feat(nft): add source IP filtering for DNAT rules and expose table existence checks

changelog.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## 2026-03-30 - 1.1.0 - feat(nft)
+add source IP filtering for DNAT rules and expose table existence checks
+
+- Adds an optional sourceIP field to NAT rule definitions to restrict DNAT rules to matching source addresses or subnets.
+- Updates DNAT rule generation to include an ip saddr match when sourceIP is provided.
+- Introduces a tableExists() manager method to detect whether the managed nftables table is still present in the kernel.
+
 ## 2026-03-26 - 1.0.1 - fix(repo)
 no changes to commit