Atet v3.0.0

What's Changed

• Remove retired product compatibility by @0thernet in #3
• docs: add Atet documentation hub by @0thernet in #4
• refine Atet editorial design by @0thernet in #5
• refactor(web): make Atet install-first by @0thernet in #6
• fix(web): redirect legacy host roots by @0thernet in #7
• docs: make Atet install guidance canonical by @0thernet in #8
• feat(web): improve Atet search discovery by @0thernet in #9
• docs: rewrite Atet for first-time readers by @0thernet in #10
• Rewrite Atet around video editing and AI media workflows by @0thernet in #11
• Remove the confusing Atet trust disclaimer by @0thernet in #12
• chore: align repository agent and KB conventions by @0thernet in #13
• docs: define checked main delivery by @0thernet in #14
• Consolidate Direct tooling by @0thernet in #15
• Document staging authority and bound FFmpeg CI setup by @0thernet in #16
• Use KB v0.15.2 operator tools by @0thernet in #17
• Add privacy-bounded visitor analytics by @0thernet in #18
• Standardize the ATET header appearance menu by @0thernet in #19
• Publish the Atet Agent Skill and hero install UX by @0thernet in #20
• Make atet.sh readable to agents without adding a hosted API by @0thernet in #21
• Add rubber-stamp travel field-note skill by @0thernet in #22
• chore: retire durable staging environment by @0thernet in #24
• docs: pin README installs to v2.0.0 by @0thernet in #25
• Fix cookieless visitor ingestion by @0thernet in #26
• Publish a reading take on Mannay's JavaScript faces by @0thernet in #27
• Publish a reading take on FeyNoBg by @0thernet in #28
• release: prepare Atet 3.0.0 by @0thernet in #29

Full Changelog: v2.0.0...v3.0.0