diff --git a/skills/hyperliquid-plugin/.claude-plugin/plugin.json b/skills/hyperliquid-plugin/.claude-plugin/plugin.json
index 0d3bcac04..53204c377 100644
--- a/skills/hyperliquid-plugin/.claude-plugin/plugin.json
+++ b/skills/hyperliquid-plugin/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "hyperliquid-plugin",
   "description": "Hyperliquid on-chain perpetuals DEX — check positions, get market prices, place and cancel perpetual orders on Hyperliquid L1 (chain_id 999).",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "author": {
     "name": "GeoGu360",
     "github": "GeoGu360"
diff --git a/skills/hyperliquid-plugin/Cargo.lock b/skills/hyperliquid-plugin/Cargo.lock
index 476f6972b..30e5b15aa 100644
--- a/skills/hyperliquid-plugin/Cargo.lock
+++ b/skills/hyperliquid-plugin/Cargo.lock
@@ -591,7 +591,7 @@ dependencies = [
 
 [[package]]
 name = "hyperliquid-plugin"
-version = "0.4.3"
+version = "0.4.4"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/skills/hyperliquid-plugin/Cargo.toml b/skills/hyperliquid-plugin/Cargo.toml
index ed36de111..8d3eec6a7 100644
--- a/skills/hyperliquid-plugin/Cargo.toml
+++ b/skills/hyperliquid-plugin/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hyperliquid-plugin"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2021"
 
 [[bin]]
diff --git a/skills/hyperliquid-plugin/SKILL.md b/skills/hyperliquid-plugin/SKILL.md
index ff482d431..4dc4e892f 100644
--- a/skills/hyperliquid-plugin/SKILL.md
+++ b/skills/hyperliquid-plugin/SKILL.md
@@ -1,7 +1,7 @@
 ---
 name: hyperliquid-plugin
 description: Hyperliquid DEX — trade perps & spot, deposit from Arbitrum, withdraw to Arbitrum, transfer between perp and spot accounts, manage gas on HyperEVM.
-version: "0.4.3"
+version: "0.4.4"
 author: GeoGu360
 tags:
   - perps
diff --git a/skills/hyperliquid-plugin/plugin.yaml b/skills/hyperliquid-plugin/plugin.yaml
index a8e7351d3..74ce950a9 100644
--- a/skills/hyperliquid-plugin/plugin.yaml
+++ b/skills/hyperliquid-plugin/plugin.yaml
@@ -1,6 +1,6 @@
 schema_version: 1
 name: hyperliquid-plugin
-version: "0.4.3"
+version: "0.4.4"
 description: "Trade perpetuals on Hyperliquid - check positions, get prices, place market/limit orders with TP/SL brackets, close positions, deposit USDC"
 author:
   name: GeoGu360
diff --git a/skills/hyperliquid-plugin/src/commands/get_gas.rs b/skills/hyperliquid-plugin/src/commands/get_gas.rs
index b9e405aa2..6aa0dac15 100644
--- a/skills/hyperliquid-plugin/src/commands/get_gas.rs
+++ b/skills/hyperliquid-plugin/src/commands/get_gas.rs
@@ -154,10 +154,20 @@ pub async fn run(args: GetGasArgs) -> anyhow::Result<()> {
         let approve_calldata = data["data"].as_str().unwrap_or("");
         let approve_value = parse_wei(data["value"].as_str().unwrap_or("0x0"));
 
-        // Skip if allowance is already sufficient
-        let existing = erc20_allowance(USDC_ARBITRUM, &wallet, approve_to, ARBITRUM_RPC)
-            .await
-            .unwrap_or(0);
+        // Skip if allowance is already sufficient.
+        // EVM-012: surface RPC errors instead of silent unwrap_or(0) — that turned
+        // a transient publicnode hiccup into an unnecessary re-approve.
+        let existing = match erc20_allowance(USDC_ARBITRUM, &wallet, approve_to, ARBITRUM_RPC).await {
+            Ok(v) => v,
+            Err(e) => {
+                println!("{}", super::error_response(
+                    &format!("Failed to read USDC allowance for relay solver {}: {:#}", approve_to, e),
+                    "RPC_ERROR",
+                    "Public Arbitrum RPC may be limited; retry shortly.",
+                ));
+                return Ok(());
+            }
+        };
 
         if existing < usdc_units as u128 {
             eprintln!("Approving USDC to relay solver...");
diff --git a/skills/hyperliquid-plugin/src/onchainos.rs b/skills/hyperliquid-plugin/src/onchainos.rs
index d7f542d6d..a792d4056 100644
--- a/skills/hyperliquid-plugin/src/onchainos.rs
+++ b/skills/hyperliquid-plugin/src/onchainos.rs
@@ -2,6 +2,11 @@ use std::process::Command;
 use serde_json::Value;
 use sha3::{Digest, Keccak256};
 
+/// `--biz-type` / `--strategy`: attribution to the onchainos backend.
+/// Source-of-truth for the plugin name is Cargo.toml's `[package]` `name`.
+const BIZ_TYPE: &str = "dapp";
+const STRATEGY: &str = env!("CARGO_PKG_NAME");
+
 /// Execute an EVM contract call via onchainos wallet contract-call.
 /// chain_id: the EVM chain (e.g. 42161 for Arbitrum).
 /// to: contract address.
@@ -29,6 +34,10 @@ pub fn wallet_contract_call(
     let mut args = vec![
         "wallet".to_string(),
         "contract-call".to_string(),
+        "--biz-type".to_string(),
+        BIZ_TYPE.to_string(),
+        "--strategy".to_string(),
+        STRATEGY.to_string(),
         "--chain".to_string(),
         chain_id.to_string(),
         "--to".to_string(),