Fix SDK nightly validation, SWIG compatibility, and CI runners

.github/workflows/ci.yml

@@ -42,7 +42,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        # Python 3.9 is available through setup-python on Ubuntu 24.04.
+        os: [ubuntu-24.04, macos-latest, windows-latest]
         python: ["3.9", "3.14"]
         include:
           - python: "3.9"
@@ -111,7 +112,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-24.04, macos-latest, windows-latest]
         python: ["3.9", "3.14"]
         include:
           - python: "3.9"
@@ -149,7 +150,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-24.04, macos-latest, windows-latest]
         python: ["3.9", "3.14"]
         include:
           - python: "3.9"
@@ -234,7 +235,7 @@ jobs:
   rust-msrv:
     name: Rust extension (MSRV)
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@v5
@@ -245,7 +246,7 @@ jobs:
 
       - uses: actions/download-artifact@v7
         with:
-          name: wheel-ubuntu-latest-py3.14
+          name: wheel-ubuntu-24.04-py3.14
           path: dist
 
       - name: Install SDK wheel and read BSK version

AGENTS.md

@@ -184,7 +184,7 @@ contract and the consumer build, not just whether the repository build passes.
 - Version checks must compare Basilisk versions as strings. CMake
   `VERSION_EQUAL` can treat pre-release suffixes incorrectly; use `STREQUAL`
   when validating `bsk-sdk` versus installed `bsk`.
-- SWIG runtime epochs matter. Keep the `swig==4.4.1` dependency, the
+- SWIG runtime epochs matter. Keep the `swig==4.5.1` dependency, the
   pip-installed SWIG discovery, and the SWIG runtime mismatch diagnostics
   aligned with the Basilisk wheel.
 - Do not globally guard all CMake dependency setup. `find_package(SWIG)`,

cmake/bsk_add_swig_module.cmake

@@ -313,7 +313,7 @@ except ImportError:\n\
       "Extensions compiled with this SWIG version cannot exchange objects with "
       "Basilisk across module boundaries.\n"
       "Install a SWIG version whose runtime epoch matches bsk (epoch ${_bsk_rt}):\n"
-      "  SWIG runtime epoch 5 -> SWIG 4.4.1    (pip install \"swig==4.4.1\")\n"
+      "  SWIG runtime epoch 5 -> SWIG 4.5.1    (pip install \"swig==4.5.1\")\n"
       "  SWIG runtime epoch 4 -> SWIG 4.2.x or 4.3.x  (pip install \"swig>=4.2.1,<4.4.0\")"
     )
   endif()

examples/custom-atm-extension/pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["scikit-build-core>=0.9.3", "numpy>=1.24", "bsk-sdk==2.13.0b0", "bsk==2.13.0b0", "swig==4.4.1"]
+requires = ["scikit-build-core>=0.9.3", "numpy>=1.24", "bsk-sdk==2.13.0b0", "bsk==2.13.0b0", "swig==4.5.1"]
 build-backend = "scikit_build_core.build"
 
 [project]

pyproject.toml

@@ -15,10 +15,10 @@ dependencies = [
   # provides a self-contained binary on all platforms and is detected
   # automatically by bsk_add_swig_module.cmake via the Python interpreter.
   #
-  # SWIG 4.4.1+ uses SWIG_RUNTIME_VERSION "5" (epoch 5), which bsk also uses
-  # from 2.10.1 onward. Both bsk and bsk-sdk require >=4.4.1 to stay on epoch 5.
-  # The cmake check in bsk_add_swig_module enforces the match at build time.
-  "swig==4.4.1",
+  # Match the Basilisk wheel's SWIG version for its module-init fragments.
+  # SWIG 4.5.1 uses runtime epoch 5; bsk_add_swig_module checks the epoch
+  # against the installed Basilisk wheel at build time.
+  "swig==4.5.1",
   # Required by generatePayloadMetaJson.py, which parses *Payload.h structs at
   # extension build time to produce the JSON metadata consumed by generateSWIGModules.py.
   "libclang>=15.0.6.1,<=18.1.1",

tests/test_smoke.py

@@ -194,7 +194,13 @@ def test_message_source_keep_alive_support_present() -> None:
 
     messaging_impl = (messaging_dir / "newMessaging.ih").read_text()
     assert "self._install_keepalive(source)" in messaging_impl
-    assert "return self._recorder_with_keepalive(self, timeDiff)" in messaging_impl
+    # Older revisions retain the message directly; gateway-aware revisions
+    # retain its storage owner. Both must call the recorder keep-alive hook.
+    recorder_calls = (
+        "return self._recorder_with_keepalive(self, timeDiff)",
+        "return self._recorder_with_keepalive(self._storage_owner(), timeDiff)",
+    )
+    assert any(call in messaging_impl for call in recorder_calls)
 
     c_wrapper = (
         Path(bsk_sdk.swig_dir())

tests/test_sync_all.py

@@ -154,7 +154,7 @@ def test_update_extension_requirements_pins_build_and_runtime(tmp_path: Path) ->
         "\n".join(
             [
                 "[build-system]",
-                'requires = ["bsk-sdk", "bsk", "swig==4.4.1"]',
+                'requires = ["bsk-sdk", "bsk", "swig==4.5.1"]',
                 "",
                 "[project]",
                 'dependencies = ["bsk>=2.11", "numba"]',
@@ -169,7 +169,7 @@ def test_update_extension_requirements_pins_build_and_runtime(tmp_path: Path) ->
     contents = pyproject.read_text(encoding="utf-8")
     assert contents.count('"bsk==2.12.0b0"') == 2
     assert contents.count('"bsk-sdk==2.12.0b0"') == 1
-    assert '"swig==4.4.1"' in contents
+    assert '"swig==4.5.1"' in contents
     assert '"numba"' in contents