What shipped.

Tabbing the grid drew a focus ring in the corner of a card while a mouse got the whole card as one hit target, the same accessibility mismatch on the site's primary content. The ring now lives on the element hover already highlights, verified with real Tab key events rather than a bare .focus() call, which would not have caught it. Five smaller polish defects went with it: the footer stopped spreading three unrelated lines edge-to-edge at desktop width, mobile filter chips became a two-column grid instead of one per row with dead space beside it, the sidebar's component search and the catalog's own search now say which is which since they do different jobs, the Sort select wears the site's own chevron instead of the browser's, and card hover gained a perceptible wash since brightening a hairline border was invisible against a near-black demo. docs/polish-audit.md records every item considered, including one left alone on purpose.

Category now opens to kind (Slider, Loader, Tabs) and kind opens to components, each level counted, because a flat 223-item list under 12 categories was still a list. A kind only earns its own group at two or more members, so a category with 35 kinds and 25 singletons doesn't add a click to reach a third of the registry for nothing. The count next to each category in the sidebar had drifted from the number on the matching filter chip, 61 versus 55 for Inputs & forms, because the tree filed a component under its first matching category while the chips counted every match. Both now use the same multi-match rule, verified sidebar against chip across all twelve categories.

Component names kept their metaphor at this point, renaming 223 of them was a separate decision for later, but each now carries a plain "kind" caption derived from the tag each meta.json already carries: Nested Slug reads as Nested Slug / Hero, not something you click through to understand. The playground gained a Source disclosure showing the real component.tsx with a copy button, since these install as plain files with no runtime package, so the source is the artifact. And a stdio MCP server shipped alongside the CLI: five tools, search, full detail plus source, categories, the install command, and the design-token conventions, so an agent building against the registry keeps the token contract in context for a session instead of re-fetching it.

tide-ledger, a calendar heatmap on a five-step sequential ramp mixed at runtime from --accent into --background, joined the registry. Two siblings built alongside it in the same pass, gel-wash (a theatre-lantern preloader) and footing-course (a footer the page slides off), came out again: both were built from a bookmarked slug rather than from the thing the slug was pointing at, so they answered a category rather than the actual gap. The backlog behind all three is now one organized document across the 21st.dev bookmark sweep and a name-level diff against seven other component ecosystems, ordered by what unlocks a whole page rather than what is easiest to build next.

The repo got the scaffolding a public project needs: CI running the registry build, typecheck and production build on every pull request, issue templates for bugs and component requests, a pull request template, a code of conduct, a security policy, and a contributing guide that walks an outside contributor from an empty folder to a passing verify gate. The README was rewritten around what the registry is for rather than how it was made, and the agent-only scaffolding used to build it started coming out of the tree.

Two defect classes only show up where nobody looks. One is a component that reads correctly in dark and collapses in light. The other is a grid thumbnail framed on the wrong element, cropping away the very thing the component exists to show. All 197 were swept for both. Ten card-crop cases were fixed by giving each a card.focus selector aimed at the element the component is actually about, checked on the homepage grid rather than on the full preview route where the defect is invisible.

Twenty-eight components merged from a fourth parallel round, 21 core and 7 loud, among them a Solari departures board, a peelable decal, a plimsoll gauge and a vortex street. That took the registry to 198, and tack-peel came out for good, leaving 197. Several older components got the second look they needed: umbra-toggle's controlled state had drifted out of sync and its demo was inert, decal-peel inverted its gradient in the light theme, carbon-lift's ghost duplicate travelled a fixed 12px regardless of how far it actually had to go, solari-flap grew from one row to a four-row board, and patina-pip and stipple-year were made legible at card size.

The parallel round produced more than it deserved to keep. Fifteen slop and duplicate components were removed, taking the registry from 185 to 170, and one that a merge resurrected had to be cut twice. What remained went through four rounds of owner review: ten flagged components repaired, then 17 interaction bugs, then 8 more including reworks of earlier fixes, then a ridge-walk redesign and six more reworks. Three hardcoded hexes were found and killed. The verifier stopped aborting the whole sweep when a single component threw, and started printing every failure rather than only the first.

Six git worktrees, each its own branch and dev port, ran the same ideate-judge-build-gate workflow across a different lane of the design space, then merged back conflict-free because every component is a self-contained folder and the registration index is generated, not hand-edited. The registry crossed 185 components spanning inputs, data instruments, typography, feedback, motion, agent surfaces and loud showpieces, with slug collisions prevented by a cross-branch check rather than coordination.

A first set of AI and agent-interface primitives landed: a thinking-state glyph that encodes its state through motion rather than colour, a streaming-text renderer, a reasoning timeline, a tool-call approval row, a context-window budget meter and more. The autoplay driver learned a type mode, so keyboard-first components like the OTP reels now type their own demo in the grid instead of resting on a still frame.

The grid got a client-side search over name, title, description and tags, composed with the collection filter. The header install command now shows a real component name instead of a [name] placeholder, so what lands on the clipboard actually runs. This page is itself the strandline component from the registry, fed real releases.

A shared autoplay driver synthesises pointer, scroll, press and drag input from an autoplay descriptor in each component's meta.json. 37 components that previously sat still until touched now demonstrate themselves in the grid.

The registry origin became a single source of truth, so llms.txt and the showcase can no longer drift apart. /registry.json moved to its conventional path and llms.txt learned to disambiguate. A real light/dark toggle landed with a system-preference default and no first-paint flash.

Every card is the real component running, not a screenshot. Emulating a viewport with a scaled div drifted at every window shape, so each card is now an iframe onto a real 1440x900 viewport, CSS-scaled into place.

MIT licensed, published, and given llms.txt plus llms-full.txt so an agent can consume the whole catalogue without an MCP server. TypeScript was pinned back to 5.x after v7 shipped no lib/typescript.js and broke the Next build.

24 confirmed bugs and 8 broken light themes fixed across 17 components, then two rounds of owner tuning across thirteen more. Nothing new shipped; everything already there got honest.

A 56-site research harvest and a 14-site crawl catalogued 1,535 components and fed a breeder workflow. Four fusion batches took the registry from a handful to 50, with an ambient-motion pass across all of them.

Spec, owner taste profile, ticket breakdown, then the first working loop: a preview site, a registry build pipeline generated from meta.json sidecars, and a verify quality gate. glass-button and the particle-hero flagship were the first two components in.