fix(workflows/examples): use code block titles for clarity

Author: goosewin

fern/workflows/examples/appointment-scheduling.mdx

@@ -88,13 +88,11 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
   <Step title="Configure the Initial Conversation Node">
     The default template includes a conversation node. Click on it and configure:
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Hello! Thank you for calling Tony's Barbershop. This is Sarah, your booking assistant. I can help you schedule, reschedule, or cancel appointments. How can I help you today?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are Sarah, the friendly booking assistant for Tony's Barbershop. 
 
     Listen to the customer's response and determine their intent:
@@ -117,18 +115,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
   <Step title="Add Customer Verification Node">
     Click the + button below the greeting node and add a new **Conversation** node:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Intent identified
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Now I need to verify your information. Can you please provide your phone number or full name so I can look up your account?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are collecting customer identification information to look them up in the system.
 
     If they provide a phone number, extract it in a clean format (numbers only).
@@ -149,8 +144,7 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
   <Step title="Add Customer Lookup Tool Node">
     Add a **Tool** node:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer information collected
     ```
 
@@ -162,18 +156,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Schedule New Appointment Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer verified and intent is schedule
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Great! I can help you schedule a new appointment. What type of service would you like? We offer haircuts, beard trims, shampoo and styling, and full grooming packages.
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are helping the customer schedule a new appointment.
 
     Listen for the service they want and any preferred dates/times they mention.
@@ -183,18 +174,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Reschedule Appointment Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer verified and intent is reschedule
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     I can help you reschedule your appointment. Let me first look up your current booking details.
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are helping the customer reschedule an existing appointment.
 
     Be understanding and accommodating. Look up their current appointment first.
@@ -203,18 +191,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Cancel Appointment Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer verified and intent is cancel
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     I can help you cancel your appointment. Let me look up your current booking to confirm the details.
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are helping the customer cancel their appointment.
 
     Be understanding and offer to reschedule instead if appropriate.
@@ -227,18 +212,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Enable Global Node**: Toggle this on to make the node available from any point in the conversation
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer confused or error detected
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     I apologize for any confusion. Let me transfer you to one of our human staff members who can better assist you. Please hold for just a moment.
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are handling an error or confused customer situation.
 
     Be apologetic and professional. Prepare them for transfer to human staff.
@@ -253,18 +235,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Service Selection Node** (Conversation):
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Service type mentioned or requested
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Perfect! And when would you prefer to come in? What date and time work best for you?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are collecting appointment preferences for scheduling.
 
     Listen for specific dates, times, or general preferences like "morning" or "next week".
@@ -286,8 +265,7 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Availability Check Tool Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Preferences collected
     ```
 
@@ -296,18 +274,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Availability Results Node** (Conversation):
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Availability checked
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Based on your preferences, here are the available time slots. Which one works best for you?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are presenting available appointment times to the customer.
 
     Present 2-3 options clearly with dates and times.
@@ -319,18 +294,15 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
   <Step title="Add Confirmation and Booking Flow">
     **Booking Confirmation Node** (Conversation):
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Time slot selected
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Perfect! Let me confirm your appointment details: [service] on [date] at [time]. Is this correct?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are confirming appointment details before booking.
 
     Read back the service type, date, and time clearly.
@@ -345,8 +317,7 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Create Appointment Tool Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Appointment details confirmed
     ```
 
@@ -355,27 +326,23 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **Send Confirmation Node** (Tool):
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Appointment created successfully
     ```
 
     **Select Tool**: Choose your pre-configured SMS/email confirmation tool
 
     **Completion Node** (Conversation):
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Confirmation sent
     ```
 
-    **First Message**:
-    ```txt
+    ```txt title="First Message"
     Great! Your appointment is confirmed. You'll receive a confirmation message shortly. Is there anything else I can help you with today?
     ```
 
-    **Prompt**:
-    ```txt
+    ```txt title="Prompt"
     You are wrapping up a successful appointment booking.
 
     Be friendly and offer additional assistance.
@@ -387,8 +354,7 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
   <Step title="Add Transfer and Hangup Options">
     **Transfer to Human Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer requests human assistance
     ```
 
@@ -397,8 +363,7 @@ You'll start with a default template that includes a "Call Start" node. We'll mo
 
     **End Call Node**:
 
-    **Condition**:
-    ```txt
+    ```txt title="Condition"
     Customer satisfied and no further assistance needed
     ```