docs(work): tick story 03 slice 1 (web-tanstack deleted as 986f8b2)

docs/work/epics/platform-retrofit/03-delete-demo-apps-and-features/_story.md

@@ -8,7 +8,7 @@ feature: web-tanstack, blog, media, marketing-pages, navigation
 depends-on: [02-single-version-release-please]
 blocks: [04-web-next-shell, 08-rewrite-agent-docs]
 created: 2026-07-12T10:22:00Z
-updated: 2026-07-12T11:55:30.668Z
+updated: 2026-07-12T13:32:10.555Z
 ---
 
 ## Goal
@@ -42,7 +42,7 @@ The demo content blocks the package map: the Veect features (workspaces, project
 
 ## Tasks
 
-- [ ] Delete `apps/web-tanstack` and all its wiring in one slice — workspace/turbo entries, root scripts, CI references (e.g. `WEB_TANSTACK_SENTRY_DSN` / `VITE_` DSN wiring), e2e project entries — one commit, all gates green.
+- [x] Delete `apps/web-tanstack` and all its wiring in one slice — workspace/turbo entries, root scripts, CI references (e.g. `WEB_TANSTACK_SENTRY_DSN` / `VITE_` DSN wiring), e2e project entries — one commit, all gates green. _(landed 986f8b2, reviewer-approved; dangling-ref grep clean — survivors are framework-support code only; story-08 note: dead 'web-tanstack' app-tag union member in core-shared instrumentation + stale "app (4 packages)" list in docs/architecture/overview.md)_
 - [ ] Delete `packages/blog` and prune its composition wiring in the same slice — core-api router anchor, core-cms collection anchor, bindAll entry, web-next pages/imports, seeds, e2e specs, Storybook references, glossary terms — one commit, all gates green.
 - [ ] Delete `packages/media` and prune its composition wiring in the same slice (same checklist as blog) — one commit, all gates green.
 - [ ] Delete `packages/marketing-pages` and prune its composition wiring in the same slice (same checklist; includes its cross-feature event handlers consuming auth events) — one commit, all gates green.