Merge upstream main into daily focus board

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 83dd4f49-a03d-44a0-bdd1-8c4f54da8ec2

plugins/external.json

@@ -554,6 +554,28 @@
       "sha": "b4ffffc810130893117a7b8f797e0a33102e66de"
     }
   },
+  {
+    "name": "modern-web-guidance",
+    "description": "Modern Web Guidance is an agent skill and CLI tool designed to help AI coding agents build web applications using modern, secure, and high-performance APIs rather than outdated workarounds.\nSupported by the Google Chrome team, it injects expert-curated web platform best practices directly into an agent's context window to prevent the generation of bloated, legacy code.",
+    "version": "0.0.179",
+    "author": {
+      "name": "GoogleChrome",
+      "url": "https://github.com/GoogleChrome"
+    },
+    "repository": "https://github.com/GoogleChrome/modern-web-guidance",
+    "homepage": "https://developer.chrome.com/docs/modern-web-guidance",
+    "license": "Apache-2.0",
+    "keywords": [
+      "frontend",
+      "web",
+      "baseline"
+    ],
+    "source": {
+      "source": "github",
+      "repo": "GoogleChrome/modern-web-guidance",
+      "ref": "v0.0.179"
+    }
+  },
   {
     "name": "modernize-dotnet",
     "description": "AI-powered .NET modernization and upgrade assistant. Helps upgrade .NET Framework and .NET applications to the latest versions of .NET.",
@@ -764,7 +786,7 @@
   {
     "name": "ui5",
     "description": "SAPUI5 / OpenUI5 plugin for GitHub CoPilot. Create and validate UI5 projects, access API documentation, run UI5 linter, get development guidelines and best practices for UI5 development.",
-    "version": "0.1.7",
+    "version": "0.1.8",
     "author": {
       "name": "SAP SE",
       "url": "https://www.sap.com"
@@ -785,13 +807,13 @@
       "source": "github",
       "repo": "UI5/plugins-coding-agents",
       "path": "plugins/ui5",
-      "ref": "v0.1.7"
+      "ref": "v0.1.8"
     }
   },
   {
     "name": "ui5-modernization",
     "description": "Complete UI5 modernization toolkit with workflow and specialized fix patterns for modernizing SAPUI5/OpenUI5 applications",
-    "version": "0.1.7",
+    "version": "0.1.8",
     "author": {
       "name": "SAP SE",
       "url": "https://www.sap.com"
@@ -811,13 +833,13 @@
       "source": "github",
       "repo": "UI5/plugins-coding-agents",
       "path": "plugins/ui5-modernization",
-      "ref": "v0.1.7"
+      "ref": "v0.1.8"
     }
   },
   {
     "name": "ui5-typescript-conversion",
     "description": "SAPUI5 / OpenUI5 plugin for GitHub CoPilot. Convert JavaScript based UI5 projects to TypeScript.",
-    "version": "0.1.7",
+    "version": "0.1.8",
     "author": {
       "name": "SAP SE",
       "url": "https://www.sap.com"
@@ -839,13 +861,13 @@
       "source": "github",
       "repo": "UI5/plugins-coding-agents",
       "path": "plugins/ui5-typescript-conversion",
-      "ref": "v0.1.7"
+      "ref": "v0.1.8"
     }
   },
   {
     "name": "upgrade-agent",
     "description": "AI-powered upgrade assistant for upgrading and migrating applications. Helps modernize legacy code and upgrade .NET applications to current frameworks.",
-    "version": "1.1.247",
+    "version": "1.1.290",
     "author": {
       "name": "Microsoft",
       "url": "https://www.microsoft.com"
@@ -864,7 +886,7 @@
       "source": "github",
       "repo": "microsoft/upgrade-agent-plugins",
       "path": "plugins/upgrade-agent",
-      "sha": "a70e1ae1ff63dd19ff874e874b4b587a5291f68a"
+      "sha": "559f6fea2deea78fb5adf2cfacba2a5151a5fa7f"
     }
   },
   {