* Compute mean-square energy (sum_of_squares / n) WITHOUT the final sqrt. * Used in the hot path to avoid a per-frame sqrt; the caller compares * th

* Check if LlamaCPP can handle a given model

* Check if ONNX can handle STT models

* Check if ONNX can handle TTS models

* Check if ONNX can handle VAD (always true for Silero VAD)

* Cancel all active downloads. * * @return Number of downloads cancelled */

* Cancel an ongoing request. * * @param serviceType The service type */

* Cancel ongoing TTS synthesis

Cancel ongoing VLM generation

Non-blocking cancel for barge-in: signals producer to stop and silences audio. Does NOT join the producer — the thread finishes on its own after the c

* Capture an event for error/fault level logs

* Capture an error event in Sentry. */

* Capture the latest camera frame as RGB bytes. * Mirrors iOS captureOutput delegate that stores currentFrame (CVPixelBuffer). * * Came

* Capture screenshot of the visible tab * Returns base64 jpeg data URL or undefined if capture fails

* Capture screenshot and return as base64-encoded JPEG string. * Resizes to half resolution and compresses as JPEG at 60% quality. */

Convert TypeScript category string to C++ enum

* Check speech state based on audio level * Matches Swift: checkSpeechState(level:)

Check storage availability as JSON. */

* Check whether a model will fit in OPFS without eviction. * * Uses `navigator.storage.estimate()` for available space and compares * against

* Check a C++ return code and throw an SDKError if it indicates failure. * * @param rawValue The C++ return code to check * @param oper

* Prompt the user to choose a directory for model storage. * Opens the OS folder picker dialog. * Stores the directory handle in IndexedDB for f

* Clean up allocated callbacks and memory.

* Release all resources held by this backend. * Called during SDK shutdown in reverse registration order.

* Cleanup voice agent resources

* Clear API configuration from secure storage */

* Clear stored auth tokens

* Clear all cached values

Clear all messages and reset to empty state.

* Clear device registration flag (for testing) * Forces re-registration on next SDK init

* Clear device registration flag (for testing) * Forces re-registration on next SDK init

* Clear the loaded document and destroy the RAG pipeline. * * Resets all document and conversation state. * Mirrors iOS `RAGViewModel.c

* Clear all stored identity info

* Clear stored SDK parameters

* Collect device info on Android using reflection to access Build class. */

* Generate text and return the complete result. * * Uses the streaming path (`generateStream`) and drains the token stream * to collect the full re

* Compute mel spectrogram from raw audio. * Input: [1, N] raw audio samples * Output: [num_frames, 32] mel spectrogram with transform applied */

* Compute embedding from a 76-frame melspectrogram window. * Input: [1, 76, 32, 1] melspectrogram window * Output: [96] embedding vector */

* Configure the logging system. * Matches iOS: Logging.configure(_ config: LoggingConfiguration) * * @param config - Partial configuration to

* Configure development mode using Supabase credentials. * Called during WASM init using credentials read from rac_dev_config_*.

* Configure development mode with Supabase credentials * * When in development mode, SDK makes calls directly to Supabase * instead of going

* If the WASM module has dev config compiled in, use it to configure HTTPService.

Consumer: wait for chunks, play them as they arrive

* Convert a CppBridgeModelRegistry.ModelInfo to ModelStorageMetrics. * Calculates actual size on disk from the model's local path. */

Helper: Convert common symbols to spoken words Returns empty string if no conversion needed (symbol should be removed) Returns the symbol itself if it

* Vite plugin to copy WASM binaries into the build output. * * Emscripten JS glue files resolve `.wasm` via `new URL("x.wasm", import.meta.url)`, *

* Count words in text. */

* Create a new conversation */

* Create a directory and all intermediate directories. * Equivalent to `mkdir -p`. */

Get current timestamp in milliseconds

* VLM-only mode: analyze a screenshot and return a tool call / action decision. * Used when LLM is not loaded and VLM drives the agent autonomous

* Decompress gzip data using the browser's native DecompressionStream API. * Supported in Chrome 80+, Firefox 113+, Safari 16.4+.

Delete a downloaded adapter file. Always attempts unload first (ignores if not loaded). */

* Delete a conversation */

* Delete a downloaded model */

* Describe the current camera frame. Mirrors iOS describeCurrentFrame(). */

* Detect the current Amazon page state from URL and page content

* Detect CAPTCHA pages