Polymorphic button with six visual variants, four sizes, and asChild composition.

A bordered surface with header, title, description, content, and footer slots.

Inline code with a muted background that matches prose and tables.

Role-aware chat bubble with avatar, display name, timestamp, and delivery status.

Compound chat input with slots for providers, models, skills, attachments, search, thinking, and mentions.

A ready-made Composer with an input and send button.

Scrollable transcript with an ARIA live region, empty state, loading state, and auto-scroll.

Complete chat surface: transcript, composer, typing indicator, stop button, and error banner.

XSS-safe GFM renderer for headings, lists, tables, blockquotes, links, and inline code.

Syntax-aware code surface with language label, optional line numbers, and copy-to-clipboard.

Pulsing placeholder lines for pending messages and loading panels.

Token reveal with an optional blinking caret for in-progress assistant replies.

Three bouncing dots with a screen-reader status label.

Abort control that appears while a response is streaming.

Inline notice that marks a response the user cancelled.

Expandable tool invocation card with status, arguments, result, error, and duration.

Formatted output block for a tool response, with monospace JSON handling.

Collapsible reasoning trace for models that expose chain-of-thought summaries.

Citation card with title, hostname, snippet, and a safe external link.

Searchable model dropdown with keyboard navigation and provider hints.

Segmented provider pills with logo, label, and pressed state.

Quick-start prompt chips for empty chat states.

Thumbs up/down controls for rating assistant responses.

Chat history rail with active state, timestamps, and a new-chat action.

Tab switcher for alternate response branches.

Headless chat state: send a message, await a reply, stream status, stop, and clear.

Full ChatGPT-style layout with conversation rail, messages, streaming state, and composer.

Human-in-the-loop prompt that asks the user to approve or reject a tool call.

Stacked source cards for grounded answers and research results.

Context provider that owns text, model, toggles, send, and disabled state for a stage.

Full-bleed stage frame with hero, footer, max-width, and stretch behaviour.

Animated prompt surface with border, shadow, entrance, and focus-within glow.

Auto-resizing textarea wired to compose context; Enter sends, Shift+Enter breaks.

Icon-only round button with active state and accessible label.

Text pill for composer toggles such as web search, deep think, or tools.

Send control bound to compose state; disabled until text exists.

Model menu trigger with keyboard navigation, light tone, and top or bottom placement.

Prompt suggestions as pills or as a two-column card grid.

Muted provider disclaimer line for the bottom of a composer stage.

Read and drive compose state from any child of ComposeProvider.

Factories that pre-bind a provider's static config to a shell and context, plus an HOC variant.

A faithful ChatGPT compose stage with the collapsible rail, rounded prompt bar, and public chrome.

The Gemini capsule composer with the greeting hero, gradient bloom, and pill-shaped prompt field.

An answer-engine stage with a research rail, source cards, and the teal Sonar model menu.

Claude's warm parchment stage, serif greeting, and research/thinking composer controls.

Grok's stark monochrome stage with the Fast / Expert / Heavy model picker.

Le Chat's orange-accented header, rounded prompt bar, and Mistral Large model menu.

DeepSeek's blue-tinted stage with DeepThink and Search toggles above the prompt.

Z.ai's framed canvas, template cards, and GLM model menu with a warm paper tint.

Moonshot's KIMI stage with a project rail, skill tray, and K3 model picker.

MiniMax Code's task rail, download pill, and rounded capsule prompt bar.

MiMo's brutalist cream stage with oversized display type and a hard-shadow composer.

Cohere's enterprise research stage with pastel gradient blobs and the Command R model menu.

Meta AI's bloom mark, violet gradient headline, and soft rounded prompt card.

Copilot's parchment stage with the gradient ring composer and suggestion pills.

Qwen's gallery-white stage with a top-left model menu and search/thinking pills.