Update Observability AI Assistant screenshots (#4531)

docs/en/observability/observability-ai-assistant.asciidoc

@@ -7,7 +7,7 @@ The AI Assistant uses generative AI to provide:
 * *Chat* —  have conversations with the AI Assistant. Chat uses function calling to request, analyze, and visualize your data.
 
 [role="screenshot"]
-image::images/obs-assistant2.gif[Observability AI assistant preview]
+image::images/obs-assistant2.gif[Observability AI assistant preview, 60%]
 
 The AI Assistant integrates with your large language model (LLM) provider through our supported Elastic connectors:
 
@@ -207,7 +207,7 @@ Your feedback helps us improve the AI Assistant!
 [[obs-ai-chat]]
 === Chat with the assistant
 
-Select the *AI Assistant* icon (image:images/icons/ai-assistant.svg[AI Assistant icon]) at the upper-right corner of any {observability} application to start the chat:
+Select the *AI Assistant* icon (image:images/ai-assistant-icon.png[AI Assistant icon]) at the upper-right corner of any {observability} application to start the chat.
 
 This opens the AI Assistant flyout, where you can ask the assistant questions about your instance:
 
@@ -264,12 +264,12 @@ AI Assistant contextual prompts throughout {observability} provide the following
 For example, in the log details, you'll see prompts for *What's this message?* and *How do I find similar log messages?*:
 
 [role="screenshot"]
-image::images/obs-ai-logs-prompts.png[]
+image::images/obs-ai-logs-prompts.png[Observability AI assistant logs prompts, 60%]
 
 Clicking a prompt generates a message specific to that log entry:
 
 [role="screenshot"]
-image::images/obs-ai-logs.gif[Observability AI assistant example, 75%]
+image::images/obs-ai-logs.gif[Observability AI assistant example, 60%]
 
 Continue a conversation from a contextual prompt by clicking *Start chat* to open the AI Assistant chat.
 
@@ -339,7 +339,7 @@ You can access the AI Assistant Settings page:
 The AI Assistant Settings page contains the following tabs:
 
 * *Settings*: Configures the main AI Assistant settings, which are explained directly within the interface.
-* *Knowledge base*: Manages <<obs-ai-kb-ui,knowledge base entries>>. 
+* *Knowledge base*: Manages <<obs-ai-kb-ui,knowledge base entries>>.
 * *Search Connectors*: Provides a link to {kib} *Search* -> *Content* -> *Connectors* UI for connectors configuration.
 [discrete]
 [[obs-ai-known-issues]]

docs/en/serverless/ai-assistant/ai-assistant.asciidoc

@@ -11,7 +11,7 @@ The AI Assistant uses generative AI to provide:
 * **Contextual insights**: Open prompts throughout {obs-serverless} that explain errors and messages and suggest remediation.
 
 [role="screenshot"]
-image::images/ai-assistant-overview.gif[Observability AI assistant preview]
+image::images/ai-assistant-overview.gif[Observability AI assistant preview, 60%]
 
 The AI Assistant integrates with your large language model (LLM) provider through our supported Elastic connectors:
 
@@ -188,15 +188,12 @@ Your feedback helps us improve the AI Assistant!
 [[observability-ai-assistant-chat-with-the-assistant]]
 === Chat with the assistant
 
-Click **AI Assistant** in the upper-right corner where available to start the chat:
-
-[role="screenshot"]
-image::images/ai-assistant-button.png[Observability AI assistant preview]
+Click the AI Assistant button (image:images/ai-assistant-button.png[AI Assistant icon]) in the upper-right corner where available to start the chat.
 
 This opens the AI Assistant flyout, where you can ask the assistant questions about your instance:
 
 [role="screenshot"]
-image::images/ai-assistant-chat.png[Observability AI assistant chat]
+image::images/ai-assistant-chat.png[Observability AI assistant chat, 60%]
 
 [IMPORTANT]
 ====
@@ -277,13 +274,13 @@ AI Assistant contextual prompts throughout {obs-serverless} provide the followin
 For example, in the log details, you'll see prompts for **What's this message?** and **How do I find similar log messages?**:
 
 [role="screenshot"]
-image::images/ai-assistant-logs-prompts.png[Observability AI assistant example prompts for logs]
+image::images/ai-assistant-logs-prompts.png[Observability AI assistant example prompts for logs, 60%]
 
 Clicking a prompt generates a message specific to that log entry.
 You can continue a conversation from a contextual prompt by clicking **Start chat** to open the AI Assistant chat.
 
 [role="screenshot"]
-image::images/ai-assistant-logs.png[Observability AI assistant example]
+image::images/ai-assistant-logs.png[Observability AI assistant example, 60%]
 
 [discrete]
 [[observability-ai-assistant-add-the-ai-assistant-connector-to-alerting-workflows]]