- /threads page title -> 'Headless Threads' to distinguish the headless
useThreads path from the prebuilt drawer (slug kept, so no inbound links
break; sidebar label follows the frontmatter title). (samjulien #9)
- prebuilt-components index: the 'saved conversations' line now leads with the
drop-in CopilotThreadsDrawer and offers Headless Threads as the DIY path, plus
a companion-sidebar mention in 'Pick a surface' — the drawer was absent from
the prebuilt landing page.
- chat page: same, point at the prebuilt drawer first, headless second.
## Summary
- Moves the canonical `/threads` guide into the **Build Chat UIs** nav
group, immediately after prebuilt components
- Keeps `/premium/threads-explained` under **Intelligence Platform** as
the architecture/persistence explanation
- Adds contextual cross-links between the Threads guide, Threads
architecture page, and relevant prebuilt chat UI docs
- Shows `Threads` in the authored framework sidebars next to their chat
UI basics
## Why
Threads are primarily discovered by developers adding saved
conversations, history, and thread switching to a chat UI. The
implementation guide belongs with chat UI docs, while the platform page
remains the deeper explanation of persistence, realtime sync, and
Enterprise Intelligence Platform backing.
## Screenshots
**Root docs navigation: `/threads` now appears with the chat UI basics,
immediately after Prebuilt Components.**
**Authored framework navigation: framework-specific docs now show
Threads next to Prebuilt Components too.**
**Intelligence Platform navigation: the architecture page stays in the
platform section.**
## Validation
- `git diff --check origin/main...HEAD`
- `git diff --check`
- `npm run typecheck` from `showcase/shell-docs`
- Local route smoke checks for `/threads`, `/premium/threads-explained`,
`/prebuilt-components`, and `/prebuilt-components/chat` returned 200
- Authored framework route smoke checks returned 200
Re-evaluation of the surgical revert (8e1d969ec) found 4 files where the
upstream sync was the right move and my drop was over-conservative:
1. docs/premium/self-hosting.mdx — collapse 559-line inline content into
<SelfHosting /> shell. Component IS registered (SNIPPET_MAP at
docs-render.tsx:464) and renders the shared snippet, which is
structurally identical (same 23 sections, brand-corrected). The page
was duplicating content the snippet already provides.
2. docs/threads.mdx + snippets/shared/threads/threads.mdx — take bot's
versions (drop the <ThreadsEarlyAccess> wrapper; Threads has been
promoted out of early access upstream) but fix
/reference/v2/hooks/useThreads → /reference/hooks/useThreads
(canonical reference path is src/content/reference/, no /v2/ segment).
3. docs/shared-state.mdx — take bot's IntegrationGrid landing-page form.
The pattern was Tyler's deliberate IA refactor in cc8c94589
(refactor(docs): optimize structure, content and navigability,
2026-02-23) — turning content pages into framework-picker landings —
which shell-docs missed at fork time. Extended exclude list to
["agno", "agent-spec", "spring-ai", "langroid"] since those four
frameworks have no shared-state page; without the addition spring-ai
and langroid would render as broken framework cards.
Not taken (separate decision): docs/generative-ui/a2ui.mdx — bot also
turns this into an IntegrationGrid landing, but 13 of 14 frameworks have
NO a2ui page. Adopting the landing pattern now would produce ~13 broken
cards. Stays as content-rich 108-line orientation page until the
framework-scoped a2ui content exists.
The useThreads page existed in shell-docs at
\`src/content/docs/reference/v2/hooks/useThreads.mdx\` but that tree
isn't routed — the canonical reference renderer reads from
\`src/content/reference/\`, not \`src/content/docs/reference/\`. As a
result \`/reference/hooks/useThreads\` 404'd while the upstream docs
have had a working useThreads page for weeks.
Moves the page to the canonical location so it resolves at
\`/reference/hooks/useThreads\`, and pulls the rest of the threads
content stack into parity with upstream:
- Add \`OpsPlatformCTA\` to the reference renderer's component map so
hook reference pages can host sign-up CTAs (used here on useThreads
itself).
- Recreate useThreads at the canonical path. Drops the
\`<ThreadsEarlyAccess>\` wrapper (canonical reference dir doesn't use
it — threads is GA, no banner) and the \`doc_type: reference\`
frontmatter field (canonical hooks use plain title + description).
Keeps the local additions: \`<OpsPlatformCTA>\` placement and the
\`lastRunAt\` PropertyReference (deliberately kept per commit
9f18b50f0).
- Fix cross-links to useThreads in threads.mdx and the shared snippet
to point at the canonical \`/reference/hooks/useThreads\` instead of
the broken \`/reference/v2/hooks/useThreads\`.
- Bump the prerequisite from \`@copilotkit/react-core v1.50+\` to
\`v1.56+\` in threads.mdx and the shared snippet to match upstream.
Out of scope: the broader \`/reference/v2/hooks/\<Name\>\` broken-link
problem across other shell-docs pages (useFrontendTool, useAgent,
etc. — same dirname mismatch but for hooks unrelated to this PR).
That's tracked under PDX-103 / PDX-84.
Page-structure differences from upstream are preserved per the
shell-docs IA decision to drop the \`learn/\` concept: \`learn/threads\`
stays \`premium/threads-explained\`, \`learn/intelligence-platform\`
stays \`premium/intelligence-platform\`, \`learn/tutorials/...\` stays
\`tutorials/...\`.
Mirrors the placements upstream docs/ shipped in PR #4592 (Wave 1) and
PR #4642 (Wave 2 — restored threads pages). 22 placements total: 18
direct ports of upstream surfaces, 3 path-adjusted (learn/* → premium/*
or tutorials/*), and 1 structural (root prebuilt-components → its
shell-docs directory index). Surface identifiers match upstream so
PostHog `try_for_free_clicked` events can be reasoned about across
the cutover.
Skipped:
- `quickstart.mdx` (root) — routing shim, no real content
- `(root)/index.mdx` — shell-docs has no MDX docs landing
- Per-framework integration `index.mdx` files — shell-docs has no
per-framework overview pages, the upstream FrameworkOverview
afterFeatures slot has no equivalent
- `reference/v2/components/{CopilotChat,CopilotKit}.mdx` and
`reference/v2/index.mdx` — shell-docs reference layout differs
PDX-110.
Tightens the Concepts subgroup (which had ballooned to 10 entries
after the /learn/ consolidation) and gives the protocol pages and
Enterprise-flavoured explanation pages the homes they actually
belong in.
## Structural changes
**New `Agentic Protocols` section under Get Started.** The four
protocol-related pages move from `/concepts/*` into a dedicated
`/agentic-protocols/` folder so they live as a coherent section
rather than as four siblings inside Concepts. Titles drop the
`(Agents<->X)` parenthetical — folder + section context already
disambiguates.
/concepts/agentic-protocols → /agentic-protocols (now the section overview)
/concepts/ag-ui-protocol → /agentic-protocols/ag-ui
/concepts/mcp-servers → /agentic-protocols/mcp
/concepts/a2a-protocol → /agentic-protocols/a2a
`agentic-protocols/meta.json` lists the four pages with the section
overview as `index`. Top-level `meta.json` adds `...agentic-protocols`
under Get Started.
**Intelligence Platform + Threads explanation pages move to
Enterprise.** Both pages document Premium-only architecture
(threads + the platform that hosts them); they belong next to the
how-to and self-hosting pages, not in framework-agnostic Concepts.
/concepts/intelligence-platform → /premium/intelligence-platform
/concepts/threads → /premium/threads-explained
(renamed to disambiguate from
the existing how-to /threads)
`premium/meta.json` reordered so the explanation pages sit between
the overview and the how-to pages.
**Generative UI Overview merged.** The old
`concepts/generative-ui-overview.mdx` (long, with surfaces /
attributes / patterns / ecosystem mapping sections, but using
inconsistent terminology — "Static" vs "Controlled") and
`concepts/three-types-of-gen-ui.mdx` (concise, sharp prose, canonical
"Controlled / Declarative / Open-Ended" terminology that matches the
Build Generative UI nav section names) overlapped substantially.
Merged into a single `concepts/generative-ui-overview.mdx` with:
- Tight intro from three-types
- Application Surfaces section (chat / chat+ / chatless) from overview
— unique value, not duplicated elsewhere
- Three types section using three-types' prose + terminology, with
the tradeoff bullets borrowed from overview's PatternCard component
- Ecosystem Mapping table from overview, retitled with the unified
terminology
- "AG-UI / CopilotKit are gen-UI agnostic" closer with the dual
light/dark image
- "Where to go next" pointers for downstream guides
three-types-of-gen-ui deleted; redirect catches any inbound link.
## `<Image>` registry fix (load-bearing)
The MDX `<Image>` component was registered to destructure only `src`
and `alt`, silently dropping `className`. Every page that ships dual
light/dark variants (`block dark:hidden` / `hidden dark:block`)
rendered both versions stacked — the user-visible "duplicate image"
on agentic-protocols (and the same shape on ag-ui, a2a, mcp, the
gen-UI overview).
Updated the registry component to forward `className`, `width`, and
`height`. The dark/light Tailwind toggling now works as authored.
## Concepts post-restructure
After the moves, the Concepts subgroup is back to a focused set:
architecture
generative-ui-overview
oss-vs-enterprise
These are the framework-agnostic 5-minute primers under Get Started.
Everything that was specifically about a protocol, the Intelligence
Platform, or threads has a more accurate home.
## Redirects
Per-path rules in `next.config.ts` for every URL that was live
between the /learn/ consolidation pass and this restructure:
/concepts/agentic-protocols → /agentic-protocols
/concepts/ag-ui-protocol → /agentic-protocols/ag-ui
/concepts/mcp-servers → /agentic-protocols/mcp
/concepts/a2a-protocol → /agentic-protocols/a2a
/concepts/intelligence-platform → /premium/intelligence-platform
/concepts/threads → /premium/threads-explained
/concepts/three-types-of-gen-ui → /concepts/generative-ui-overview
The earlier /learn/ rules also rewritten to point straight at the
new canonical homes (avoiding 308→308 chains).
## Inbound link rewrites
All cross-page links in the moved pages, plus the architecture
concept page, oss-vs-enterprise concept page, threads how-to,
premium/self-hosting, useCapabilities reference, and the snippets
that referenced the old `/concepts/*` paths. Verified zero remaining
references to the old URLs (except the irrelevant external
`learn.microsoft.com` URLs in MS Agent Framework integration pages).
## Smoke tested
All 9 new canonical URLs return 200. All 10 sampled redirects
(7 /concepts/* + 3 /learn/*) hit the right destination in one hop.
The upstream `/learn/*` tree was largely a Diátaxis explanation-tier
parallel to the rest of the docs, and after the IA restructure shipped
the Concepts subgroup under Get Started in PR #4329, /learn/* read as
visible duplication: two "Threads" entries, two "Architecture"
entries, two "AG-UI" pages, etc. The earlier Notion plan kept the
split and proposed a nav-label fix; this PR reverses that call and
folds the explanation pages into Concepts where they belong.
## What moved
**Promoted to /concepts/** (7 files):
- learn/threads.mdx → concepts/threads.mdx
- learn/intelligence-platform.mdx → concepts/intelligence-platform.mdx
- learn/agentic-protocols.mdx → concepts/agentic-protocols.mdx
- learn/ag-ui-protocol.mdx → concepts/ag-ui-protocol.mdx
- learn/a2a-protocol.mdx → concepts/a2a-protocol.mdx
- learn/connect-mcp-servers.mdx → concepts/mcp-servers.mdx (renamed)
- learn/generative-ui/index.mdx → concepts/generative-ui-overview.mdx
The new Concepts subgroup is a 10-page cluster covering architecture,
the Intelligence Platform, the three gen-UI types + a deep overview,
the four agentic protocols (AG-UI, MCP, A2A, plus the meta page), and
threads + OSS-vs-Enterprise. Ordered by topic flow rather than
alphabetically.
**Moved to natural homes**:
- learn/tutorials/multi-conversation-chat.mdx → tutorials/multi-conversation-chat.mdx
- learn/generative-ui/specs/open-json-ui.mdx → generative-ui/open-json-ui.mdx (added under "Declarative" in the gen-UI nav alongside A2UI)
**Promoted to top-level /whats-new/**: 7 files. New top-level
nav section between Tutorials and Migrate. Release-cadence content
doesn't belong inside Concepts; promoting it gives it room to grow as
a real changelog.
**Deleted** (5 files, all stubs or duplicates):
- learn/index.mdx (the Learn landing — its card grid pointed at the
pages above, all of which now live elsewhere)
- learn/architecture.mdx (15L stub: just a heading + the same
ImageZoom that already lives in /concepts/architecture)
- learn/generative-ui/specs/{index, a2ui, mcp-apps}.mdx (7-line
component-stubs already covered by their canonical
/generative-ui/* pages)
- learn/generative-ui/{meta.json, specs/meta.json} + learn/meta.json
(now-empty meta scaffolding)
## Nav updates
- concepts/meta.json grows to 10 pages, ordered by topic cluster
- tutorials/meta.json adds multi-conversation-chat
- generative-ui/meta.json adds open-json-ui under "Declarative"
- whats-new/meta.json gets a clean "What's New" title (was a dated
"Updates - Jan 22, 2025") + the full file list in reverse-chrono
- top-level meta.json gets a new "What's New" section between
Tutorials and Migrate
## Redirects
15 redirect rules in next.config.ts cover every /learn/* path that
existed (literal pages + the /learn/whats-new/:path* and
/learn/generative-ui/specs/* sets). Plus a generic /learn → /concepts/architecture
catch-all so the old root URL doesn't 404.
## Inbound link rewrites
22 inbound /learn/* references rewritten across the docs tree
(snippets, threads.mdx, premium/self-hosting.mdx, useCapabilities,
useThreads, the existing Concepts pages that linked to /learn/*, and
internal cross-links inside the moved files themselves). Verified zero
remaining /learn/ references except the unrelated `learn.microsoft.com`
external URLs in the MS Agent Framework integration pages.
## Smoke tested
All 12 new canonical URLs return 200. All 8 sampled /learn/* legacy
URLs 308-redirect to the correct canonical home (/concepts/*, /tutorials/*,
/generative-ui/*, /whats-new/*).
Closes PDX-69.
Sam Julien
