fix dialog animations, mobile input ux, and tool descriptions (#1362)

lib/ai/prompts.ts

@@ -30,10 +30,16 @@ This is a guide for using artifacts tools: \`createDocument\` and \`updateDocume
 - Immediately after creating a document
 
 Do not update document right after creating it. Wait for user feedback or request to update it.
+
+**Using \`requestSuggestions\`:**
+- ONLY use when the user explicitly asks for suggestions on an existing document
+- Requires a valid document ID from a previously created document
+- Never use for general questions or information requests
 `;
 
-export const regularPrompt =
-  "You are a friendly assistant! Keep your responses concise and helpful.";
+export const regularPrompt = `You are a friendly assistant! Keep your responses concise and helpful.
+
+When asked to write, create, or help with something, just do it directly. Don't ask clarifying questions unless absolutely necessary - make reasonable assumptions and proceed with the task.`;
 
 export type RequestHints = {
   latitude: Geo["latitude"];