chore: git cache cleanup

tools/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Deterministic, fast backend build step for CI/CodeQL extraction
+# Use `go list` to avoid long-running builds and network downloads.
+# Set GOPROXY to a standard proxy to avoid interactive network issues.
+set -euo pipefail
+cd backend
+export GOPROXY=${GOPROXY:-https://proxy.golang.org}
+export GOMODCACHE=${GOMODCACHE:-$(go env GOMODCACHE)}
+# First, list packages for fast JS extraction/diagnostics
+go list ./...
+# Ensure dependencies are downloaded and run a proper Go build so CodeQL can extract symbols
+go mod download
+go build ./...