Replace monolithic compile-all with granular per-binary change detection.
detect-changes now outputs space-separated package/example lists based on
a dependency map from source directories to binary targets:
- Shared crates (common, config, Cargo.toml) → all binaries
- Service-specific dirs → only that service binary
- Domain crates (trading_engine, risk) → dependent service subset
- ML crates → ml-training-service + trading-service + all training
- ML subdirs (trainers/, hyperopt/, evaluation/) → specific training binaries
compile-services and compile-training accept package lists and build only
affected binaries, saving ~20-30s link time per skipped binary.
deploy-services restarts only affected deployments (trading-service
excluded from auto-deploy for safety).
Fix: 'latest' package update now replaces individual files instead of
deleting the entire package, preventing corruption during partial builds.
compile-and-train-template: derive needed training binaries from model
parameter (3 instead of 7), drop unused training_uploader build.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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