Rename SensorErrorCode to SensorDiagnosticCode in sensors.proto

This commit renames the enum `SensorErrorCode` to `SensorDiagnosticCode`
in the `sensors.proto` file. This change is made to better reflect the
shared usage of this enum for both warnings and errors in microgrid
sensors.

Signed-off-by: Tiyash Basu <[email protected]>

Author: tiyash-basu-frequenz

RELEASE_NOTES.md

@@ -16,6 +16,7 @@
 - Added new message `ElectricalComponentDiagnostic` to represent warnings and errors in microgrid electrical components.
 - The enum `ComponentErrorCode` has now been renamed to `ElectricalComponentDiagnosticCode` to better reflect its shared usage with warnings and errors.
 - Added new message `SensorDiagnostic` to represent warnings and errors in microgrid sensors.
+- The enum `SensorErrorCode` has now been renamed to `SensorDiagnosticCode` to better reflect its shared usage with warnings and errors.
 
 ## Bug Fixes
 

proto/frequenz/api/common/v1/microgrid/sensors/sensors.proto

@@ -158,8 +158,8 @@ message SensorData {
 // !!! example "Typical Sensor Error"
 //     ```json
 //     {
-//       "errorCode":
-//           "SENSOR_ERROR_CODE_INTERNAL",
+//       "diagnosticCode":
+//           "SENSOR_DIAGNOSTIC_CODE_INTERNAL",
 //       "vendorErrorCode": 2003,
 //       "message": "Temperature sensor 3 reported 61.5°C (limit: 60°C)"
 //     }
@@ -171,7 +171,7 @@ message SensorData {
 //     using the vendor's official documentation.
 message SensorDiagnostic {
   // A standardized error code representing the category of the issue.
-  SensorErrorCode error_code = 1;
+  SensorDiagnosticCode diagnostic_code = 1;
 
   // Optional vendor-provided error code for the error, for vendor-specific
   // insights or more granular diagnostics.
@@ -219,17 +219,18 @@ enum SensorStateCode {
   SENSOR_STATE_CODE_ERROR = 2;
 }
 
-// A representation of all possible errors that can occur in sensors.
-enum SensorErrorCode {
+// A representation of all possible warnings and errors that can occur in
+// sensors.
+enum SensorDiagnosticCode {
   // Default value. No specific error is specified.
-  SENSOR_ERROR_CODE_UNSPECIFIED = 0;
+  SENSOR_DIAGNOSTIC_CODE_UNSPECIFIED = 0;
 
   // The sensor is reporting an unknown or an undefined error, and the sender
   // cannot parse the sensor error to any of the variants below.
-  SENSOR_ERROR_CODE_UNKNOWN = 1;
+  SENSOR_DIAGNOSTIC_CODE_UNKNOWN = 1;
 
   // Error indicating an internal error within the sensor.
-  SENSOR_ERROR_CODE_INTERNAL = 2;
+  SENSOR_DIAGNOSTIC_CODE_INTERNAL = 2;
 }
 
 // Representation of a sampled sensor metric along with its value.