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codespace/internal/service/acp_service.go
T
tao.chen 789f62669c fix(acp): group agent chunks by messageId (backend) and coalesce consecutive same-role entries in the UI (frontend)
The opencode acp binary streams agent_message_chunk notifications with
an EMPTY messageId. The backend was already correct (it groups when a
messageId is present), but the UI rendered every chunk as its own
bubble, so a single 'count 1 to 5' reply showed as 9 separate bubbles.

Backend:
- internal/acp/history.go: add MessageID to Message; new AppendOrCreate
  method that finds or creates an entry by messageId and appends text
  to it (preserving the original timestamp).
- internal/acp/client.go: agent_message_chunk and user_message_chunk
  use AppendOrCreate.
- internal/model/acp.go: expose MessageID in the wire response.
- internal/service/acp_service.go: copy MessageID into the API DTO.
- internal/acp/client_test.go: add TestHistoryAppendOrCreateGroupsByMessageID.

Frontend:
- web/src/components/acp/groupMessages.ts: new pure helper that
  coalesces consecutive same-role history entries into a single bubble
  (keeps the first chunk's time + messageId).
- web/src/components/acp/AcpPanel.tsx: render coalesced messages;
  auto-scroll effect now depends on coalesced so it fires as the
  agent streams.

Verified via e2e: 'count from 1 to 5' now returns a single agent entry
with text '1\n2\n3\n4\n5' instead of 9 separate entries.
2026-07-06 13:48:56 +08:00

89 lines
2.7 KiB
Go

package service
import (
"log/slog"
"codespace/internal/acp"
"codespace/internal/model"
"codespace/internal/process"
"codespace/internal/workspace"
)
// AcpService wraps the low-level acp.Service with logging and model mapping.
type AcpService struct {
svc acp.Service
lg *slog.Logger
}
// NewAcpService creates an AcpService.
// If lg is nil, slog.Default() is used.
func NewAcpService(processes process.Manager, workspaces workspace.Manager, lg *slog.Logger) *AcpService {
if lg == nil {
lg = slog.Default()
}
return &AcpService{svc: acp.NewService(processes, workspaces, lg), lg: lg}
}
// Status returns the ACP status for the workspace.
func (s *AcpService) Status(workspaceID string) (model.AcpStatusResponse, error) {
status, err := s.svc.Status(workspaceID)
if err != nil {
s.lg.Error("acp status failed", "workspace_id", workspaceID, "error", err)
return model.AcpStatusResponse{}, err
}
return model.AcpStatusResponse{
WorkspaceID: status.WorkspaceID,
Ready: status.Ready,
SessionID: status.SessionID,
Running: status.Running,
PID: status.PID,
Error: status.Error,
}, nil
}
// History returns the ACP conversation history for the workspace.
func (s *AcpService) History(workspaceID string) (model.AcpHistoryResponse, error) {
hist, err := s.svc.History(workspaceID)
if err != nil {
s.lg.Error("acp history failed", "workspace_id", workspaceID, "error", err)
return model.AcpHistoryResponse{}, err
}
messages := make([]model.AcpMessage, len(hist.Messages))
for i, m := range hist.Messages {
messages[i] = model.AcpMessage{Role: m.Role, Text: m.Text, Time: m.Time, MessageID: m.MessageID}
}
return model.AcpHistoryResponse{SessionID: hist.SessionID, Messages: messages}, nil
}
// Prompt sends a prompt to the agent and returns its response.
func (s *AcpService) Prompt(workspaceID string, content string) (model.AcpPromptResponse, error) {
res, err := s.svc.Prompt(workspaceID, content)
if err != nil {
s.lg.Error("acp prompt failed", "workspace_id", workspaceID, "error", err)
return model.AcpPromptResponse{}, err
}
return model.AcpPromptResponse{
SessionID: res.SessionID,
StopReason: res.StopReason,
Text: res.Text,
}, nil
}
// Cancel interrupts an in-flight prompt.
func (s *AcpService) Cancel(workspaceID string) error {
if err := s.svc.Cancel(workspaceID); err != nil {
s.lg.Error("acp cancel failed", "workspace_id", workspaceID, "error", err)
return err
}
return nil
}
// EnsureReady ensures the ACP process is started and initialized.
func (s *AcpService) EnsureReady(workspaceID string) error {
if err := s.svc.EnsureReady(workspaceID); err != nil {
s.lg.Error("acp ensure ready failed", "workspace_id", workspaceID, "error", err)
return err
}
return nil
}