config: add languages capability

Signed-off-by: caozhuozi <[email protected]>

Author: caozhuozi

docs/config.md

@@ -144,6 +144,10 @@ The following terms are used in this section:
 
     Whether the model can use external tools or APIs to perform tasks.
 
+  - **languages** _array of string_, OPTIONAL
+
+    What languages can the model speak. Encoded as [ISO 639][iso-639] two letter codes.
+
 ## Example
 
 Here is an example model artifact configuration JSON document:
@@ -184,7 +188,8 @@ Here is an example model artifact configuration JSON document:
       ],
       "knowledgeCutoff": "2024-05-21T00:00:00Z",
       "reasoning": true,
-      "toolUsage": false
+      "toolUsage": false,
+      "languages": ["en", "zh"]
     }
   },
   "modelfs": {
@@ -200,3 +205,4 @@ Here is an example model artifact configuration JSON document:
 [oci-media-type]: https://github.com/opencontainers/image-spec/blob/main/descriptor.md#properties
 [rfc3339-s5.6]: https://tools.ietf.org/html/rfc3339#section-5.6
 [spdx-license-expression]: https://spdx.github.io/spdx-spec/v2.3/SPDX-license-expressions/
+[iso-639]: https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes

specs-go/v1/config.go

@@ -123,6 +123,10 @@ type ModelCapabilities struct {
 	// ToolUsage indicates whether the model can use external tools
 	// such as a calculator, a search engine, etc.
 	ToolUsage *bool `json:"toolUsage,omitempty"`
+
+	// Language indicates the languages that the model can speak.
+	// Encoded as ISO 639 two letter codes. For example, ["en", "fr", "zh"].
+	Languages []string `json:"languages,omitempty"`
 }
 
 // Model defines the basic information of a model.