feat(plugin-sdk): add executable v0alpha2 contracts

uv.lock

@@ -237,6 +237,17 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/b3/38/89ba8ad64ae25be8de66a6d463314cf1eb366222074cfda9ee839c56a4b4/mdurl-0.1.2-py3-none-any.whl", hash = "sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8", size = 9979, upload-time = "2022-08-14T12:40:09.779Z" },
 ]
 
+[[package]]
+name = "missioncore-plugin-sdk"
+version = "0.2.0a2"
+source = { editable = "packages/plugin-sdk" }
+dependencies = [
+    { name = "pydantic" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "pydantic", specifier = ">=2.11,<3" }]
+
 [[package]]
 name = "mypy"
 version = "1.20.2"
@@ -277,6 +288,7 @@ dependencies = [
     { name = "fastapi" },
     { name = "foxglove-sdk" },
     { name = "lz4" },
+    { name = "missioncore-plugin-sdk" },
     { name = "paho-mqtt" },
     { name = "rerun-sdk" },
     { name = "rich" },
@@ -297,6 +309,7 @@ requires-dist = [
     { name = "fastapi", specifier = ">=0.116,<1" },
     { name = "foxglove-sdk", specifier = "==0.25.3" },
     { name = "lz4", specifier = ">=4.4,<5" },
+    { name = "missioncore-plugin-sdk", editable = "packages/plugin-sdk" },
     { name = "paho-mqtt", specifier = ">=2.1,<3" },
     { name = "rerun-sdk", specifier = "==0.34.1" },
     { name = "rich", specifier = ">=13.9,<15" },