chore: import upstream snapshot with attribution

examples/research_bot/agents/search_agent.py

@@ -0,0 +1,17 @@
+from agents import Agent, WebSearchTool
+
+INSTRUCTIONS = (
+    "You are a research assistant. Given a search term, you search the web for that term and "
+    "produce a concise summary of the results. The summary must be 2-3 paragraphs and less than 300 "
+    "words. Capture the main points. Write succinctly, no need to have complete sentences or good "
+    "grammar. This will be consumed by someone synthesizing a report, so its vital you capture the "
+    "essence and ignore any fluff. Do not include any additional commentary other than the summary "
+    "itself."
+)
+
+search_agent = Agent(
+    name="Search agent",
+    model="gpt-5.6-sol",
+    instructions=INSTRUCTIONS,
+    tools=[WebSearchTool()],
+)