DASpec:genericize synonymous param parsing

include/user/deviceAttachmentSpec.h

@@ -114,6 +114,36 @@ public:
                 + it->second + "' as integer: " + e.what());
         }
     }
+
+    /**
+     * @brief Parse an optional integer parameter from a parameter list using synonyms
+     * @param params The parameter vector to search in
+     * @param synonymNames The collection of synonymous parameter names to try
+     * @param defaultValue The default value to return if no parameter is found
+     * @return The parsed integer value, or defaultValue if none found
+     * @note Synonyms are tried in reverse order; lattermost synonym wins if multiple are present
+     */
+    static int parseOptionalParamAsIntWithSynonyms(
+		const std::vector<std::pair<std::string,std::string>>& params,
+		const std::vector<std::string>& synonymNames,
+		int defaultValue
+		)
+    {
+        // Loop through synonyms in reverse order; lattermost synonym wins.
+        for (auto synIt = synonymNames.rbegin();
+            synIt != synonymNames.rend(); ++synIt)
+        {
+            const auto& paramName = *synIt;
+            try {
+                return parseRequiredParamAsInt(params, paramName);
+            } catch (const std::exception&) {
+                // Parameter not found or parse error, continue to next synonym
+                continue;
+            }
+        }
+
+        return defaultValue;
+    }
 };
 
 class InteroceptorDevAttachmentSpec : public DeviceAttachmentSpec