feat!: rename blocks flags to --format and --ids

harden mutation reliability and standardize blocks get view flag

chore: bump version to 0.3.0

feat: add --version flag and show integration URL in auth prompt

feat: add blocks delete command

feat: support tables, images, and rich-text formatting in markdown

feat: parse inline markdown formatting (bold, italic, code, links, strikethrough)

chore: bump version to 0.1.3

feat: add ntion-cli agent skill

chore: fix readme header, bump to 0.1.2, add integration URL to auth help

chore: rename package to ntion and CLI command to ntion

Add GitHub Actions workflow for npm package publishing

feat: simplify auth to accept token directly instead of env-var indirection

chore: remove spec document

feat: add surgical block editing and markdown-first content reads