package workspace

import (
	"context"
	"errors"
	"fmt"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
	"testing"
	"time"

	canonical "github.com/tutti-os/tutti/packages/agent/store-sqlite/canonical"
	workspaceissues "github.com/tutti-os/tutti/packages/workspace/issues"
	agenttargetbiz "github.com/tutti-os/tutti/services/tuttid/biz/agenttarget"
	executionbiz "github.com/tutti-os/tutti/services/tuttid/biz/tuttimodeexecution"
	workspacebiz "github.com/tutti-os/tutti/services/tuttid/biz/workspace"
	agentservice "github.com/tutti-os/tutti/services/tuttid/service/agent"
	tuttimodeexecutionservice "github.com/tutti-os/tutti/services/tuttid/service/tuttimodeexecution"
)

type sequentialSessionCreatorRecorder struct {
	inputs   []agentservice.CreateSessionInput
	launches []IssueRunLaunch
}

func (r *sequentialSessionCreatorRecorder) Launch(_ context.Context, launch IssueRunLaunch) error {
	input := createSessionInputFromLaunch(launch)
	r.launches = append(r.launches, launch)
	r.inputs = append(r.inputs, input)
	return nil
}

type staticIssueSourceSessionContextResolver struct {
	context IssueSourceSessionContext
	ok      bool
}

func (r staticIssueSourceSessionContextResolver) ResolveSourceSessionContext(
	_ string,
	_ string,
) (IssueSourceSessionContext, bool) {
	return r.context, r.ok
}

type countingIssueSourceSessionContextResolver struct {
	context IssueSourceSessionContext
	calls   int
}

func (r *countingIssueSourceSessionContextResolver) ResolveSourceSessionContext(
	_ string,
	_ string,
) (IssueSourceSessionContext, bool) {
	r.calls++
	return r.context, r.calls == 1
}

func availableIssueSourceSessionContextResolver() IssueSourceSessionContextResolver {
	return staticIssueSourceSessionContextResolver{
		context: IssueSourceSessionContext{
			RailPlacement: &IssueRunRailPlacement{
				Kind:       "conversations",
				SectionKey: "conversations",
			},
		},
		ok: true,
	}
}

func createSessionInputFromLaunch(launch IssueRunLaunch) agentservice.CreateSessionInput {
	reasoningIntensity := launch.ReasoningIntensity
	return agentservice.CreateSessionInput{
		AgentSessionID:       launch.AgentSessionID,
		AgentTargetID:        launch.AgentTargetID,
		ReasoningIntensity:   &reasoningIntensity,
		InitialContent:       []agentservice.PromptContentBlock{{Type: "text", Text: launch.Prompt}},
		ClientSubmitID:       launch.ClientSubmitID,
		Title:                optionalTrimmedTestString(launch.Title),
		Cwd:                  optionalTrimmedTestString(launch.ExecutionDirectory),
		Model:                optionalTrimmedTestString(launch.Model),
		ModelPlanID:          optionalTrimmedTestString(launch.ModelPlanID),
		ReasoningEffort:      optionalTrimmedTestString(launch.ReasoningEffort),
		PermissionModeID:     optionalTrimmedTestString(launch.PermissionModeID),
		StrictPermissionMode: strings.TrimSpace(launch.PermissionModeID) != "",
	}
}

func optionalTrimmedTestString(value string) *string {
	value = strings.TrimSpace(value)
	if value == "" {
		return nil
	}
	return &value
}

func TestIssueSequentialExecutionDispatchesSuccessorOnlyAfterUserAcceptance(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-sequential", Name: "Sequential"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-sequential", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-sequential",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Sequential issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex},
			{TaskID: "task-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 1 || creator.inputs[0].AgentSessionID == "" {
		t.Fatalf("initial dispatches = %#v, want one durable session launch", creator.inputs)
	}
	if creator.inputs[0].ReasoningIntensity == nil || *creator.inputs[0].ReasoningIntensity != workspaceissues.DefaultReasoningIntensity {
		t.Fatalf("initial reasoning intensity = %#v, want Issue default", creator.inputs[0].ReasoningIntensity)
	}
	first := detail.Tasks[0]
	if first.Status != workspaceissues.StatusRunning || first.LatestRunID == "" {
		t.Fatalf("first task = %#v, want running with run", first)
	}
	if _, err := service.CompleteRun(ctx, "workspace-sequential", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches before acceptance = %d, want 1", len(creator.inputs))
	}
	if _, err := service.UpdateTask(ctx, "workspace-sequential", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusCompleted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(accept) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after acceptance = %d, want 2", len(creator.inputs))
	}
	updated, err := service.GetIssueDetail(ctx, "workspace-sequential", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if updated.Tasks[1].Status != workspaceissues.StatusRunning {
		t.Fatalf("second task status = %q, want running", updated.Tasks[1].Status)
	}
}

func TestIssueParallelExecutionDispatchesIndependentRootsAndWaitsForAcceptedDependencies(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-parallel", Name: "Parallel"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-parallel", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:           "issue-parallel",
			TopicID:           workspaceissues.DefaultTopicID,
			Title:             "Parallel issue",
			PlanningSource:    string(workspaceissues.PlanningSourceTraditionalPlan),
			ParallelExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "First root", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: "/worktrees/task-1"},
			{TaskID: "task-2", Title: "Second root", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: "/worktrees/task-2"},
			{TaskID: "task-3", Title: "Dependent", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: "/worktrees/task-3", DependencyTaskIDs: []string{"task-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("initial parallel dispatches = %d, want 2", len(creator.inputs))
	}
	if detail.Tasks[0].Status != workspaceissues.StatusRunning || detail.Tasks[1].Status != workspaceissues.StatusRunning || detail.Tasks[2].Status != workspaceissues.StatusNotStarted {
		t.Fatalf("initial task states = %#v", detail.Tasks)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-parallel", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches before acceptance = %d, want 2", len(creator.inputs))
	}
	if _, err := service.UpdateTask(ctx, "workspace-parallel", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusCompleted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(accept) error = %v", err)
	}
	if len(creator.inputs) != 3 {
		t.Fatalf("dispatches after acceptance = %d, want 3", len(creator.inputs))
	}
	updated, err := service.GetIssueDetail(ctx, "workspace-parallel", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if updated.Tasks[2].Status != workspaceissues.StatusRunning {
		t.Fatalf("dependent task status = %q, want running", updated.Tasks[2].Status)
	}
}

func TestIssueParallelExecutionHonorsWorkspaceConcurrencyAndRefillsSlots(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-parallel-limit", Name: "Parallel limit"}); err != nil {
		t.Fatal(err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatal(err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{RunLauncher: creator, Store: store, AgentTargetReader: store}
	tasks := make([]CreateIssueManagerTaskItemInput, 0, maxWorkspaceParallelIssueRuns+1)
	for index := 0; index < maxWorkspaceParallelIssueRuns+1; index++ {
		tasks = append(tasks, CreateIssueManagerTaskItemInput{
			TaskID:             fmt.Sprintf("task-limit-%d", index),
			Title:              fmt.Sprintf("Parallel %d", index),
			AgentTargetID:      agenttargetbiz.IDLocalCodex,
			ExecutionDirectory: fmt.Sprintf("/worktrees/limit-%d", index),
		})
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-parallel-limit", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID: "issue-parallel-limit", TopicID: workspaceissues.DefaultTopicID, Title: "Bounded parallel",
			PlanningSource: string(workspaceissues.PlanningSourceTraditionalPlan), ParallelExecution: true,
		},
		Tasks: tasks,
	})
	if err != nil {
		t.Fatal(err)
	}
	if len(creator.inputs) != maxWorkspaceParallelIssueRuns {
		t.Fatalf("initial parallel dispatches = %d, want %d", len(creator.inputs), maxWorkspaceParallelIssueRuns)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-parallel-limit", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{Status: string(workspaceissues.StatusCompleted)}); err != nil {
		t.Fatal(err)
	}
	if len(creator.inputs) != maxWorkspaceParallelIssueRuns+1 {
		t.Fatalf("dispatches after slot refill = %d, want %d", len(creator.inputs), maxWorkspaceParallelIssueRuns+1)
	}
}

func TestIssueParallelExecutionRejectsSharedExecutionDirectory(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-parallel-unsafe", Name: "Parallel unsafe"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	service := IssueManagerService{Store: store}
	_, err := service.CreateIssueFromPlan(ctx, "workspace-parallel-unsafe", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			TopicID:           workspaceissues.DefaultTopicID,
			Title:             "Unsafe parallel issue",
			PlanningSource:    string(workspaceissues.PlanningSourceTraditionalPlan),
			ParallelExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{Title: "One", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: "/shared"},
			{Title: "Two", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: "/shared"},
		},
	})
	if !errors.Is(err, workspaceissues.ErrInvalidArgument) {
		t.Fatalf("CreateIssueFromPlan() error = %v, want ErrInvalidArgument", err)
	}
}

func TestIssueAgentSessionSettlementCompletesRunWithUsageAndAgentClaim(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-settlement", Name: "Settlement"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-settlement", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-settlement",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Settle from Agent state",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID:        "task-settlement",
			Title:         "Execute",
			AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	outcome := "completed"
	turnID := "turn-settlement"
	reader := issueRunSettlementReaderStub{settlementByRunID: map[string]IssueRunSettlement{
		detail.Tasks[0].LatestRunID: {TurnID: turnID, Status: workspaceissues.StatusCompleted},
	}}
	coordinator := IssueExecutionCoordinator{Issues: &service, SettlementReader: reader}
	coordinator.ObserveAgentSessionState(ctx, canonical.ReportSessionStateInput{
		WorkspaceID:    "workspace-settlement",
		AgentSessionID: creator.inputs[0].AgentSessionID,
		State: canonical.WorkspaceAgentSessionStateUpdate{
			TurnLifecycle: &canonical.WorkspaceAgentTurnLifecycle{Phase: "settled", Outcome: &outcome},
			Turn:          &canonical.WorkspaceAgentTurnStateUpdate{TurnID: turnID, Phase: "settled", Outcome: outcome},
			RuntimeContext: map[string]any{
				"usage": map[string]any{
					"inputTokens":      int64(100),
					"outputTokens":     int64(20),
					"cacheReadTokens":  int64(30),
					"cacheWriteTokens": int64(40),
					"quotas": []map[string]any{{
						"quotaType":        "weekly",
						"percentRemaining": float64(25),
					}},
				},
			},
		},
	}, canonical.ReportSessionStateReply{})

	settled, err := service.GetIssueDetail(ctx, "workspace-settlement", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	task := settled.Tasks[0]
	if task.Status != workspaceissues.StatusPendingAcceptance || task.AcceptanceState != workspaceissues.AcceptanceAgentClaimed {
		t.Fatalf("settled task = %#v, want pending acceptance with Agent claim", task)
	}
	if settled.LatestRun == nil || settled.LatestRun.Status != workspaceissues.StatusCompleted || settled.LatestRun.Usage.Total() != 190 {
		t.Fatalf("latest run = %#v, want completed with all usage categories", settled.LatestRun)
	}
	if settled.Issue.Budget.ConsumedTokens != 190 || !settled.Issue.Budget.HasRemainingQuota || settled.Issue.Budget.RemainingQuotaPercent != 25 {
		t.Fatalf("settled Issue budget = %#v", settled.Issue.Budget)
	}
	if err := service.RecordAutomationReviewOutcome(ctx, "workspace-settlement", creator.inputs[0].AgentSessionID, "All checks passed.\nVERDICT: PASS", true, true); err != nil {
		t.Fatalf("RecordAutomationReviewOutcome() error = %v", err)
	}
	reviewed, err := service.GetIssueDetail(ctx, "workspace-settlement", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail(reviewed) error = %v", err)
	}
	if reviewed.Tasks[0].AcceptanceState != workspaceissues.AcceptanceAutoChecked || !strings.Contains(reviewed.Tasks[0].AcceptanceSummary, "VERDICT: PASS") {
		t.Fatalf("reviewed task = %#v, want auto_checked with review evidence", reviewed.Tasks[0])
	}
}

func TestIssueBudgetRecoveryUpdateResumesEligibleDispatch(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-budget-recovery", Name: "Budget recovery"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-budget-recovery", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-budget-recovery",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Recover budget",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
			HasBudget:           true,
			Budget: workspaceissues.Budget{
				Mode:                  workspaceissues.BudgetModeFixed,
				TokenLimit:            60_000,
				QuotaWaterlinePercent: workspaceissues.DefaultQuotaWaterlinePercent,
			},
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-budget-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex},
			{TaskID: "task-budget-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-budget-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-budget-recovery", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
		Usage:  workspaceissues.TokenUsage{InputTokens: 30_000},
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if _, err := service.UpdateTask(ctx, "workspace-budget-recovery", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusCompleted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(accept) error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches while soft limited = %d, want 1", len(creator.inputs))
	}
	if _, err := service.UpdateIssue(ctx, "workspace-budget-recovery", detail.Issue.IssueID, UpdateIssueManagerIssueInput{
		HasBudget: true,
		Budget: workspaceissues.Budget{
			Mode:                  workspaceissues.BudgetModeFixed,
			TokenLimit:            100_000,
			QuotaWaterlinePercent: workspaceissues.DefaultQuotaWaterlinePercent,
		},
	}); err != nil {
		t.Fatalf("UpdateIssue(add budget) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after budget recovery = %d, want 2", len(creator.inputs))
	}
}

func TestIssueLowerIntensityRecoveryReleasesPreDispatchBudgetGate(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-intensity-recovery", Name: "Intensity recovery"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-intensity-recovery", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-intensity-recovery",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Lower intensity",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
			HasBudget:           true,
			Budget: workspaceissues.Budget{
				Mode:                  workspaceissues.BudgetModeFixed,
				TokenLimit:            60_000,
				QuotaWaterlinePercent: workspaceissues.DefaultQuotaWaterlinePercent,
			},
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-intensity-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex},
			{TaskID: "task-intensity-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-intensity-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-intensity-recovery", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
		Usage:  workspaceissues.TokenUsage{InputTokens: 30_000},
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if _, err := service.UpdateTask(ctx, "workspace-intensity-recovery", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusCompleted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(accept) error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches before intensity recovery = %d, want 1", len(creator.inputs))
	}
	softLimited, err := service.GetIssueDetail(ctx, "workspace-intensity-recovery", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if softLimited.Issue.Budget.Status != workspaceissues.BudgetStatusSoftLimited {
		t.Fatalf("budget status = %q, want soft_limited", softLimited.Issue.Budget.Status)
	}
	if _, err := service.UpdateIssue(ctx, "workspace-intensity-recovery", detail.Issue.IssueID, UpdateIssueManagerIssueInput{
		ExecutionProfile:    workspaceissues.ExecutionProfile{},
		HasExecutionProfile: true,
		HasBudget:           true,
		Budget: workspaceissues.Budget{
			Mode:                  workspaceissues.BudgetModeFixed,
			TokenLimit:            60_000,
			QuotaWaterlinePercent: workspaceissues.DefaultQuotaWaterlinePercent,
		},
	}); err != nil {
		t.Fatalf("UpdateIssue(lower intensity) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after intensity recovery = %d, want 2", len(creator.inputs))
	}
}

func TestIssueExplicitPauseBlocksOnlyFutureDispatchAndResumeContinues(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-dispatch-pause", Name: "Dispatch pause"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-dispatch-pause", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-dispatch-pause",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Pause dispatch",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-pause-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex},
			{TaskID: "task-pause-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-pause-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("initial dispatches = %d, want 1", len(creator.inputs))
	}
	paused, err := service.UpdateIssue(ctx, "workspace-dispatch-pause", detail.Issue.IssueID, UpdateIssueManagerIssueInput{
		DispatchPaused:    true,
		HasDispatchPaused: true,
	})
	if err != nil {
		t.Fatalf("UpdateIssue(pause) error = %v", err)
	}
	if !paused.DispatchPaused {
		t.Fatalf("DispatchPaused = false after durable pause")
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-dispatch-pause", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{Status: string(workspaceissues.StatusCompleted)}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if _, err := service.UpdateTask(ctx, "workspace-dispatch-pause", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{Status: string(workspaceissues.StatusCompleted), HasStatus: true}); err != nil {
		t.Fatalf("UpdateTask(accept) error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches while explicitly paused = %d, want 1", len(creator.inputs))
	}
	resumed, err := service.UpdateIssue(ctx, "workspace-dispatch-pause", detail.Issue.IssueID, UpdateIssueManagerIssueInput{
		DispatchPaused:    false,
		HasDispatchPaused: true,
	})
	if err != nil {
		t.Fatalf("UpdateIssue(resume) error = %v", err)
	}
	if resumed.DispatchPaused {
		t.Fatalf("DispatchPaused = true after resume")
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after resume = %d, want 2", len(creator.inputs))
	}
}

type strictPermissionSessionCreator struct {
	inputs         []agentservice.CreateSessionInput
	supportedModes map[string]struct{}
}

func (r *strictPermissionSessionCreator) Launch(_ context.Context, launch IssueRunLaunch) error {
	input := createSessionInputFromLaunch(launch)
	r.inputs = append(r.inputs, input)
	if input.StrictPermissionMode && input.PermissionModeID != nil {
		if _, ok := r.supportedModes[*input.PermissionModeID]; !ok {
			return fmt.Errorf("unsupported permission mode %q", *input.PermissionModeID)
		}
	}
	return nil
}

func TestIssueTaskLaunchAppliesTaskLevelOverridesWithStrictPermissionMode(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-strict-overrides", Name: "Strict overrides"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &strictPermissionSessionCreator{supportedModes: map[string]struct{}{"acceptEdits": {}}}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}

	if _, err := service.CreateIssueFromPlan(ctx, "workspace-strict-overrides", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-with-overrides",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Task-level overrides",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID:           "task-with-overrides",
			Title:            "Overridden launch",
			AgentTargetID:    agenttargetbiz.IDLocalCodex,
			PermissionModeID: "acceptEdits",
			ReasoningEffort:  "high",
		}},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan(overrides) error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches = %d, want 1", len(creator.inputs))
	}
	launch := creator.inputs[0]
	if launch.PermissionModeID == nil || *launch.PermissionModeID != "acceptEdits" || !launch.StrictPermissionMode {
		t.Fatalf("launch permission mode = %#v strict=%v, want strict explicit acceptEdits", launch.PermissionModeID, launch.StrictPermissionMode)
	}
	if launch.ReasoningEffort == nil || *launch.ReasoningEffort != "high" {
		t.Fatalf("launch reasoning effort = %#v, want explicit high", launch.ReasoningEffort)
	}

	// A task without an explicit permission mode keeps the provider-default
	// resolution and must not opt into strict rejection.
	if _, err := service.CreateIssueFromPlan(ctx, "workspace-strict-overrides", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-without-overrides",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Default launch",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID:        "task-without-overrides",
			Title:         "Default launch",
			AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan(defaults) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches = %d, want 2", len(creator.inputs))
	}
	if creator.inputs[1].PermissionModeID != nil || creator.inputs[1].StrictPermissionMode {
		t.Fatalf("default launch = %#v strict=%v, want no explicit mode and no strict flag", creator.inputs[1].PermissionModeID, creator.inputs[1].StrictPermissionMode)
	}
}

func TestIssueTaskLaunchFailsClosedOnUnsupportedPermissionMode(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-strict-reject", Name: "Strict reject"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &strictPermissionSessionCreator{supportedModes: map[string]struct{}{"acceptEdits": {}}}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
	}

	detail, err := service.CreateIssueFromPlan(ctx, "workspace-strict-reject", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-strict-reject",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Stale permission mode",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID:           "task-strict-reject",
			Title:            "Launch with stale mode",
			AgentTargetID:    agenttargetbiz.IDLocalCodex,
			PermissionModeID: "bogus-mode",
		}},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 1 || !creator.inputs[0].StrictPermissionMode {
		t.Fatalf("launch inputs = %#v, want one strict launch attempt", creator.inputs)
	}

	settled, err := service.GetIssueDetail(ctx, "workspace-strict-reject", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	task := settled.Tasks[0]
	if task.Status == workspaceissues.StatusRunning {
		t.Fatalf("task status = %q, want fail-closed launch instead of a silently downgraded running session", task.Status)
	}
	if settled.LatestRun == nil || settled.LatestRun.Status != workspaceissues.StatusFailed ||
		!strings.Contains(settled.LatestRun.ErrorMessage, "unsupported permission mode") {
		t.Fatalf("latest run = %#v, want failed run carrying the strict rejection", settled.LatestRun)
	}
}

func initIssueTaskGitRepo(t *testing.T) string {
	t.Helper()
	if _, err := exec.LookPath("git"); err != nil {
		t.Skip("git is unavailable in this environment")
	}
	dir := t.TempDir()
	for _, args := range [][]string{
		{"init", "--initial-branch=main"},
		{"config", "user.email", "test@example.com"},
		{"config", "user.name", "Test"},
		{"commit", "--allow-empty", "-m", "init"},
	} {
		command := exec.Command("git", append([]string{"-C", dir}, args...)...)
		// The push hook exports GIT_DIR to the real repository; without the
		// scrub these commands would commit onto the branch being pushed.
		command.Env = gitEnvironmentWithoutRepoOverrides()
		if output, err := command.CombinedOutput(); err != nil {
			t.Fatalf("git %v error = %v: %s", args, err, output)
		}
	}
	return dir
}

func newParallelizableDispatchService(t *testing.T, workspaceID string) (IssueManagerService, *sequentialSessionCreatorRecorder, string) {
	t.Helper()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: workspaceID, Name: "Workspace"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	worktreeRoot := t.TempDir()
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
		TaskWorktreeRoot:  worktreeRoot,
	}
	return service, creator, worktreeRoot
}

func acceptIssueTask(t *testing.T, service IssueManagerService, workspaceID string, issueID string, taskID string) {
	t.Helper()
	ctx := context.Background()
	detail, err := service.GetIssueDetail(ctx, workspaceID, issueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	for _, task := range detail.Tasks {
		if task.TaskID != taskID {
			continue
		}
		if _, err := service.CompleteRun(ctx, workspaceID, issueID, taskID, task.LatestRunID, CompleteIssueManagerRunInput{
			Status: string(workspaceissues.StatusCompleted),
		}); err != nil {
			t.Fatalf("CompleteRun(%q) error = %v", taskID, err)
		}
		if _, err := service.UpdateTask(ctx, workspaceID, issueID, taskID, UpdateIssueManagerTaskInput{
			Status:    string(workspaceissues.StatusCompleted),
			HasStatus: true,
		}); err != nil {
			t.Fatalf("UpdateTask(accept %q) error = %v", taskID, err)
		}
		return
	}
	t.Fatalf("task %q not found", taskID)
}

func TestSequentialIssueRunsParallelizableTasksInIsolatedWorktrees(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	repo := initIssueTaskGitRepo(t)
	service, creator, worktreeRoot := newParallelizableDispatchService(t, "ws-par-worktree")
	if _, err := service.CreateIssueFromPlan(ctx, "ws-par-worktree", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-worktree",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Worktree issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
			{TaskID: "p2", Title: "Second parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
		},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches = %d, want both parallelizable tasks launched together", len(creator.inputs))
	}
	cwds := map[string]bool{}
	for _, input := range creator.inputs {
		if input.Cwd == nil || *input.Cwd == "" {
			t.Fatalf("launch cwd missing: %#v", input)
		}
		cwd := *input.Cwd
		if cwd == repo {
			t.Fatalf("launch reused the shared checkout %q instead of a worktree", cwd)
		}
		if !strings.HasPrefix(cwd, worktreeRoot) {
			t.Fatalf("worktree %q is outside the configured root %q", cwd, worktreeRoot)
		}
		if _, err := os.Stat(filepath.Join(cwd, ".git")); err != nil {
			t.Fatalf("worktree %q is not a linked checkout: %v", cwd, err)
		}
		cwds[cwd] = true
		prompt := creator.inputs[0].InitialContent[0].Text
		if !strings.Contains(prompt, "dedicated git worktree") || !strings.Contains(prompt, "Do not push") {
			t.Fatalf("prompt lacks worktree isolation contract: %q", prompt)
		}
	}
	if len(cwds) != 2 {
		t.Fatalf("worktree cwds = %v, want two distinct directories", cwds)
	}
}

func TestSequentialIssueWorktreeDelegatesKeepSourceProjectRailPlacement(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	repo := initIssueTaskGitRepo(t)
	service, creator, worktreeRoot := newParallelizableDispatchService(t, "ws-par-source-placement")
	sectionKey := "project:" + repo
	sourcePlacement := &IssueRunRailPlacement{
		Kind:        "project",
		ProjectPath: repo,
		SectionKey:  sectionKey,
	}
	resolver := &countingIssueSourceSessionContextResolver{
		context: IssueSourceSessionContext{
			WorkingDirectory: repo,
			RailPlacement:    sourcePlacement,
		},
	}
	service.SourceSessionContextResolver = resolver
	if _, err := service.CreateIssueFromPlan(ctx, "ws-par-source-placement", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-source-placement",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Source placement issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, Parallelizable: true},
			{TaskID: "p2", Title: "Second parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, Parallelizable: true},
		},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.launches) != 2 {
		t.Fatalf("launches = %d, want both parallelizable tasks", len(creator.launches))
	}
	for _, launch := range creator.launches {
		if launch.ExecutionDirectory == repo || !strings.HasPrefix(launch.ExecutionDirectory, worktreeRoot) {
			t.Fatalf(
				"launch execution directory = %q, want isolated worktree under %q",
				launch.ExecutionDirectory,
				worktreeRoot,
			)
		}
		if launch.RailPlacement == nil {
			t.Fatalf("launch rail placement is nil")
		}
		if *launch.RailPlacement != *sourcePlacement {
			t.Fatalf("launch rail placement = %#v, want %#v", launch.RailPlacement, sourcePlacement)
		}
	}
	if resolver.calls != 1 {
		t.Fatalf("source context resolver calls = %d, want one immutable dispatch snapshot", resolver.calls)
	}
}

func TestIssueWithMissingSourceSessionDoesNotClaimOrLaunchRun(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	service, creator, _ := newParallelizableDispatchService(t, "ws-missing-source")
	service.SourceSessionContextResolver = staticIssueSourceSessionContextResolver{}

	detail, err := service.CreateIssueFromPlan(ctx, "ws-missing-source", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-missing-source",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Missing source",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "deleted-planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID: "task-1", Title: "Must wait", AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.launches) != 0 {
		t.Fatalf("launches = %#v, want none while source Session is unavailable", creator.launches)
	}
	if detail.Tasks[0].Status != workspaceissues.StatusNotStarted || detail.Tasks[0].LatestRunID != "" {
		t.Fatalf("task = %#v, want unclaimed not_started task", detail.Tasks[0])
	}
}

func TestSequentialIssueDegradesSharedNonGitParallelizableTasksToExclusive(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	shared := t.TempDir()
	service, creator, _ := newParallelizableDispatchService(t, "ws-par-degrade")
	if _, err := service.CreateIssueFromPlan(ctx, "ws-par-degrade", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-degrade",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Degrade issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: shared, Parallelizable: true},
			{TaskID: "p2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: shared, Parallelizable: true},
		},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches = %d, want exclusive degradation for a shared non-git directory", len(creator.inputs))
	}
	if creator.inputs[0].Cwd == nil || *creator.inputs[0].Cwd != shared {
		t.Fatalf("exclusive launch cwd = %#v, want the shared directory", creator.inputs[0].Cwd)
	}
	acceptIssueTask(t, service, "ws-par-degrade", "issue-degrade", "p1")
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after acceptance = %d, want the successor", len(creator.inputs))
	}
}

func TestSequentialIssueExclusiveTaskWaitsForParallelizableBatch(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	repo := initIssueTaskGitRepo(t)
	service, creator, _ := newParallelizableDispatchService(t, "ws-par-barrier")
	if _, err := service.CreateIssueFromPlan(ctx, "ws-par-barrier", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-barrier",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Barrier issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
			{TaskID: "p2", Title: "Second parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
			{TaskID: "s3", Title: "Exclusive", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo},
		},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("initial dispatches = %d, want only the parallelizable batch", len(creator.inputs))
	}
	acceptIssueTask(t, service, "ws-par-barrier", "issue-barrier", "p1")
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches with p2 still live = %d, exclusive task must wait", len(creator.inputs))
	}
	acceptIssueTask(t, service, "ws-par-barrier", "issue-barrier", "p2")
	if len(creator.inputs) != 3 {
		t.Fatalf("dispatches after batch drained = %d, want the exclusive task", len(creator.inputs))
	}
	exclusive := creator.inputs[2]
	if exclusive.Cwd == nil || *exclusive.Cwd != repo {
		t.Fatalf("exclusive launch cwd = %#v, want the base checkout", exclusive.Cwd)
	}
}

func TestAutoAcceptTaskCompletionAdvancesDispatchWithoutHumanGate(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-auto-accept", Name: "Auto accept"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-auto-accept", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-auto-accept",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Auto accept issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex, AutoAccept: true},
			{TaskID: "task-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-auto-accept", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after auto-accepted completion = %d, want 2", len(creator.inputs))
	}
	updated, err := service.GetIssueDetail(ctx, "workspace-auto-accept", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if updated.Tasks[0].Status != workspaceissues.StatusCompleted ||
		updated.Tasks[0].AcceptanceState != workspaceissues.AcceptanceUserAccepted {
		t.Fatalf("auto-accepted task = %#v, want completed and user_accepted", updated.Tasks[0])
	}
	if updated.Tasks[1].Status != workspaceissues.StatusRunning {
		t.Fatalf("second task status = %q, want running", updated.Tasks[1].Status)
	}
}

func TestReworkFromPendingAcceptanceRedispatchesSequentialHead(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-rework", Name: "Rework"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-rework", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-rework",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Rework issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "Only", AgentTargetID: agenttargetbiz.IDLocalCodex},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-rework", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
	}); err != nil {
		t.Fatalf("CompleteRun() error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches while pending acceptance = %d, want 1", len(creator.inputs))
	}
	if _, err := service.UpdateTask(ctx, "workspace-rework", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusNotStarted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(rework) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after rework = %d, want 2", len(creator.inputs))
	}
	updated, err := service.GetIssueDetail(ctx, "workspace-rework", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if updated.Tasks[0].Status != workspaceissues.StatusRunning {
		t.Fatalf("reworked task status = %q, want running", updated.Tasks[0].Status)
	}
}

func TestTuttiModePlanInitialScheduleMaterializationIsInert(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-inert-tutti", Name: "Inert Tutti"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	now := time.UnixMilli(1_700_000_000_000).UTC()
	createIssueManagerTuttiWorkflowFixture(t, store, "ws-inert-tutti", "inert-tutti", "planning-session", now)
	creator := &sequentialSessionCreatorRecorder{}
	executions := &tuttimodeexecutionservice.Service{
		Store: store,
		Clock: func() time.Time { return now },
	}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
		TuttiModeExecutions:          executions,
	}
	detail, err := service.CreateIssueFromPlan(ctx, "ws-inert-tutti", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:                "tutti-mode-plan-inert-tutti",
			TopicID:                workspaceissues.DefaultTopicID,
			Title:                  "Inert Tutti issue",
			PlanningSource:         string(workspaceissues.PlanningSourceTuttiModePlan),
			SourceSessionID:        "planning-session",
			SequentialExecution:    true,
			TuttiModeWorkflowOwned: true,
			TuttiModeWorkflowID:    "inert-tutti",
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex, AutoAccept: true},
			{TaskID: "task-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 0 {
		t.Fatalf("initial dispatches = %d, want 0", len(creator.inputs))
	}
	for _, task := range detail.Tasks {
		if task.Status != workspaceissues.StatusNotStarted || task.LatestRunID != "" {
			t.Fatalf("materialized task = %#v, want inert not_started task", task)
		}
	}
	runs, err := service.ListRuns(ctx, "ws-inert-tutti", detail.Issue.IssueID, "")
	if err != nil || len(runs) != 0 {
		t.Fatalf("materialized runs = %#v error=%v, want none", runs, err)
	}
	aggregate, err := executions.GetByIssue(ctx, "ws-inert-tutti", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetByIssue() error = %v", err)
	}
	if aggregate.Execution.Status != executionbiz.StatusAwaitingSchedule ||
		aggregate.Execution.GraphRevision != 1 ||
		len(aggregate.Checkpoints) != 1 ||
		aggregate.Checkpoints[0].Kind != executionbiz.CheckpointKindInitialSchedule ||
		aggregate.Checkpoints[0].Status != executionbiz.CheckpointStatusActive {
		t.Fatalf("initial execution aggregate = %#v", aggregate)
	}
}

type runSessionCancellerRecorder struct {
	canceledSessionIDs []string
}

func (r *runSessionCancellerRecorder) RequestRunCancellation(_ context.Context, request IssueRunCancellationRequest) (IssueRunCancelResult, error) {
	r.canceledSessionIDs = append(r.canceledSessionIDs, request.AgentSessionID)
	return IssueRunCancelResult{
		State: IssueRunCancelCanceled,
		Settlement: &IssueRunSettlement{
			WorkspaceID:    request.WorkspaceID,
			AgentSessionID: request.AgentSessionID,
			Status:         workspaceissues.StatusCanceled,
		},
	}, nil
}

type failingRunSessionCanceller struct{}

func (failingRunSessionCanceller) RequestRunCancellation(context.Context, IssueRunCancellationRequest) (IssueRunCancelResult, error) {
	return IssueRunCancelResult{}, errors.New("cancel unavailable")
}

type reentrantRunSessionCanceller struct {
	coordinator *IssueExecutionCoordinator
	turnID      string
}

func (r *reentrantRunSessionCanceller) RequestRunCancellation(ctx context.Context, request IssueRunCancellationRequest) (IssueRunCancelResult, error) {
	outcome := "canceled"
	r.coordinator.ObserveAgentSessionState(ctx, canonical.ReportSessionStateInput{
		WorkspaceID:    request.WorkspaceID,
		AgentSessionID: request.AgentSessionID,
		State: canonical.WorkspaceAgentSessionStateUpdate{
			TurnLifecycle: &canonical.WorkspaceAgentTurnLifecycle{Phase: "settled", Outcome: &outcome},
			Turn:          &canonical.WorkspaceAgentTurnStateUpdate{TurnID: r.turnID, Phase: "settled", Outcome: outcome},
		},
	}, canonical.ReportSessionStateReply{})
	return IssueRunCancelResult{State: IssueRunCancelAccepted}, nil
}

func TestCancelIssueExecutionCancelsAllRunningTraditionalPlanRuns(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-stop-cascade", Name: "Stop cascade"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	canceller := &runSessionCancellerRecorder{}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		MutationLocks:                NewIssueMutationLocks(),
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
	}
	coordinator := IssueExecutionCoordinator{Issues: &service, RunSessionCanceller: canceller}
	detail, err := service.CreateIssueFromPlan(ctx, "ws-stop-cascade", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "traditional-plan-stop-cascade",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Stop cascade issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex},
			{TaskID: "task-2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, DependencyTaskIDs: []string{"task-1"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("initial dispatches = %d, want 1", len(creator.inputs))
	}
	// Explicit Issue cancellation settles the live run and durably pauses
	// traditional Plan dispatch.
	if _, err := coordinator.CancelIssueExecution(ctx, "ws-stop-cascade", detail.Issue.IssueID); err != nil {
		t.Fatalf("CancelIssueExecution() error = %v", err)
	}
	if len(canceller.canceledSessionIDs) != 1 {
		t.Fatalf("canceled sessions = %v, want the running run's session", canceller.canceledSessionIDs)
	}
	updated, err := service.GetIssueDetail(ctx, "ws-stop-cascade", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if !updated.Issue.DispatchPaused {
		t.Fatalf("issue dispatchPaused = false, want true after stop")
	}
	if updated.Tasks[0].Status != workspaceissues.StatusCanceled {
		t.Fatalf("running task status = %q, want canceled", updated.Tasks[0].Status)
	}
	if updated.Tasks[1].Status != workspaceissues.StatusNotStarted {
		t.Fatalf("successor status = %q, want untouched not_started", updated.Tasks[1].Status)
	}
	if len(creator.inputs) != 1 {
		t.Fatalf("dispatches after stop = %d, want no new launches", len(creator.inputs))
	}
	// Stop is idempotent.
	if _, err := coordinator.CancelIssueExecution(ctx, "ws-stop-cascade", detail.Issue.IssueID); err != nil {
		t.Fatalf("CancelIssueExecution() repeat error = %v", err)
	}
}

func TestCancelIssueExecutionAllowsSynchronousAgentSettlementReentry(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-stop-reentry", Name: "Stop reentry"}); err != nil {
		t.Fatal(err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatal(err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
		MutationLocks:     NewIssueMutationLocks(),
		RunLaunchGate:     NewIssueRunLaunchGate(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "ws-stop-reentry", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-stop-reentry",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Stop with synchronous settlement",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	})
	if err != nil {
		t.Fatal(err)
	}
	runID := detail.Tasks[0].LatestRunID
	turnID := "turn-stop-reentry"
	reader := issueRunSettlementReaderStub{settlementByRunID: map[string]IssueRunSettlement{
		runID: {TurnID: turnID, Status: workspaceissues.StatusCanceled},
	}}
	coordinator := &IssueExecutionCoordinator{Issues: &service, SettlementReader: reader}
	coordinator.RunSessionCanceller = &reentrantRunSessionCanceller{coordinator: coordinator, turnID: turnID}

	result := make(chan error, 1)
	go func() {
		_, cancelErr := coordinator.CancelIssueExecution(ctx, "ws-stop-reentry", detail.Issue.IssueID)
		result <- cancelErr
	}()
	select {
	case cancelErr := <-result:
		if cancelErr != nil {
			t.Fatalf("CancelIssueExecution() error = %v", cancelErr)
		}
	case <-time.After(time.Second):
		t.Fatal("CancelIssueExecution() deadlocked on synchronous Agent settlement")
	}
	updated, err := service.GetIssueDetail(ctx, "ws-stop-reentry", detail.Issue.IssueID)
	if err != nil {
		t.Fatal(err)
	}
	if !updated.Issue.DispatchPaused || updated.Tasks[0].Status != workspaceissues.StatusCanceled {
		t.Fatalf("stopped Issue = %#v tasks=%#v, want paused with canceled task", updated.Issue, updated.Tasks)
	}
}

func TestCancelIssueExecutionDoesNotForgeCanceledOutcomeOnAgentFailure(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-stop-failure", Name: "Stop failure"}); err != nil {
		t.Fatal(err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatal(err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:       creator,
		Store:             store,
		AgentTargetReader: store,
		MutationLocks:     NewIssueMutationLocks(),
		RunLaunchGate:     NewIssueRunLaunchGate(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "ws-stop-failure", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-stop-failure",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Stop failure",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	})
	if err != nil {
		t.Fatal(err)
	}
	coordinator := IssueExecutionCoordinator{Issues: &service, RunSessionCanceller: failingRunSessionCanceller{}}
	if _, err := coordinator.CancelIssueExecution(ctx, "ws-stop-failure", detail.Issue.IssueID); err == nil {
		t.Fatal("CancelIssueExecution() error = nil, want Agent cancellation failure")
	}
	updated, err := service.GetIssueDetail(ctx, "ws-stop-failure", detail.Issue.IssueID)
	if err != nil {
		t.Fatal(err)
	}
	if !updated.Issue.DispatchPaused {
		t.Fatal("Issue dispatch resumed after failed cancellation")
	}
	if updated.Tasks[0].Status != workspaceissues.StatusRunning {
		t.Fatalf("task status = %q, want running until canonical Agent settlement", updated.Tasks[0].Status)
	}
}

type reentrantIssueRunLauncher struct {
	issues *IssueManagerService
}

func (l reentrantIssueRunLauncher) Launch(ctx context.Context, launch IssueRunLaunch) error {
	_, err := l.issues.CompleteRun(ctx, launch.WorkspaceID, launch.IssueID, launch.TaskID, launch.RunID, CompleteIssueManagerRunInput{
		Status: string(workspaceissues.StatusCompleted),
	})
	return err
}

func TestIssueDispatchAllowsSynchronousLaunchSettlementReentry(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-launch-reentry", Name: "Launch reentry"}); err != nil {
		t.Fatal(err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatal(err)
		}
	}
	service := IssueManagerService{
		Store:             store,
		AgentTargetReader: store,
		MutationLocks:     NewIssueMutationLocks(),
		RunLaunchGate:     NewIssueRunLaunchGate(),
	}
	service.RunLauncher = reentrantIssueRunLauncher{issues: &service}

	result := make(chan error, 1)
	go func() {
		_, createErr := service.CreateIssueFromPlan(ctx, "ws-launch-reentry", CreateIssueManagerIssueFromPlanInput{
			Issue: CreateIssueManagerIssueInput{
				IssueID:             "issue-launch-reentry",
				TopicID:             workspaceissues.DefaultTopicID,
				Title:               "Launch with synchronous settlement",
				PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
				SequentialExecution: true,
			},
			Tasks: []CreateIssueManagerTaskItemInput{{
				TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex,
			}},
		})
		result <- createErr
	}()
	select {
	case createErr := <-result:
		if createErr != nil {
			t.Fatalf("CreateIssueFromPlan() error = %v", createErr)
		}
	case <-time.After(time.Second):
		t.Fatal("CreateIssueFromPlan() deadlocked on synchronous launch settlement")
	}
	updated, err := service.GetIssueDetail(ctx, "ws-launch-reentry", "issue-launch-reentry")
	if err != nil {
		t.Fatal(err)
	}
	if updated.Tasks[0].Status != workspaceissues.StatusPendingAcceptance {
		t.Fatalf("task status = %q, want pending_acceptance", updated.Tasks[0].Status)
	}
}

type blockingIssueRunLauncher struct {
	started chan struct{}
	release chan struct{}
}

func (l blockingIssueRunLauncher) Launch(context.Context, IssueRunLaunch) error {
	close(l.started)
	<-l.release
	return nil
}

func TestIssueStopFencesInFlightLaunchBeforeCancelingSession(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "ws-launch-stop-race", Name: "Launch stop race"}); err != nil {
		t.Fatal(err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatal(err)
		}
	}
	launcher := blockingIssueRunLauncher{started: make(chan struct{}), release: make(chan struct{})}
	canceller := &runSessionCancellerRecorder{}
	service := IssueManagerService{
		RunLauncher:              launcher,
		RunCancellationRequester: canceller,
		Store:                    store,
		AgentTargetReader:        store,
		MutationLocks:            NewIssueMutationLocks(),
		RunLaunchGate:            NewIssueRunLaunchGate(),
	}
	coordinator := IssueExecutionCoordinator{Issues: &service, RunSessionCanceller: canceller}
	createDone := make(chan error, 1)
	go func() {
		_, createErr := service.CreateIssueFromPlan(ctx, "ws-launch-stop-race", CreateIssueManagerIssueFromPlanInput{
			Issue: CreateIssueManagerIssueInput{
				IssueID:             "issue-launch-stop-race",
				TopicID:             workspaceissues.DefaultTopicID,
				Title:               "Launch stop race",
				PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
				SequentialExecution: true,
			},
			Tasks: []CreateIssueManagerTaskItemInput{{
				TaskID: "task-1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex,
			}},
		})
		createDone <- createErr
	}()
	<-launcher.started
	cancelDone := make(chan error, 1)
	go func() {
		_, cancelErr := coordinator.CancelIssueExecution(ctx, "ws-launch-stop-race", "issue-launch-stop-race")
		cancelDone <- cancelErr
	}()
	deadline := time.Now().Add(time.Second)
	for {
		current, readErr := service.GetIssueDetail(ctx, "ws-launch-stop-race", "issue-launch-stop-race")
		if readErr == nil && current.Issue.DispatchPaused {
			break
		}
		if time.Now().After(deadline) {
			t.Fatal("stop did not persist dispatch pause while launch was in flight")
		}
		time.Sleep(time.Millisecond)
	}
	select {
	case err := <-cancelDone:
		if err != nil {
			t.Fatalf("CancelIssueExecution() error = %v", err)
		}
	case <-time.After(time.Second):
		t.Fatal("CancelIssueExecution() waited for the external launch")
	}
	close(launcher.release)
	if err := <-createDone; err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(canceller.canceledSessionIDs) != 2 {
		t.Fatalf("canceled sessions = %v, want stop request plus post-launch compensation", canceller.canceledSessionIDs)
	}
	updated, err := service.GetIssueDetail(ctx, "ws-launch-stop-race", "issue-launch-stop-race")
	if err != nil {
		t.Fatal(err)
	}
	if !updated.Issue.DispatchPaused || updated.Tasks[0].Status != workspaceissues.StatusCanceled {
		t.Fatalf("stopped Issue = %#v tasks=%#v, want paused with canceled task", updated.Issue, updated.Tasks)
	}
}

func TestTraditionalPlanFailedRunCanBeReworkedAndRedispatched(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	store := openIssueServiceStore(t)
	if err := store.Create(ctx, workspacebiz.Summary{ID: "workspace-fail-notify", Name: "Fail notify"}); err != nil {
		t.Fatalf("Create() workspace error = %v", err)
	}
	for _, target := range agenttargetbiz.DefaultSystemTargets(time.Now().UnixMilli()) {
		if _, err := store.PutAgentTarget(ctx, target); err != nil {
			t.Fatalf("PutAgentTarget(%q) error = %v", target.ID, err)
		}
	}
	creator := &sequentialSessionCreatorRecorder{}
	service := IssueManagerService{
		RunLauncher:                  creator,
		Store:                        store,
		AgentTargetReader:            store,
		SourceSessionContextResolver: availableIssueSourceSessionContextResolver(),
	}
	detail, err := service.CreateIssueFromPlan(ctx, "workspace-fail-notify", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "traditional-plan-fail-rework",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Fail rework issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SourceSessionID:     "planning-session",
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "Only", AgentTargetID: agenttargetbiz.IDLocalCodex},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	if _, err := service.CompleteRun(ctx, "workspace-fail-notify", detail.Issue.IssueID, first.TaskID, first.LatestRunID, CompleteIssueManagerRunInput{
		Status:       string(workspaceissues.StatusFailed),
		ErrorMessage: "Agent session ended without reporting run completion.",
	}); err != nil {
		t.Fatalf("CompleteRun(failed) error = %v", err)
	}
	if _, err := service.UpdateTask(ctx, "workspace-fail-notify", detail.Issue.IssueID, first.TaskID, UpdateIssueManagerTaskInput{
		Status:    string(workspaceissues.StatusNotStarted),
		HasStatus: true,
	}); err != nil {
		t.Fatalf("UpdateTask(rework failed task) error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("dispatches after rework of failed task = %d, want 2", len(creator.inputs))
	}
	updated, err := service.GetIssueDetail(ctx, "workspace-fail-notify", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if updated.Tasks[0].Status != workspaceissues.StatusRunning {
		t.Fatalf("reworked task status = %q, want running", updated.Tasks[0].Status)
	}
}

func TestChainedParallelizableFlagsNormalizeToDependencyOrder(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	service, _, _ := newParallelizableDispatchService(t, "ws-par-normalize")
	detail, err := service.CreateIssueFromPlan(ctx, "ws-par-normalize", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-normalize",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Normalize issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		// A chained "parallel" group: p2 depends on its neighbor p1, so its
		// flag is a lie the dispatcher would ignore; p3 depends on p2 (now
		// exclusive) and may honestly stay parallelizable for future siblings.
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First", AgentTargetID: agenttargetbiz.IDLocalCodex, Parallelizable: true},
			{TaskID: "p2", Title: "Second", AgentTargetID: agenttargetbiz.IDLocalCodex, Parallelizable: true, DependencyTaskIDs: []string{"p1"}},
			{TaskID: "p3", Title: "Third", AgentTargetID: agenttargetbiz.IDLocalCodex, Parallelizable: true, DependencyTaskIDs: []string{"p2"}},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	flags := map[string]bool{}
	for _, task := range detail.Tasks {
		flags[task.TaskID] = task.Parallelizable
	}
	if !flags["p1"] || flags["p2"] || !flags["p3"] {
		t.Fatalf("normalized parallelizable flags = %v, want p1=true p2=false p3=true", flags)
	}
}

func TestIntegrationTaskPromptCarriesDependencyWorktreeBranches(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	repo := initIssueTaskGitRepo(t)
	service, creator, _ := newParallelizableDispatchService(t, "ws-par-integrate")
	if _, err := service.CreateIssueFromPlan(ctx, "ws-par-integrate", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-integrate",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Integrate issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "p1", Title: "First parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
			{TaskID: "p2", Title: "Second parallel", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, Parallelizable: true},
			{TaskID: "integrate", Title: "Integrate", AgentTargetID: agenttargetbiz.IDLocalCodex, ExecutionDirectory: repo, DependencyTaskIDs: []string{"p1", "p2"}},
		},
	}); err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	if len(creator.inputs) != 2 {
		t.Fatalf("initial dispatches = %d, want the parallel pair", len(creator.inputs))
	}
	acceptIssueTask(t, service, "ws-par-integrate", "issue-integrate", "p1")
	acceptIssueTask(t, service, "ws-par-integrate", "issue-integrate", "p2")
	if len(creator.inputs) != 3 {
		t.Fatalf("dispatches after acceptance = %d, want the integration task", len(creator.inputs))
	}
	prompt := creator.inputs[2].InitialContent[0].Text
	if !strings.Contains(prompt, "Dependency outputs") ||
		!strings.Contains(prompt, "branch tutti/task/p1-") ||
		!strings.Contains(prompt, "branch tutti/task/p2-") ||
		!strings.Contains(prompt, "git merge") {
		t.Fatalf("integration prompt lacks dependency branch pointers: %q", prompt)
	}
}

func TestTuttiModeTaskPromptScalesValidationWithEffect(t *testing.T) {
	t.Parallel()
	task := workspaceissues.Task{Title: "Implement preferences", Content: "Wire both values"}
	for _, testCase := range []struct {
		effect int
		want   string
	}{
		{effect: 20, want: "at least one focused check"},
		{effect: 50, want: "relevant tests plus an integration check"},
		{effect: 90, want: "edge or variant case"},
	} {
		issue := workspaceissues.Issue{
			Title:          "Tutti preferences",
			Content:        "Implement the plan",
			PlanningSource: workspaceissues.PlanningSourceTuttiModePlan,
			ExecutionProfile: workspaceissues.ExecutionProfile{
				ReasoningIntensity: testCase.effect,
			},
		}
		prompt := issueTaskPrompt(issue, task, ".", "", "", nil)
		if !strings.Contains(prompt, fmt.Sprintf("Tutti effect preference: %d/100", testCase.effect)) ||
			!strings.Contains(prompt, testCase.want) {
			t.Fatalf("effect %d prompt = %q, want validation guidance containing %q", testCase.effect, prompt, testCase.want)
		}
	}
}

func TestAgentSettlementCompletesOnlyTheInitiatingTurnRun(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	service, creator, _ := newParallelizableDispatchService(t, "ws-turn-match")
	reader := issueRunSettlementReaderStub{settlementByRunID: map[string]IssueRunSettlement{}}
	coordinator := IssueExecutionCoordinator{Issues: &service, SettlementReader: reader}
	detail, err := service.CreateIssueFromPlan(ctx, "ws-turn-match", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-turn-match",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Turn match issue",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{
			{TaskID: "task-1", Title: "Only", AgentTargetID: agenttargetbiz.IDLocalCodex},
		},
	})
	if err != nil {
		t.Fatalf("CreateIssueFromPlan() error = %v", err)
	}
	first := detail.Tasks[0]
	reader.settlementByRunID[first.LatestRunID] = IssueRunSettlement{
		TurnID: "turn-brief",
		Status: workspaceissues.StatusCompleted,
	}
	sessionID := creator.inputs[0].AgentSessionID
	outcome := "completed"
	settledState := func(turnID string) canonical.ReportSessionStateInput {
		return canonical.ReportSessionStateInput{
			WorkspaceID:    "ws-turn-match",
			AgentSessionID: sessionID,
			State: canonical.WorkspaceAgentSessionStateUpdate{
				TurnLifecycle: &canonical.WorkspaceAgentTurnLifecycle{Phase: "settled", Outcome: &outcome},
				Turn: &canonical.WorkspaceAgentTurnStateUpdate{
					TurnID:  turnID,
					Phase:   "settled",
					Outcome: outcome,
				},
			},
		}
	}

	// A different turn settling in the delegate conversation (e.g. a human
	// interjection) must not complete the run.
	coordinator.ObserveAgentSessionState(ctx, settledState("turn-interjection"), canonical.ReportSessionStateReply{})
	after, err := service.GetIssueDetail(ctx, "ws-turn-match", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if after.Tasks[0].Status != workspaceissues.StatusRunning {
		t.Fatalf("task status after unrelated settle = %q, want running", after.Tasks[0].Status)
	}

	// The run's own initiating turn settling completes it.
	coordinator.ObserveAgentSessionState(ctx, settledState("turn-brief"), canonical.ReportSessionStateReply{})
	settled, err := service.GetIssueDetail(ctx, "ws-turn-match", detail.Issue.IssueID)
	if err != nil {
		t.Fatalf("GetIssueDetail() error = %v", err)
	}
	if settled.Tasks[0].Status != workspaceissues.StatusPendingAcceptance {
		t.Fatalf("task status after initiating settle = %q, want pending_acceptance", settled.Tasks[0].Status)
	}
}

func TestIssueRunReconcilerRecoversExactCanonicalSettlement(t *testing.T) {
	t.Parallel()
	ctx := context.Background()
	service, _, _ := newParallelizableDispatchService(t, "ws-settlement-recovery")
	detail, err := service.CreateIssueFromPlan(ctx, "ws-settlement-recovery", CreateIssueManagerIssueFromPlanInput{
		Issue: CreateIssueManagerIssueInput{
			IssueID:             "issue-settlement-recovery",
			TopicID:             workspaceissues.DefaultTopicID,
			Title:               "Settlement recovery",
			PlanningSource:      string(workspaceissues.PlanningSourceTraditionalPlan),
			SequentialExecution: true,
		},
		Tasks: []CreateIssueManagerTaskItemInput{{
			TaskID: "task-1", Title: "Only", AgentTargetID: agenttargetbiz.IDLocalCodex,
		}},
	})
	if err != nil {
		t.Fatal(err)
	}
	runID := detail.Tasks[0].LatestRunID
	coordinator := IssueExecutionCoordinator{
		Issues: &service,
		SettlementReader: issueRunSettlementReaderStub{settlementByRunID: map[string]IssueRunSettlement{
			runID: {
				TurnID: "turn-recovered",
				Status: workspaceissues.StatusCompleted,
			},
		}},
	}
	result, err := coordinator.ReconcileRunningRuns(ctx, "ws-settlement-recovery")
	if err != nil {
		t.Fatalf("ReconcileRunningRuns() error = %v", err)
	}
	if result.CompletedCount != 1 {
		t.Fatalf("completed count = %d, want 1", result.CompletedCount)
	}
	updated, err := service.GetIssueDetail(ctx, "ws-settlement-recovery", detail.Issue.IssueID)
	if err != nil {
		t.Fatal(err)
	}
	if updated.Tasks[0].Status != workspaceissues.StatusPendingAcceptance {
		t.Fatalf("task status = %q, want pending_acceptance", updated.Tasks[0].Status)
	}
}