feat(config_visibility): [APMAPI-1693] Telemetry for enhanced config reporting

datadog-sidecar-ffi/src/lib.rs

@@ -378,17 +378,20 @@ pub unsafe extern "C" fn ddog_sidecar_telemetry_enqueueConfig(
     config_value: ffi::CharSlice,
     origin: data::ConfigurationOrigin,
     config_id: ffi::CharSlice,
+    seq_id: ffi::Option<u64>,
 ) -> MaybeError {
     let config_id = if config_id.is_empty() {
         None
     } else {
         Some(config_id.to_utf8_lossy().into_owned())
     };
+    let seq_id = seq_id.to_std();
     let config_entry = TelemetryActions::AddConfig(data::Configuration {
         name: config_key.to_utf8_lossy().into_owned(),
         value: config_value.to_utf8_lossy().into_owned(),
         origin,
         config_id,
+        seq_id,
     });
     try_c!(blocking::enqueue_actions(
         transport,

libdd-telemetry-ffi/src/builder.rs

@@ -102,6 +102,7 @@ pub unsafe extern "C" fn ddog_telemetry_builder_with_config(
     value: ffi::CharSlice,
     origin: data::ConfigurationOrigin,
     config_id: ffi::CharSlice,
+    seq_id: ffi::Option<u64>,
 ) -> MaybeError {
     let name = name.to_utf8_lossy().into_owned();
     let value = value.to_utf8_lossy().into_owned();
@@ -110,11 +111,13 @@ pub unsafe extern "C" fn ddog_telemetry_builder_with_config(
     } else {
         Some(config_id.to_utf8_lossy().into_owned())
     };
+    let seq_id = seq_id.to_std();
     builder.configurations.insert(data::Configuration {
         name,
         value,
         origin,
         config_id,
+        seq_id,
     });
     MaybeError::None
 }

libdd-telemetry/src/data/payloads.rs

@@ -26,6 +26,7 @@ pub struct Configuration {
     pub value: String,
     pub origin: ConfigurationOrigin,
     pub config_id: Option<String>,
+    pub seq_id: Option<u64>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Hash, PartialEq, Eq, Clone)]
@@ -39,6 +40,7 @@ pub enum ConfigurationOrigin {
     Default,
     LocalStableConfig,
     FleetStableConfig,
+    Calculated,
 }
 
 #[derive(Serialize, Debug)]