deepline-plays-improve

# Deepline Plays Improve ## Quick Start ```bash npm install -g deepline # Fallback for secure sandboxes: mkdir -p "$HOME/.local" && npm config set prefix "$HOME/.local" && export PATH="$HOME/.local/bin:$PATH" && npm install -g deepline --registry https://code.deepline.com/api/v2/npm/ deepline auth register --wait auto deepline auth wait --timeout 120 # completes Cowork/browser approval; no-op if already connected deepline auth status deepline -h ``` Improve a Play through one of three related modes. Google Sheets is the review and labeling surface; completed Play datasets remain the execution record. | User intent | Mode | Default behavior | | ------------------------------------- | -------- | --------------------------------------------------------- | | Review one run or address comments | Review | One feedback pass, then a revised run | | Measure a run against expected labels | Evaluate | Score once against a fixed golden-data version | | Iteratively improve a metric | Optimize | Bounded candidate loop with development and holdout cases | Do not silently turn review into optimization. Optimization makes repeated provider calls and changes Play behavior, so it needs an explicit metric, budget, and stopping rule. The live CLI is the source of truth. Confirm the tools before first use: ```bash test -n "${WORKDIR:-}" || { echo "Set WORKDIR to a writable t...