refactor: use go-process daemon types instead of cli

Import daemon types (NewDaemon, DaemonOptions) from the dedicated
go-process package rather than the cli package, completing the
extraction of process management into its own module.

Co-Authored-By: Virgil <virgil@lethean.io>

go.mod

@@ -4,6 +4,7 @@ go 1.26.0
 
 require (
 	forge.lthn.ai/core/go v0.0.0
+	forge.lthn.ai/core/go-process v0.0.0
 	forge.lthn.ai/core/gui v0.0.0
 	github.com/gorilla/websocket v1.5.3
 	github.com/wailsapp/wails/v3 v3.0.0-alpha.64
@@ -64,5 +65,6 @@ require (
 
 replace (
 	forge.lthn.ai/core/go => ../go
+	forge.lthn.ai/core/go-process => ../go-process
 	forge.lthn.ai/core/gui => ../gui
 )

headless.go

@@ -11,8 +11,8 @@ import (
 	"syscall"
 	"time"
 
+	"forge.lthn.ai/core/go-process"
 	"forge.lthn.ai/core/go/pkg/agentci"
-	"forge.lthn.ai/core/go/pkg/cli"
 	"forge.lthn.ai/core/go/pkg/config"
 	"forge.lthn.ai/core/go/pkg/forge"
 	"forge.lthn.ai/core/go/pkg/jobrunner"
@@ -102,7 +102,7 @@ func startHeadless() {
 	})
 
 	// Daemon with PID file and health check
-	daemon := cli.NewDaemon(cli.DaemonOptions{
+	daemon := process.NewDaemon(process.DaemonOptions{
 		PIDFile:    filepath.Join(os.Getenv("HOME"), ".core", "core-ide.pid"),
 		HealthAddr: "127.0.0.1:9878",
 	})