feat: Link-Taxonomie u2 - kb/entities/people, projects, kb/comparisons gelabelt

Files changed:
- kb/comparisons/amd-pstate vs acpi-cpufreq.md
- kb/concepts/RAG.md
- kb/entities/people/Andrej Karpathy.md
- kb/entities/people/E3DC GmbH.md
- kb/entities/people/Rohit Gupta.md
- kb/entities/people/Vannevar Bush.md
- kb/entities/projects/BCDModule.md
- kb/entities/projects/Chemenu.md
- kb/entities/projects/andybalholm-edl.md
- kb/entities/projects/goresponsiveness.md
- kb/entities/projects/ha-core.md
- kb/entities/projects/hacs-e3dc.md
- kb/entities/projects/hacs-integration-blueprint.md
- kb/entities/projects/kfchou/wiki-skills.md
- kb/entities/projects/plugnburn-edl.md
- kb/entities/projects/vanillaflava/wiki-skills-vanillaflava.md
- kb/entities/projects/yugasun/llm-wiki-skills.md
- kb/entities/tools/Agent Memory.md
- kb/log.md
- work/link-taxonomy-migration/README.md
- work/link-taxonomy-migration/glossary.md

work/link-taxonomy-migration/README.md

@@ -57,7 +57,11 @@ Every unit in `plan.md` is published, and:
       sub-sessions (`u1`, `u1-technologies`, `u1-technologies-2`, `u1-tools-1`, `u1-tools-2`,
       `u1-close`) against one 60-call-per-session ceiling; published together as commit
       `b137359`. Deferred cross-collection edges recorded in `glossary.md` for u2/u3.
-- [ ] u2 `kb/entities/` (projects, people) + `kb/comparisons/`
+- [x] u2 `kb/entities/` (projects, people) + `kb/comparisons/` - 16 pages, ~45 edges, single
+      session (`link-taxonomy-migration/u2`, closed as `u2-close`). Discovered comparisons pages
+      carry no `related:` field at all (only `entities:`, unlabelled by the type spec); labelled
+      the prose by hand instead. Confirmed taxonomy gap for person-authored/extended
+      relationships, resolved as `see-also` throughout - see `glossary.md`.
 - [ ] u3 `kb/concepts/`
 - [ ] u4 `kb/sources/`
 - [ ] u5 close-out - `migrate done`, version bump, `CHANGES.md`, workshop close