feat: support Python 3.15 (#173)

Author: daeho-ro

examples/echo_agent.py

@@ -1,5 +1,5 @@
 # /// script
-# requires-python = ">=3.10,<3.15"
+# requires-python = ">=3.10,<3.16"
 # dependencies = [
 #     "agent-client-protocol",
 # ]

examples/http_client.py

@@ -1,5 +1,5 @@
 # /// script
-# requires-python = ">=3.10,<3.15"
+# requires-python = ">=3.10,<3.16"
 # dependencies = [
 #     "agent-client-protocol[http]",
 # ]

examples/http_server.py

@@ -1,5 +1,5 @@
 # /// script
-# requires-python = ">=3.10,<3.15"
+# requires-python = ">=3.10,<3.16"
 # dependencies = [
 #     "agent-client-protocol[http]",
 #     "hypercorn>=0.17",

examples/ws_client.py

@@ -1,5 +1,5 @@
 # /// script
-# requires-python = ">=3.10,<3.15"
+# requires-python = ">=3.10,<3.16"
 # dependencies = [
 #     "agent-client-protocol[http]",
 # ]

pyproject.toml

@@ -8,7 +8,7 @@ authors = [
 ]
 readme = "README.md"
 keywords = ['python']
-requires-python = ">=3.10,<3.15"
+requires-python = ">=3.10,<3.16"
 classifiers = [
     "Intended Audience :: Developers",
     "Programming Language :: Python",
@@ -18,6 +18,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 dependencies = [