giles 62b7fc1ff0 host: typed relations — Phase 3, tags as posts ...

A tag is just a post that is-a tag; tagging is a "tagged" edge to it. End to end:
mark a post a tag, tag posts with it, see a post's tags and a tag's members.

- helpers: host/blog-is-tag? (= is-a? slug "tag"), host/blog-tags (out tagged),
  host/blog-tagged-with (in tagged), host/blog-instances-of (a type's members,
  O(#subtypes) not O(#posts) — the efficient candidate source).
- picker generalised to be KIND-AWARE and MULTI-INSTANCE: relate-options takes
  &kind=, candidates come from the kind's registry :candidates (all/tags/types);
  /relate-picker.js wires every .relate-picker box by data-kind (a Related picker
  and a Tags picker now coexist on the edit page).
- render: post page gains a "Tags" block; a tag post additionally lists "Tagged
  with this" (its members). edit page: a Related editor + a Tags editor + an
  "is this post a tag" toggle (reuses /relate kind=is-a — no new route).
- GOTCHA (again): host/blog--relation-editor read host/blog-out INSIDE its
  quasiquote -> VmSuspended/500 under http-listen + durable edges; moved the read
  to a let before the quasiquote (conformance can't see it — in-memory store;
  the ephemeral Playwright run caught it).

6 conformance tests (is-tag?, instances-of, tag+tagged-with, tagged picker offers
only tags, related picker still all, is-a-tag toggle) -> 261/261. Playwright
multi-picker 4/4. Verified live: ocaml made a tag, welcome tagged ocaml, Tags
block + Tagged-with-this both render.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-28 17:09:53 +00:00

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