fix: correct opencode release v1.4.3 linux-x64 tarball

fix: use opencode CLI binary instead of desktop deb (CONFIG_ERROR fix)

fix: add models section to opencode.json config

feat: mount Gradio UI at /ui instead of root

fix: add missing _public_base_url helper

fix: reorder routes - mount Gradio after API routes to avoid 404

fix: rename app.py to main.py to avoid package import conflict

feat: clone OpenSIN-Code repo at runtime if missing

fix: add execute permission for start.sh to prevent runtime crash

fix: use start.sh as ENTRYPOINT to configure env

run: use python -m uvicorn

fix: use uvicorn directly

triggers: factory rebuild

fix: use curl with retry for opencode download

fix: robust Dockerfile with retries

build: add .dockerignore to reduce context

fix: normalize COPY instruction for stable builds

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