feat: add shared fund quote capability

tests/contract/test_fund_quote_tool_contract.py

@@ -0,0 +1,10 @@
+from app.service.agent.bootstrap import get_agent_factory
+
+
+def test_public_fund_quote_tool_is_registered_as_read_only() -> None:
+    factory = get_agent_factory()
+    tool = factory._tool_executor.registry.get("query_fund_quote")
+    assert tool.read_only is True
+    assert tool.required_permission == "fund:quote:read"
+    assert "advisor" in tool.allowed_roles
+    assert "risk_operator" in tool.allowed_roles