dsh-ui-translate

English-first users of the DeepSeek Harness Web interface often find themselves staring at a fully Chinese UI, yet turning on Chrome auto-translate shatters React component bindings, corrupts editor fields, and mangles inline code. dsh-ui-translate sidesteps that conflict by running every translation inside a dedicated browser Web Worker: source text and its translation never leave the local machine, and the plugin surgically skips textarea, code, contenteditable, and other author-sensitive regions while modifying only text data nodes. DOM structure, event listeners, and React ownership remain completely intact.\n\nThree backends are available and mutually exclusive. The default offline glossary maps a curated set of Chinese UI labels with zero network traffic. The browser-local OPUS-MT backend—a roughly 110 MB quantized model downloaded once from Hugging Face and cached locally—translates all visible Chinese text on the page with no further downloads. An optional OpenAI-compatible backend sends only compile-time allowlisted phrases and is restricted to loopback addresses or explicitly approved HTTPS endpoints. Local inference runs in small sequential batches that prioritize visible navigation, settings, and live-status text first, then queues newly scrolled-into-view content. Translated characters carry a configurable visual marker—purple overlay, dashed underline, both, or none—and a deliberate hover of about 0.65 seconds reveals a single contextual action: show the original or re-translate.\n\nThe plugin suits English-first users of DSH Web who want a readable interface without routing page content through a third-party translation service, as well as local development environments that prefer zero external network calls for UI text. DSH plugin developers can additionally opt in specific read-only elements—descriptions, context summaries, injected document text—by adding the data-dsh-translate=\"prose\" attribute, giving the local engine a safe, scoped surface without exposing JSON schemas, tool arguments, or executable code.