feat(agentic_ark): implement AgenticModel

components/agentic/ark/consts.go

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2026 CloudWeGo Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ark
+
+const implType = "Ark"
+
+type WebSearchAction string
+
+const (
+	WebSearchActionSearch WebSearchAction = "search"
+)
+
+type ServerToolName string
+
+const (
+	ServerToolNameWebSearch ServerToolName = "web_search"
+)
+
+type TextAnnotationType string
+
+const (
+	TextAnnotationTypeURLCitation TextAnnotationType = "url_citation"
+	TextAnnotationTypeDocCitation TextAnnotationType = "doc_citation"
+)
+
+type ThinkingType string
+
+const (
+	ThinkingTypeAuto     ThinkingType = "auto"
+	ThinkingTypeEnabled  ThinkingType = "enabled"
+	ThinkingTypeDisabled ThinkingType = "disabled"
+)
+
+type ResponseStatus string
+
+const (
+	ResponseStatusInProgress ResponseStatus = "in_progress"
+	ResponseStatusCompleted  ResponseStatus = "completed"
+	ResponseStatusIncomplete ResponseStatus = "incomplete"
+	ResponseStatusFailed     ResponseStatus = "failed"
+)
+
+type ServiceTier string
+
+const (
+	ServiceTierAuto    ServiceTier = "auto"
+	ServiceTierDefault ServiceTier = "default"
+)

components/agentic/ark/content_block_extra.go

@@ -0,0 +1,115 @@
+/*
+ * Copyright 2026 CloudWeGo Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ark
+
+import (
+	"reflect"
+
+	"github.com/cloudwego/eino/schema"
+)
+
+type blockExtraItemID string
+type blockExtraItemStatus string
+
+const (
+	videoURLFPS   = "ark-user-input-video-url-fps"
+	itemIDKey     = "ark-item-id"
+	itemStatusKey = "ark-item-status"
+)
+
+func SetUserInputVideoFPS(block *schema.UserInputVideo, fps float64) {
+	setBlockExtraValue(schema.NewContentBlock(block), videoURLFPS, fps)
+}
+
+func GetUserInputVideoFPS(block *schema.UserInputVideo) (float64, bool) {
+	return getBlockExtraValue[float64](schema.NewContentBlock(block), videoURLFPS)
+}
+
+func setItemID(block *schema.ContentBlock, itemID string) {
+	setBlockExtraValue(block, itemIDKey, blockExtraItemID(itemID))
+}
+
+func getItemID(block *schema.ContentBlock) (string, bool) {
+	itemID, ok := getBlockExtraValue[blockExtraItemID](block, itemIDKey)
+	if !ok {
+		return "", false
+	}
+	return string(itemID), true
+}
+
+func setItemStatus(block *schema.ContentBlock, status string) {
+	setBlockExtraValue(block, itemStatusKey, blockExtraItemStatus(status))
+}
+
+func GetItemStatus(block *schema.ContentBlock) (string, bool) {
+	itemStatus, ok := getBlockExtraValue[blockExtraItemStatus](block, itemStatusKey)
+	if !ok {
+		return "", false
+	}
+	return string(itemStatus), true
+}
+
+func setBlockExtraValue[T any](block *schema.ContentBlock, key string, value T) {
+	if block == nil {
+		return
+	}
+	if block.Extra == nil {
+		block.Extra = map[string]any{}
+	}
+	block.Extra[key] = value
+}
+
+func getBlockExtraValue[T any](block *schema.ContentBlock, key string) (T, bool) {
+	var zero T
+	if block == nil {
+		return zero, false
+	}
+	if block.Extra == nil {
+		return zero, false
+	}
+	val, ok := block.Extra[key].(T)
+	if !ok {
+		return zero, false
+	}
+	return val, true
+}
+
+func concatFirstNonZero[T any](chunks []T) (T, error) {
+	for _, chunk := range chunks {
+		if !reflect.ValueOf(chunk).IsZero() {
+			return chunk, nil
+		}
+	}
+	var zero T
+	return zero, nil
+}
+
+func concatFirst[T any](chunks []T) (T, error) {
+	if len(chunks) == 0 {
+		var zero T
+		return zero, nil
+	}
+	return chunks[0], nil
+}
+
+func concatLast[T any](chunks []T) (T, error) {
+	if len(chunks) == 0 {
+		var zero T
+		return zero, nil
+	}
+	return chunks[len(chunks)-1], nil
+}