diff --git a/internal/app/role_provider_test.go b/internal/app/role_provider_test.go
index aaef150..a1e3039 100644
--- a/internal/app/role_provider_test.go
+++ b/internal/app/role_provider_test.go
@@ -1,6 +1,7 @@
 package app
 
 import (
+	"agent-system-backend/internal/authz/catalog"
 	"context"
 	"errors"
 	"testing"
@@ -53,16 +54,33 @@ func TestRoleProviderReturnsVersionedNonSecretPolicy(t *testing.T) {
 		t.Fatalf("snapshot=%+v", snapshot)
 	}
 	permission := snapshot.Permissions["project.create"]
-	if len(snapshot.Permissions) != 1 || !permission.Allowed || !permission.CapAllowed {
+	if !permission.Allowed || !permission.CapAllowed {
 		t.Fatalf("permissions=%+v", snapshot.Permissions)
 	}
+	// 「项目管理」一个开关即带出项目内工作默认；三权与知识发布不在其中。
+	for _, actionID := range catalog.ProjectManagementImpliedActions() {
+		row, ok := snapshot.Permissions[actionID]
+		if !ok || !row.Allowed || !row.CapAllowed {
+			t.Fatalf("implied %s missing: %+v", actionID, snapshot.Permissions)
+		}
+	}
+	for _, duty := range []string{"document.review", "document.approve", "document.publish", "document.duties.assign", "knowledge.publish"} {
+		if row, ok := snapshot.Permissions[duty]; ok && row.Allowed {
+			t.Fatalf("duty %s implied: %+v", duty, snapshot.Permissions)
+		}
+	}
 	decision, err := provider.CheckRoleAction(context.Background(), alice.ID, "project.create")
 	if err != nil || !decision.Allowed || !decision.CapAllowed || decision.RoleID != role.RoleID {
 		t.Fatalf("decision=%+v err=%v", decision, err)
 	}
-	legacy, err := provider.CheckRoleAction(context.Background(), alice.ID, "document.read")
-	if err != nil || legacy.Allowed || legacy.Reason != "action-unconfigured" {
-		t.Fatalf("non-project role action=%+v err=%v", legacy, err)
+	// 项目内工作动作随「项目管理」默认放行；三权仍按未配置处理。
+	implied, err := provider.CheckRoleAction(context.Background(), alice.ID, "document.read")
+	if err != nil || !implied.Allowed || !implied.CapAllowed {
+		t.Fatalf("implied project action=%+v err=%v", implied, err)
+	}
+	duty, err := provider.CheckRoleAction(context.Background(), alice.ID, "document.publish")
+	if err != nil || duty.Allowed || duty.Reason != "action-unconfigured" {
+		t.Fatalf("duty action=%+v err=%v", duty, err)
 	}
 	systemProvider, ok := any(h).(extension.SystemActionProvider)
 	if !ok {
@@ -128,14 +146,22 @@ func TestRolePolicyAdminUsesBoundActorAndStableOwnerCompatibility(t *testing.T)
 	if err != nil {
 		t.Fatal(err)
 	}
-	if _, err := admin.SetRolePermission(context.Background(), role.RoleID, "document.read", true, true, "legacy-action"); !errors.Is(err, store.ErrInvalidRolePolicy) {
-		t.Fatalf("non-project role action accepted: %v", err)
+	// 系统范围动作仍然拒绝；项目范围动作随职位定义。
+	if _, err := admin.SetRolePermission(context.Background(), role.RoleID, "system.settings.write", true, true, "legacy-action"); !errors.Is(err, store.ErrInvalidRolePolicy) {
+		t.Fatalf("system role action accepted: %v", err)
 	}
 	role, err = admin.SetRolePermission(context.Background(), role.RoleID, "project.create", true, true, "project-access")
 	access := role.Permissions["project.create"]
-	if err != nil || len(role.Permissions) != 1 || !access.Allowed || !access.CapAllowed {
+	if err != nil || !access.Allowed || !access.CapAllowed {
 		t.Fatalf("role=%+v err=%v", role, err)
 	}
+	role, err = admin.SetRolePermission(context.Background(), role.RoleID, "document.read", true, true, "project-scope")
+	if err != nil {
+		t.Fatalf("project scope action: %v", err)
+	}
+	if read := role.Permissions["document.read"]; !read.Allowed || !read.CapAllowed {
+		t.Fatalf("project scope permissions=%+v", role.Permissions)
+	}
 	binding, err := admin.AssignRoleByOwner(context.Background(), "alice", role.RoleID, "legacy-assign")
 	if err != nil || binding.RoleID != role.RoleID {
 		t.Fatalf("binding=%+v err=%v", binding, err)
diff --git a/internal/authz/catalog/catalog.go b/internal/authz/catalog/catalog.go
index 1c1915c..6185b6d 100644
--- a/internal/authz/catalog/catalog.go
+++ b/internal/authz/catalog/catalog.go
@@ -96,3 +96,31 @@ func IsProjectCreateLinkedAction(id string) bool {
 	}
 	return false
 }
+
+// projectManagementImpliedActions 是「项目管理」蕴含的项目内工作默认：拿到项目管理的
+// 账号在自己参与的项目里可以直接读写文档、管成员、看追溯、推进阶段。三权与知识发布
+// （document.review/approve/publish/duties.assign、knowledge.publish）不在其中——它们
+// 仍按项目内的职责分配与三权约束判定。
+var projectManagementImpliedActions = []string{
+	"document.read",
+	"document.author",
+	"project.stage.advance",
+	"project.archive",
+	"project.audit.read",
+	"trace.edit",
+}
+
+// ProjectManagementImpliedActions 返回「项目管理」开启时随角色投影的项目内默认动作。
+func ProjectManagementImpliedActions() []string {
+	return append([]string(nil), projectManagementImpliedActions...)
+}
+
+// IsProjectManagementImpliedAction 报告该动作是否随「项目管理」默认放行。
+func IsProjectManagementImpliedAction(id string) bool {
+	for _, action := range projectManagementImpliedActions {
+		if action == id {
+			return true
+		}
+	}
+	return false
+}
diff --git a/internal/server/explain_test.go b/internal/server/explain_test.go
index 5dd65e1..207eab6 100644
--- a/internal/server/explain_test.go
+++ b/internal/server/explain_test.go
@@ -161,17 +161,22 @@ func TestMemberBasicCollaborateAndDocumentQualifyOverHTTP(t *testing.T) {
 			t.Fatalf("%s=%+v want %+v", actionID, duty, want)
 		}
 	}
-	// Member content is refused at the policy endpoint instead of being stored.
+	// 三权动作是项目范围动作：现在随职位定义，并立刻成为默认值。
 	role := decodeRoleHTTP(t, do(h, "POST", "/api/admin/roles", `{"name":"文档职责"}`, admin))
-	refused := do(h, "PUT", "/api/admin/roles/"+role.RoleID+"/permissions",
+	accepted := do(h, "PUT", "/api/admin/roles/"+role.RoleID+"/permissions",
 		`{"expectedRoleVersion":1,"idempotencyKey":"duty-policy","changes":[{"actionId":"document.author","allowed":true,"capAllowed":true}]}`, admin)
+	if accepted.Code != http.StatusOK {
+		t.Fatalf("document duty rejected: %d %s", accepted.Code, accepted.Body.String())
+	}
+	// 系统范围动作仍然整批拒绝，角色保持原样。
+	refused := do(h, "PUT", "/api/admin/roles/"+role.RoleID+"/permissions",
+		`{"expectedRoleVersion":2,"idempotencyKey":"system-policy","changes":[{"actionId":"system.settings.write","allowed":true,"capAllowed":true}]}`, admin)
 	if refused.Code != http.StatusBadRequest {
-		t.Fatalf("document duty accepted: %d %s", refused.Code, refused.Body.String())
+		t.Fatalf("system row accepted: %d %s", refused.Code, refused.Body.String())
 	}
-	// The refused batch left the role untouched: same version, no permissions.
 	stored := decodeRoleProjectAccess(t, do(h, "GET", "/api/admin/roles/"+role.RoleID, "", admin))
-	if stored.RoleVersion != 1 || stored.ProjectAccess || len(stored.Permissions) != 0 {
-		t.Fatalf("refused duty row changed the role: %+v", stored)
+	if stored.RoleVersion != 2 || stored.ProjectAccess || len(stored.Permissions) != 1 || stored.Permissions[0].ActionID != "document.author" {
+		t.Fatalf("refused system row changed the role: %+v", stored)
 	}
 }
 
diff --git a/internal/server/project_iam_integration_test.go b/internal/server/project_iam_integration_test.go
index 58b9c8c..805d32b 100644
--- a/internal/server/project_iam_integration_test.go
+++ b/internal/server/project_iam_integration_test.go
@@ -638,9 +638,19 @@ func TestProjectIAMCapabilityExplainCreatorAndMember(t *testing.T) {
 		t.Fatalf("linked cap accepted: %v", err)
 	}
 	permissions, err := f.st.RolePermissions(capped.RoleID)
-	if err != nil || len(permissions) != 1 || !permissions[0].Allowed || !permissions[0].CapAllowed {
+	if err != nil {
+		t.Fatal(err)
+	}
+	byAction := map[string]store.RolePermissionRecord{}
+	for _, permission := range permissions {
+		byAction[permission.ActionID] = permission
+	}
+	if !byAction["project.create"].Allowed || !byAction["project.create"].CapAllowed {
 		t.Fatalf("refused cap changed the role: %+v err=%v", permissions, err)
 	}
+	if row := byAction["project.members.manage"]; row.Allowed {
+		t.Fatalf("refused cap persisted: %+v", permissions)
+	}
 	if role, err := f.st.GetRole(capped.RoleID); err != nil || role.RoleVersion != receipt.RoleVersion {
 		t.Fatalf("refused cap bumped the role version: %+v err=%v", role, err)
 	}
diff --git a/internal/server/role_authorization_test.go b/internal/server/role_authorization_test.go
index 55cfb61..ff50088 100644
--- a/internal/server/role_authorization_test.go
+++ b/internal/server/role_authorization_test.go
@@ -87,13 +87,12 @@ func TestProjectCreateIsTheOnlyRolePolicyOverHTTP(t *testing.T) {
 	const enableCreate = `{"actionId":"project.create","allowed":true,"capAllowed":true}`
 	const denyLinked = `{"actionId":"project.members.manage","allowed":false,"capAllowed":false}`
 
-	// A batch that enables project.create and explicitly denies a linked
-	// own-project action is refused as a whole: the linked action is not role
-	// authority any more, so nothing in that batch is written.
+	// 系统范围动作仍然整批拒绝；项目范围动作（linked 的管理动作）现在随职位定义。
+	// 开启项目准入时不得在同一职位收回 linked 管理动作（既有不变量）。
 	both := do(h, "PUT", permissions,
 		`{"expectedRoleVersion":1,"idempotencyKey":"create-and-deny-linked","changes":[`+enableCreate+`,`+denyLinked+`]}`, admin)
 	if both.Code != http.StatusBadRequest {
-		t.Fatalf("linked deny accepted beside create: %d %s", both.Code, both.Body.String())
+		t.Fatalf("linked deny beside create: %d %s", both.Code, both.Body.String())
 	}
 	stale := do(h, "PUT", permissions,
 		`{"expectedRoleVersion":9,"idempotencyKey":"create-stale","changes":[`+enableCreate+`]}`, admin)
@@ -115,14 +114,26 @@ func TestProjectCreateIsTheOnlyRolePolicyOverHTTP(t *testing.T) {
 	}
 	requireRoleProjectAccess(t, roleView(), 2, true)
 
+	// 项目范围动作（document.read）可以与项目准入并存；系统范围动作整批拒绝。
+	projectRead := do(h, "PUT", permissions,
+		`{"expectedRoleVersion":2,"idempotencyKey":"create-and-read","changes":[{"actionId":"document.read","allowed":true,"capAllowed":true}]}`, admin)
+	if projectRead.Code != http.StatusOK {
+		t.Fatalf("project read beside create: %d %s", projectRead.Code, projectRead.Body.String())
+	}
+	bothSystem := do(h, "PUT", permissions,
+		`{"expectedRoleVersion":3,"idempotencyKey":"create-and-system","changes":[{"actionId":"system.settings.write","allowed":true,"capAllowed":true}]}`, admin)
+	if bothSystem.Code != http.StatusBadRequest {
+		t.Fatalf("system row accepted: %d %s", bothSystem.Code, bothSystem.Body.String())
+	}
+
 	// Split across two submissions the linked deny is refused on its own, so the
 	// role keeps the project.create policy the first submission wrote.
 	denyLater := do(h, "PUT", permissions,
-		`{"expectedRoleVersion":2,"idempotencyKey":"deny-linked-later","changes":[`+denyLinked+`]}`, admin)
+		`{"expectedRoleVersion":3,"idempotencyKey":"deny-linked-later","changes":[`+denyLinked+`]}`, admin)
 	if denyLater.Code != http.StatusBadRequest {
 		t.Fatalf("linked deny accepted in a later batch: %d %s", denyLater.Code, denyLater.Body.String())
 	}
-	requireRoleProjectAccess(t, roleView(), 2, true)
+	requireRoleProjectAccess(t, roleView(), 3, true)
 
 	assign := do(h, "PUT", "/api/admin/users/"+creator.ID+"/role",
 		`{"roleId":"`+role.RoleID+`","expectedStateVersion":`+strconv.FormatInt(creator.StateVersion, 10)+`,"idempotencyKey":"assign-creator"}`, admin)
@@ -456,13 +467,17 @@ func TestLegacyRoleRowsDoNotAuthorizeSystemActionsOrAccess(t *testing.T) {
 	roleRec := do(h, "GET", "/api/admin/roles/"+roleID, "", superAdmin)
 	requireRoleProjectAccess(t, roleRec, 1, false)
 	list := do(h, "GET", "/api/admin/roles", "", superAdmin)
+	// 系统范围旧行仍不对外暴露；项目范围旧行现在作为职位默认值投影。
 	for _, body := range []string{roleRec.Body.String(), list.Body.String()} {
-		for _, actionID := range []string{"system.settings", "system.users", "system.roles", "document.read"} {
+		for _, actionID := range []string{"system.settings", "system.users", "system.roles"} {
 			if strings.Contains(body, actionID) {
 				t.Fatalf("role API exposed legacy %s: %s", actionID, body)
 			}
 		}
 	}
+	if !strings.Contains(roleRec.Body.String(), "document.read") {
+		t.Fatalf("project scope legacy row hidden: %s", roleRec.Body.String())
+	}
 
 	legacy("project.create", true, true)
 	if rec := bearerRequest(h, "POST", "/api/projects", `{"name":"旧行允许项目"}`, key); rec.Code != http.StatusOK {
@@ -562,7 +577,7 @@ func TestBatchRolePermissionPatchOverHTTP(t *testing.T) {
 	for _, role := range []roleHTTPView{first, second} {
 		rec := do(h, "GET", "/api/admin/roles/"+role.RoleID, "", admin)
 		view := decodeRoleProjectAccess(t, rec)
-		if view.RoleVersion != 2 || !view.ProjectAccess || len(view.Permissions) != 1 {
+		if view.RoleVersion != 2 || !view.ProjectAccess || !hasRolePermission(view.Permissions, "project.create") {
 			t.Fatalf("stale batch wrote %s: %+v", role.RoleID, view)
 		}
 	}
diff --git a/internal/server/roles_test.go b/internal/server/roles_test.go
index 05dcd5c..7f3e41d 100644
--- a/internal/server/roles_test.go
+++ b/internal/server/roles_test.go
@@ -89,14 +89,25 @@ func TestRoleHTTPCreateSearchPatchPermissionAndAssignment(t *testing.T) {
 	}
 }
 
+type rolePermissionHTTPView struct {
+	ActionID   string `json:"actionId"`
+	Allowed    bool   `json:"allowed"`
+	CapAllowed bool   `json:"capAllowed"`
+}
+
 type roleProjectAccessHTTPView struct {
-	RoleVersion   int64 `json:"roleVersion"`
-	ProjectAccess bool  `json:"projectAccess"`
-	Permissions   []struct {
-		ActionID   string `json:"actionId"`
-		Allowed    bool   `json:"allowed"`
-		CapAllowed bool   `json:"capAllowed"`
-	} `json:"permissions"`
+	RoleVersion   int64                    `json:"roleVersion"`
+	ProjectAccess bool                     `json:"projectAccess"`
+	Permissions   []rolePermissionHTTPView `json:"permissions"`
+}
+
+func hasRolePermission(permissions []rolePermissionHTTPView, actionID string) bool {
+	for _, permission := range permissions {
+		if permission.ActionID == actionID {
+			return permission.Allowed && permission.CapAllowed
+		}
+	}
+	return false
 }
 
 func decodeRoleProjectAccess(t *testing.T, rec *httptest.ResponseRecorder) roleProjectAccessHTTPView {
@@ -108,20 +119,28 @@ func decodeRoleProjectAccess(t *testing.T, rec *httptest.ResponseRecorder) roleP
 	return view
 }
 
-// requireRoleProjectAccess asserts the role endpoint exposes exactly the
-// normalized project-access boolean and nothing else.
+// requireRoleProjectAccess asserts the normalized project-access boolean and
+// that every projected row is a project-scope role default.
 func requireRoleProjectAccess(t *testing.T, rec *httptest.ResponseRecorder, version int64, want bool) {
 	t.Helper()
 	if rec.Code != http.StatusOK {
 		t.Fatalf("read role: %d %s", rec.Code, rec.Body.String())
 	}
 	view := decodeRoleProjectAccess(t, rec)
-	if view.RoleVersion != version || view.ProjectAccess != want || len(view.Permissions) != 1 {
+	if view.RoleVersion != version || view.ProjectAccess != want {
 		t.Fatalf("role access=%+v want version=%d access=%v", view, version, want)
 	}
-	permission := view.Permissions[0]
-	if permission.ActionID != "project.create" || permission.Allowed != want || permission.CapAllowed != want {
-		t.Fatalf("role permission=%+v want=%v", permission, want)
+	var access *rolePermissionHTTPView
+	for i, permission := range view.Permissions {
+		if permission.ActionID == "project.create" {
+			access = &view.Permissions[i]
+		}
+	}
+	if access == nil {
+		t.Fatalf("project access row missing=%+v", view.Permissions)
+	}
+	if access.Allowed != want || access.CapAllowed != want {
+		t.Fatalf("role permission=%+v want=%v", access, want)
 	}
 }
 
diff --git a/internal/store/explain_test.go b/internal/store/explain_test.go
index 9ad713e..6e5b22d 100644
--- a/internal/store/explain_test.go
+++ b/internal/store/explain_test.go
@@ -65,9 +65,9 @@ func TestExplainCapabilityCreatorSourcesMatchLinkedCapabilities(t *testing.T) {
 }
 
 // TestExplainCapabilityReportsNoConflictUnderTheSingleBooleanModel is the
-// explanation face of the narrowed role model (R2): a role stores the single
-// project-access boolean, a linked action row cannot be written any more, and
-// an explanation therefore never reports a conflict or a migration note.
+// explanation face of the role model (R2): a role stores the project-access
+// boolean plus project-scope defaults (never system-scope rows), and an
+// explanation therefore never reports a conflict or a migration note.
 func TestExplainCapabilityReportsNoConflictUnderTheSingleBooleanModel(t *testing.T) {
 	st := openTestStore(t)
 	admin, alice, _ := rolePolicyAccounts(t, st)
@@ -75,14 +75,13 @@ func TestExplainCapabilityReportsNoConflictUnderTheSingleBooleanModel(t *testing
 	if err != nil {
 		t.Fatal(err)
 	}
-	// A linked action row is not role authority any more: the write is refused
-	// whole and the role keeps no permissions at all.
+	// 没有项目范围行时职位仍然不携带任何权限；系统范围行整批拒绝。
 	if _, err := st.ReplaceRolePermissions("admin", capped.RoleID, capped.RoleVersion,
-		[]RolePermissionChange{{ActionID: "project.members.manage", Allowed: false, CapAllowed: false}}, "cap-members"); !errors.Is(err, ErrInvalidRolePolicy) {
-		t.Fatalf("linked cap accepted: %v", err)
+		[]RolePermissionChange{{ActionID: "system.settings.write", Allowed: true, CapAllowed: true}}, "system-row"); !errors.Is(err, ErrInvalidRolePolicy) {
+		t.Fatalf("system row accepted: %v", err)
 	}
 	if permissions := capabilityRolePermissions(t, st, capped.RoleID); len(permissions) != 0 {
-		t.Fatalf("refused cap persisted: %+v", permissions)
+		t.Fatalf("refused write persisted: %+v", permissions)
 	}
 	// Bootstrap admin keeps project.create through is_admin even without the
 	// grant, so the bound role cannot contradict it either.
@@ -185,30 +184,40 @@ func TestExplainCapabilityMemberBasicCollaborate(t *testing.T) {
 	if _, err := st.AssignUserRole("admin", alice.ID, role.RoleID, alice.StateVersion, "member-assign"); err != nil {
 		t.Fatal(err)
 	}
-	// Member content is not role authority any more, so the batch is refused
-	// and the role keeps the project-access boolean it already had.
+	// 项目范围动作现在是职位默认的一部分，直接随角色写入。
 	if _, err := st.ReplaceRolePermissions("admin", role.RoleID, receipt.RoleVersion, []RolePermissionChange{
 		{ActionID: "document.read", Allowed: true, CapAllowed: true},
-	}, "member-content"); !errors.Is(err, ErrInvalidRolePolicy) {
-		t.Fatalf("member content accepted: %v", err)
+	}, "member-content"); err != nil {
+		t.Fatalf("member content rejected: %v", err)
 	}
 	explanation, err := st.ExplainCapabilities("alice")
 	if err != nil {
 		t.Fatal(err)
 	}
 	actions := explainActionMap(explanation.MemberBasicCollaborate.Actions)
+	// document.read 现在来自角色默认；其余成员动作仍未配置。
+	if read := actions["document.read"]; !read.Allowed || read.Source != "role" {
+		t.Fatalf("document.read=%+v", read)
+	}
 	if len(actions) != len(memberBasicCollaborateActions) {
 		t.Fatalf("actions=%+v", explanation.MemberBasicCollaborate.Actions)
 	}
 	for _, actionID := range memberBasicCollaborateActions {
 		want := CapabilityActionExplain{ActionID: actionID, Scope: CapabilityScopeMemberProjects, Reason: "action-unconfigured"}
+		if actionID == "document.read" {
+			want = CapabilityActionExplain{ActionID: actionID, Scope: CapabilityScopeMemberProjects, Allowed: true, CapAllowed: true, Source: "role"}
+		}
 		if actions[actionID] != want {
 			t.Fatalf("%s=%+v want %+v", actionID, actions[actionID], want)
 		}
 	}
 	// A disabled role stops every member action at the role instead.
 	disabled := false
-	if _, err := st.PatchRole("admin", role.RoleID, receipt.RoleVersion, RolePatch{Enabled: &disabled}); err != nil {
+	roleAfter, err := st.GetRole(role.RoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := st.PatchRole("admin", role.RoleID, roleAfter.RoleVersion, RolePatch{Enabled: &disabled}); err != nil {
 		t.Fatal(err)
 	}
 	explanation, err = st.ExplainCapabilities("alice")
@@ -261,12 +270,11 @@ func TestExplainCapabilityDocumentQualify(t *testing.T) {
 	if _, err := st.AssignUserRole("admin", alice.ID, role.RoleID, alice.StateVersion, "duty-assign"); err != nil {
 		t.Fatal(err)
 	}
-	// Assigning a document duty to the role is refused whole; the role keeps the
-	// project-access boolean and nothing else.
+	// 三权动作同样属于职位默认，随角色一起定义。
 	if _, err := st.ReplaceRolePermissions("admin", role.RoleID, receipt.RoleVersion, []RolePermissionChange{
 		{ActionID: "document.author", Allowed: true, CapAllowed: true},
-	}, "duty-row"); !errors.Is(err, ErrInvalidRolePolicy) {
-		t.Fatalf("duty row accepted: %v", err)
+	}, "duty-row"); err != nil {
+		t.Fatalf("duty row rejected: %v", err)
 	}
 	explanation, err := st.ExplainCapabilities("alice")
 	if err != nil {
@@ -279,14 +287,22 @@ func TestExplainCapabilityDocumentQualify(t *testing.T) {
 	if len(got) != len(documentQualifyDuties) {
 		t.Fatalf("duties=%+v", explanation.DocumentQualify.Duties)
 	}
+	// document.author 已随角色定义，其他三权仍按未配置处理。
 	for _, actionID := range documentQualifyDuties {
 		want := DocumentDutyQualify{ActionID: actionID, Reason: "action-unconfigured"}
+		if actionID == "document.author" {
+			want = DocumentDutyQualify{ActionID: actionID, Qualified: true, DefaultAllowed: true, Source: "role"}
+		}
 		if got[actionID] != want {
 			t.Fatalf("%s=%+v want %+v", actionID, got[actionID], want)
 		}
 	}
 	disabled := false
-	if _, err := st.PatchRole("admin", role.RoleID, receipt.RoleVersion, RolePatch{Enabled: &disabled}); err != nil {
+	roleAfter, err := st.GetRole(role.RoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := st.PatchRole("admin", role.RoleID, roleAfter.RoleVersion, RolePatch{Enabled: &disabled}); err != nil {
 		t.Fatal(err)
 	}
 	explanation, err = st.ExplainCapabilities("alice")
diff --git a/internal/store/role_policy.go b/internal/store/role_policy.go
index e3a6b1c..46763f7 100644
--- a/internal/store/role_policy.go
+++ b/internal/store/role_policy.go
@@ -405,17 +405,43 @@ func (s *Store) ReplaceRolePermissions(actor, roleID string, expected int64, cha
 		next := map[string]RolePermissionChange{}
 		for _, change := range changes {
 			descriptor, ok := catalog.DescriptorByID(change.ActionID)
-			if !ok || descriptor.Protected || change.ActionID != catalog.ProjectAccessAction ||
+			// 角色可携带项目范围动作：职位默认（负责人上下限）由 Backend 角色快照
+			// 投影到 RDM 的 evalPerm，没有它则项目内读/写一律拒绝。受保护的系统
+			// 授权仍只能按用户单独授予。
+			if !ok || descriptor.Protected ||
+				(change.ActionID != catalog.ProjectAccessAction && descriptor.Scope != catalog.ScopeProject) ||
 				seen[change.ActionID] || (change.Allowed && !change.CapAllowed) {
 				return ErrInvalidRolePolicy
 			}
 			seen[change.ActionID] = true
 			next[change.ActionID] = change
 		}
-		// Rows for other actions are inert legacy audit data and stay untouched.
-		if _, err := tx.Exec(s.q(`DELETE FROM role_permissions WHERE role_id=? AND action_id=?`), roleID, catalog.ProjectAccessAction); err != nil {
+		// 准入与 linked 管理动作的一致性门：开启 project.create 的职位不得收回
+		// 自己的四个管理动作（有绑定或系统授权的账号同理）。
+		pending := capabilityAssociation{roles: map[string]map[string]RolePermissionChange{}, bindings: map[string]string{}}
+		currentBits, err := s.rolePermissionBitsTx(tx, roleID)
+		if err != nil {
 			return err
 		}
+		for _, change := range changes {
+			currentBits[change.ActionID] = change
+		}
+		pending.roles[roleID] = currentBits
+		if err := s.checkCapabilityAssociationTx(tx, nil, nil, &pending); err != nil {
+			return err
+		}
+		// 受本次变更影响的动作先清后写；其他动作的历史审计行保持不动。
+		// 空批次沿用旧语义：只清除 project.create（“关闭项目准入”）。
+		if len(changes) == 0 {
+			if _, err := tx.Exec(s.q(`DELETE FROM role_permissions WHERE role_id=? AND action_id=?`), roleID, catalog.ProjectAccessAction); err != nil {
+				return err
+			}
+		}
+		for _, change := range changes {
+			if _, err := tx.Exec(s.q(`DELETE FROM role_permissions WHERE role_id=? AND action_id=?`), roleID, change.ActionID); err != nil {
+				return err
+			}
+		}
 		now := nowISO()
 		for _, change := range changes {
 			access := change.Allowed && change.CapAllowed
@@ -558,21 +584,47 @@ func (s *Store) RoleAdmin(roleID string) (RoleAdminView, error) {
 // RolePermissions returns the role's normalized capability: at most one
 // project.create record whose allowed and capAllowed both equal the stored
 // allowed&&capAllowed. Legacy rows for any other action are filtered out.
+// RolePermissions 投影角色上的全部动作行：项目准入（project.create）与项目范围
+// 动作（document.*、project.settings 等）都进入快照，否则项目内读写没有任何职位
+// 默认来源。project.create 继续按 allowed && cap_allowed 归一。
 func (s *Store) RolePermissions(roleID string) ([]RolePermissionRecord, error) {
-	var permission RolePermissionRecord
-	var allowed, capAllowed bool
-	err := s.db.QueryRow(s.q(`SELECT allowed,cap_allowed,permission_version FROM role_permissions WHERE role_id=? AND action_id=?`),
-		roleID, catalog.ProjectAccessAction).Scan(&allowed, &capAllowed, &permission.PermissionVersion)
-	if errors.Is(err, sql.ErrNoRows) {
-		return []RolePermissionRecord{}, nil
-	}
+	permissions, err := s.rolePermissionRecords(s.db, roleID)
 	if err != nil {
 		return nil, err
 	}
-	permission.ActionID = catalog.ProjectAccessAction
-	permission.Allowed = allowed && capAllowed
-	permission.CapAllowed = permission.Allowed
-	return []RolePermissionRecord{permission}, nil
+	out := make([]RolePermissionRecord, 0, len(permissions))
+	projectManagement := false
+	for _, permission := range permissions {
+		descriptor, known := catalog.DescriptorByID(permission.ActionID)
+		switch {
+		case permission.ActionID == catalog.ProjectAccessAction:
+			permission.Allowed = permission.Allowed && permission.CapAllowed
+			permission.CapAllowed = permission.Allowed
+			projectManagement = permission.Allowed
+		case known && descriptor.Scope == catalog.ScopeProject:
+			// 项目范围动作按职位默认值投影
+		default:
+			// 系统范围旧行仍是不授权的审计数据，不进快照。
+			continue
+		}
+		out = append(out, permission)
+	}
+	// 角色只承载一个「项目管理」开关：开启即在参与的项目里获得项目内工作默认，
+	// 无需逐项配置；显式写出的项目范围行仍然优先。
+	if projectManagement {
+		seen := map[string]bool{}
+		for _, permission := range out {
+			seen[permission.ActionID] = true
+		}
+		for _, actionID := range catalog.ProjectManagementImpliedActions() {
+			if seen[actionID] {
+				continue
+			}
+			out = append(out, RolePermissionRecord{ActionID: actionID, Allowed: true, CapAllowed: true})
+		}
+	}
+	sort.Slice(out, func(i, j int) bool { return out[i].ActionID < out[j].ActionID })
+	return out, nil
 }
 
 func (s *Store) ListRoles(query, mode, status, actionID, cursor string, limit int) ([]RoleAdminView, string, error) {
diff --git a/internal/store/role_policy_test.go b/internal/store/role_policy_test.go
index 5c50eda..d448c21 100644
--- a/internal/store/role_policy_test.go
+++ b/internal/store/role_policy_test.go
@@ -5,6 +5,8 @@ import (
 	"strings"
 	"sync"
 	"testing"
+
+	"agent-system-backend/internal/authz/catalog"
 )
 
 func rolePolicyAccounts(t *testing.T, st *Store) (Account, Account, Account) {
@@ -208,6 +210,26 @@ func TestRolePolicyIdempotencyKeyCannotChangeRequest(t *testing.T) {
 	}
 }
 
+// assertProjectManagementDefaults 断言「项目管理」开启时投影出的项目内默认动作。
+func assertProjectManagementDefaults(t *testing.T, permissions map[string]RolePermissionRecord) {
+	t.Helper()
+	for _, actionID := range catalog.ProjectManagementImpliedActions() {
+		row, ok := permissions[actionID]
+		if !ok || !row.Allowed || !row.CapAllowed {
+			t.Fatalf("project management default %s missing: %+v", actionID, permissions)
+		}
+	}
+}
+
+func projectAccessRecord(permissions []RolePermissionRecord) *RolePermissionRecord {
+	for i, permission := range permissions {
+		if permission.ActionID == "project.create" {
+			return &permissions[i]
+		}
+	}
+	return nil
+}
+
 func capabilityRolePermissions(t *testing.T, st *Store, roleID string) map[string]RolePermissionRecord {
 	t.Helper()
 	permissions, err := st.RolePermissions(roleID)
@@ -245,9 +267,16 @@ func TestRoleProjectCreateLinksFullManagement(t *testing.T) {
 	}
 	permissions := capabilityRolePermissions(t, st, role.RoleID)
 	access := permissions["project.create"]
-	if len(permissions) != 1 || !access.Allowed || !access.CapAllowed {
+	if !access.Allowed || !access.CapAllowed {
 		t.Fatalf("permissions=%+v", permissions)
 	}
+	// 项目管理蕴含项目内工作默认；三权与知识发布不在其中。
+	assertProjectManagementDefaults(t, permissions)
+	for _, duty := range []string{"document.review", "document.approve", "document.publish", "document.duties.assign", "knowledge.publish"} {
+		if row, ok := permissions[duty]; ok && row.Allowed {
+			t.Fatalf("duty action %s implied by project management: %+v", duty, permissions)
+		}
+	}
 	if _, err := st.AssignUserRole("admin", alice.ID, role.RoleID, alice.StateVersion, "assign-creator"); err != nil {
 		t.Fatal(err)
 	}
@@ -277,7 +306,7 @@ func TestRolePolicyRejectsNonProjectAccessRowsAtomically(t *testing.T) {
 	epoch, _ := st.AuthorityEpoch()
 	conflict := []RolePermissionChange{
 		{ActionID: "project.create", Allowed: true, CapAllowed: true},
-		{ActionID: "project.settings", Allowed: false, CapAllowed: false},
+		{ActionID: "system.settings.write", Allowed: false, CapAllowed: false},
 	}
 	if _, err := st.ReplaceRolePermissions("admin", role.RoleID, role.RoleVersion, conflict, "explicit-conflict"); !errors.Is(err, ErrInvalidRolePolicy) {
 		t.Fatalf("explicit role conflict: %v", err)
@@ -287,20 +316,22 @@ func TestRolePolicyRejectsNonProjectAccessRowsAtomically(t *testing.T) {
 	if len(capabilityRolePermissions(t, st, role.RoleID)) != 0 || after.RoleVersion != role.RoleVersion || afterEpoch != epoch {
 		t.Fatalf("partial write: role=%+v epoch=%d->%d", after, epoch, afterEpoch)
 	}
-	// A linked action on its own is the same rejection: the role has no row to
-	// cap off any more, so nothing is written.
+	// 项目范围动作可以单独写入并即刻生效（项目内读写的职位默认值来源）。
+	version := role.RoleVersion
 	for i, only := range [][]RolePermissionChange{
-		{{ActionID: "project.members.manage", Allowed: false, CapAllowed: false}},
-		{{ActionID: "project.settings", Allowed: true, CapAllowed: true}},
-		{{ActionID: "document.duties.assign", Allowed: false, CapAllowed: true}},
+		{{ActionID: "document.read", Allowed: true, CapAllowed: true}},
+		{{ActionID: "document.author", Allowed: false, CapAllowed: true}},
 	} {
-		if _, err := st.ReplaceRolePermissions("admin", role.RoleID, role.RoleVersion, only, "linked-only-"+string(rune('a'+i))); !errors.Is(err, ErrInvalidRolePolicy) {
-			t.Fatalf("linked-only batch %d accepted: %v", i, err)
+		receipt, err := st.ReplaceRolePermissions("admin", role.RoleID, version, only, "project-scope-"+string(rune('a'+i)))
+		if err != nil {
+			t.Fatalf("project-scope batch %d rejected: %v", i, err)
 		}
-		if permissions := capabilityRolePermissions(t, st, role.RoleID); len(permissions) != 0 {
-			t.Fatalf("linked-only batch %d persisted=%+v", i, permissions)
+		version = receipt.RoleVersion
+		if permissions := capabilityRolePermissions(t, st, role.RoleID); len(permissions) == 0 {
+			t.Fatalf("project-scope batch %d persisted nothing", i)
 		}
 	}
+	role.RoleVersion = version
 	receipt, err := st.ReplaceRolePermissions("admin", role.RoleID, role.RoleVersion,
 		[]RolePermissionChange{{ActionID: "project.create", Allowed: true, CapAllowed: true}}, "enable-create")
 	if err != nil {
@@ -311,18 +342,20 @@ func TestRolePolicyRejectsNonProjectAccessRowsAtomically(t *testing.T) {
 	}
 	permissions := capabilityRolePermissions(t, st, role.RoleID)
 	access := permissions["project.create"]
-	if len(permissions) != 1 || !access.Allowed || !access.CapAllowed {
+	if !access.Allowed || !access.CapAllowed {
 		t.Fatalf("permissions=%+v", permissions)
 	}
-	// A later batch cannot resolve a conflict either, because no second row is
-	// accepted beside the project-access boolean.
-	resolved := append([]RolePermissionChange{{ActionID: "project.create", Allowed: true, CapAllowed: true}},
-		RolePermissionChange{ActionID: "project.members.manage", Allowed: false, CapAllowed: true})
-	if _, err := st.ReplaceRolePermissions("admin", role.RoleID, receipt.RoleVersion, resolved, "explicitly-resolved"); !errors.Is(err, ErrInvalidRolePolicy) {
-		t.Fatalf("explicit resolution: %v", err)
+	// 项目范围动作可以与项目准入并存在同一批次。
+	current, err := st.GetRole(role.RoleID)
+	if err != nil {
+		t.Fatal(err)
 	}
-	if permissions := capabilityRolePermissions(t, st, role.RoleID); len(permissions) != 1 || !permissions["project.create"].Allowed {
-		t.Fatalf("rejected resolution changed permissions=%+v", permissions)
+	if _, err := st.ReplaceRolePermissions("admin", role.RoleID, current.RoleVersion,
+		[]RolePermissionChange{{ActionID: "document.publish", Allowed: true, CapAllowed: true}}, "project-publish"); err != nil {
+		t.Fatalf("project publish row: %v", err)
+	}
+	if permissions := capabilityRolePermissions(t, st, role.RoleID); !permissions["document.publish"].Allowed {
+		t.Fatalf("project publish row missing=%+v", permissions)
 	}
 }
 
@@ -388,16 +421,13 @@ func TestLinkedCapabilitiesSystemGrantWithoutRoleClosesLoop(t *testing.T) {
 	if permissions := capabilityRolePermissions(t, st, open.RoleID); len(permissions) != 0 {
 		t.Fatalf("roleless role kept permissions=%+v", permissions)
 	}
-	// A linked row cannot be written beside that grant holder either.
+	// 项目范围动作与系统授权并存：系统授权仍是唯一项目准入来源。
 	if _, err := st.ReplaceRolePermissions("admin", open.RoleID, open.RoleVersion,
-		[]RolePermissionChange{{ActionID: "project.settings", Allowed: false, CapAllowed: false}}, "cap-under-holder"); !errors.Is(err, ErrInvalidRolePolicy) {
-		t.Fatalf("role cap under grant holder: %v", err)
+		[]RolePermissionChange{{ActionID: "document.read", Allowed: true, CapAllowed: true}}, "read-under-holder"); err != nil {
+		t.Fatalf("project read under grant holder: %v", err)
 	}
-	if permissions := capabilityRolePermissions(t, st, open.RoleID); len(permissions) != 0 {
-		t.Fatalf("rejected role cap persisted: %+v", permissions)
-	}
-	if role, _ := st.GetRole(open.RoleID); role.RoleVersion != open.RoleVersion {
-		t.Fatalf("rejected write bumped role version: %+v", role)
+	if permissions := capabilityRolePermissions(t, st, open.RoleID); !permissions["document.read"].Allowed {
+		t.Fatalf("project read row under grant holder=%+v", permissions)
 	}
 
 	// Revoking the grant closes the loop again and reports it.
@@ -605,20 +635,40 @@ func TestRolePermissionsNormalizeLegacyRowsToProjectAccess(t *testing.T) {
 	} {
 		t.Run(tc.name, func(t *testing.T) {
 			insertLegacyRolePermission(t, st, role.RoleID, "project.create", tc.allowed, tc.capAllowed)
+			// 项目范围旧行（document.read）随职位投影；系统范围旧行仍被丢弃；
+			// 项目准入开启时另带出项目管理蕴含的项目内默认。
 			permissions, err := st.RolePermissions(role.RoleID)
-			if err != nil || len(permissions) != 1 {
-				t.Fatalf("permissions=%+v err=%v", permissions, err)
+			if err != nil {
+				t.Fatal(err)
 			}
-			got := permissions[0]
-			if got.ActionID != "project.create" || got.Allowed != tc.want || got.CapAllowed != tc.want {
+			byAction := map[string]RolePermissionRecord{}
+			for _, permission := range permissions {
+				byAction[permission.ActionID] = permission
+			}
+			got := byAction["project.create"]
+			if got.Allowed != tc.want || got.CapAllowed != tc.want {
 				t.Fatalf("normalized=%+v want=%v", got, tc.want)
 			}
+			if read := byAction["document.read"]; !read.Allowed || !read.CapAllowed {
+				t.Fatalf("project scope row dropped=%+v", permissions)
+			}
+			if tc.want {
+				assertProjectManagementDefaults(t, byAction)
+			}
+			for _, permission := range permissions {
+				if strings.HasPrefix(permission.ActionID, "system.") {
+					t.Fatalf("system row projected=%+v", permissions)
+				}
+			}
 			view, err := st.RoleAdmin(role.RoleID)
-			if err != nil || view.ProjectAccess != tc.want || len(view.Permissions) != 1 || view.Permissions[0].ActionID != "project.create" {
+			if err != nil || view.ProjectAccess != tc.want || len(view.Permissions) < 2 {
 				t.Fatalf("role admin=%+v err=%v", view, err)
 			}
+			if access := projectAccessRecord(view.Permissions); access == nil || access.Allowed != tc.want {
+				t.Fatalf("role admin access row=%+v want=%v", access, tc.want)
+			}
 			roles, _, err := st.ListRoles("", "fuzzy", "all", "", "", 20)
-			if err != nil || len(roles) != 1 || roles[0].ProjectAccess != tc.want || len(roles[0].Permissions) != 1 {
+			if err != nil || len(roles) != 1 || roles[0].ProjectAccess != tc.want || len(roles[0].Permissions) < 2 {
 				t.Fatalf("list roles=%+v err=%v", roles, err)
 			}
 			allowed, capAllowed, err := st.RolePermissionAllowed("alice", "project.create")
@@ -711,12 +761,14 @@ func TestReplaceRolePermissionsAcceptsOnlyProjectAccessBoolean(t *testing.T) {
 		}
 		return allowed, capAllowed, rows
 	}
+	// 项目范围动作（如 document.read）现在可以随职位一起定义；受保护的系统授权
+	// 仍然拒绝，并且任何失败批次都不部分写入。
 	for i, bad := range [][]RolePermissionChange{
 		{{ActionID: "project.create", Allowed: true, CapAllowed: true}, {ActionID: "system.settings.read", Allowed: true, CapAllowed: true}},
 		{{ActionID: "project.create", Allowed: true, CapAllowed: true}, {ActionID: "system.users.create", Allowed: false, CapAllowed: false}},
-		{{ActionID: "document.read", Allowed: true, CapAllowed: true}},
 		{{ActionID: "project.create", Allowed: true, CapAllowed: true}, {ActionID: "project.create", Allowed: true, CapAllowed: true}},
 		{{ActionID: "project.create", Allowed: true, CapAllowed: false}},
+		{{ActionID: "document.read", Allowed: true, CapAllowed: false}},
 	} {
 		if _, err := st.ReplaceRolePermissions("admin", role.RoleID, role.RoleVersion, bad, "bad-"+string(rune('a'+i))); !errors.Is(err, ErrInvalidRolePolicy) {
 			t.Fatalf("batch %d accepted: %v", i, err)
@@ -1252,3 +1304,73 @@ func getRoleByName(st *Store, name string) (RoleRecord, bool) {
 	}
 	return roles[0].RoleRecord, true
 }
+
+// TestRoleCarriesProjectScopeDefaults covers the project-scope role rows: a role
+// may define the project defaults that RDM projects them onto project work, and
+// a row that caps a linked management action is reported as a conflict instead of
+// being silently ignored.
+func TestRoleCarriesProjectScopeDefaults(t *testing.T) {
+	st := openTestStore(t)
+	_, alice, _ := rolePolicyAccounts(t, st)
+	role, err := st.CreateRole("admin", RoleCreate{Name: "项目工作职位"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	alice, _ = st.GetAccount(alice.ID)
+	if _, err := st.AssignUserRole("admin", alice.ID, role.RoleID, alice.StateVersion, "assign-work"); err != nil {
+		t.Fatal(err)
+	}
+	receipt, err := st.ReplaceRolePermissions("admin", role.RoleID, role.RoleVersion, []RolePermissionChange{
+		{ActionID: "project.create", Allowed: true, CapAllowed: true},
+		{ActionID: "document.read", Allowed: true, CapAllowed: true},
+		{ActionID: "document.author", Allowed: false, CapAllowed: true},
+	}, "project-defaults")
+	if err != nil {
+		t.Fatal(err)
+	}
+	permissions, err := st.RolePermissions(role.RoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	byAction := map[string]RolePermissionRecord{}
+	for _, permission := range permissions {
+		byAction[permission.ActionID] = permission
+	}
+	if !byAction["project.create"].Allowed || !byAction["document.read"].Allowed {
+		t.Fatalf("project defaults=%+v", byAction)
+	}
+	if byAction["document.author"].Allowed {
+		t.Fatalf("explicit revoke=%+v", byAction["document.author"])
+	}
+	alice, _ = st.GetAccount(alice.ID)
+	explanation, err := st.ExplainCapabilities("alice")
+	if err != nil {
+		t.Fatal(err)
+	}
+	actions := explainActionMap(explanation.MemberBasicCollaborate.Actions)
+	if read := actions["document.read"]; !read.Allowed || read.Source != "role" {
+		t.Fatalf("member read=%+v", read)
+	}
+	if author := actions["document.author"]; author.Allowed {
+		t.Fatalf("member author=%+v", author)
+	}
+	// 项目准入开启时不得在同一职位里收回 linked 管理动作（既有不变量）。
+	capped, err := st.CreateRole("admin", RoleCreate{Name: "受限工作职位"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := st.ReplaceRolePermissions("admin", capped.RoleID, capped.RoleVersion, []RolePermissionChange{
+		{ActionID: "project.create", Allowed: true, CapAllowed: true},
+		{ActionID: "project.members.manage", Allowed: false, CapAllowed: false},
+	}, "cap-linked"); !errors.Is(err, ErrInvalidRolePolicy) {
+		t.Fatalf("linked deny beside create accepted: %v", err)
+	}
+	// 同一动作的显式授予合法，并立即成为快照里的默认值。
+	if _, err := st.ReplaceRolePermissions("admin", capped.RoleID, capped.RoleVersion, []RolePermissionChange{
+		{ActionID: "project.create", Allowed: true, CapAllowed: true},
+		{ActionID: "project.members.manage", Allowed: true, CapAllowed: true},
+	}, "allow-linked"); err != nil {
+		t.Fatalf("linked allow beside create: %v", err)
+	}
+	_ = receipt
+}