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feat(backend): add opencode ACP (Agent Client Protocol) client

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Adds a minimal but real ACP stack for the opencode process:

- pkg/config: process.args default ["acp"] (opencodeCommand still "opencode")
- internal/process: NewManager(command, args) — exec.Command uses args
- internal/acp (new): NDJSON transport + JSON-RPC client over the existing
  process stdio. Implements initialize / session/new / session/prompt /
  session/cancel. Serves fs/read_text_file and fs/write_text_file from the
  workspace's fs.FileSystem. terminal/* requests get MethodNotFound.
- internal/service/acp_service: per-workspace Client + mutex; starts the
  process on first prompt; transparently re-init on restart.
- internal/api/acp_handler: GET /acp/status, GET /acp/history,
  POST /acp/prompt, POST /acp/cancel.
- internal/model/acp: API DTOs.
- internal/acp/client_test: NDJSON split-lines, request/response correlation,
  notification dispatch, agent-initiated request handling (fs + terminal).

Existing process WS endpoint and Shell subsystem are unchanged.

Conversation: 019f354c-a51b-7ec3-83ad-c647e9b50b19
This commit is contained in:
tao.chen
2026-07-06 11:03:59 +08:00
parent 18cb3a0151
commit 2597d0d60c
17 changed files with 1352 additions and 17 deletions
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internal/api/router.go
+6 -1
View File
@@ -10,7 +10,7 @@ import (
)
// NewRouter builds a Gin engine with all API routes registered.
func NewRouter(workspaces *service.WorkspaceService, files *service.FileService, processes *service.ProcessService, shells *service.ShellService, lg *slog.Logger, ginMode string) *gin.Engine {
func NewRouter(workspaces *service.WorkspaceService, files *service.FileService, processes *service.ProcessService, shells *service.ShellService, acpSvc *service.AcpService, lg *slog.Logger, ginMode string) *gin.Engine {
gin.SetMode(ginMode)
r := gin.New()
r.Use(gin.Recovery())
@@ -20,6 +20,7 @@ func NewRouter(workspaces *service.WorkspaceService, files *service.FileService,
fileHandler := &fileHandler{svc: files}
procHandler := &processHandler{svc: processes}
shellHandler := &shellHandler{svc: shells}
acpHandler := &acpHandler{svc: acpSvc}
r.GET("/healthz", healthHandler)
@@ -48,6 +49,10 @@ func NewRouter(workspaces *service.WorkspaceService, files *service.FileService,
api.POST("/workspaces/:id/shell/restart", shellHandler.restart)
api.GET("/workspaces/:id/shell/status", shellHandler.status)
api.GET("/workspaces/:id/shell/ws", shellHandler.ws)
api.GET("/workspaces/:id/acp/status", acpHandler.status)
api.GET("/workspaces/:id/acp/history", acpHandler.history)
api.POST("/workspaces/:id/acp/prompt", acpHandler.prompt)
api.POST("/workspaces/:id/acp/cancel", acpHandler.cancel)
return r
}