Add TooltipProvider to Message component stories

Fixed:
- UserMessage.stories.tsx
- AssistantMessage.stories.tsx

These stories render components with tooltips and need TooltipProvider
in decorators to avoid runtime errors.

Author: kylecarbs

src/components/Messages/AssistantMessage.stories.tsx

@@ -2,6 +2,7 @@ import type { Meta, StoryObj } from "@storybook/react";
 import { AssistantMessage } from "./AssistantMessage";
 import type { DisplayedMessage } from "@/types/message";
 import { action } from "@storybook/addon-actions";
+import { TooltipProvider } from "@/components/ui/tooltip";
 
 // Stable timestamp for visual testing (Apple demo time: Jan 24, 2024, 9:41 AM PST)
 const STABLE_TIMESTAMP = new Date("2024-01-24T09:41:00-08:00").getTime();
@@ -38,6 +39,13 @@ const meta = {
   args: {
     clipboardWriteText,
   },
+  decorators: [
+    (Story) => (
+      <TooltipProvider>
+        <Story />
+      </TooltipProvider>
+    ),
+  ],
 } satisfies Meta<typeof AssistantMessage>;
 
 export default meta;

src/components/Messages/UserMessage.stories.tsx

@@ -2,6 +2,7 @@ import type { Meta, StoryObj } from "@storybook/react";
 import { action } from "@storybook/addon-actions";
 import { UserMessage } from "./UserMessage";
 import type { DisplayedMessage } from "@/types/message";
+import { TooltipProvider } from "@/components/ui/tooltip";
 
 // Stable timestamp for visual testing (Apple demo time: Jan 24, 2024, 9:41 AM PST)
 const STABLE_TIMESTAMP = new Date("2024-01-24T09:41:00-08:00").getTime();
@@ -31,6 +32,13 @@ const meta = {
     onEdit: action("onEdit"),
     clipboardWriteText,
   },
+  decorators: [
+    (Story) => (
+      <TooltipProvider>
+        <Story />
+      </TooltipProvider>
+    ),
+  ],
 } satisfies Meta<typeof UserMessage>;
 
 export default meta;