feat(mavlink): adopt the kaptan-native dialect

firmware/libs/kaptan-mavlink/definitions/publish/error.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<mavlink>
+  <version>3</version>
+  <dialect>0</dialect>
+  <messages>
+    <message id="51021" name="ERROR">
+      <description>Reportable firmware error emitted when an Err leaves an annotated reporting point. This is distinct from every logging macro, which emits LOG. The stable ID is explicitly assigned to the Rust error variant. Protocol failures remain authoritative in their owning response.</description>
+      <field type="uint16_t" name="error_id">Stable explicitly assigned error catalog ID. Zero is reserved.</field>
+      <field type="uint8_t[96]" name="raised_at">Zero-padded compile-time file:line of the reporting point.</field>
+    </message>
+  </messages>
+</mavlink>