chore(deps): narrow the React peer range to ^19.0.0 (objectui#13465)

.changeset/13465-react-peer-app-shell.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/app-shell": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-auth.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/auth": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-collaboration.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/collaboration": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-components.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/components": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-create-plugin.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/create-plugin": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** a generated plugin's `package.json` now declares `react` and `react-dom` peers as `^19.0.0` (was `^18.0.0 || ^19.0.0`), matching the React 19-only peer range every `@object-ui/*` package now declares. Plugins already generated are unchanged; their authors may narrow the range the same way. Declared `minor` per the version-alignment policy (objectui#13465).

.changeset/13465-react-peer-fields.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/fields": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-i18n.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/i18n": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-layout.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/layout": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-mobile.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/mobile": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-permissions.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/permissions": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-ai.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-ai": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-calendar.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-calendar": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-charts.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-charts": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-chatbot.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-chatbot": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-dashboard.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-dashboard": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-designer.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-designer": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-detail.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-detail": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-editor.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-editor": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-form.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-form": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-gantt.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-gantt": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-grid.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-grid": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-kanban.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-kanban": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-list.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-list": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-map.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-map": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-markdown.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-markdown": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-report.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-report": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-timeline.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-timeline": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-tree.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-tree": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-plugin-view.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/plugin-view": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-providers.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/providers": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-react-runtime.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/react-runtime": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` now reads `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

.changeset/13465-react-peer-react.md

@@ -0,0 +1,8 @@
+---
+"@object-ui/react": minor
+---
+
+Clause-②: no
+Metadata-protocol: none
+
+**Breaking:** React 18 is no longer a supported host. `peerDependencies.react` and `peerDependencies.react-dom` now read `^19.0.0` (was `^18.0.0 || ^19.0.0`). Nothing in this repository ever installed or tested React 18, so the old range was a promise without a test behind it; a React 18 host now gets a peer-dependency warning or refusal at install time instead of an untested runtime. Declared `minor` per the version-alignment policy (a changeset never declares `major`). Upgrade the host to React 19 (objectui#13465).

AGENTS.md

@@ -33,7 +33,7 @@ objectui renders for every product the same way — ObjectStack Cloud, HotCRM, a
 
 ## 2. Tech Stack (strict)
 
-- **Core:** React 18+ (Hooks), TypeScript 5.0+ (strict).
+- **Core:** React 19 (Hooks), TypeScript 5.0+ (strict).
 - **Styling:** Tailwind CSS (utility-first).
   - ✅ Use `class-variance-authority` (cva) for component variants.
   - ✅ Use `tailwind-merge` + `clsx` (via `cn()`) for class overrides.