chore(parser): sync upstream parser updates

.github/upstream-subconverter.applied.json

@@ -1 +1,20 @@
-[]
+[
+  {
+    "sha": "ca209069bef6aa192ea4c6d63acc8fcc2125ad03",
+    "subject": "Update subparser.cpp",
+    "time": "2026-05-21T02:19:51+00:00",
+    "paths": [
+      "src/parser/subparser.cpp"
+    ],
+    "copilot_reason": "Single-line parser tweak (case-insensitive regex for wssettings). No generator or bridge changes."
+  },
+  {
+    "sha": "79369b0e7617e24366b57cbfb0402e6293d04fb4",
+    "subject": "Update subparser.cpp",
+    "time": "2026-05-21T02:19:51+00:00",
+    "paths": [
+      "src/parser/subparser.cpp"
+    ],
+    "copilot_reason": "Small parser-only adjustments to plugin option handling; backward-compatible parsing changes."
+  }
+]

.github/upstream-subconverter.seen

@@ -1 +1 @@
-add52ec9cb86da1a1276b74b75e2de667fe3c31c
+633ecd5a3b33cf288658f0910fb2cc5faabd351c

.github/upstream-subconverter.skipped.json

@@ -1 +1,53 @@
-[]
+[
+  {
+    "sha": "c6b9661088941e56cd3def92f579add450276626",
+    "subject": "add vless encryption field support.(#59) fix AnyTLS and TUIC IPV6 filed parse and some AnyTLS.(#58) fix macos arm build.",
+    "time": "2026-05-21T02:19:51+00:00",
+    "reason": "Adds VLESS encryption and AnyTLS/TUIC parsing fixes while also changing generator/export code — requires coordinated exporter updates.",
+    "copilot_decision": {
+      "sha": "c6b9661088941e56cd3def92f579add450276626",
+      "decision": "needs_output_adapter",
+      "risk": "medium",
+      "reason": "Adds VLESS encryption and AnyTLS/TUIC parsing fixes while also changing generator/export code — requires coordinated exporter updates.",
+      "required_tests": [
+        "explodeStdVless_encryption_field",
+        "explodeSingbox_vless_encryption_capture",
+        "singbox_export_roundtrip_with_encryption"
+      ]
+    }
+  },
+  {
+    "sha": "bca37c74367792077d35a3260cb65bd0e75ae8e2",
+    "subject": "Enhance proxy configuration to support the WebSocket transport protocol and custom headers.",
+    "time": "2026-05-21T02:19:51+00:00",
+    "reason": "Introduces WebSocket host/path/header parsing and generator ws-opts mapping; parser and exporter must be applied together.",
+    "copilot_decision": {
+      "sha": "bca37c74367792077d35a3260cb65bd0e75ae8e2",
+      "decision": "needs_output_adapter",
+      "risk": "medium",
+      "reason": "Introduces WebSocket host/path/header parsing and generator ws-opts mapping; parser and exporter must be applied together.",
+      "required_tests": [
+        "explodeTrojan_ws_host_fallback",
+        "proxyToClash_ws_opts_generation",
+        "clash_ws_roundtrip_headers"
+      ]
+    }
+  },
+  {
+    "sha": "877a1291a0b618ad52f98ea1ffaddb5d17c1c22f",
+    "subject": "keep dialer-proxy when converting Clash subscriptions",
+    "time": "2026-05-21T02:19:51+00:00",
+    "reason": "Propagates dialer/underlying_proxy across many proxy types and updates generator; application requires exporter changes to preserve detour/dialer-proxy.",
+    "copilot_decision": {
+      "sha": "877a1291a0b618ad52f98ea1ffaddb5d17c1c22f",
+      "decision": "needs_output_adapter",
+      "risk": "medium",
+      "reason": "Propagates dialer/underlying_proxy across many proxy types and updates generator; application requires exporter changes to preserve detour/dialer-proxy.",
+      "required_tests": [
+        "explodeClash_underlying_proxy_propagation",
+        "proxy_export_preserves_dialer_proxy",
+        "clash_subscription_conversion_dialer_proxy"
+      ]
+    }
+  }
+]

src/parser/subparser.cpp

@@ -399,7 +399,7 @@ void explodeVmessConf(std::string content, std::vector<Proxy> &nodes) {
     std::string streamset = "streamSettings", tcpset = "tcpSettings", wsset = "wsSettings";
     regGetMatch(content, "((?i)streamsettings)", 2, 0, &streamset);
     regGetMatch(content, "((?i)tcpsettings)", 2, 0, &tcpset);
-    regGetMatch(content, "((?1)wssettings)", 2, 0, &wsset);
+    regGetMatch(content, "((?i)wssettings)", 2, 0, &wsset);
 
     json.Parse(content.data());
     if (json.HasParseError() || !json.IsObject())
@@ -1286,7 +1286,7 @@ void explodeClash(Node yamlnode, std::vector<Proxy> &nodes) {
                                 singleproxy["plugin-opts"]["host"] >>= pluginopts_host;
                                 tls = safe_as<bool>(singleproxy["plugin-opts"]["tls"]) ? "tls;" : "";
                                 singleproxy["plugin-opts"]["path"] >>= path;
-                                pluginopts_mux = safe_as<bool>(singleproxy["plugin-opts"]["mux"]) ? "mux=4;" : "";
+                                pluginopts_mux = safe_as<bool>(singleproxy["plugin-opts"]["mux"]) ? "4" : "";
                             }
                             break;
                         default:
@@ -1306,7 +1306,7 @@ void explodeClash(Node yamlnode, std::vector<Proxy> &nodes) {
                         pluginopts += pluginopts_host.empty() ? "" : ";obfs-host=" + pluginopts_host;
                         break;
                     case "v2ray-plugin"_hash:
-                        pluginopts = "mode=" + pluginopts_mode + ";" + tls + pluginopts_mux;
+                        pluginopts = "mode=" + pluginopts_mode + ";" + tls;
                         if (!pluginopts_host.empty())
                             pluginopts += "host=" + pluginopts_host + ";";
                         if (!path.empty())