From 80ff87cde91eedd2169bd3b3e563545291928cbd Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Wed, 9 Jul 2025 02:27:50 +0000
Subject: [PATCH 1/4] chore(internal): bump pinned h11 dep

---
 requirements-dev.lock | 4 ++--
 requirements.lock     | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/requirements-dev.lock b/requirements-dev.lock
index dd8651b91..de857a2d6 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -48,9 +48,9 @@ filelock==3.12.4
 frozenlist==1.6.2
     # via aiohttp
     # via aiosignal
-h11==0.14.0
+h11==0.16.0
     # via httpcore
-httpcore==1.0.2
+httpcore==1.0.9
     # via httpx
 httpx==0.28.1
     # via httpx-aiohttp
diff --git a/requirements.lock b/requirements.lock
index dba28a94b..d96106522 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -36,9 +36,9 @@ exceptiongroup==1.2.2
 frozenlist==1.6.2
     # via aiohttp
     # via aiosignal
-h11==0.14.0
+h11==0.16.0
     # via httpcore
-httpcore==1.0.2
+httpcore==1.0.9
     # via httpx
 httpx==0.28.1
     # via httpx-aiohttp

From 70438649e40206746ea1543fc6c29b3c9fb47bd3 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Wed, 9 Jul 2025 02:46:49 +0000
Subject: [PATCH 2/4] chore(package): mark python 3.13 as supported

---
 pyproject.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pyproject.toml b/pyproject.toml
index 726f5bc45..95ed5aa1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Operating System :: OS Independent",
   "Operating System :: POSIX",
   "Operating System :: MacOS",

From 3312be9e751dd58396884644be4ceabbaba11014 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 10 Jul 2025 02:42:55 +0000
Subject: [PATCH 3/4] fix(parsing): correctly handle nested discriminated
 unions

---
 src/runloop_api_client/_models.py | 13 +++++----
 tests/test_models.py              | 45 +++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 5 deletions(-)

diff --git a/src/runloop_api_client/_models.py b/src/runloop_api_client/_models.py
index 4f2149805..528d56803 100644
--- a/src/runloop_api_client/_models.py
+++ b/src/runloop_api_client/_models.py
@@ -2,9 +2,10 @@
 
 import os
 import inspect
-from typing import TYPE_CHECKING, Any, Type, Union, Generic, TypeVar, Callable, cast
+from typing import TYPE_CHECKING, Any, Type, Union, Generic, TypeVar, Callable, Optional, cast
 from datetime import date, datetime
 from typing_extensions import (
+    List,
     Unpack,
     Literal,
     ClassVar,
@@ -366,7 +367,7 @@ def _construct_field(value: object, field: FieldInfo, key: str) -> object:
     if type_ is None:
         raise RuntimeError(f"Unexpected field type is None for {key}")
 
-    return construct_type(value=value, type_=type_)
+    return construct_type(value=value, type_=type_, metadata=getattr(field, "metadata", None))
 
 
 def is_basemodel(type_: type) -> bool:
@@ -420,7 +421,7 @@ def construct_type_unchecked(*, value: object, type_: type[_T]) -> _T:
     return cast(_T, construct_type(value=value, type_=type_))
 
 
-def construct_type(*, value: object, type_: object) -> object:
+def construct_type(*, value: object, type_: object, metadata: Optional[List[Any]] = None) -> object:
     """Loose coercion to the expected type with construction of nested values.
 
     If the given value does not match the expected type then it is returned as-is.
@@ -438,8 +439,10 @@ def construct_type(*, value: object, type_: object) -> object:
         type_ = type_.__value__  # type: ignore[unreachable]
 
     # unwrap `Annotated[T, ...]` -> `T`
-    if is_annotated_type(type_):
-        meta: tuple[Any, ...] = get_args(type_)[1:]
+    if metadata is not None:
+        meta: tuple[Any, ...] = tuple(metadata)
+    elif is_annotated_type(type_):
+        meta = get_args(type_)[1:]
         type_ = extract_type_arg(type_, 0)
     else:
         meta = tuple()
diff --git a/tests/test_models.py b/tests/test_models.py
index e47644414..519462f8b 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -889,3 +889,48 @@ class ModelB(BaseModel):
     )
 
     assert isinstance(m, ModelB)
+
+
+def test_nested_discriminated_union() -> None:
+    class InnerType1(BaseModel):
+        type: Literal["type_1"]
+
+    class InnerModel(BaseModel):
+        inner_value: str
+
+    class InnerType2(BaseModel):
+        type: Literal["type_2"]
+        some_inner_model: InnerModel
+
+    class Type1(BaseModel):
+        base_type: Literal["base_type_1"]
+        value: Annotated[
+            Union[
+                InnerType1,
+                InnerType2,
+            ],
+            PropertyInfo(discriminator="type"),
+        ]
+
+    class Type2(BaseModel):
+        base_type: Literal["base_type_2"]
+
+    T = Annotated[
+        Union[
+            Type1,
+            Type2,
+        ],
+        PropertyInfo(discriminator="base_type"),
+    ]
+
+    model = construct_type(
+        type_=T,
+        value={
+            "base_type": "base_type_1",
+            "value": {
+                "type": "type_2",
+            },
+        },
+    )
+    assert isinstance(model, Type1)
+    assert isinstance(model.value, InnerType2)

From 711e936f7b298d979b713a353109a77ba41111d8 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Thu, 10 Jul 2025 22:45:23 +0000
Subject: [PATCH 4/4] release: 0.48.1

---
 .release-please-manifest.json      |  2 +-
 CHANGELOG.md                       | 14 ++++++++++++++
 pyproject.toml                     |  2 +-
 src/runloop_api_client/_version.py |  2 +-
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ff6612050..f17937927 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.48.0"
+  ".": "0.48.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ff8af374..9e77e3cf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.48.1 (2025-07-10)
+
+Full Changelog: [v0.48.0...v0.48.1](https://github.com/runloopai/api-client-python/compare/v0.48.0...v0.48.1)
+
+### Bug Fixes
+
+* **parsing:** correctly handle nested discriminated unions ([3312be9](https://github.com/runloopai/api-client-python/commit/3312be9e751dd58396884644be4ceabbaba11014))
+
+
+### Chores
+
+* **internal:** bump pinned h11 dep ([80ff87c](https://github.com/runloopai/api-client-python/commit/80ff87cde91eedd2169bd3b3e563545291928cbd))
+* **package:** mark python 3.13 as supported ([7043864](https://github.com/runloopai/api-client-python/commit/70438649e40206746ea1543fc6c29b3c9fb47bd3))
+
 ## 0.48.0 (2025-07-09)
 
 Full Changelog: [v0.47.1...v0.48.0](https://github.com/runloopai/api-client-python/compare/v0.47.1...v0.48.0)
diff --git a/pyproject.toml b/pyproject.toml
index 95ed5aa1f..aa61bc0bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "runloop_api_client"
-version = "0.48.0"
+version = "0.48.1"
 description = "The official Python library for the runloop API"
 dynamic = ["readme"]
 license = "MIT"
diff --git a/src/runloop_api_client/_version.py b/src/runloop_api_client/_version.py
index 24cb51bc3..ccf01e547 100644
--- a/src/runloop_api_client/_version.py
+++ b/src/runloop_api_client/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "runloop_api_client"
-__version__ = "0.48.0"  # x-release-please-version
+__version__ = "0.48.1"  # x-release-please-version