Add versioning: VERSION file, CHANGES.md, version display in scripts

Fix misleading wording in upgrade.sh template diff prompt

M6: Add --continue flag for resumable code review sessions

Fix upgrade.sh silent exit on first counter increment

Add upgrade.sh for updating existing moarcode installations

use native claude install

Make the code-review better

installation instructions clearer still

M5: Pre-ship polish — tighten sanitizer, fix plan drift, empty name guard

compact CODEX diary

directed code-reviews

README hand-tweaked

M4: Fix code review findings — fallback sanitization and doc drift

M4: Make plan-first requirement unmissable

M4: Strip leading hyphens from project name