v1.2.12

• v1.2.12
• chore: sync server.json version to match package.json
• fix(release): tty-gate the confirmation prompt
• fix(release): sync server.json unconditionally, not only inside the bump else
• fix(release): fall back to gh auth token for MCP Registry
• chore: fold MCP Registry publish into release.sh, drop release.yml
• fix(release): run lint/build/test unconditionally on CI path
• fix(release): drop needs: ref to removed reusable workflow
• chore(ci): drop non-release workflows
• chore(readme): swap mcp.hosting badge -> Add to Yaw MCP yaw:// deep link
• docs(readme): pin npx spawn to @latest for auto-update
• fix(release): address six issues from review of the CI-handoff step
• fix(release): hand off to CI instead of racing it at step 5