diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4cafdf..01146fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,21 @@
+## v2.3.0 (2025-12-23)
+
+### Feat
+
+- **node**: enhance trigger handling with asyncio task management
+- **tests**: add yappi profiling context manager and integrate into test cases
+- **plugins**: add JSON representation method to InstalledModule
+
+### Fix
+
+- **files**: ensure temporary file cleanup on error in write_json_secure
+
+### Refactor
+
+- **node, plugins**: improve event handling and entry point validation
+- **plugins**: enhance module handling and entry point loading
+- **setup**: improve error logging and simplify entry point handling
+
 ## v2.2.0 (2025-12-12)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index a3b6d9a..a56d0cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "funcnodes-core"
 
-version = "2.2.0"
+version = "2.3.0"
 
 description = "core package for funcnodes"
 authors = [{name = "Julian Kimmig", email = "julian.kimmig@linkdlab.de"}]
diff --git a/src/funcnodes_core/_setup.py b/src/funcnodes_core/_setup.py
index 9b06ada..d113522 100644
--- a/src/funcnodes_core/_setup.py
+++ b/src/funcnodes_core/_setup.py
@@ -1,7 +1,6 @@
 from typing import Dict, Optional
 import gc
 from .config import update_render_options
-from .lib import check_shelf
 from ._logging import FUNCNODES_LOGGER
 from .utils.plugins import get_installed_modules, InstalledModule, PLUGIN_FUNCTIONS
 
@@ -10,8 +9,8 @@ def setup_module(mod_data: InstalledModule) -> Optional[InstalledModule]:
     gc.collect()
     entry_points = mod_data.entry_points
     mod = mod_data.module
-    if not mod:  # funcnodes modules must have an module entry point
-        return None
+    # if not mod:  # funcnodes modules must have an module entry point
+    #    return None
 
     # first we try to register the plugin setup function as this might register other functions
     try:
@@ -21,7 +20,7 @@ def setup_module(mod_data: InstalledModule) -> Optional[InstalledModule]:
             mod.FUNCNODES_PLUGIN_SETUP()
             entry_points["render_options"] = mod.FUNCNODES_PLUGIN_SETUP
     except Exception as e:
-        FUNCNODES_LOGGER.error("Error in plugin setup %s: %s" % (mod.__name__, e))
+        FUNCNODES_LOGGER.error("Error in plugin setup %s: %s" % (mod_data.name, e))
 
     # Then we call the plugin functions
     for pluginf in PLUGIN_FUNCTIONS.values():
@@ -29,7 +28,7 @@ def setup_module(mod_data: InstalledModule) -> Optional[InstalledModule]:
             pluginf(mod_data)
         except Exception as e:
             FUNCNODES_LOGGER.error(
-                "Error in setup_module plugin function %s: %s" % (mod.__name__, e)
+                "Error in setup_module plugin function %s: %s" % (mod_data.name, e)
             )
 
     if "render_options" in entry_points:
@@ -48,15 +47,15 @@ def setup_module(mod_data: InstalledModule) -> Optional[InstalledModule]:
             if hasattr(mod, sn):
                 entry_points["shelf"] = getattr(mod, sn)
                 break
-    if "shelf" in entry_points:
-        try:
-            entry_points["shelf"] = check_shelf(
-                entry_points["shelf"], parent_id=mod_data.name
-            )
-        except ValueError as e:
-            FUNCNODES_LOGGER.error("Error in module %s: %s" % (mod.__name__, e))
-            del entry_points["shelf"]
-    mod_data._is_setup = True
+    # if "shelf" in entry_points:
+    #    try:
+    #        entry_points["shelf"] = check_shelf(
+    #            entry_points["shelf"], parent_id=mod_data.name
+    #        )
+    #    except ValueError as e:
+    #        FUNCNODES_LOGGER.error("Error in module %s: %s" % (mod_data.name, e))
+    #        del entry_points["shelf"]
+    mod_data._is_setup = mod is not None
     return mod_data
 
 
diff --git a/src/funcnodes_core/node.py b/src/funcnodes_core/node.py
index db8f962..315d8de 100644
--- a/src/funcnodes_core/node.py
+++ b/src/funcnodes_core/node.py
@@ -400,6 +400,7 @@ def __init__(
         self._outputs: List[NodeOutput] = []
         self._outputs_dict: Optional[Dict[str, NodeOutput]] = None
         self._triggerstack: Optional[TriggerStack] = None
+        self._trigger_task: Optional[asyncio.Task] = None
         # flag whether the trigger has started but still not read the ios
         self._trigger_open = False
         self._requests_trigger = False
@@ -724,6 +725,8 @@ def in_trigger(self):
         checked if the triggerstack is not None and if it is done
         or if the _trigger_open flag is set
         """
+        if self._trigger_task is not None and self._trigger_task.done():
+            self._trigger_task = None
         if self._triggerstack is not None:
             if self._triggerstack.done():
                 self._triggerstack = None
@@ -1100,8 +1103,26 @@ async def await_trigger(self):
 
     @savemethod
     async def wait_for_trigger_finish(self):
-        if self.in_trigger:
-            await self.asynceventmanager.wait("triggerdone")
+        while self.in_trigger:
+            task = self._trigger_task
+            if task is not None:
+                try:
+                    # Wait on the trigger task directly to avoid missing event pulses.
+                    await asyncio.wait_for(asyncio.shield(task), timeout=0.5)
+                except asyncio.TimeoutError:
+                    continue
+            else:
+                try:
+                    # Fallback when no task reference is available.
+                    await asyncio.wait_for(
+                        self.asynceventmanager.wait("triggerdone"), timeout=0.5
+                    )
+                except asyncio.TimeoutError:
+                    continue
+
+    def _clear_trigger_task(self, task: asyncio.Task) -> None:
+        if self._trigger_task is task:
+            self._trigger_task = None
 
     @savemethod
     async def await_until_complete(self):
@@ -1145,7 +1166,10 @@ def trigger(self, triggerstack: Optional[TriggerStack] = None) -> TriggerStack:
         triggerlogger.debug("triggering %s", self)
         self._trigger_open = True
         self._triggerstack = triggerstack
-        self._triggerstack.append(asyncio.create_task(self()))
+        task = asyncio.create_task(self())
+        self._trigger_task = task
+        task.add_done_callback(self._clear_trigger_task)
+        self._triggerstack.append(task)
         self._requests_trigger = False
         return self._triggerstack
 
diff --git a/src/funcnodes_core/utils/files.py b/src/funcnodes_core/utils/files.py
index 108c728..5fcd014 100644
--- a/src/funcnodes_core/utils/files.py
+++ b/src/funcnodes_core/utils/files.py
@@ -22,6 +22,7 @@ def write_json_secure(data, filepath: Union[Path, str], cls=None, **kwargs):
     cls = cls or JSONEncoder
 
     # Create a temporary file in the same directory
+    temp_file_path = None
     try:
         with tempfile.NamedTemporaryFile(
             "w+", dir=directory, delete=False, encoding="utf-8"
@@ -33,8 +34,9 @@ def write_json_secure(data, filepath: Union[Path, str], cls=None, **kwargs):
             os.fsync(temp_file.fileno())  # Force writing to disk for durability
     except Exception as e:
         # Clean up the temporary file in case of an error
-        if os.path.exists(temp_file_path):
-            os.remove(temp_file_path)
+        if temp_file_path:
+            if os.path.exists(temp_file_path):
+                os.remove(temp_file_path)
         raise e
 
     # Atomically replace the target file with the temporary file
diff --git a/src/funcnodes_core/utils/plugins.py b/src/funcnodes_core/utils/plugins.py
index bf7b5a4..015aaf6 100644
--- a/src/funcnodes_core/utils/plugins.py
+++ b/src/funcnodes_core/utils/plugins.py
@@ -1,6 +1,11 @@
 from typing import Dict, Optional
 from collections.abc import Callable
-from importlib.metadata import entry_points, Distribution, PackageNotFoundError
+from importlib.metadata import (
+    EntryPoint,
+    entry_points,
+    Distribution,
+    PackageNotFoundError,
+)
 from importlib import reload
 import sys
 from .._logging import FUNCNODES_LOGGER
@@ -44,13 +49,15 @@ def reload_plugin_module(module_name: str):
 
 def assert_entry_points_loaded(modulde_data: InstalledModule):
     for ep in entry_points(group="funcnodes.module", module=modulde_data.name):
-        if ep.name in modulde_data.entry_points:
+        if ep.name in modulde_data.entry_points and not isinstance(
+            modulde_data.entry_points[ep.name], EntryPoint
+        ):
             continue
         try:
             loaded = ep.load()
             modulde_data.entry_points[ep.name] = loaded
             if ep.name == "module":
-                modulde_data.module = loaded
+                modulde_data.set_module(loaded)
         except Exception as exc:
             FUNCNODES_LOGGER.exception(f"Failed to load entry point {ep.name}: {exc}")
 
@@ -106,24 +113,45 @@ def _lazydist() -> Distribution:
     return modulde_data
 
 
+def setup_plugin_module(module_name: str) -> Optional[InstalledModule]:
+    modulde_data = InstalledModule(
+        name=module_name,
+        entry_points={},
+        module=None,  # module not directly added since only modules with a module entry point are relevant
+    )
+
+    for ep in entry_points(group="funcnodes.module", module=modulde_data.name):
+        if ep.name in modulde_data.entry_points:
+            continue
+        modulde_data.entry_points[ep.name] = ep
+
+    return modulde_data
+
+
 def get_installed_modules(
     named_objects: Optional[Dict[str, InstalledModule]] = None,
 ) -> Dict[str, InstalledModule]:
     if named_objects is None:
         named_objects: Dict[str, InstalledModule] = {}
 
-    modules = set()
-
     for ep in entry_points(group="funcnodes.module"):
         module_name = ep.module
-        modules.add(module_name)
-    for module_name in modules:
-        if module_name not in named_objects:
+        if module_name in named_objects:
+            continue
+        # insmod = setup_plugin_module(module_name)
+        # if not insmod:
+        #     continue
+        # named_objects[module_name] = insmod
+
+        # old code
+        if module_name in sys.modules:
             named_objects[module_name] = reload_plugin_module(module_name)
+        else:
+            named_objects[module_name] = setup_plugin_module(module_name)
         modulde_data = named_objects[module_name]
-        modulde_data = assert_entry_points_loaded(modulde_data)
-        modulde_data = assert_module_metadata(modulde_data)
 
+    for module_name, modulde_data in named_objects.items():
+        modulde_data = assert_module_metadata(modulde_data)
     return named_objects
 
 
diff --git a/src/funcnodes_core/utils/plugins_types.py b/src/funcnodes_core/utils/plugins_types.py
index eef270c..d8dc653 100644
--- a/src/funcnodes_core/utils/plugins_types.py
+++ b/src/funcnodes_core/utils/plugins_types.py
@@ -1,5 +1,6 @@
 from typing import Dict, Any, Optional, TypedDict, List
 from dataclasses import dataclass, field
+from importlib.metadata import EntryPoint
 
 
 class RenderOptions(TypedDict, total=False):
@@ -27,6 +28,29 @@ class BasePlugin(TypedDict):
     module: str
 
 
+class _LazyEntryDict(dict):
+    def __getitem__(self, name: str) -> Any:
+        value = super().__getitem__(name)
+        if isinstance(value, EntryPoint):
+            value = value.load()
+            self[name] = value
+            if hasattr(self, "installed_module"):
+                installed_module = getattr(self, "installed_module")
+                if installed_module.module is None:
+                    if name == "module":
+                        installed_module.set_module(value)
+                    else:
+                        module = self.get("module", None)
+                        if module is not None:
+                            installed_module.set_module(module)
+        return value
+
+    def get(self, name: str, default: Any = None) -> Any:
+        if name not in self:
+            return default
+        return self[name]
+
+
 @dataclass
 class InstalledModule:
     """
@@ -40,12 +64,18 @@ class InstalledModule:
     name: str
     module: Any
     description: Optional[str] = None
-    entry_points: Dict[str, Any] = field(default_factory=dict)
+    entry_points: Dict[str, Any] = field(default_factory=_LazyEntryDict)
     plugins: List[BasePlugin] = field(default_factory=list)
     render_options: Optional[RenderOptions] = None
     version: Optional[str] = None
     _is_setup = False
 
+    # make sure that entrz points is a _LazyEntryDict
+    def __post_init__(self):
+        if not isinstance(self.entry_points, _LazyEntryDict):
+            self.entry_points = _LazyEntryDict(self.entry_points)
+        self.entry_points.installed_module = self
+
     @property
     def rep_dict(self) -> dict[str, Any]:
         return {
@@ -62,3 +92,18 @@ def __repr__(self) -> str:
 
     def __str__(self) -> str:
         return self.__repr__()
+
+    def set_module(self, module: Any):
+        if self.module is not None:
+            if self.module != module:
+                raise ValueError(
+                    f"Module {self.name} already has a module {self.module} and cannot be set to {module}"
+                )
+        self.module = module
+        if not self._is_setup:
+            from .._setup import setup_module
+
+            setup_module(self)
+
+    def _repr_json_(self) -> dict[str, Any]:
+        return self.rep_dict
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..1a8fe75
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,39 @@
+import pathlib
+import os
+import pytest
+
+try:
+    import yappi
+except ImportError:
+    yappi = None
+
+
+class _yappicontext:
+    def __init__(self, file):
+        base_dir = pathlib.Path(
+            os.environ.get("TEST_OUTPUT_DIR", "testouts")
+        ).absolute()
+        if not base_dir.exists():
+            base_dir.mkdir(parents=True, exist_ok=True)
+        self.file = str(base_dir / file)
+
+    def __enter__(self):
+        if yappi is not None:
+            yappi.set_clock_type("WALL")
+            yappi.start()
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        if yappi is not None:
+            yappi.stop()
+            yappi.get_func_stats().save(self.file, "pstat")
+            yappi.clear_stats()
+
+
+@pytest.fixture
+def yappicontext_class():
+    return _yappicontext
+
+
+@pytest.fixture
+def yappicontext(yappicontext_class, request):
+    return yappicontext_class(request.node.name + ".pstat")
diff --git a/tests/test_nodeutils.py b/tests/test_nodeutils.py
index 2bf5e63..f137051 100644
--- a/tests/test_nodeutils.py
+++ b/tests/test_nodeutils.py
@@ -8,6 +8,7 @@
     run_until_complete,
 )
 from funcnodes_core.nodemaker import NodeDecorator
+from funcnodes_core.eventmanager import AsyncEventManager
 
 import funcnodes_core as fn
 
@@ -37,6 +38,26 @@ async def func(self, ip1, ip2):
         self.outputs["op1"].value += 1
 
 
+class SlowClearEventManager(AsyncEventManager):
+    def __init__(self, obj):
+        super().__init__(obj)
+        self.triggerdone_cleared = asyncio.Event()
+
+    async def set_and_clear(self, event: str, delta: float = 0) -> None:
+        await super().set_and_clear(event, delta=delta)
+        if event == "triggerdone":
+            self.triggerdone_cleared.set()
+            await asyncio.sleep(0.05)
+
+
+class SlowEventTKNode(TKNode):
+    node_id = "slow_event_tknode"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.asynceventmanager = SlowClearEventManager(self)
+
+
 @dataclass
 class NodeChain:
     node1: fn.Node
@@ -181,3 +202,22 @@ async def test_trigger_fast():
     tw1 = te1 - ts1
     assert tw1 < 0.5
     assert node.outputs["op1"].value == 101
+
+
+@funcnodes_test
+async def test_wait_for_trigger_finish_avoids_triggerdone_race():
+    node = SlowEventTKNode()
+    node.pretrigger_delay = 0.0
+    node.inputs["ip1"].value = 1
+    node.inputs["ip2"].value = 2
+    node.request_trigger()
+
+    await node.asynceventmanager.triggerdone_cleared.wait()
+    assert node.in_trigger
+
+    ts = time.perf_counter()
+    await node.wait_for_trigger_finish()
+    tw = time.perf_counter() - ts
+
+    assert tw < 0.2
+    assert node.outputs["op1"].value == 1
diff --git a/tests/test_triggering.py b/tests/test_triggering.py
index 7d28278..cfab1dd 100644
--- a/tests/test_triggering.py
+++ b/tests/test_triggering.py
@@ -1,39 +1,11 @@
 import time
-import os
-import pathlib
 
 import funcnodes_core as fn
 from pytest_funcnodes import funcnodes_test
 
-try:
-    import yappi
-except ImportError:
-    yappi = None
-
-
-class yappicontext:
-    def __init__(self, file):
-        base_dir = pathlib.Path(
-            os.environ.get("TEST_OUTPUT_DIR", "testouts")
-        ).absolute()
-        if not base_dir.exists():
-            base_dir.mkdir(parents=True, exist_ok=True)
-        self.file = str(base_dir / file)
-
-    def __enter__(self):
-        if yappi is not None:
-            yappi.set_clock_type("WALL")
-            yappi.start()
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        if yappi is not None:
-            yappi.stop()
-            yappi.get_func_stats().save(self.file, "pstat")
-            yappi.clear_stats()
-
 
 @funcnodes_test
-async def test_triggerspeeds():
+async def test_triggerspeeds(yappicontext_class):
     @fn.NodeDecorator("TestTriggerSpeed test_triggerspeeds")
     async def _add_one(input: int) -> int:
         return input + 1  # a very simple and fast operation
@@ -43,13 +15,13 @@ async def _a_add_one(input: int) -> int:
 
     node = _add_one(pretrigger_delay=0.0)
 
-    with yappicontext("test_triggerspeeds_directfunc.pstat"):
+    with yappicontext_class("test_triggerspeeds_directfunc.pstat"):
         t = time.perf_counter()
         cound_directfunc = 0
         while time.perf_counter() - t < 1:
             cound_directfunc = await node.func(cound_directfunc)
 
-    with yappicontext("test_triggerspeeds_simplefunc.pstat"):
+    with yappicontext_class("test_triggerspeeds_simplefunc.pstat"):
         t = time.perf_counter()
         count_simplefunc = 0
         while time.perf_counter() - t < 1:
@@ -78,7 +50,7 @@ def increase_called_triggerfast(*args, **kwargs):
 
     node.on("triggerstart", increase_called_trigger)
     node.on("triggerfast", increase_called_triggerfast)
-    with yappicontext("test_triggerspeeds_direct_called.pstat"):
+    with yappicontext_class("test_triggerspeeds_direct_called.pstat"):
         while time.perf_counter() - t < 1:
             await node()
             node.inputs["input"].value = node.outputs["out"].value
@@ -93,7 +65,7 @@ def increase_called_triggerfast(*args, **kwargs):
         trigger_direct_called > cound_directfunc / 5
     )  # overhead due to all the trigger set and clear
 
-    with yappicontext("test_triggerspeeds_called_await.pstat"):
+    with yappicontext_class("test_triggerspeeds_called_await.pstat"):
         node.inputs["input"].value = 1
 
         t = time.perf_counter()
diff --git a/tests/test_utils/test_plugins.py b/tests/test_utils/test_plugins.py
index c71f62c..c320d0c 100644
--- a/tests/test_utils/test_plugins.py
+++ b/tests/test_utils/test_plugins.py
@@ -245,17 +245,24 @@ def test_get_installed_modules_deduplicates_and_updates(monkeypatch):
     """get_installed_modules should reload missing entries once and enrich data."""
 
     class GroupEntryPoint:
-        def __init__(self, module):
+        def __init__(self, module, name):
             self.module = module
+            self.name = name
 
     group_eps = [
-        GroupEntryPoint("alpha"),
-        GroupEntryPoint("beta"),
-        GroupEntryPoint("alpha"),  # duplicate to ensure deduplication
+        GroupEntryPoint("alpha", "alpha"),
+        GroupEntryPoint("beta", "beta"),
+        GroupEntryPoint("alpha", "alpha2"),  # duplicate to ensure deduplication
     ]
 
     def fake_entry_points(**kwargs):
-        assert kwargs == {"group": "funcnodes.module"}
+        assert kwargs["group"] == "funcnodes.module"
+        if "module" in kwargs:
+            if kwargs["module"] == "alpha":
+                return [group_eps[0]]
+            if kwargs["module"] == "beta":
+                return [group_eps[1]]
+            raise ValueError(f"Unknown module: {kwargs['module']}")
         return group_eps
 
     reloaded = []
@@ -276,19 +283,14 @@ def fake_assert_module_metadata(data):
 
     monkeypatch.setattr(plugins_module, "entry_points", fake_entry_points)
     monkeypatch.setattr(plugins_module, "reload_plugin_module", fake_reload)
-    monkeypatch.setattr(
-        plugins_module, "assert_entry_points_loaded", fake_assert_entry_points_loaded
-    )
+
     monkeypatch.setattr(
         plugins_module, "assert_module_metadata", fake_assert_module_metadata
     )
 
     result = plugins_module.get_installed_modules(named_objects={"beta": existing})
 
-    assert reloaded == ["alpha"]
     assert set(result.keys()) == {"alpha", "beta"}
-    assert result["alpha"].entry_points["loaded"] is True
-    assert result["beta"].entry_points["loaded"] is True
     assert result["beta"].description == "desc:beta"
 
 
@@ -348,6 +350,7 @@ def fake_from_name(cls, name):
 
     assert module_name in result
     assert reload_calls == [module_name]
+    result = plugins_module.get_installed_modules()
     installed = result[module_name]
     assert installed.module is module_obj
     assert installed.entry_points["other"] is not None
diff --git a/uv.lock b/uv.lock
index 48a18dd..2f13528 100644
--- a/uv.lock
+++ b/uv.lock
@@ -457,7 +457,7 @@ wheels = [
 
 [[package]]
 name = "funcnodes-core"
-version = "2.2.0"
+version = "2.3.0"
 source = { editable = "." }
 dependencies = [
     { name = "dill" },