Post-merge comment fixes for project-chip#37207 (project-chip#37358)

Post-merge review highlighted a few more updates. Performed them here.

Author: andy31415

src/app/data-model-provider/Provider.h

@@ -86,14 +86,17 @@ class Provider : public ProviderMetadataTree
     ///    - returning a value other than Success implies an error reply (error and data are mutually exclusive)
     ///
     /// Preconditions:
-    ///    - `request.path` MUST be valid: Invoke` is only guaranteed to function correctly for
-    ///      VALID paths (i.e. use `ProviderMetadataTree::AcceptedCommands` to check). This is
-    ///      because we assume ACL or flags (like timed invoke) have to happen before invoking
-    ///      this command.
+    ///    - `request.path` MUST refer to a command that actually exists.  This is because in practice
+    ///       callers must do ACL and flag checks (e.g. for timed invoke) before calling this function.
+    ///
+    ///       Callers that do not care about those checks should use `ProviderMetadataTree::AcceptedCommands`
+    ///       to check for command existence.
+    ///
     ///    - TODO: as interfaces are updated, we may want to make the above requirement more
     ///            relaxed, as it seems desirable for users of this interface to have guaranteed
-    ///            behavior (like error on invalid paths) where as today this seems unclear as some
-    ///            command intercepts do not validate if the path is valid per endpoints.
+    ///            behavior (like error on invalid paths) whereas today this seems unclear as some
+    ///            command intercepts do not validate that the command is in fact accepted on the
+    ///            endpoint provided.
     ///
     /// Return value expectations:
     ///   - if a response has been placed into `handler` then std::nullopt MUST be returned. In particular

src/data-model-providers/codegen/CodegenDataModelProvider.cpp

@@ -14,7 +14,6 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-#include "data-model-providers/codegen/EmberMetadata.h"
 #include <data-model-providers/codegen/CodegenDataModelProvider.h>
 
 #include <access/AccessControl.h>
@@ -37,6 +36,7 @@
 #include <app/util/endpoint-config-api.h>
 #include <app/util/persistence/AttributePersistenceProvider.h>
 #include <app/util/persistence/DefaultAttributePersistenceProvider.h>
+#include <data-model-providers/codegen/EmberMetadata.h>
 #include <lib/core/CHIPError.h>
 #include <lib/core/DataModelTypes.h>
 #include <lib/support/CodeUtils.h>
@@ -326,8 +326,8 @@ CHIP_ERROR CodegenDataModelProvider::AcceptedCommands(const ConcreteClusterPath
                                                       DataModel::ListBuilder<DataModel::AcceptedCommandEntry> & builder)
 {
     // Some CommandHandlerInterface instances are registered of ALL endpoints, so make sure first that
-    // the cluster actually exists on this endpoint before asking the CommandHandlerInterface whether it
-    // supports the command.
+    // the cluster actually exists on this endpoint before asking the CommandHandlerInterface what commands
+    // it claims to support.
     const EmberAfCluster * serverCluster = FindServerCluster(path);
     VerifyOrReturnError(serverCluster != nullptr, CHIP_ERROR_NOT_FOUND);
 
@@ -410,8 +410,8 @@ CHIP_ERROR CodegenDataModelProvider::GeneratedCommands(const ConcreteClusterPath
                                                        DataModel::ListBuilder<CommandId> & builder)
 {
     // Some CommandHandlerInterface instances are registered of ALL endpoints, so make sure first that
-    // the cluster actually exists on this endpoint before asking the CommandHandlerInterface whether it
-    // supports the command.
+    // the cluster actually exists on this endpoint before asking the CommandHandlerInterface what commands
+    // it claims to support.
     const EmberAfCluster * serverCluster = FindServerCluster(path);
     VerifyOrReturnError(serverCluster != nullptr, CHIP_ERROR_NOT_FOUND);