Delete internal/multiagent directory

internal/multiagent/gen_model_input.go

@@ -1,23 +0,0 @@
-package multiagent
-
-import (
-	"context"
-
-	"github.com/cloudwego/eino/adk"
-	"github.com/cloudwego/eino/schema"
-)
-
-// literalInstructionGenModelInput passes Instruction through as a system message without
-// FString template formatting. Eino defaultGenModelInput formats instruction whenever
-// SessionValues exist; prompts with literal curly braces (project blackboard "{关系边: ...}",
-// JSON examples, link syntax) then fail with "could not find key".
-//
-// Matches eino/adk/prebuilt/deep genModelInput — the supported fix per Eino docs.
-func literalInstructionGenModelInput(ctx context.Context, instruction string, input *adk.AgentInput) ([]adk.Message, error) {
-	msgs := make([]adk.Message, 0, len(input.Messages)+1)
-	if instruction != "" {
-		msgs = append(msgs, schema.SystemMessage(instruction))
-	}
-	msgs = append(msgs, input.Messages...)
-	return msgs, nil
-}