Add warning for Web Search tool usage (#45270)

* Add warning for Web Search tool usage

Added warning about costs and terms for Web Search tool usage.

* Include warning for Bing Custom Search tool usage

Added a warning about costs and data flow for Bing Custom Search.

* Add warning for Bing Search tool grounding

Added warning about costs and terms for Bing Search tool usage.

* Add warning for Web Search usage and compliance

Added a warning about costs and data flow for Web Search.

* Include warning for Web Search tool usage

Added warning about costs and compliance for Web Search.

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Refactor warning message in sample_agent_bing_custom_search.py

Updated warning message formatting and links for clarity.

* Update warning message in sample_agent_bing_grounding.py

Reformatted warning message for clarity and added links.

* Improve formatting of Web Search warning message

Reformatted warning message for clarity and readability.

* Improve formatting of Web Search warning message

Reformatted warning message for clarity and readability.

* Update README.md

* Fix Bing tools documentation link

Updated the Bing tools documentation link to remove the version view parameter.

* Update Bing tools documentation link

* Fix web search documentation link

Updated the web search documentation link to the correct format.

* Fix documentation link in sample_agent_web_search_preview.py

Updated the URL for the web search documentation.

* Update warnings for Web Search and Bing tools

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: lindazqli

sdk/ai/azure-ai-projects/README.md

@@ -312,6 +312,9 @@ See the full sample in file `\agents\tools\sample_agent_image_generation.py` in
 
 Discover up-to-date web content with the GA Web Search tool or try the Web Search Preview tool for the latest enhancements. Guidance on when to use each option is in the documentation: https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/web-overview?view=foundry#determine-the-best-tool-for-your-use-cases.
 
+Warning:
+Web Search tool uses Grounding with Bing, which has additional costs and terms: [terms of use](https://www.microsoft.com/bing/apis/grounding-legal-enterprise) and [privacy statement](https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409). Customer data will flow outside the Azure compliance boundary. Learn more [here](https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/web-search).
+
 <!-- SNIPPET:sample_agent_web_search.tool_declaration -->
 
 ```python
@@ -535,6 +538,8 @@ See the full sample in file `\agents\tools\sample_agent_ai_search.py` in the [Sa
 
 **Bing Grounding**
 
+Warning: Grounding with Bing Search tool uses Grounding with Bing, which has additional costs and terms: [terms of use](https://www.microsoft.com/bing/apis/grounding-legal-enterprise) and [privacy statement](https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409). Customer data will flow outside the Azure compliance boundary. Learn more [here](https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/bing-tools).
+
 Ground agent responses with real-time web search results from Bing to provide up-to-date information:
 
 <!-- SNIPPET:sample_agent_bing_grounding.tool_declaration -->
@@ -554,6 +559,7 @@ tool = BingGroundingTool(
 See the full sample in file `\agents\tools\sample_agent_bing_grounding.py` in the [Samples][samples] folder.
 
 **Bing Custom Search**
+Warning: Grounding with Bing Custom Search tool uses Grounding with Bing, which has additional costs and terms: [terms of use](https://www.microsoft.com/bing/apis/grounding-legal-enterprise) and [privacy statement](https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409). Customer data will flow outside the Azure compliance boundary. Learn more [here](https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/web-search).
 
 Use custom-configured Bing search instances for domain-specific or filtered web search results:
 

sdk/ai/azure-ai-projects/samples/agents/tools/sample_agent_bing_custom_search.py

@@ -4,6 +4,16 @@
 # ------------------------------------
 
 """
+WARNING:
+Grounding with Bing Custom Search tool uses Grounding with Bing, which has additional costs and terms.
+    Terms of use:
+        https://www.microsoft.com/bing/apis/grounding-legal-enterprise
+    Privacy statement:
+        https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409
+    Customer data will flow outside the Azure compliance boundary.
+    Learn more:
+        https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/bing-tools
+        
 DESCRIPTION:
     This sample demonstrates how to create an AI agent with Bing Custom Search capabilities
     using the BingCustomSearchPreviewTool and synchronous Azure AI Projects client. The agent can search

sdk/ai/azure-ai-projects/samples/agents/tools/sample_agent_bing_grounding.py

@@ -5,6 +5,16 @@
 # ------------------------------------
 
 """
+WARNING:
+Grounding with Bing Search tool uses Grounding with Bing, which has additional costs and terms.
+    Terms of use:
+        https://www.microsoft.com/bing/apis/grounding-legal-enterprise
+    Privacy statement:
+        https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409
+    Customer data will flow outside the Azure compliance boundary.
+    Learn more:
+        https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/bing-tools
+        
 DESCRIPTION:
     This sample demonstrates how to create an AI agent with Bing grounding capabilities
     using the BingGroundingTool and synchronous Azure AI Projects client. The agent can search

sdk/ai/azure-ai-projects/samples/agents/tools/sample_agent_web_search.py

@@ -4,6 +4,16 @@
 # ------------------------------------
 
 """
+WARNING:
+    Web Search uses Grounding with Bing, which has additional costs and terms.
+    Terms of use:
+        https://www.microsoft.com/bing/apis/grounding-legal-enterprise
+    Privacy statement:
+        https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409
+    Customer data will flow outside the Azure compliance boundary.
+    Learn more:
+        https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/web-search
+
 DESCRIPTION:
     This sample demonstrates how to run Prompt Agent operations
     using the Web Search Tool and a synchronous client.

sdk/ai/azure-ai-projects/samples/agents/tools/sample_agent_web_search_preview.py

@@ -4,6 +4,16 @@
 # ------------------------------------
 
 """
+WARNING:
+    Web Search uses Grounding with Bing, which has additional costs and terms.
+    Terms of use:
+        https://www.microsoft.com/bing/apis/grounding-legal-enterprise
+    Privacy statement:
+        https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409
+    Customer data will flow outside the Azure compliance boundary.
+    Learn more:
+        https://learn.microsoft.com/azure/ai-foundry/agents/how-to/tools/web-search
+        
 DESCRIPTION:
     This sample demonstrates how to run Prompt Agent operations
     using the Web Search Preview Tool and a synchronous client.

sdk/ai/azure-ai-projects/samples/agents/tools/sample_agent_web_search_with_custom_search.py

@@ -4,6 +4,16 @@
 # ------------------------------------
 
 """
+WARNING:
+    Web Search uses Grounding with Bing, which has additional costs and terms.
+    Terms of use:
+        https://www.microsoft.com/bing/apis/grounding-legal-enterprise
+    Privacy statement:
+        https://go.microsoft.com/fwlink/?LinkId=521839&clcid=0x409
+    Customer data will flow outside the Azure compliance boundary.
+    Learn more:
+        https://learn.microsoft.com/en-us/azure/ai-foundry/agents/how-to/tools/web-search?view=foundry
+        
 DESCRIPTION:
     Demonstrates Prompt Agent operations that use the Web Search Tool configured
     with a Bing Custom Search connection. The agent runs synchronously and