chore: import upstream snapshot with attribution

scripts/version.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+# Source this file to set version environment variables
+# Usage: source ./scripts/version.sh
+
+# Get the latest git tag as version
+PACKAGE_VER=$(git describe --tags --abbrev=0 2>/dev/null | sed 's/^v//' || echo "0.0.0")
+
+# Get current commit hash
+CURRENT_COMMIT=$(git rev-parse HEAD 2>/dev/null || echo "")
+
+# Get commit hash of the latest tag
+TAG_COMMIT=$(git rev-list -n 1 "$(git describe --tags --abbrev=0 2>/dev/null || echo HEAD)" 2>/dev/null || echo "")
+
+# Set revision only if current commit differs from tag commit
+if [ -n "$CURRENT_COMMIT" ] && [ "$CURRENT_COMMIT" != "$TAG_COMMIT" ]; then
+    PACKAGE_REV=$(git rev-parse --short HEAD)
+else
+    PACKAGE_REV=""
+fi
+
+# Export variables for use in docker build
+export PACKAGE_VER
+export PACKAGE_REV
+
+# Print version information
+echo "======================================"
+echo "PentAGI Build Version"
+echo "======================================"
+echo "PACKAGE_VER: $PACKAGE_VER"
+if [ -n "$PACKAGE_REV" ]; then
+    echo "PACKAGE_REV: $PACKAGE_REV (development)"
+    echo "Full version: $PACKAGE_VER-$PACKAGE_REV"
+else
+    echo "PACKAGE_REV: (release)"
+    echo "Full version: $PACKAGE_VER"
+fi
+echo "======================================"
+echo ""
+echo "Environment variables exported:"
+echo "  \$PACKAGE_VER = $PACKAGE_VER"
+echo "  \$PACKAGE_REV = $PACKAGE_REV"
+echo ""