* Returns true if `path` exists (file or directory). Returns false on ENOENT. * Re-throws other errors (permission denied, etc.) so we don't silently

* Process Figma HTML clipboard data — extract, decode, and add to canvas. * Returns true if Figma nodes were pasted.

* List config providers * * Get a list of all configured AI providers and their default models.

Push document to the live Electron canvas. Fails silently if unavailable.

* Read a declared dimension as a pixel number when possible. Returns * `null` for `'fill_container'`, `'fit_content'`, `undefined`, or any * non-num

Rebuild the index from a list of render nodes.

* Render a single page to encoded image bytes. * Returns null if the SkiaEngine isn't available, the page is empty, * or surface allocation/encoding

* Recursive tree walker that swaps a node by id with a wholesale replacement. * Returns a new array — does not mutate the input.

* Reset all drag/marquee state. Called on mouse up.

* Resolve the absolute path to the compiled MCP server. * In dev: <project>/dist/mcp-server.cjs * In production (Electron): <resources>/mcp-server.c

Resolve style references on a single node-like object.

Resolve path expressions like `binding+"/child"` or `"id"`

Resolve slash-separated path (e.g. "instanceId/childId") to find the actual node.

* On Windows, `where` may return an extensionless Unix shell script (e.g. `…/npm/opencode`). * This file exists but can't be executed. Prefer `.cmd`

* Send a message through the agent pipeline. * Opens an SSE connection to /api/ai/agent, dispatches tool calls * client-side, and updates the AI sto

* Save base64 attachments to temp files. Returns { tempDir, files[] } — caller must clean up tempDir. * * When `insideProject` is true, files are sa

* Find all nodes that intersect with a rectangle (for marquee selection).

Send a file path to the renderer for loading.

Serialize document to JSON string. Throws on failure.

Set callback to trigger re-render when an image finishes loading.