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build: configure permissions for Hugging Face Spaces and add push sync workflow

fix: upgrade torch version to >=2.4.0+cpu to support newer transformers pipeline requirements

ci: configure automated deploy trigger for Render after tests succeed

ci: add GitHub Actions workflow to run test suite

build: pin Python version to 3.11 for Netlify and other build tools

perf: optimize package installation and memory footprint for Streamlit Cloud deployment

fix: resolve ProxyConfig load_from_yaml AttributeError in standalone mode

perf: limit PyTorch threads to 1 and disable gradients during PII detection

fix: force CPU-only PyTorch index for Streamlit Cloud

feat: implement standalone in-process fallback mode for Streamlit Cloud

fix: add extra-index-url for cpu-only torch in requirements.txt and import torch explicitly in guardrail

fix: install torch dependency and optimize for CPU-only in Dockerfile

fix: separate FastAPI and Streamlit into two independent Railway services

fix: resolve Railway blank page - proxy static assets + fix WebSocket frames + log streaming

feat: production-ready cloud deployment with single-port reverse proxy

Implement entity-level PII remediation controls (BLOCK, MASK, REWRITE, IGNORE) for specific PII types in the Streamlit UI and proxy backend

Integrate DeBERTa-v3 PII guardrail, rename guardrail modules, fix ModelResponse item assignment error, and display guardrailed query in Streamlit UI

Refine Block, Mask, Rewrite guardrail actions with robust zero-regex scanners and verification

feat: implement stacked UI layout, individualized model settings, PII renaming, session history logs, and customizable regex guardrails

feat: integrate Streamlit frontend dashboard, configure dynamic proxy URL, and support core security guardrails

Refactor PII shielding to use native LiteLLM Guardrail Callback with local Presidio scans

feat: upgrade PII guardrail to a scalable configuration-driven engine with live UI status badges

feat: implement complexity-aware routing, visual playground UI enhancements, and reversible PII anonymization engine

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Initial commit: class-based LiteLLM load balancer proxy with PII shielding and cost-aware routing