nebbet.no/docs/superpowers/specs/2026-04-04-image-block-design.md, branch main

nebbet.no/docs/superpowers/specs/2026-04-04-image-block-design.md, branch main [no description] https://git.ivar.systems/nebbet.no/atom?h=main 2026-04-04T14:06:06Z docs: add image block upload and serving design spec 2026-04-04T14:06:06Z ivar i@oiee.no 2026-04-04T14:06:06Z urn:sha1:41c0f3e592c2140c8ad26ce5d91010399679ee8d Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>