feat!: composition builder — JSON PressTree replaces the dynamic-zone mechanism

.changeset/builder-design-system-ui.md

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+---
+'@ogs-tech/press-cms': patch
+'@ogs-tech/create-press': patch
+---
+
+fix(cms): rebuild the composition builder UI on Strapi's design-system
+
+The `plugin::press-cms.builder` custom field was raw, unstyled HTML (native
+`<select>`/`<details>`/`<fieldset>`, unicode `↑↓✕` controls, raw component uids as
+labels) — jarring islands of light-mode browser widgets inside the dark admin,
+and hard to read once the tree nested. It is now rebuilt with
+`@strapi/design-system` + `@strapi/icons`, so the builder reads as native admin UI:
+
+- Blocks are collapsible cards with a friendly name + icon (derived from the uid
+  via a new `palette-labels` helper — unmapped/`custom-*` blocks degrade
+  gracefully) and reorder/remove `IconButton`s.
+- Rows and columns are distinct titled cards; container attrs collapse into a
+  "Layout options" disclosure instead of always-open noise.
+- "Add block" opens ONE inline palette grouped by category (this also removes a
+  duplicate adder that rendered twice per column).
+- Per-field forms use design-system inputs (`TextInput`, `Textarea`,
+  `NumberInput`, `Toggle`, `SingleSelect`, `Field`), and empty slots show a hint.
+
+Rows are now collapsible cards too (with a per-slot "Collapse all" / "Expand all"
+control), so a deeply nested page stays scannable instead of exploding every
+column and nested row at once.
+
+`@strapi/design-system` and `@strapi/icons` are declared as `peerDependencies` so
+`@strapi/sdk-plugin` externalizes them (the builder uses the host admin's single
+copy — the same contract as React); a guard test pins this. No wire, schema, or
+API change: `tree-ops`/`form-model` and the served `PressSchema` are untouched.
+
+**Scaffold seed (`create-press`)**: the demo home is trimmed from a kitchen-sink
+page (hero, list, quote, a nested-row recursion demo, separator, button, spacer,
+cta, callout) to a simple, focused showcase of the two things worth demonstrating
+up front — the **components** you place (a few blocks plus a note on the wider
+palette) and the **grid layout** (one 50-50 row with an image in one column and a
+paragraph in the other). The image component still carries the media-crosses-REST
+proof. The rest of the palette is meant to be composed in the builder, and a
+simple starting page is far easier to edit and test than a pre-filled one.

.changeset/columns-organism.md

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+---
+'@ogs-tech/press-cms': minor
+'@ogs-tech/press-web': minor
+---
+
+feat: `preset-organism.columns` — the first editor-composed layout block
+
+`@ogs-tech/press-cms`:
+
+- **New page-body organism `preset-organism.columns`** (admitted statically in
+  `page/schema.json`, body only — the hero/cta placement rule). Layout controls
+  are flat CLOSED enums on the organism (the `hero.align` precedent):
+  `ratio` (`50-50 | 33-67 | 67-33 | 33-33-33 | 25-25-25-25`), `gap`
+  (`compact | normal | spacious`), `verticalAlign` (`top | center | bottom`).
+  The raw `GridGap`/`Span` scales are never exposed to the CMS.
+- **New nested-only molecule `preset-molecule.column`** (rich text + optional
+  image + optional `preset-atom.button` — the `navbar.cta` nesting pattern);
+  repeatable 2–4 per block, never a DZ member. `preset-layout` stays reserved
+  and empty: the top-level block is a content ORGANISM that consumes the grid
+  internally, so "layout is never an editor-placed top-level block" holds.
+- **`buildBodyPopulate` deep-populates the columns chain.** `populate: '*'` is
+  shallow; a column's `image`/`button` sit TWO levels below the DZ member and
+  silently came back empty — the exact shape that already forced the navbar's
+  deep populate in the chrome zones.
+- Serializer and generator needed **zero code change** — the BFS follows the
+  two-level chain (`columns → column → button`) generically; new tests pin that.
+
+`@ogs-tech/press-web`:
+
+- **New `Columns` renderer** (`preset-organism.columns` in `organismBlocks`,
+  overridable like every organism) built on Container/Grid/Column, mirroring
+  the Hero: stacks at base, `25-25-25-25` goes 2×2 on md before 4-up on lg,
+  `spacious` gap is tier-scaled (never a flat `lg` — the 11-gap 528px floor).
+  Tolerant: no columns renders nothing; an empty column keeps its cell; a
+  column beyond the ratio's slots reuses the last span instead of dropping.
+- Cells render rich text via `renderBlocks` + raw `<img>`/`<a>` — NOT the atom
+  components, whose `data-block="preset-atom.*"` would match the prose-width
+  rule at any depth and fight the cell's own width.
+- theme.css: columns section styles + the per-column button joins the shared
+  button family (all variants and states).
+- New exported types `PresetOrganismColumns` / `PresetMoleculeColumn`; the CLI
+  seed demonstrates a `33-33-33` block with a nested secondary button.

.changeset/composition-builder.md

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+---
+'@ogs-tech/press-shared': major
+'@ogs-tech/press-cms': major
+'@ogs-tech/press-web': major
+'@ogs-tech/create-press': major
+---
+
+feat!: composition builder — a JSON PressTree replaces the dynamic-zone mechanism engine-wide
+
+BREAKING (wire + palette + API), no data migration (pre-release):
+
+- `page.body` and the new `site-setting.pageDefaults` store a `PressTree` /
+  `Node[]` slots via the `plugin::press-cms.builder` JSON custom field; the
+  page-body and chrome Dynamic Zones (and `dz-populate`) are gone.
+- Per-page layout root: header/footer slots (`inherit | none | custom`), rows
+  with 1–4 ratio-bound columns, full recursion, adopter `custom-*` blocks
+  anywhere. Curated `container` attrs (`width`/`gap`/`verticalAlign`).
+- `@ogs-tech/press-shared` is now a PUBLISHED runtime dependency of press-web:
+  it ships the tree types + the sanitizing `validatePressTree` validator used
+  by the cms write path and the web render path.
+- Palette: new `preset-molecule.link` (label/page/url/newTab) referenced by
+  button/hero/cta/navbar; `preset-molecule.nav-item`, `preset-molecule.column`,
+  `preset-organism.columns` removed. Text atoms store curated PLAIN TEXT
+  (`content: text`) — the Strapi blocks AST leaves the wire (`renderBlocks`
+  removed). `preset-layout.{container,row,column}` descriptors drive the
+  builder's layout forms.
+- Serve-time hydration: media `{ assetId }` and page `{ documentId }` refs are
+  resolved server-side (fresh URLs/slugs; rename-safe internal links).
+- Web: `TreeRenderer` (header/main/footer shell) replaces `BlockRenderer`;
+  `PressLink`/`resolveLink` are the one link resolver; prose rail rescoped to
+  direct `<main>` children; `PageBody` generates as `PressTree`; the
+  `HeaderBlocks`/`FooterBlocks` unions are gone.

.changeset/free-column-spans.md

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+---
+'@ogs-tech/press-shared': major
+'@ogs-tech/press-web': major
+'@ogs-tech/press-cms': major
+'@ogs-tech/create-press': patch
+---
+
+feat!: free 1–12 column spans per breakpoint, replacing the row ratio enum
+
+BREAKING (wire): `PRESS_TREE_VERSION` bumps 1 → 2. `RowNode.ratio` (and the
+`Ratio` type) is removed; each `ColumnNode` now carries `span: { base; md?; lg? }`
+(1–12 tracks, mobile-first, `base` required) — the one responsive value stored in
+the composition tree. Readers fail-to-empty on any other version; writers reject
+malformed spans. **No data migration** (pre-release, authorized): stored v1 trees
+are dropped on read.
+
+- shared: `Span`/`ColumnSpan` types, span validation (default `{ base: 12 }` +
+  warn on malformed tiers), version-2 gate, no wire column cap.
+- web: `spanFor(column)` passthrough; `RATIO_SPANS` removed; `<Column>`, the four
+  primitives, and `theme.css` are untouched.
+- cms: builder replaces the row-ratio select with per-column base/md/lg span
+  selects, a read-only 12-track preview bar, a breakpoint toggle, and a per-tier
+  total badge; `MAX_COLUMNS` 4 → 12; `preset-layout.row` descriptor drops `ratio`.
+
+Adopters must reseed: a playground/dev DB seeded at v1 (pageDefaults/home) reads
+back empty until reseeded — reset the DB and let `pnpm dev` reseed at v2.