diff --git a/pkg/cli/audit_expanded_test.go b/pkg/cli/audit_expanded_test.go
index eb31c67c20a..5be2f9b54fa 100644
--- a/pkg/cli/audit_expanded_test.go
+++ b/pkg/cli/audit_expanded_test.go
@@ -15,6 +15,7 @@ import (
 )
 
 func TestExtractEngineConfig(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name           string
 		awInfoContent  string
@@ -54,6 +55,7 @@ func TestExtractEngineConfig(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if tt.expectNil && tt.awInfoContent == "" {
 				result := extractEngineConfigWithInferredEngine("", "")
 				assert.Nil(t, result, "Should return nil for empty logs path")
@@ -86,6 +88,7 @@ func TestExtractEngineConfig(t *testing.T) {
 }
 
 func TestExtractEngineConfigWithDetails(t *testing.T) {
+	t.Parallel()
 	tmpDir := testutil.TempDir(t, "engine-config-details-*")
 	awInfoContent := `{
 		"engine_id": "copilot",
@@ -113,6 +116,7 @@ func TestExtractEngineConfigWithDetails(t *testing.T) {
 }
 
 func TestExtractEngineConfigInferredWithoutAwInfo(t *testing.T) {
+	t.Parallel()
 	tmpDir := testutil.TempDir(t, "engine-infer-*")
 	logContent := `{"type":"result","subtype":"success","num_turns":3,"usage":{"input_tokens":100,"output_tokens":200}}`
 	require.NoError(t, os.WriteFile(filepath.Join(tmpDir, "agent-stdio.log"), []byte(logContent), 0o644))
@@ -124,6 +128,7 @@ func TestExtractEngineConfigInferredWithoutAwInfo(t *testing.T) {
 }
 
 func TestInferFallbackLogMetricsFindsNestedAgentStdioLog(t *testing.T) {
+	t.Parallel()
 	tmpDir := testutil.TempDir(t, "engine-infer-nested-*")
 	nestedDir := filepath.Join(tmpDir, "agent", "logs")
 	require.NoError(t, os.MkdirAll(nestedDir, 0o755))
@@ -136,6 +141,7 @@ func TestInferFallbackLogMetricsFindsNestedAgentStdioLog(t *testing.T) {
 }
 
 func TestExtractPromptAnalysis(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name            string
 		promptContent   string
@@ -184,6 +190,7 @@ func TestExtractPromptAnalysis(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if tt.name == "empty logs path" {
 				result := extractPromptAnalysis("")
 				assert.Nil(t, result, "Should return nil for empty logs path")
@@ -217,6 +224,7 @@ func TestExtractPromptAnalysis(t *testing.T) {
 }
 
 func TestBuildSessionAnalysis(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name            string
 		run             WorkflowRun
@@ -287,6 +295,7 @@ func TestBuildSessionAnalysis(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			processedRun := ProcessedRun{
 				Run:        tt.run,
 				JobDetails: tt.jobDetails,
@@ -314,6 +323,7 @@ func TestBuildSessionAnalysis(t *testing.T) {
 }
 
 func TestBuildSafeOutputSummary(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name          string
 		items         []CreatedItemReport
@@ -382,6 +392,7 @@ func TestBuildSafeOutputSummary(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			result := buildSafeOutputSummary(tt.items, tt.chainMetrics)
 			if tt.expectNil {
 				assert.Nil(t, result, "Should return nil for empty items")
@@ -405,6 +416,7 @@ func TestBuildSafeOutputSummary(t *testing.T) {
 }
 
 func TestBuildSafeOutputSummaryString(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name     string
 		details  []SafeOutputTypeDetail
@@ -434,6 +446,7 @@ func TestBuildSafeOutputSummaryString(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			result := buildSafeOutputSummaryString(tt.details)
 			assert.Equal(t, tt.expected, result, "Summary string should match")
 		})
@@ -441,6 +454,7 @@ func TestBuildSafeOutputSummaryString(t *testing.T) {
 }
 
 func TestPrettifySafeOutputType(t *testing.T) {
+	t.Parallel()
 	assert.Equal(t, "PR(s)", prettifySafeOutputType("create_pull_request"), "Should prettify PR type")
 	assert.Equal(t, "issue(s)", prettifySafeOutputType("create_issue"), "Should prettify issue type")
 	assert.Equal(t, "comment(s)", prettifySafeOutputType("add_comment"), "Should prettify comment type")
@@ -448,6 +462,7 @@ func TestPrettifySafeOutputType(t *testing.T) {
 }
 
 func TestBuildMCPServerHealth(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name        string
 		mcpUsage    *MCPToolUsageData
@@ -488,6 +503,7 @@ func TestBuildMCPServerHealth(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			result := buildMCPServerHealth(tt.mcpUsage, tt.mcpFailures)
 			if tt.expectNil {
 				assert.Nil(t, result, "Should return nil when both inputs are nil/empty")
@@ -506,6 +522,7 @@ func TestBuildMCPServerHealth(t *testing.T) {
 }
 
 func TestBuildMCPServerHealthErrorRate(t *testing.T) {
+	t.Parallel()
 	mcpUsage := &MCPToolUsageData{
 		Servers: []MCPServerStats{
 			{ServerName: "github", RequestCount: 100, ToolCallCount: 80, ErrorCount: 15, AvgDuration: "200ms"},
@@ -525,6 +542,7 @@ func TestBuildMCPServerHealthErrorRate(t *testing.T) {
 }
 
 func TestBuildSlowestToolCalls(t *testing.T) {
+	t.Parallel()
 	calls := []MCPToolCall{
 		{ServerName: "github", ToolName: "search_code", Duration: "100ms"},
 		{ServerName: "github", ToolName: "get_file", Duration: "500ms"},
@@ -542,6 +560,7 @@ func TestBuildSlowestToolCalls(t *testing.T) {
 }
 
 func TestBuildSlowestToolCallsEmpty(t *testing.T) {
+	t.Parallel()
 	result := buildSlowestToolCalls(nil, 5)
 	assert.Nil(t, result, "Should return nil for empty calls")
 
@@ -550,6 +569,7 @@ func TestBuildSlowestToolCallsEmpty(t *testing.T) {
 }
 
 func TestBuildAuditDataWithExpandedSections(t *testing.T) {
+	t.Parallel()
 	tmpDir := testutil.TempDir(t, "audit-expanded-*")
 
 	// Create test aw_info.json in activation/ subdir (unflattened artifact structure)
@@ -651,6 +671,7 @@ func TestBuildAuditDataWithExpandedSections(t *testing.T) {
 }
 
 func TestBuildAuditDataExpandedWithNoData(t *testing.T) {
+	t.Parallel()
 	// Test that expanded sections are nil when no data is available
 	processedRun := ProcessedRun{
 		Run: WorkflowRun{
@@ -672,6 +693,7 @@ func TestBuildAuditDataExpandedWithNoData(t *testing.T) {
 }
 
 func TestAwInfoHasMCPServers(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name           string
 		awInfoContent  string
@@ -706,6 +728,7 @@ func TestAwInfoHasMCPServers(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			tmpDir := testutil.TempDir(t, "mcp-servers-*")
 			targetDir := tmpDir
 			if tt.awInfoSubdir != "" {
diff --git a/pkg/cli/bootstrap_profile_git_test.go b/pkg/cli/bootstrap_profile_git_test.go
index 94e5ad86bfc..e5d159722b5 100644
--- a/pkg/cli/bootstrap_profile_git_test.go
+++ b/pkg/cli/bootstrap_profile_git_test.go
@@ -12,6 +12,7 @@ import (
 )
 
 func TestRunBootstrapCommitAndPushAction_CommitsAndPushesChanges(t *testing.T) {
+	t.Parallel()
 	repoDir := initBootstrapGitRepo(t)
 	remoteDir := t.TempDir()
 
@@ -74,6 +75,7 @@ func TestRunBootstrapCommitAndPushAction_CommitsAndPushesChanges(t *testing.T) {
 }
 
 func TestRunBootstrapCommitAndPushAction_RequiresRepoDir(t *testing.T) {
+	t.Parallel()
 	if err := runBootstrapCommitAndPushAction(context.Background(), "", repositoryPackageBootstrapAction{
 		Type:    "commit-and-push",
 		Message: "Bootstrap repository changes",
@@ -83,6 +85,7 @@ func TestRunBootstrapCommitAndPushAction_RequiresRepoDir(t *testing.T) {
 }
 
 func TestRunBootstrapCommitAndPushAction_SkipsCleanCheckout(t *testing.T) {
+	t.Parallel()
 	repoDir := initBootstrapGitRepo(t)
 	runRepoGit := func(args ...string) {
 		t.Helper()
diff --git a/pkg/cli/cli_consistency_help_test.go b/pkg/cli/cli_consistency_help_test.go
index d098b9429f7..e43bbbd19ba 100644
--- a/pkg/cli/cli_consistency_help_test.go
+++ b/pkg/cli/cli_consistency_help_test.go
@@ -15,6 +15,7 @@ import (
 )
 
 func TestAuditCommandDescriptionsAreConsistent(t *testing.T) {
+	t.Parallel()
 	cmd := NewAuditCommand()
 
 	assert.Contains(t, cmd.Short, "workflow runs", "audit short description should describe multiple run inputs")
@@ -23,6 +24,7 @@ func TestAuditCommandDescriptionsAreConsistent(t *testing.T) {
 }
 
 func TestTrialCommandUsesStandardExamplesHeading(t *testing.T) {
+	t.Parallel()
 	cmd := NewTrialCommand(func(string) error { return nil })
 
 	assert.NotEmpty(t, cmd.Example, "trial command should use cobra's Example field for examples")
@@ -36,6 +38,7 @@ func TestTrialCommandUsesStandardExamplesHeading(t *testing.T) {
 }
 
 func TestUpdateDocsIncludeCoolDownOption(t *testing.T) {
+	t.Parallel()
 	_, currentFile, _, ok := runtime.Caller(0)
 	require.True(t, ok, "should resolve current test file path")
 
@@ -52,6 +55,7 @@ func TestUpdateDocsIncludeCoolDownOption(t *testing.T) {
 }
 
 func TestCompileDocsReflectCurrentOptions(t *testing.T) {
+	t.Parallel()
 	_, currentFile, _, ok := runtime.Caller(0)
 	require.True(t, ok, "should resolve current test file path")
 
@@ -69,6 +73,7 @@ func TestCompileDocsReflectCurrentOptions(t *testing.T) {
 }
 
 func TestCLIDocsReflectStatusAuditAndExperimentsCommands(t *testing.T) {
+	t.Parallel()
 	_, currentFile, _, ok := runtime.Caller(0)
 	require.True(t, ok, "should resolve current test file path")
 
@@ -96,6 +101,7 @@ func TestCLIDocsReflectStatusAuditAndExperimentsCommands(t *testing.T) {
 }
 
 func TestSubcommandListingsUseHyphenBullets(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name    string
 		longDoc string
@@ -115,6 +121,7 @@ func TestSubcommandListingsUseHyphenBullets(t *testing.T) {
 }
 
 func TestSubcommandListingsMatchCobraShortDescriptions(t *testing.T) {
+	t.Parallel()
 	t.Run("secrets bootstrap", func(t *testing.T) {
 		cmd := NewSecretsCommand()
 		bootstrapCmd, _, err := cmd.Find([]string{"bootstrap"})
@@ -135,6 +142,7 @@ func TestSubcommandListingsMatchCobraShortDescriptions(t *testing.T) {
 }
 
 func TestHelpTextUsesStandardEgPunctuation(t *testing.T) {
+	t.Parallel()
 	assert.Contains(t, coolDownFlagUsage, "(e.g., 7d", "--cool-down help should use e.g., punctuation")
 	assert.Contains(t, NewEnvCommand().Long, "(e.g., default_max_turns)", "env help should use e.g., punctuation")
 	assert.Contains(t, NewDomainsCommand().Long, "(e.g., \"node\", \"python\", \"github\")", "domains help should use e.g., punctuation")
@@ -144,6 +152,7 @@ func TestHelpTextUsesStandardEgPunctuation(t *testing.T) {
 }
 
 func TestLegacyNestedGHHelpIsRejected(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name    string
 		newCmd  func() *cobra.Command
@@ -160,6 +169,7 @@ func TestLegacyNestedGHHelpIsRejected(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			cmd := tt.newCmd()
 			cmd.SilenceUsage = true
 			cmd.SilenceErrors = true