diff --git a/lint/plugin.js b/lint/plugin.js
index 0bd0a88ac..28019b98d 100644
--- a/lint/plugin.js
+++ b/lint/plugin.js
@@ -182,7 +182,13 @@ function vueTemplateAst(source, filename) {
 }
 
 function isVueSourceFile(file) {
-  return file.endsWith('.vue') && (file.includes('/src/') || file.includes('/packages/vue/src/'))
+  return (
+    file.endsWith('.vue') &&
+    (file.startsWith('src/') ||
+      file.includes('/src/') ||
+      file.startsWith('packages/vue/src/') ||
+      file.includes('/packages/vue/src/'))
+  )
 }
 
 function sourceLineCount(source) {
@@ -272,8 +278,7 @@ const noVueStyleBlocks = {
   },
   create(context) {
     const file = normalizedFilename(context)
-    if (!file.endsWith('.vue')) return {}
-    if (!file.includes('/src/') && !file.includes('/packages/vue/src/')) return {}
+    if (!isVueSourceFile(file)) return {}
 
     return {
       Program(node) {
@@ -297,8 +302,7 @@ const noNativeTitleAttributesInVue = {
   },
   create(context) {
     const file = normalizedFilename(context)
-    if (!file.endsWith('.vue')) return {}
-    if (!file.includes('/src/') && !file.includes('/packages/vue/src/')) return {}
+    if (!isVueSourceFile(file)) return {}
 
     return {
       Program(node) {
@@ -329,8 +333,7 @@ const noHardcodedTipLabelsInVue = {
   },
   create(context) {
     const file = normalizedFilename(context)
-    if (!file.endsWith('.vue')) return {}
-    if (!file.includes('/src/') && !file.includes('/packages/vue/src/')) return {}
+    if (!isVueSourceFile(file)) return {}
 
     return {
       Program(node) {
diff --git a/src/components/properties/ExportScaleInput.vue b/src/components/properties/ExportScaleInput.vue
index 9f648a6fd..c9bf99412 100644
--- a/src/components/properties/ExportScaleInput.vue
+++ b/src/components/properties/ExportScaleInput.vue
@@ -12,6 +12,7 @@ import { vTestId, type TestIdProps } from '@open-pencil/vue'
 
 import { useInputUI } from '@/components/ui/input'
 import { menuItem, useMenuUI } from '@/components/ui/menu'
+import Tip from '@/components/ui/Tip.vue'
 
 interface ExportScaleInputProps extends TestIdProps {
   presets: readonly number[]
@@ -35,7 +36,10 @@ const text = ref('')
 // Keep the editable text in sync with the committed scale (e.g. 1.5 -> "1.5x").
 watch(modelValue, (value) => (text.value = `${value}x`), { immediate: true })
 
-const inputClass = useInputUI({ size: 'sm', ui: { base: 'min-w-0 flex-1' } }).base
+const inputClass = useInputUI({
+  size: 'sm',
+  ui: { base: 'min-w-0 flex-1 rounded-none border-0 bg-transparent focus:border-transparent' }
+}).base
 const menuCls = useMenuUI({ content: 'min-w-[7rem]' })
 const itemCls = menuItem({ justify: 'between' })
 
@@ -58,46 +62,50 @@ function isActive(scale: number) {
 </script>
 
 <template>
-  <div class="flex min-w-0 flex-1 items-center gap-1">
-    <input
-      ref="inputRef"
-      v-model="text"
-      v-test-id="testId"
-      type="text"
-      :title="label"
-      :class="inputClass"
-      autocomplete="off"
-      autocorrect="off"
-      autocapitalize="off"
-      spellcheck="false"
-      @focus="inputRef?.select()"
-      @blur="commit"
-      @keydown.enter.prevent="inputRef?.blur()"
-      @keydown.escape.prevent="((text = `${modelValue}x`), inputRef?.blur())"
-    />
-    <DropdownMenuRoot v-model:open="open">
-      <DropdownMenuTrigger as-child>
-        <button
-          type="button"
-          :title="label"
-          class="flex shrink-0 cursor-pointer items-center rounded border border-border bg-input px-1 py-1 text-surface hover:bg-hover"
-        >
-          <icon-lucide-chevron-down class="size-3 text-muted" />
-        </button>
-      </DropdownMenuTrigger>
-      <DropdownMenuPortal>
-        <DropdownMenuContent side="bottom" align="end" :side-offset="4" :class="menuCls.content">
-          <DropdownMenuItem
-            v-for="scale in presets"
-            :key="scale"
-            :class="itemCls"
-            @select="pick(scale)"
+  <Tip :label="label" :disabled="!label">
+    <div
+      class="flex min-w-0 flex-1 overflow-hidden rounded border border-border bg-input focus-within:border-accent"
+    >
+      <input
+        ref="inputRef"
+        v-model="text"
+        v-test-id="testId"
+        type="text"
+        :aria-label="label"
+        :class="inputClass"
+        autocomplete="off"
+        autocorrect="off"
+        autocapitalize="off"
+        spellcheck="false"
+        @focus="inputRef?.select()"
+        @blur="commit"
+        @keydown.enter.prevent="inputRef?.blur()"
+        @keydown.escape.prevent="((text = `${modelValue}x`), inputRef?.blur())"
+      />
+      <DropdownMenuRoot v-model:open="open">
+        <DropdownMenuTrigger as-child>
+          <button
+            type="button"
+            :aria-label="label"
+            class="flex shrink-0 cursor-pointer items-center border-l border-border px-1.5 text-surface hover:bg-hover"
           >
-            <span>{{ scale }}x</span>
-            <icon-lucide-check v-if="isActive(scale)" class="size-3 text-accent" />
-          </DropdownMenuItem>
-        </DropdownMenuContent>
-      </DropdownMenuPortal>
-    </DropdownMenuRoot>
-  </div>
+            <icon-lucide-chevron-down class="size-3 text-muted" />
+          </button>
+        </DropdownMenuTrigger>
+        <DropdownMenuPortal>
+          <DropdownMenuContent side="bottom" align="end" :side-offset="4" :class="menuCls.content">
+            <DropdownMenuItem
+              v-for="scale in presets"
+              :key="scale"
+              :class="itemCls"
+              @select="pick(scale)"
+            >
+              <span>{{ scale }}x</span>
+              <icon-lucide-check v-if="isActive(scale)" class="size-3 text-accent" />
+            </DropdownMenuItem>
+          </DropdownMenuContent>
+        </DropdownMenuPortal>
+      </DropdownMenuRoot>
+    </div>
+  </Tip>
 </template>
diff --git a/src/components/ui/AppSelect.vue b/src/components/ui/AppSelect.vue
index 133417dfb..0ab42df30 100644
--- a/src/components/ui/AppSelect.vue
+++ b/src/components/ui/AppSelect.vue
@@ -49,7 +49,7 @@ const indicator = ui?.indicator ?? 'absolute left-1.5 inline-flex items-center j
 
 <template>
   <SelectRoot v-model="modelValue">
-    <SelectTrigger v-test-id="testId" :class="select.trigger" :aria-label="label" :title="label">
+    <SelectTrigger v-test-id="testId" :class="select.trigger" :aria-label="label">
       <SelectValue :placeholder="placeholder" />
       <icon-lucide-chevron-down class="ml-1 size-3 shrink-0 text-muted" />
     </SelectTrigger>
diff --git a/steiger.config.ts b/steiger.config.ts
index 2f7b12ce8..5b2ead48b 100644
--- a/steiger.config.ts
+++ b/steiger.config.ts
@@ -38,6 +38,7 @@ export default defineConfig([
       'open-pencil/no-non-ui-imports-in-shared-ui': 'error',
       'open-pencil/no-app-imports-in-shared-ui': 'error',
       'open-pencil/no-property-panel-internals-outside-panel': 'error',
+      'open-pencil/no-native-title-attributes-in-vue': 'error',
       'open-pencil/no-ui-imports-in-core': 'error',
       'open-pencil/scripts-are-entrypoint-shims': 'error',
       'open-pencil/strict-tools-layout': 'error'
diff --git a/tools/architecture/src/steiger-rules/index.ts b/tools/architecture/src/steiger-rules/index.ts
index e519d0582..9b0f03f44 100644
--- a/tools/architecture/src/steiger-rules/index.ts
+++ b/tools/architecture/src/steiger-rules/index.ts
@@ -1,5 +1,7 @@
 import path from 'node:path'
 
+import { parse as parseVueSfc } from 'vue/compiler-sfc'
+
 import {
   collectFolders,
   createFileRule,
@@ -360,6 +362,57 @@ const noHardcodedMacOSShortcutGlyphs = createTextRule(
   }
 )
 
+const VUE_ATTRIBUTE_NODE = 6
+const VUE_DIRECTIVE_NODE = 7
+
+type VueTemplateNode = {
+  type?: number
+  name?: string
+  arg?: { content?: string }
+  props?: VueTemplateNode[]
+  children?: VueTemplateNode[]
+  loc?: { start?: { line?: number; column?: number } }
+}
+
+function walkVueTemplateAst(node: VueTemplateNode, visitor: (node: VueTemplateNode) => void) {
+  visitor(node)
+  for (const prop of node.props ?? []) walkVueTemplateAst(prop, visitor)
+  for (const child of node.children ?? []) walkVueTemplateAst(child, visitor)
+}
+
+function vuePropName(prop: VueTemplateNode) {
+  if (prop.type === VUE_ATTRIBUTE_NODE) return prop.name ?? null
+  if (prop.type === VUE_DIRECTIVE_NODE && prop.name === 'bind') return prop.arg?.content ?? null
+  return null
+}
+
+const noNativeTitleAttributesInVue = createTextRule(
+  'open-pencil/no-native-title-attributes-in-vue',
+  (sourceRel, content) => {
+    if (
+      !sourceRel.endsWith('.vue') ||
+      (!sourceRel.startsWith('src/') && !sourceRel.startsWith('packages/vue/src/'))
+    ) {
+      return []
+    }
+
+    const template = parseVueSfc(content, { filename: sourceRel }).descriptor.template?.ast
+    if (!template) return []
+
+    const diagnostics: Array<{ message: string; line?: number; column?: number }> = []
+    walkVueTemplateAst(template as VueTemplateNode, (node) => {
+      if (vuePropName(node) !== 'title') return
+      const loc = node.loc?.start
+      diagnostics.push({
+        message: 'Use Tip/Reka tooltip patterns instead of native title attributes.',
+        line: loc?.line,
+        column: loc?.column
+      })
+    })
+    return diagnostics
+  }
+)
+
 const SHORTCUT_LABEL_PATTERN = /(?:Shift|Ctrl|Alt|Option|Cmd|Command|⌘|⇧|⌥|⌃)\s*[+)\w]/u
 
 const noShortcutTextInLabels = createTextRule(
@@ -429,6 +482,7 @@ export const openPencilArchitecturePlugin = {
     noNonUiImportsInSharedUi,
     noAppImportsInSharedUi,
     noPropertyPanelInternalsOutsidePanel,
+    noNativeTitleAttributesInVue,
     noShortcutTextInLabels,
     noHardcodedMacOSShortcutGlyphs,
     noUiImportsInCore