diff --git a/editors/vscode/src/compiler.cjs b/editors/vscode/src/compiler.cjs
index 51b83231..e3979dc1 100644
--- a/editors/vscode/src/compiler.cjs
+++ b/editors/vscode/src/compiler.cjs
@@ -1,6 +1,6 @@
 "use strict";
 // Generated by scripts/build-editor-compiler.mjs. Do not edit directly.
-// WRN editor compiler source hash: 55b8301cff11aaee86a6692d86801e583eae0764af059dc10fdd83c047f4891b
+// WRN editor compiler source hash: c0e3e8c72c68cb3c182e2de84c13ef0b8921579d9b081550002b8cdbe4af3397
 // WRN editor compiler generator hash: c71e7fe4258c97b73b384ff14b321f0cf0b30cc2ed0322f5f84b04e757159b18
 // Generated with TypeScript: 5.9.3
 const __nodeRequire = require;
@@ -4363,6 +4363,17 @@ function astDiagnostics(ast, options) {
             interactive = true;
         const tag = node.tag.toLowerCase();
         for (const attribute of node.attrs) {
+            if (attribute.event && (attribute.name === "for" || attribute.name === "key")) {
+                diagnostics.push({
+                    code: "WRN-TEMPLATE-LOOP-DIRECTIVE",
+                    severity: "error",
+                    message: `@${attribute.name} is an event binding, not a loop directive.`,
+                    hint: attribute.name === "for"
+                        ? 'Use data-for="item in items".'
+                        : 'Use data-key="item.id" alongside data-for.',
+                    file: options.file,
+                });
+            }
             if (attribute.event || attribute.boolean || !urlAttributes.has(attribute.name.toLowerCase()))
                 continue;
             if (attribute.value.includes("{"))
@@ -7017,7 +7028,9 @@ function validateTypedInitializer(name, annotation, expression) {
  * Server output retains the original typed source.
  */
 function eraseFunctionTypes(source) {
-    return source.replace(/(\b(?:async\s+)?function\s+[A-Za-z_$][\w$]*\s*\()([^)]*)(\)\s*)(?::\s*([^{}=>]+)\s*)?(\{)/g, (_whole, open, params, close, _returnType, brace) => {
+    return source
+        .replace(/\bcatch\s*\(\s*([A-Za-z_$][\w$]*)\s*:\s*(?:any|unknown)\s*\)/g, "catch ($1)")
+        .replace(/(\b(?:async\s+)?function\s+[A-Za-z_$][\w$]*\s*\()([^)]*)(\)\s*)(?::\s*([^{}=>]+)\s*)?(\{)/g, (_whole, open, params, close, _returnType, brace) => {
         const plainParams = params
             .split(",")
             .map((param) => param.replace(/([A-Za-z_$][\w$]*)(\?)?\s*:\s*([^=]+?)(?=\s*=|$)/, "$1").trim())
diff --git a/editors/vscode/src/extension.bundle.cjs b/editors/vscode/src/extension.bundle.cjs
index e3422bf9..bb600b33 100644
--- a/editors/vscode/src/extension.bundle.cjs
+++ b/editors/vscode/src/extension.bundle.cjs
@@ -1,4 +1,4 @@
-// WRN editor extension source hash: 1f978c42851411e8a985eb6c865b706e52f6063f067c3245946b4f55bc1a7d11
+// WRN editor extension source hash: 28a3937b948e6affb33150753d537162c6702786551dd90ab0968ef9166f21ac
 // WRN editor extension generator hash: 456d1d614e44e5fb1f19b784176c09cf2ade9b64ef73a17934c2698150b62728
 "use strict";
 var __commonJS = (cb, mod) => () => (mod || cb((mod = { exports: {} }).exports, mod), mod.exports);
diff --git a/editors/vscode/src/language-server.cjs b/editors/vscode/src/language-server.cjs
index 1639a3dc..10623de1 100644
--- a/editors/vscode/src/language-server.cjs
+++ b/editors/vscode/src/language-server.cjs
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-// WRN editor language server source hash: 13b4b0b80a52f1e883211f1b5193ad6ab28c582f526f0a28747ebf71307bbc0d
+// WRN editor language server source hash: 41ff6d71dda68160ce6236e7a1a07ee8164c1c6173ba71e392aef4c3bf455390
 // WRN editor language server generator hash: f593a44aaf05495b789ce7a3086bee1eebb951b884d41c0e017bbcfe5f547e72
 // @bun @bun-cjs
 (function(exports, require, module, __filename, __dirname) {var __create = Object.create;
@@ -171456,6 +171456,15 @@ function astDiagnostics(ast, options) {
       interactive = true;
     const tag = node.tag.toLowerCase();
     for (const attribute of node.attrs) {
+      if (attribute.event && (attribute.name === "for" || attribute.name === "key")) {
+        diagnostics.push({
+          code: "WRN-TEMPLATE-LOOP-DIRECTIVE",
+          severity: "error",
+          message: `@${attribute.name} is an event binding, not a loop directive.`,
+          hint: attribute.name === "for" ? 'Use data-for="item in items".' : 'Use data-key="item.id" alongside data-for.',
+          file: options.file
+        });
+      }
       if (attribute.event || attribute.boolean || !urlAttributes.has(attribute.name.toLowerCase()))
         continue;
       if (attribute.value.includes("{"))
@@ -171849,6 +171858,8 @@ function retainedImports(ast) {
   return ast.structuredImports.filter((entry) => {
     if (entry.source.endsWith(".wrn"))
       return false;
+    if (!entry.typeOnly && entry.source === "@wrnexus/ui")
+      return false;
     if (entry.typeOnly)
       return true;
     return !entry.source.startsWith("@/components/") && !entry.source.startsWith("@/layouts/") && !entry.source.startsWith("@/stores/");