fix workflow to fetch libsecp256k1.so

scripts/test.sh

@@ -2,8 +2,19 @@
 # Pure Go build with purego - no CGO needed
 # libsecp256k1 is loaded dynamically at runtime if available
 export CGO_ENABLED=0
-if [ -f "pkg/crypto/p8k/libsecp256k1.so" ]; then
-    export LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$(pwd)/pkg/crypto/p8k"
+
+# Download libsecp256k1.so from nostr repository if not present
+if [ ! -f "libsecp256k1.so" ]; then
+    echo "Downloading libsecp256k1.so from nostr repository..."
+    wget -q https://git.mleku.dev/mleku/nostr/raw/branch/main/crypto/p8k/libsecp256k1.so -O libsecp256k1.so || {
+        echo "Warning: Failed to download libsecp256k1.so - tests may fail"
+    }
+    chmod +x libsecp256k1.so 2>/dev/null || true
+fi
+
+# Set LD_LIBRARY_PATH to include current directory
+if [ -f "libsecp256k1.so" ]; then
+    export LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$(pwd)"
 fi
 
 go mod tidy