Module preview 

Preview system for rendering and capturing WaterUI views.

This module provides infrastructure for the water preview command:

• app_client: TCP client for communicating with the preview support app
• protocol: Message definitions for preview support app communication
• inputs: Content fingerprinting for preview build caching
• launcher: Preview support app lifecycle management
• request: Preview argument resolution shared by water preview and the water mcp preview tool

Re-exports

pub use protocol::PreviewPlatform;

pub use request::CliHydrolysisPreviewTheme;

pub use request::CliPreviewBackend;

pub use request::CliPreviewPlatform;

pub use request::PreviewRequest;

pub use request::PreviewTarget;

Modules

protocol

Preview command protocol types.

request

Shared preview request resolution for water preview and the MCP preview tool.

Structs

HydrolysisPreviewRequest

Common inputs for driving the managed Hydrolysis preview backend.

HydrolysisPreviewScenario

Interactive capture scenario for Hydrolysis preview.

HydrolysisPreviewScenarioEvent

One input event in a preview scenario timeline.

PreviewAppClient

TCP client for the preview support app.

PreviewSession

A preview session that manages the preview app and TCP connection.

Size

Frame size for rendering.

Enums

HydrolysisPreviewEventKind

Event kind in a preview scenario.

HydrolysisPreviewPointerButton

Pointer button identifier for scenario events.

HydrolysisPreviewSource

Source used to produce a Hydrolysis preview view.

HydrolysisPreviewTheme

Theme package selected for Hydrolysis preview rendering.

PreviewProbe

What probing one or more candidate preview apps produced.

Functions

launch_preview_session

Launch a preview session for the given platform.

render_preview_with_hydrolysis

Render a preview via the managed Hydrolysis backend binary.

test_preview_with_hydrolysis

Run a semantic preview test session via the managed Hydrolysis backend binary.