Align remaining hosted-agent dependency files with slim package pattern (#580)

Author: Copilot

samples/python/hosted-agents/agent-framework/a2a/01-delegation/caller/requirements.txt

@@ -1,8 +1,5 @@
-# `agent-framework[foundry]` is required because main.py imports
-# `from agent_framework.foundry import FoundryChatClient`. In 1.3+ the
-# foundry submodule is an optional extra; installing the bare package
-# leaves agent_framework.foundry unimportable and the container crashes
-# at startup so /readiness never returns 200 -> 424 session_not_ready.
-agent-framework[foundry]>=1.2.2
+# Use the narrow Foundry subpackages to keep dependencies light.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp<2,>=1.24.0
 httpx

samples/python/hosted-agents/agent-framework/a2a/01-delegation/executor/requirements.txt

@@ -1,2 +1,3 @@
-agent-framework>=1.2.2
+# Use the narrow Foundry subpackages to keep dependencies light.
+agent-framework-foundry
 agent-framework-foundry-hosting

samples/python/hosted-agents/agent-framework/responses/12-foundry-skills/requirements.txt

@@ -3,4 +3,3 @@ agent-framework-foundry
 agent-framework-foundry-hosting
 mcp<2,>=1.24.0
 azure-ai-projects
-mcp>=1.24.0

samples/python/hosted-agents/agent-framework/responses/14-browser-automation-agent/requirements.txt

@@ -3,7 +3,7 @@ agent-framework-foundry>=1.2.2,<1.3
 agent-framework-foundry-hosting>=1.0.0a260429,<1.1
 azure-identity>=1.19.0
 httpx>=0.28.0
-mcp>=1.24.0,<2
+mcp<2,>=1.24.0
 pydantic>=2.0.0
 python-dotenv>=1.0.0
 websockets>=14.0

samples/python/hosted-agents/agent-framework/responses/16-content-safety-guardrail/requirements.txt

@@ -1,2 +1,4 @@
-agent-framework>=1.2.2
-agent-framework-foundry-hosting
+# Use the narrow Foundry subpackages to keep dependencies light.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp<2,>=1.24.0