Wire the squad native adapter instead of the core registration

Why: Backend has to keep the same squad runs after the core stopped importing agent-native. The adapter module owns the concrete client.
Evidence: GOWORK=off go test -count=1 ./internal/... passed.
Impact: AgentNativeOptions now returns the adapter config. Default roles still use the agent-system backend.
Refs: D1
Co-authored-by: Cursor <cursoragent@cursor.com>

go.mod

@@ -6,17 +6,19 @@ require (
 	agent-command v0.0.0
 	agent-intent v0.0.0
 	agent-native v0.0.0
-	agent-squad v0.0.0-00010101000000-000000000000
+	agent-squad v0.0.0
+	agent-squad/adapters/native v0.0.0
 	agent-system-core v0.0.0
+	error-code-system v0.0.0
 	github.com/jackc/pgx/v5 v5.9.2
 	github.com/ledongthuc/pdf v0.0.0-20260907135840-6c8c28e0e8a0
 	github.com/redis/go-redis/v9 v9.14.0
 	golang.org/x/crypto v0.56.0
+	logging-system v0.0.0
 	modernc.org/sqlite v1.60.1
 )
 
 require (
-	error-code-system v0.0.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
@@ -30,7 +32,6 @@ require (
 	golang.org/x/sync v0.23.0 // indirect
 	golang.org/x/sys v0.48.0 // indirect
 	golang.org/x/text v0.41.0 // indirect
-	logging-system v0.0.0 // indirect
 	modernc.org/libc v1.77.1 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.12.1 // indirect
@@ -40,6 +41,8 @@ replace agent-intent => ./deps/agent-intent
 
 replace agent-squad => ./deps/agent-squad
 
+replace agent-squad/adapters/native => ./deps/agent-squad/adapters/native
+
 replace agent-native => ./deps/agent-native
 
 replace agent-system-core => ./deps/agent-system-core

internal/app/app.go

@@ -26,7 +26,7 @@ import (
 	agentllm "agent-native/runtime/llm"
 	agentmcp "agent-native/runtime/mcp"
 	agenttools "agent-native/runtime/tools"
-	squad "agent-squad/squad"
+	nativeadp "agent-squad/adapters/native"
 	"agent-system-backend/internal/bus"
 	"agent-system-backend/internal/cardsvc"
 	"agent-system-backend/internal/cmdbus"
@@ -142,13 +142,13 @@ func Run(opt Options) error {
 	// 模型走 settings.models.chat 同一路由；搜索/解释器/MCP/技能根复用产品配置；
 	// 委派桥接产品 SpawnSubagent。主模型未配置时返回未启用（不阻塞产品）。
 	var pluginHost *plugins.Host
-	squadadapter.AgentNativeOptions = func(rc squadadapter.Ctx) (squad.AgentNativeConfig, bool) {
+	squadadapter.AgentNativeOptions = func(rc squadadapter.Ctx) (nativeadp.Config, bool) {
 		effNow := setSvc.Effective(store.OwnerDefault, "")
 		route := runtime.ResolveChatModel(core.AgentProfile{}, effNow)
 		if route.Model == "" || route.Base == "" {
-			return squad.AgentNativeConfig{}, false
+			return nativeadp.Config{}, false
 		}
-		cfg := squad.AgentNativeConfig{
+		cfg := nativeadp.Config{
 			Client:       &agentllm.Client{BaseURL: route.Base, APIKey: route.Key, HTTPClient: &http.Client{}},
 			DefaultModel: route.Model,
 			MaxTurns:     0,

internal/runtime/squad_runner.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"strings"
 
-	"agent-native/exec"
 	agentllm "agent-native/runtime/llm"
 	"agent-squad/squad"
 	"agent-system-backend/internal/squadadapter"
@@ -34,7 +33,7 @@ func (s *SquadRunner) Execute(rc RunCtx) error {
 	var streamed strings.Builder
 	var toolParts []core.Part
 	textIdx := 0
-	onEvent := func(ev exec.ProcessEvent) {
+	onEvent := func(ev squad.ProcessEvent) {
 		switch ev.Type {
 		case "text_delta":
 			if ev.Text == "" {

internal/squadadapter/adapter.go

@@ -17,8 +17,8 @@ import (
 	"path/filepath"
 	"strings"
 
-	"agent-native/exec"
 	"agent-native/runtime/subagent"
+	nativeadp "agent-squad/adapters/native"
 	"agent-squad/squad"
 	"agent-system-backend/internal/quality"
 	core "agent-system-core"
@@ -171,7 +171,7 @@ func profileForRole(role string) string {
 	}
 }
 
-func (b *stepBackend) Execute(ctx context.Context, req exec.Request) (*exec.Result, error) {
+func (b *stepBackend) Execute(ctx context.Context, req squad.ExecRequest) (*squad.ExecResult, error) {
 	task := strings.TrimSpace(req.Prompt)
 	if task == "" {
 		task = req.Instructions
@@ -187,7 +187,7 @@ func (b *stepBackend) Execute(ctx context.Context, req exec.Request) (*exec.Resu
 	} else {
 		out, err = b.rc.SpawnSubagent(name, task, hint)
 	}
-	res := &exec.Result{Success: err == nil, Logs: firstNonEmpty(out.Summary, "子代理完成")}
+	res := &squad.ExecResult{Success: err == nil, Logs: firstNonEmpty(out.Summary, "子代理完成")}
 	if err != nil {
 		res.ErrorReason = err.Error()
 		return res, nil
@@ -290,7 +290,7 @@ func isHoldStatus(s string) bool {
 // AgentNativeOptions 可选组合根注入：返回配置且启用时，为每次小队运行注册
 // "agent-native" 内核后端工厂（模型/搜索/执行/MCP/技能根由组合根从 settings
 // 解析；Subagent 工厂经 rc 桥接产品 SpawnSubagent）。
-var AgentNativeOptions func(rc Ctx) (squad.AgentNativeConfig, bool)
+var AgentNativeOptions func(rc Ctx) (nativeadp.Config, bool)
 
 // SubagentFactory 把内核委派端口（delegate_task）桥接到产品 SpawnSubagent：
 // 委派信息集（目标/输入/写范围/非目标/完成判据/交付物）拼装为任务书，
@@ -334,12 +334,12 @@ func SubagentFactory(rc Ctx) subagent.Factory {
 // 不因工厂注册而切换（对齐 parity 渐进启用条款）。
 func buildBackends(rc Ctx) *squad.BackendResolver {
 	backends := squad.NewBackendResolver()
-	backends.Register("agent-system", func(role squad.RoleSpec) (exec.Backend, error) {
+	backends.Register("agent-system", func(role squad.RoleSpec) (squad.Executor, error) {
 		return &stepBackend{rc: rc, role: role}, nil
 	})
 	if AgentNativeOptions != nil {
 		if cfg, ok := AgentNativeOptions(rc); ok {
-			backends.RegisterAgentNativeFull(cfg)
+			nativeadp.RegisterFull(backends, cfg)
 		}
 	}
 	return backends

internal/squadadapter/adapter_test.go

@@ -6,7 +6,6 @@ import (
 	"strings"
 	"testing"
 
-	"agent-native/exec"
 	"agent-native/runtime/subagent"
 	"agent-squad/squad"
 	core "agent-system-core"
@@ -145,7 +144,7 @@ func TestStepRoleMapsToProfile(t *testing.T) {
 	for _, tc := range cases {
 		rc := &agentFakeRc{subagentFakeRc: subagentFakeRc{payload: core.AgentResultPayload{Text: "ok"}}}
 		b := &stepBackend{rc: rc, role: squad.RoleSpec{Role: tc.role, Name: "显示名"}}
-		res, err := b.Execute(context.Background(), exec.Request{Prompt: "做这件事", WorkDir: dir, Targets: []string{"output.md"}})
+		res, err := b.Execute(context.Background(), squad.ExecRequest{Prompt: "做这件事", WorkDir: dir, Targets: []string{"output.md"}})
 		if err != nil || !res.Success {
 			t.Fatalf("%s: %+v %v", tc.role, res, err)
 		}
@@ -155,7 +154,7 @@ func TestStepRoleMapsToProfile(t *testing.T) {
 	}
 	plain := &subagentFakeRc{payload: core.AgentResultPayload{Text: "ok"}}
 	b := &stepBackend{rc: plain, role: squad.RoleSpec{Role: "writer", Name: "撰稿"}}
-	if _, err := b.Execute(context.Background(), exec.Request{Prompt: "写", WorkDir: dir}); err != nil {
+	if _, err := b.Execute(context.Background(), squad.ExecRequest{Prompt: "写", WorkDir: dir}); err != nil {
 		t.Fatal(err)
 	}
 	if plain.gotName != "撰稿" {

internal/squadadapter/entry.go

@@ -7,9 +7,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	"agent-native/exec"
 	agentllm "agent-native/runtime/llm"
 	"agent-native/runtime/tools"
+	nativeadp "agent-squad/adapters/native"
 	"agent-squad/squad"
 	"agent-system-backend/internal/quality"
 )
@@ -19,7 +19,7 @@ type EntryOptions struct {
 	DataDir      string
 	Goal         string
 	HostTools    []tools.Tool
-	OnEvent      func(ev exec.ProcessEvent)
+	OnEvent      func(ev squad.ProcessEvent)
 	Stream       agentllm.StreamFunc
 	Router       squad.Router
 	Checker      squad.Checker
@@ -43,7 +43,7 @@ func RunEntry(rc Ctx, opt EntryOptions) (EntryResult, error) {
 	if strings.TrimSpace(opt.Goal) == "" {
 		return EntryResult{}, fmt.Errorf("squad entry: goal text is empty")
 	}
-	cfg, enabled := squad.AgentNativeConfig{}, false
+	cfg, enabled := nativeadp.Config{}, false
 	if AgentNativeOptions != nil {
 		cfg, enabled = AgentNativeOptions(rc)
 	}
@@ -84,7 +84,7 @@ func RunEntry(rc Ctx, opt EntryOptions) (EntryResult, error) {
 		}
 	}
 	backends := buildBackends(rc)
-	backends.RegisterAgentNativeFull(cfg)
+	nativeadp.RegisterFull(backends, cfg)
 
 	checker := opt.Checker
 	if checker == nil {