Reflector/rust

[Aalivexy]

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[Copilot]

Pull request overview

This PR migrates the server’s translation execution path to a new pure-Rust LinguaSpark inference engine, updates model discovery/loading accordingly, and adds batch translation support across compatible endpoints.

Changes:

• Replaces the previous translator integration with a new InferenceEngine (executor pool + model asset discovery, including .gz support).
• Adds native /translate batch support (string or array payload shape) and refactors translation utilities for normalization/source-language resolution.
• Updates server configuration/runtime behavior (NUM_WORKERS auto-tuning, protected-route auth scoping) and refreshes docs/container build workflows.

Reviewed changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/translation.rs	Refactors language parsing/detection and introduces batch translation helper using the inference engine.
src/main.rs	Wires in InferenceEngine, adjusts worker/IP parsing, and scopes auth middleware to protected routes.
src/inference.rs	Adds new inference engine implementation, model scanning, asset loading, and executor pooling.
src/endpoint.rs	Extends native translate API to accept batch inputs and shifts immersive endpoint to batch translation.
README.md	Updates documentation to reflect LinguaSpark inference and new model layout + batch API.
README_ZH.md	Same as README.md, in Chinese.
Dockerfile.enzh	Updates model copy layout and removes explicit NUM_WORKERS.
Dockerfile	Builds locked release binary and simplifies runtime image (no extra .so copying).
Cargo.toml	Adds flate2, bumps tower-http, and pins linguaspark git dependency.
Cargo.lock	Updates dependency graph for the new inference engine + compression support.
.cnb.yml	Updates model download layout and Docker build context for the en-zh image workflow.

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