Update from Copier (2026-10-11T11-14-35Z)

.copier-answers.yaml

@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: 5ff720b
+_commit: '4372075'
 _src_path: https://github.com/python-project-templates/base.git
 add_docs: true
 add_extension: python

Makefile

@@ -25,16 +25,16 @@ lint-py:  ## lint python with ruff
 	python -m ruff format --check dau_sim
 
 lint-docs:  ## lint docs with mdformat and codespell
-	python -m mdformat --check README.md docs/src
-	python -m codespell_lib README.md docs/src
+	python -m mdformat --check README.md $(wildcard docs/src)
+	python -m codespell_lib README.md $(wildcard docs/src)
 
 fix-py:  ## autoformat python code with ruff
 	python -m ruff check --fix dau_sim
 	python -m ruff format dau_sim
 
 fix-docs:  ## autoformat docs with mdformat and codespell
-	python -m mdformat README.md docs/src
-	python -m codespell_lib --write README.md docs/src
+	python -m mdformat README.md $(wildcard docs/src)
+	python -m codespell_lib --write README.md $(wildcard docs/src)
 
 lint: lint-py lint-docs  ## run all linters
 lints: lint
@@ -50,9 +50,9 @@ check-dist:  ## check python sdist and wheel with check-dist
 	check-dist -v
 
 check-types:  ## check python types with ty
-	ty check --python $$(which python)
+	python -m ty check
 
-checks: check-dist
+checks: check-dist check-types
 
 # Alias
 check: checks

dau_sim/api.py

@@ -1,4 +1,4 @@
-from datetime import timedelta
+from datetime import datetime, timedelta
 
 from ccflow import BaseModel
 from pydantic import ConfigDict
@@ -14,7 +14,7 @@ class SimulationResult(BaseModel):
     model_config = ConfigDict(frozen=True)
 
     module_name: str
-    traces: tuple[tuple[str, tuple[tuple[object, int], ...]], ...]
+    traces: tuple[tuple[str, tuple[tuple[datetime, int], ...]], ...]
 
     def latest(self, signal: str) -> int | None:
         """Return the most recent value for a signal, if available."""
@@ -94,4 +94,4 @@ def write_vcd(
         signals: list[str] | None = None,
         exclude: list[str] | None = None,
     ) -> None:
-        self._compiled.write_vcd(path, dict(result.traces), timescale=timescale, signals=signals, exclude=exclude)
+        self._compiled.write_vcd(path, {name: list(values) for name, values in result.traces}, timescale=timescale, signals=signals, exclude=exclude)

dau_sim/backends/cocotb_backend.py

@@ -25,7 +25,7 @@
 import time
 import types
 from collections.abc import Callable
-from typing import Any
+from typing import Any, cast
 
 from dau_sim.compiler.compile import (
     _build_domain_info,
@@ -700,9 +700,9 @@ def stop(self) -> None:
 # Simulator module — drop-in replacement for cocotb.simulator
 
 
-def _create_simulator_module(engine: SimulationEngine) -> types.ModuleType:
+def _create_simulator_module(engine: SimulationEngine) -> Any:
     """Create a module object that mimics ``cocotb.simulator``."""
-    mod = types.ModuleType("cocotb.simulator")
+    mod: Any = types.ModuleType("cocotb.simulator")
     mod.__package__ = "cocotb"
 
     # Constants
@@ -752,7 +752,7 @@ def register_nextstep_callback(func: Callable, *args: Any) -> DauSimCallback:
     def register_value_change_callback(signal: DauSimHandle, func: Callable, edge: int, *args: Any) -> DauSimCallback:
         return engine.register_value_change_callback(signal, func, edge, *args)
 
-    def get_root_handle(name: str | None = None) -> DauSimHandle:  # noqa: ARG001 (cocotb simulator API)
+    def get_root_handle(name: str | None = None) -> DauSimHandle | None:  # noqa: ARG001 (cocotb simulator API)
         return engine._root_handle
 
     def get_sim_time() -> tuple[int, int]:
@@ -837,9 +837,9 @@ def run_cocotb(
     else:
         # Try Amaranth
         try:
-            from dau_sim.frontends.amaranth_frontend import lower_amaranth_design
+            from dau_sim.frontends.amaranth_frontend import from_amaranth
 
-            ir_module = lower_amaranth_design(design)
+            ir_module = from_amaranth(design)
         except (ImportError, TypeError):
             raise TypeError(f"Cannot lower design of type {type(design).__name__}. Pass an Amaranth Elaboratable or a dau-sim IR Module.")
 
@@ -866,6 +866,8 @@ def _run_with_patched_simulator(
     import cocotb._event_loop
     import cocotb._gpi_triggers
     import cocotb.simtime
+
+    cocotb = cast(Any, cocotb)
     # isort: on
 
     # Save originals