fix: update AgentCard name and description for Google Cloud Marketplace

Add agent_display_name setting to separate the human-readable AgentCard
name from the internal ADK agent identifier, and update the agent
description to better reflect the A2A and MCP capabilities.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: luis5tb

src/lightspeed_agent/api/a2a/agent_card.py

@@ -163,7 +163,7 @@ def build_agent_card() -> AgentCard:
     skills = _build_skills()
 
     agent_card = AgentCard(
-        name=settings.agent_name,
+        name=settings.agent_display_name,
         description=settings.agent_description,
         version="0.1.0",
         url=f"{settings.agent_provider_url}/",

src/lightspeed_agent/config/settings.py

@@ -84,12 +84,18 @@ class Settings(BaseSettings):
         default="lightspeed_agent",
         description="Agent name (must be a valid Python identifier)",
     )
+    agent_display_name: str = Field(
+        default="Red Hat Lightspeed Agent for Google Cloud",
+        description="Human-readable agent name for the AgentCard",
+    )
     agent_description: str = Field(
         default=(
-            "Red Hat Lightspeed Agent for Google Cloud. "
-            "This agent uses AI technology to provide information about "
-            "Red Hat accounts, subscriptions, and system configurations. "
-            "Always review AI-generated content prior to use."
+            "Red Hat Lightspeed Agent for Google Cloud is an A2A-ready Agent "
+            "that leverages Red Hat Lightspeed Model Context Protocol (MCP) to "
+            "connect to Red Hat Lightspeed services, providing information about "
+            "your Red Hat account, subscription, system configuration, and "
+            "related details. This feature uses AI technology. Always review "
+            "AI-generated content prior to use."
         ),
         description="Agent description",
     )