Add grok4_intelligent_agents with 5 agent scripts

Author: devops-vestradata

examples/python/tools/exa-tool/grok4_intelligent_agents/grok_customer_support_chatbot.py

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+from praisonaiagents import Agent
+
+agent = Agent(
+    instructions="You are a customer support AI agent for TechGadgets.com, an online electronics store. Answer customer queries helpfully.",
+    llm="xai/grok-4"
+)
+
+response = agent.start("How to return an item?")

examples/python/tools/exa-tool/grok4_intelligent_agents/grok_lead_generation_assistant.py

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+from praisonaiagents import Agent
+
+agent = Agent(
+    instructions="You are a lead generation AI agent for RealEstatePro.com. Help identify and qualify potential real estate leads.",
+    llm="xai/grok-4"
+)
+
+response = agent.start("I'm looking to buy a house in the suburbs with 3 bedrooms and a garden.")

examples/python/tools/exa-tool/grok4_intelligent_agents/grok_meeting_productivity_agent.py

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+from praisonaiagents import Agent
+
+agent = Agent(
+    instructions="You are a meeting productivity AI agent. Help optimize meeting efficiency and follow-up actions.",
+    llm="xai/grok-4"
+)
+
+response = agent.start("I have a team meeting tomorrow. How can I make it more productive?")

examples/python/tools/exa-tool/grok4_intelligent_agents/grok_mental_wellbeing_advisor.py

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+from praisonaiagents import Agent
+
+agent = Agent(
+    instructions="You are a mental wellbeing AI advisor. Provide supportive guidance and wellness tips.",
+    llm="xai/grok-4"
+)
+
+response = agent.start("I've been feeling stressed at work lately. Any tips for managing stress?")

examples/python/tools/exa-tool/grok4_intelligent_agents/grok_multimodal_reasoning_agent.py

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+from praisonaiagents import Agent
+
+agent = Agent(
+    instructions="You are a multimodal reasoning AI agent. Analyze images and text to provide comprehensive insights.",
+    llm="xai/grok-4"
+)
+
+response = agent.start("Can you help me analyze a chart showing sales data for Q1 2024?")