refactor: defer legacy codec retirement and remove obsolete examples (7/8)

.github/scripts/check_sdist.py

@@ -44,6 +44,13 @@ def main(sdist: str) -> None:
     generated = sorted(n for n in names if "node_modules" in n.split("/"))
     if generated:
         problems.append(f"{len(generated)} node_modules entries, e.g. {generated[0]}")
+    stale_builds = sorted(
+        n
+        for n in names
+        if n.startswith(("dimos/message_codegen/build/", "dimos/message_codegen/dist/"))
+    )
+    if stale_builds:
+        problems.append(f"{len(stale_builds)} nested message build entries, e.g. {stale_builds[0]}")
     total_mb = sum(m.size for m in members) / 1e6
     if total_mb > MAX_UNCOMPRESSED_MB:
         problems.append(f"{total_mb:.1f} MB uncompressed exceeds {MAX_UNCOMPRESSED_MB} MB")

dimos/experimental/security_demo/security_module.py

@@ -48,6 +48,7 @@
 
 from dimos_generated.geometry_msgs.msg import Vector3
 
+
 if TYPE_CHECKING:
     from dimos.perception.detection.type.detection2d.bbox import Detection2DBBox
 

docs/development/message-alignment.md

@@ -1,12 +1,11 @@
 # Verify prepared built-in inputs and artifacts
 
-PR1 owns the generic source-package hooks, dependency ownership and pinned source
-preparation. PR2 owns `packages/dimos-generated/custom`, `catalog.json`,
+The published `dimos-cdrgen` package owns generic source-package hooks, dependency
+ownership and source preparation. DimOS owns `packages/dimos-generated/custom`, `catalog.json`,
 `schema-sources.json`, package metadata and thin preparation/release entrypoints.
 There is no committed generated snapshot or bulk upstream catalog.
 
 ```sh skip
-python scripts/prepare_message_parser.py
 python -m scripts.prepare_builtin_sources
 python -m scripts.generate_builtin_messages
 python -m scripts.generate_builtin_messages --check

examples/language-interop/cpp/main.cpp

@@ -1,3 +1,6 @@
+#include <dimos/native/cdr_codec.hpp>
+#include <geometry_msgs/msg/pose_stamped.hpp>
+#include <geometry_msgs/msg/twist.hpp>
 // C++ robot control example
 // Subscribes to robot pose and publishes twist commands
 
@@ -8,15 +11,15 @@
 #include <atomic>
 #include <chrono>
 
-#include <dimos_generated/messages.hpp>
+
 
 class RobotController {
 public:
     RobotController() : lcm_(), running_(true) {}
 
     void onPose(const lcm::ReceiveBuffer* buffer, const std::string&) {
         try {
-        const auto decoded = dimos::cdr::decode<geometry_msgs::msg::PoseStamped>(
+        const auto decoded = dimos::native::cdr_decode<geometry_msgs::msg::PoseStamped>(
             static_cast<const uint8_t*>(buffer->data), buffer->data_size);
         const auto* msg = &decoded;
         const auto& pos = msg->pose.position;
@@ -47,7 +50,7 @@ class RobotController {
                 twist.angular.y = 0;
                 twist.angular.z = std::sin(t) * 0.3;
 
-                const auto bytes = dimos::cdr::encode(twist);
+                const auto bytes = dimos::native::cdr_encode(twist);
                 lcm_.publish("/cmd_vel#geometry_msgs.Twist", bytes.data(), bytes.size());
                 printf("[twist] linear=%.2f angular=%.2f\n", twist.linear.x, twist.angular.z);
                 t += 0.1;