diff --git a/benchmarks/project_repository_bench.py b/benchmarks/project_repository_bench.py
index 65d4d79f1..23552dbb2 100644
--- a/benchmarks/project_repository_bench.py
+++ b/benchmarks/project_repository_bench.py
@@ -15,6 +15,7 @@ from sqlalchemy.orm import sessionmaker
 from cleveragents.domain.models.core.project import NamespacedProject
 from cleveragents.infrastructure.database.models import (
     Base,
+    NamespacedProjectModel,
     ResourceModel,
     ResourceTypeModel,
 )
@@ -96,8 +97,13 @@ class LinkRepositoryCRUD:
         session.commit()
 
         # Project
-        project_repo = NamespacedProjectRepository(session_factory=self.sf)
-        project_repo.create(NamespacedProject(name="link-bench", namespace="bench"))
+        proj = NamespacedProjectModel()
+        proj.namespaced_name = "bench/link-bench"  # type: ignore[assignment]
+        proj.namespace = "bench"  # type: ignore[assignment]
+        proj.tags_json = "[]"  # type: ignore[assignment]
+        proj.created_at = _now_iso()  # type: ignore[assignment]
+        proj.updated_at = _now_iso()  # type: ignore[assignment]
+        session.add(proj)
         session.commit()
 
         # Resources
diff --git a/benchmarks/resource_dag_bench.py b/benchmarks/resource_dag_bench.py
index ec47baed9..81ed1b4f1 100644
--- a/benchmarks/resource_dag_bench.py
+++ b/benchmarks/resource_dag_bench.py
@@ -32,7 +32,7 @@ def _bench_ulid() -> str:
     _BENCH_CTR += 1
     n = _BENCH_CTR
     suffix = ""
-    for _ in range(8):
+    for _ in range(7):
         suffix = _CB32[n % 32] + suffix
         n //= 32
     return f"01HDAGBNCH0AQDYTR4B{suffix:>7s}"[:26]
@@ -40,6 +40,7 @@ def _bench_ulid() -> str:
 
 def _seed_types(
     rt_repo: Any,
+    session_factory: Any,
     parent_name: str = "bench/dag-parent",
     child_name: str = "bench/dag-child",
 ) -> None:
@@ -94,12 +95,16 @@ def _seed_types(
         built_in=False,
     )
     rt_repo.create(parent_spec)
-    rt_repo.create(child_spec)
+    if child_name != parent_name:
+        rt_repo.create(child_spec)
+    # Commit so types survive across session boundaries (StaticPool).
+    session_factory().commit()
 
 
 def _make_resource(
     res_repo: Any,
     type_name: str,
+    session_factory: Any,
 ) -> str:
     """Create a resource and return its ID."""
     from cleveragents.domain.models.core.resource import (
@@ -124,6 +129,8 @@ def _make_resource(
         updated_at=datetime.now(tz=UTC),
     )
     res_repo.create(res)
+    # Commit so the resource survives across session boundaries.
+    session_factory().commit()
     return rid
 
 
@@ -139,12 +146,12 @@ class TimeLinkChild:
         self.factory = _setup_db()
         self.rt_repo = ResourceTypeRepository(self.factory)
         self.res_repo = ResourceRepository(self.factory)
-        _seed_types(self.rt_repo)
-        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent")
+        _seed_types(self.rt_repo, self.factory)
+        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent", self.factory)
         self._child_ctr = 0
 
     def time_link_child(self) -> None:
-        child_id = _make_resource(self.res_repo, "bench/dag-child")
+        child_id = _make_resource(self.res_repo, "bench/dag-child", self.factory)
         self.res_repo.link_child(self.parent_id, child_id)
 
 
@@ -160,10 +167,11 @@ class TimeUnlinkChild:
         self.factory = _setup_db()
         self.rt_repo = ResourceTypeRepository(self.factory)
         self.res_repo = ResourceRepository(self.factory)
-        _seed_types(self.rt_repo)
-        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent")
-        self.child_id = _make_resource(self.res_repo, "bench/dag-child")
+        _seed_types(self.rt_repo, self.factory)
+        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent", self.factory)
+        self.child_id = _make_resource(self.res_repo, "bench/dag-child", self.factory)
         self.res_repo.link_child(self.parent_id, self.child_id)
+        self.factory().commit()
 
     def time_unlink_child(self) -> None:
         self.res_repo.unlink_child(self.parent_id, self.child_id)
@@ -183,8 +191,8 @@ class TimeAutoDiscoverChildren:
         self.factory = _setup_db()
         self.rt_repo = ResourceTypeRepository(self.factory)
         self.res_repo = ResourceRepository(self.factory)
-        _seed_types(self.rt_repo)
-        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent")
+        _seed_types(self.rt_repo, self.factory)
+        self.parent_id = _make_resource(self.res_repo, "bench/dag-parent", self.factory)
 
     def time_auto_discover_children(self) -> None:
         self.res_repo.auto_discover_children(self.parent_id)
@@ -207,6 +215,7 @@ class TimeCycleDetection:
         self.res_repo = ResourceRepository(self.factory)
         _seed_types(
             self.rt_repo,
+            self.factory,
             "bench/chain-type",
             "bench/chain-type",
         )
@@ -214,7 +223,7 @@ class TimeCycleDetection:
         # Build a chain: r0 -> r1 -> ... -> rN
         self.chain_ids: list[str] = []
         for _ in range(chain_depth + 1):
-            rid = _make_resource(self.res_repo, "bench/chain-type")
+            rid = _make_resource(self.res_repo, "bench/chain-type", self.factory)
             self.chain_ids.append(rid)
 
         for i in range(chain_depth):
@@ -222,6 +231,7 @@ class TimeCycleDetection:
                 self.chain_ids[i],
                 self.chain_ids[i + 1],
             )
+        self.factory().commit()
 
     def time_cycle_detection(self, chain_depth: int) -> None:
         """Attempt to close the cycle (should raise)."""
diff --git a/robot/actor_configuration.robot b/robot/actor_configuration.robot
index bb1235dd6..8fa6b50bf 100644
--- a/robot/actor_configuration.robot
+++ b/robot/actor_configuration.robot
@@ -31,7 +31,7 @@ V2 Actor Config Produces Provider And Graph Descriptor
     ...    ${SPACE*4}publications:
     ...    ${SPACE*6}- __output__
     Create File    ${config}    ${content}
-    ${result}=    Run Process    ${PYTHON}    robot/helper_actor_config.py    ${config}    stdout=PIPE    stderr=PIPE
+    ${result}=    Run Process    ${PYTHON}    robot/helper_actor_config.py    ${config}
     Should Be Equal As Integers    ${result.rc}    0
     ${payload}=    Evaluate    __import__('json').loads('''${result.stdout.strip()}''')
     Should Be Equal    ${payload['provider']}    openai
diff --git a/robot/changeset_capture.robot b/robot/changeset_capture.robot
index ddb1c9496..ccb808124 100644
--- a/robot/changeset_capture.robot
+++ b/robot/changeset_capture.robot
@@ -13,7 +13,6 @@ File Write Produces ChangeSet Entry
     ...                verify the resulting ChangeSet contains the entry.
     ${result}=    Run Process    ${PYTHON}    -c
     ...    ${CHANGESET_SCRIPT}
-    ...    stdout=PIPE    stderr=PIPE
     Log    ${result.stdout}
     Log    ${result.stderr}
     Should Be Equal As Integers    ${result.rc}    0
@@ -24,7 +23,6 @@ ChangeSet Summary Counts Match
     [Documentation]    Verify summary counts after multiple operations.
     ${result}=    Run Process    ${PYTHON}    -c
     ...    ${SUMMARY_SCRIPT}
-    ...    stdout=PIPE    stderr=PIPE
     Log    ${result.stdout}
     Log    ${result.stderr}
     Should Be Equal As Integers    ${result.rc}    0
@@ -36,7 +34,6 @@ InMemoryChangeSetStore Round Trip
     [Documentation]    Verify start/record/get via InMemoryChangeSetStore.
     ${result}=    Run Process    ${PYTHON}    -c
     ...    ${STORE_SCRIPT}
-    ...    stdout=PIPE    stderr=PIPE
     Log    ${result.stdout}
     Log    ${result.stderr}
     Should Be Equal As Integers    ${result.rc}    0
diff --git a/robot/ci_nox_validation.robot b/robot/ci_nox_validation.robot
index d4918d5b2..4017f4ff2 100644
--- a/robot/ci_nox_validation.robot
+++ b/robot/ci_nox_validation.robot
@@ -7,7 +7,7 @@ Library          OperatingSystem
 Nox Lists All Required Sessions
     [Documentation]    Verify that nox can list sessions and the required CI sessions are present
     [Tags]    ci    quality    slow
-    ${result}=    Run Process    nox    --list    stdout=PIPE    stderr=PIPE
+    ${result}=    Run Process    nox    --list
     Should Be Equal As Integers    ${result.rc}    0    msg=nox --list failed with: ${result.stderr}
     # Verify required sessions exist in nox output
     Should Contain    ${result.stdout}    lint
@@ -28,5 +28,5 @@ CI Workflow File Exists
 Nox Lint Session Runs Successfully
     [Documentation]    Verify that nox lint session can be invoked
     [Tags]    ci    quality    slow
-    ${result}=    Run Process    nox    -s    lint    stdout=PIPE    stderr=PIPE    timeout=120s
+    ${result}=    Run Process    nox    -s    lint    timeout=120s
     Should Be Equal As Integers    ${result.rc}    0    msg=nox -s lint failed: ${result.stderr}
diff --git a/robot/plan_lifecycle_persistence.robot b/robot/plan_lifecycle_persistence.robot
index ff52376d7..3ac4f8703 100644
--- a/robot/plan_lifecycle_persistence.robot
+++ b/robot/plan_lifecycle_persistence.robot
@@ -11,7 +11,7 @@ ${PYTHON}    python
 Plan Lifecycle Persistence Via Helper Script
     [Documentation]    Create action + plan, verify persistence through transitions
     ${result}=    Run Process    ${PYTHON}    ${CURDIR}/helper_plan_lifecycle_persistence.py
-    ...    stdout=STDOUT    stderr=STDOUT    timeout=30s
+    ...    stderr=STDOUT    timeout=30s
     Log    ${result.stdout}
     Should Contain    ${result.stdout}    PASS: plan_lifecycle_persistence smoke test
     Should Be Equal As Integers    ${result.rc}    0
diff --git a/robot/plan_repository.robot b/robot/plan_repository.robot
index 1ed0fc846..f6ea572a3 100644
--- a/robot/plan_repository.robot
+++ b/robot/plan_repository.robot
@@ -11,7 +11,7 @@ ${PYTHON}    python
 Plan Repository CRUD Via Helper Script
     [Documentation]    Create, retrieve, list, count, and delete a plan via LifecyclePlanRepository
     ${result}=    Run Process    ${PYTHON}    ${CURDIR}/helper_plan_repository.py
-    ...    stdout=STDOUT    stderr=STDOUT    timeout=30s
+    ...    stderr=STDOUT    timeout=30s
     Log    ${result.stdout}
     Should Contain    ${result.stdout}    PASS: plan_repository smoke test
     Should Be Equal As Integers    ${result.rc}    0
diff --git a/robot/uow_lifecycle.robot b/robot/uow_lifecycle.robot
index 08e02ec59..57acd1690 100644
--- a/robot/uow_lifecycle.robot
+++ b/robot/uow_lifecycle.robot
@@ -11,7 +11,7 @@ ${PYTHON}    python
 UoW Lifecycle Action And Plan Via Helper Script
     [Documentation]    Create action + plan via UoW, verify retrieval in new session
     ${result}=    Run Process    ${PYTHON}    ${CURDIR}/helper_uow_lifecycle.py
-    ...    stdout=STDOUT    stderr=STDOUT    timeout=30s
+    ...    stderr=STDOUT    timeout=30s
     Log    ${result.stdout}
     Should Contain    ${result.stdout}    PASS: uow_lifecycle smoke test
     Should Be Equal As Integers    ${result.rc}    0