, Ctrl+C conventions by @Kewton in #30
• #31 Add a clean release build that leaves only the executable by @Kewton in #32

Full Changelog: https://github.com/Kewton/CommandAgent/commits/v0.1.0-rc.20260720.1