fix(a2a): type of AgentCard.Security (#535)

Author: meguminnnnnnnnn

a2a/extension/eino/server.go

@@ -71,7 +71,7 @@ type ServerConfig struct {
 	DocumentationURL   string
 	Provider           *models.AgentProvider
 	SecuritySchemes    map[string]*spec.SecurityScheme
-	Security           map[string][]string
+	Security           []map[string][]string
 	DefaultInputModes  []string
 	DefaultOutputModes []string
 	Skills             []models.AgentSkill

a2a/models/card.go

@@ -114,7 +114,7 @@ type AgentCard struct {
 	/** Security scheme details used for authenticating with this agent. */
 	SecuritySchemes map[string]*spec.SecurityScheme `json:"securitySchemes,omitempty"`
 	/** Security requirements for contacting the agent. */
-	Security map[string][]string `json:"security,omitempty"`
+	Security []map[string][]string `json:"security,omitempty"`
 	/**
 	 * The set of interaction modes that the agent supports across all skills. This can be overridden per-skill.
 	 * Supported media types for input.

a2a/server/server.go

@@ -86,7 +86,7 @@ type AgentCardConfig struct {
 	Provider *models.AgentProvider
 
 	SecuritySchemes    map[string]*spec.SecurityScheme
-	Security           map[string][]string
+	Security           []map[string][]string
 	DefaultInputModes  []string
 	DefaultOutputModes []string
 	Skills             []models.AgentSkill