diff --git a/Dockerfile b/Dockerfile
index 64800218..ab056b38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ FROM builder AS builder-slim
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=uv.lock,target=uv.lock \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
-    uv sync --frozen --no-build --no-install-project --no-dev --no-editable
+    uv sync --frozen --no-install-project --no-dev --no-editable
 
 # Then, add the rest of the project source code and install it
 # Installing separately from its dependencies allows optimal layer caching
@@ -59,7 +59,7 @@ FROM builder AS builder-all
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,source=uv.lock,target=uv.lock \
     --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
-    uv sync --frozen --no-build --no-install-project --all-extras --no-dev --no-editable
+    uv sync --frozen --no-install-project --all-extras --no-dev --no-editable
 
 # Then, add the rest of the project source code and install it
 # Installing separately from its dependencies allows optimal layer caching
diff --git a/specifications/SPEC_PLATFORM_SERVICE.md b/specifications/SPEC_PLATFORM_SERVICE.md
index bde11c0e..1c8e5dd8 100644
--- a/specifications/SPEC_PLATFORM_SERVICE.md
+++ b/specifications/SPEC_PLATFORM_SERVICE.md
@@ -462,9 +462,20 @@ class ApplicationRun:
         self,
         nocache: bool = False,
         item_ids: list[str] | None = None,
+        *,
         external_ids: list[str] | None = None,
+        state: ItemState | None = None,
+        termination_reason: ItemTerminationReason | None = None,
+        custom_metadata: str | None = None,
     ) -> Iterator[ItemResultData]:
-        """Retrieves the results of items in the run, optionally filtered by item or external IDs."""
+        """Retrieves the results of items in the run, optionally filtered server-side.
+
+        Filters: ``item_ids`` / ``external_ids`` (identifier-based), ``state`` /
+        ``termination_reason`` (lifecycle), and ``custom_metadata`` (JSONPath
+        expression evaluated against the item's custom metadata). All filters
+        are forwarded to ``GET /v1/runs/{run_id}/items``; ``None`` parameters
+        are omitted from the request.
+        """
 
     def item_status(self) -> dict[str, ItemStatus]:
         """Retrieves the status of all items in the run."""
diff --git a/src/aignostics/platform/CLAUDE.md b/src/aignostics/platform/CLAUDE.md
index 6cb69dd7..a2aa36a6 100644
--- a/src/aignostics/platform/CLAUDE.md
+++ b/src/aignostics/platform/CLAUDE.md
@@ -809,7 +809,7 @@ def delete(self) -> None:
 - ✅ `Applications.list()` - Application list (5 min TTL)
 - ✅ `Applications.details()` - Application details (5 min TTL)
 - ✅ `Runs.details()` - Run details (15 sec TTL)
-- ✅ `Runs.results()` - Run results (15 sec TTL), supports `item_ids` and `external_ids` filters
+- ✅ `Runs.results()` - Run results (15 sec TTL), supports `item_ids`, `external_ids`, `state`, `termination_reason`, and `custom_metadata` filters
 - ✅ `Runs.list()` - Run list (15 sec TTL)
 
 **Cache Bypass (NEW):**
diff --git a/src/aignostics/platform/resources/runs.py b/src/aignostics/platform/resources/runs.py
index ecb1a3fa..72c0f3ce 100644
--- a/src/aignostics/platform/resources/runs.py
+++ b/src/aignostics/platform/resources/runs.py
@@ -23,6 +23,7 @@
     ItemOutput,
     ItemResultReadResponse,
     ItemState,
+    ItemTerminationReason,
     RunCreationRequest,
     RunCreationResponse,
     RunState,
@@ -375,11 +376,15 @@ def delete(self) -> None:
         )
         operation_cache_clear()  # Clear all caches since we added a new run
 
-    def results(
+    def results(  # noqa: PLR0913
         self,
         nocache: bool = False,
         item_ids: list[str] | None = None,
         external_ids: list[str] | None = None,
+        *,
+        state: ItemState | None = None,
+        termination_reason: ItemTerminationReason | None = None,
+        custom_metadata: str | None = None,
     ) -> t.Iterator[ItemResultData]:
         """Retrieves the results of all items in the run.
 
@@ -390,6 +395,11 @@ def results(
                 The fresh result will still be cached for subsequent calls. Defaults to False.
             item_ids (list[str] | None): Optional list of item IDs to filter results by.
             external_ids (list[str] | None): Optional list of external IDs to filter results by.
+            state (ItemState | None): Optional filter by item state (server-side).
+            termination_reason (ItemTerminationReason | None): Optional filter by termination reason
+                (server-side, only applies to TERMINATED items).
+            custom_metadata (str | None): Optional JSONPath expression to filter items by their
+                custom_metadata (server-side).
 
         Returns:
             Iterator[ItemResultData]: An iterator over item results.
@@ -422,6 +432,12 @@ def results_with_retry(run_id: str, **kwargs: object) -> list[ItemResultData]:
             filter_kwargs["item_id__in"] = item_ids
         if external_ids:
             filter_kwargs["external_id__in"] = external_ids
+        if state is not None:
+            filter_kwargs["state"] = state
+        if termination_reason is not None:
+            filter_kwargs["termination_reason"] = termination_reason
+        if custom_metadata is not None:
+            filter_kwargs["custom_metadata"] = custom_metadata
 
         return paginate(lambda **kwargs: results_with_retry(self.run_id, nocache=nocache, **filter_kwargs, **kwargs))
 
diff --git a/tests/aignostics/platform/resources/runs_test.py b/tests/aignostics/platform/resources/runs_test.py
index 1de38ebb..0e69b1d8 100644
--- a/tests/aignostics/platform/resources/runs_test.py
+++ b/tests/aignostics/platform/resources/runs_test.py
@@ -1243,3 +1243,79 @@ def test_ensure_artifacts_downloaded_is_instance_method_not_static(app_run, tmp_
     bound = app_run.ensure_artifacts_downloaded
     # On a method, __self__ is the instance; on a staticmethod, __self__ doesn't exist.
     assert getattr(bound, "__self__", None) is app_run
+
+
+# ---------------------------------------------------------------------------
+# Run.results() — server-side state / termination_reason / custom_metadata filters
+# ---------------------------------------------------------------------------
+
+
+@pytest.mark.unit
+def test_results_passes_state_filter(app_run, mock_api) -> None:
+    """state= is forwarded to the API call on every page."""
+    from aignx.codegen.models import ItemState
+
+    mock_api.list_run_items_v1_runs_run_id_items_get.return_value = []
+
+    list(app_run.results(state=ItemState.TERMINATED))
+
+    call_kwargs = mock_api.list_run_items_v1_runs_run_id_items_get.call_args[1]
+    assert call_kwargs["state"] == ItemState.TERMINATED
+
+
+@pytest.mark.unit
+def test_results_passes_termination_reason_filter(app_run, mock_api) -> None:
+    """termination_reason= is forwarded to the API call on every page."""
+    from aignx.codegen.models import ItemTerminationReason
+
+    mock_api.list_run_items_v1_runs_run_id_items_get.return_value = []
+
+    list(app_run.results(termination_reason=ItemTerminationReason.SUCCEEDED))
+
+    call_kwargs = mock_api.list_run_items_v1_runs_run_id_items_get.call_args[1]
+    assert call_kwargs["termination_reason"] == ItemTerminationReason.SUCCEEDED
+
+
+@pytest.mark.unit
+def test_results_passes_custom_metadata_filter(app_run, mock_api) -> None:
+    """custom_metadata= is forwarded to the API call on every page."""
+    mock_api.list_run_items_v1_runs_run_id_items_get.return_value = []
+
+    list(app_run.results(custom_metadata="$.key"))
+
+    call_kwargs = mock_api.list_run_items_v1_runs_run_id_items_get.call_args[1]
+    assert call_kwargs["custom_metadata"] == "$.key"
+
+
+@pytest.mark.unit
+def test_results_combines_all_filters(app_run, mock_api) -> None:
+    """All three new filters are forwarded together when all are provided."""
+    from aignx.codegen.models import ItemState, ItemTerminationReason
+
+    mock_api.list_run_items_v1_runs_run_id_items_get.return_value = []
+
+    list(
+        app_run.results(
+            state=ItemState.TERMINATED,
+            termination_reason=ItemTerminationReason.SUCCEEDED,
+            custom_metadata="$.batch_id=='x'",
+        )
+    )
+
+    call_kwargs = mock_api.list_run_items_v1_runs_run_id_items_get.call_args[1]
+    assert call_kwargs["state"] == ItemState.TERMINATED
+    assert call_kwargs["termination_reason"] == ItemTerminationReason.SUCCEEDED
+    assert call_kwargs["custom_metadata"] == "$.batch_id=='x'"
+
+
+@pytest.mark.unit
+def test_results_omits_none_filters(app_run, mock_api) -> None:
+    """When state/termination_reason/custom_metadata are not provided they must not appear in API call."""
+    mock_api.list_run_items_v1_runs_run_id_items_get.return_value = []
+
+    list(app_run.results())
+
+    call_kwargs = mock_api.list_run_items_v1_runs_run_id_items_get.call_args[1]
+    assert "state" not in call_kwargs
+    assert "termination_reason" not in call_kwargs
+    assert "custom_metadata" not in call_kwargs