Use .ts relative import in webui server for pi's check:ts-imports policy and regenerate image-models.generated.ts to remove duplicate model keys. Co-authored-by: Cursor <cursoragent@cursor.com>
Document main/upstream-sync/feature branch strategy, add sync/push scripts, track .pi/agent extensions and webui in git, and disable startup changelog via showChangelogOnStartup. Co-authored-by: Cursor <cursoragent@cursor.com>