Network endpoints
| Connection | Used for | Boundary |
|---|---|---|
| Local Ollama loopback service | Local summaries, chat, embeddings, model management, and global-index embedding | Local processing; the runtime uses a loopback address on the device. |
| whisper.cpp model source on Hugging Face | Downloading a selected Whisper model | Network action initiated by model download or optional background preparation. |
| Configured Ollama registry | Pulling a local Ollama or embedding model | Requested through the local runtime; registry choice is owned by Ollama configuration. |
User-configured /chat/completions path |
External API summary and chat generation | Remote; can receive generation context. |
User-configured /embeddings path |
Provider-aware remote embeddings and query embedding | Remote; can receive transcript, summary, or query text. |
Synthezia does not register a user-facing automatic application-update or release-check flow in the inspected runtime. This statement does not cover macOS, development tools, or any remote provider’s own traffic.

