buildSession converts an OpenAI-style message history into a docker-agent session. System messages are added as system context, prior user/ assistant/tool turns are replayed verbatim so the agent sees the full conversation, and the latest user message becomes the prompt. Tool approval and non-inter
(messages []ChatCompletionMessage)
| 65 | // Returns nil when the history contains no usable user message, in which |
| 66 | // case the caller should reject the request. |
| 67 | func buildSession(messages []ChatCompletionMessage) *session.Session { |
| 68 | sess := session.New( |
| 69 | session.WithToolsApproved(true), |
| 70 | session.WithNonInteractive(true), |
| 71 | ) |
| 72 | |
| 73 | hasUser := false |
| 74 | for _, m := range messages { |
| 75 | role := strings.ToLower(strings.TrimSpace(m.Role)) |
| 76 | if len(m.Parts) > 0 && (role == "" || (role != "system" && role != "assistant" && role != "tool")) { |
| 77 | // Multi-part content: route through chat.MultiContent so the |
| 78 | // runtime/provider sees image parts. Only user-style messages |
| 79 | // support images today. |
| 80 | parts := convertParts(m.Parts) |
| 81 | if len(parts) == 0 { |
| 82 | continue |
| 83 | } |
| 84 | sess.AddMessage(&session.Message{Message: chat.Message{ |
| 85 | Role: chat.MessageRoleUser, |
| 86 | Content: m.Content, |
| 87 | MultiContent: parts, |
| 88 | }}) |
| 89 | hasUser = true |
| 90 | continue |
| 91 | } |
| 92 | |
| 93 | content := m.Content |
| 94 | if strings.TrimSpace(content) == "" { |
| 95 | continue |
| 96 | } |
| 97 | switch role { |
| 98 | case "system": |
| 99 | sess.AddMessage(session.SystemMessage(content)) |
| 100 | case "assistant": |
| 101 | sess.AddMessage(&session.Message{Message: chat.Message{ |
| 102 | Role: chat.MessageRoleAssistant, |
| 103 | Content: content, |
| 104 | }}) |
| 105 | case "tool": |
| 106 | sess.AddMessage(&session.Message{Message: chat.Message{ |
| 107 | Role: chat.MessageRoleTool, |
| 108 | Content: content, |
| 109 | ToolCallID: m.ToolCallID, |
| 110 | }}) |
| 111 | default: |
| 112 | // user, developer, or any other role: feed it to the agent |
| 113 | // as user input rather than rejecting the request. |
| 114 | sess.AddMessage(session.UserMessage(content)) |
| 115 | hasUser = true |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | if !hasUser { |
| 120 | return nil |
| 121 | } |
| 122 | return sess |
| 123 | } |
| 124 |