| 1 | package responses |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "reasonix/internal/provider" |
| 7 | ) |
| 8 | |
| 9 | type responseReasoningSnapshots struct{ items []json.RawMessage } |
| 10 | |
| 11 | func (s *responseReasoningSnapshots) capture(ev sseEvent) { |
| 12 | var candidates []sseItem |
| 13 | if ev.Type == "response.output_item.done" && ev.Item != nil { |
| 14 | candidates = append(candidates, *ev.Item) |
| 15 | } |
| 16 | if ev.Type == "response.completed" && ev.Response != nil { |
| 17 | candidates = append(candidates, ev.Response.Output...) |
| 18 | } |
| 19 | for _, item := range candidates { |
| 20 | if provider.IsReplayableResponsesReasoning(item.Raw) { |
| 21 | s.items = provider.UpsertResponsesItem(s.items, item.Raw) |
| 22 | } |
| 23 | } |
| 24 | } |
| 25 | func (s *responseReasoningSnapshots) emit(ctx context.Context, out chan<- provider.Chunk) bool { |
| 26 | for _, item := range s.items { |
| 27 | if !sendChunk(ctx, out, provider.Chunk{Type: provider.ChunkResponsesItem, ResponsesItem: item}) { |
| 28 | return false |
| 29 | } |
| 30 | } |
| 31 | return true |
| 32 | } |
| 33 | func (s *responseReasoningSnapshots) metadata() (string, string) { |
| 34 | var item sseItem |
| 35 | _ = json.Unmarshal(s.items[len(s.items)-1], &item) |
| 36 | return item.ID, item.Status |
| 37 | } |
| 38 | func appendReasoningItems(input []map[string]any, items []json.RawMessage) ([]map[string]any, bool) { |
| 39 | found := false |
| 40 | for _, raw := range items { |
| 41 | if provider.IsReplayableResponsesReasoning(raw) { |
| 42 | var item map[string]any |
| 43 | if json.Unmarshal(raw, &item) == nil { |
| 44 | input = append(input, item) |
| 45 | found = true |
| 46 | } |
| 47 | } |
| 48 | } |
| 49 | return input, found |
| 50 | } |
| 51 | |
| 52 | func terminalResponseID(event sseEvent) string { |
| 53 | if event.Type == "response.completed" && event.Response != nil { |
| 54 | return event.Response.ID |
| 55 | } |
| 56 | return "" |
| 57 | } |
| 58 | func emitTerminalResponseUsage(ctx context.Context, out chan<- provider.Chunk, event sseEvent) bool { |
| 59 | if event.Response != nil { |
| 60 | |
| 61 | usage := usageFromResponse(event.Response) |
| 62 | provider.ApplyRequestAttemptCount(ctx, usage) |
| 63 | if event.Type == "response.incomplete" { |
| 64 | switch event.Response.IncompleteDetails.Reason { |
| 65 | case "max_output_tokens": |
| 66 | usage.FinishReason = "length" |
| 67 | case "content_filter": |
| 68 | usage.FinishReason = "content_filter" |
| 69 | default: |
| 70 | usage.FinishReason = "incomplete" |
| 71 | } |
| 72 | } else if event.Type == "response.completed" && usage.FinishReason == "" { |
| 73 | // A completed response finished normally (stop). Preserve any |
| 74 | // vendor-specific reason already set by usageFromResponse. |
| 75 | usage.FinishReason = "stop" |
| 76 | } |
| 77 | // Preserve a terminal finish reason even when the provider reports zero |
| 78 | // usage, so reasoning-only completion is not mistaken for an empty reply. |
| 79 | if usage.TotalTokens > 0 || usage.FinishReason != "" { |
| 80 | |
| 81 | if !sendChunk(ctx, out, provider.Chunk{Type: provider.ChunkUsage, Usage: usage}) { |
| 82 | return false |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | return true |
| 88 | } |
| 89 |