dankinstall: add danksearch and dankcalendar as optional deps

core/cmd/dankinstall/main.go

@@ -23,6 +23,8 @@ var (
 	replaceConfigs    []string
 	replaceConfigsAll bool
 	yes               bool
+	danksearch        bool
+	dankcalendar      bool
 )
 
 var rootCmd = &cobra.Command{
@@ -49,6 +51,8 @@ func init() {
 	rootCmd.Flags().StringSliceVar(&replaceConfigs, "replace-configs", []string{}, "Deploy only named configs (e.g. niri,ghostty)")
 	rootCmd.Flags().BoolVar(&replaceConfigsAll, "replace-configs-all", false, "Deploy and replace all configurations")
 	rootCmd.Flags().BoolVarP(&yes, "yes", "y", false, "Auto-confirm all prompts")
+	rootCmd.Flags().BoolVar(&danksearch, "danksearch", false, "Install danksearch and enable its user indexing service")
+	rootCmd.Flags().BoolVar(&dankcalendar, "dankcalendar", false, "Install dankcalendar")
 }
 
 func main() {
@@ -74,6 +78,8 @@ func runDankinstall(cmd *cobra.Command, args []string) error {
 			"replace-configs",
 			"replace-configs-all",
 			"yes",
+			"danksearch",
+			"dankcalendar",
 		}
 		var set []string
 		for _, name := range headlessOnly {
@@ -109,6 +115,8 @@ func runHeadless() error {
 		ReplaceConfigs:    replaceConfigs,
 		ReplaceConfigsAll: replaceConfigsAll,
 		Yes:               yes,
+		DankSearch:        danksearch,
+		DankCalendar:      dankcalendar,
 	}
 
 	runner := headless.NewRunner(cfg)

core/cmd/dms/commands_doctor.go

@@ -886,6 +886,7 @@ func checkOptionalDependencies() []checkResult {
 		{"cava", "cava", "Audio visualizer", true},
 		{"khal", "khal", "Calendar events", false},
 		{"danksearch", "dsearch", "File search", false},
+		{"dankcalendar", "dcal", "Calendar app", false},
 		{"fprintd", "fprintd-list", "Fingerprint auth", false},
 	}
 

core/internal/distros/arch.go

@@ -119,10 +119,30 @@ func (a *ArchDistribution) DetectDependenciesWithTerminal(ctx context.Context, w
 
 	dependencies = append(dependencies, a.detectMatugen())
 	dependencies = append(dependencies, a.detectDgop())
+	dependencies = append(dependencies, a.detectDanksearch())
+	dependencies = append(dependencies, a.detectDankCalendar())
 
 	return dependencies, nil
 }
 
+func (a *ArchDistribution) detectDanksearch() deps.Dependency {
+	dep := a.BaseDistribution.detectDanksearch()
+	dep.CanToggle = true
+	if a.packageInstalled("dsearch-git") {
+		dep.Variant = deps.VariantGit
+	}
+	return dep
+}
+
+func (a *ArchDistribution) detectDankCalendar() deps.Dependency {
+	dep := a.BaseDistribution.detectDankCalendar()
+	dep.CanToggle = true
+	if a.packageInstalled("dankcalendar-git") {
+		dep.Variant = deps.VariantGit
+	}
+	return dep
+}
+
 func (a *ArchDistribution) detectXDGPortal() deps.Dependency {
 	return a.detectPackage("xdg-desktop-portal-gtk", "Desktop integration portal for GTK", a.packageInstalled("xdg-desktop-portal-gtk"))
 }
@@ -199,6 +219,8 @@ func (a *ArchDistribution) GetPackageMappingWithVariants(wm deps.WindowManager,
 		"alacritty":               {Name: "alacritty", Repository: RepoTypeSystem},
 		"xdg-desktop-portal-gtk":  {Name: "xdg-desktop-portal-gtk", Repository: RepoTypeSystem},
 		"accountsservice":         {Name: "accountsservice", Repository: RepoTypeSystem},
+		"danksearch":              a.getDanksearchMapping(variants["danksearch"]),
+		"dankcalendar":            a.getDankCalendarMapping(variants["dankcalendar"]),
 	}
 
 	switch wm {
@@ -253,6 +275,20 @@ func (a *ArchDistribution) getMatugenMapping(variant deps.PackageVariant) Packag
 	return PackageMapping{Name: "matugen", Repository: RepoTypeSystem}
 }
 
+func (a *ArchDistribution) getDanksearchMapping(variant deps.PackageVariant) PackageMapping {
+	if variant == deps.VariantGit {
+		return PackageMapping{Name: "dsearch-git", Repository: RepoTypeAUR}
+	}
+	return PackageMapping{Name: "dsearch-bin", Repository: RepoTypeAUR}
+}
+
+func (a *ArchDistribution) getDankCalendarMapping(variant deps.PackageVariant) PackageMapping {
+	if variant == deps.VariantGit {
+		return PackageMapping{Name: "dankcalendar-git", Repository: RepoTypeAUR}
+	}
+	return PackageMapping{Name: "dankcalendar-bin", Repository: RepoTypeAUR}
+}
+
 func (a *ArchDistribution) getDMSMapping(variant deps.PackageVariant) PackageMapping {
 	if forceDMSGit || variant == deps.VariantGit {
 		return PackageMapping{Name: "dms-shell-git", Repository: RepoTypeAUR}

core/internal/distros/base.go

@@ -107,6 +107,14 @@ func (b *BaseDistribution) detectDgop() deps.Dependency {
 	return b.detectCommand("dgop", "Desktop portal management tool")
 }
 
+func (b *BaseDistribution) detectDanksearch() deps.Dependency {
+	return b.detectOptionalPackage("danksearch", "File indexing and search service", b.commandExists("dsearch") || b.commandExists("danksearch"))
+}
+
+func (b *BaseDistribution) detectDankCalendar() deps.Dependency {
+	return b.detectOptionalPackage("dankcalendar", "Calendar application", b.commandExists("dcal") || b.commandExists("dankcalendar"))
+}
+
 func (b *BaseDistribution) detectDMS() deps.Dependency {
 	dmsPath := filepath.Join(os.Getenv("HOME"), ".config/quickshell/dms")
 

core/internal/distros/debian.go

@@ -71,6 +71,8 @@ func (d *DebianDistribution) DetectDependenciesWithTerminal(ctx context.Context,
 
 	dependencies = append(dependencies, d.detectMatugen())
 	dependencies = append(dependencies, d.detectDgop())
+	dependencies = append(dependencies, d.detectDanksearch())
+	dependencies = append(dependencies, d.detectDankCalendar())
 
 	return dependencies, nil
 }
@@ -135,6 +137,8 @@ func (d *DebianDistribution) GetPackageMappingWithVariants(wm deps.WindowManager
 		"matugen":                 {Name: "matugen", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 		"dgop":                    {Name: "dgop", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 		"ghostty":                 {Name: "ghostty", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
+		"danksearch":              {Name: "danksearch", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
+		"dankcalendar":            {Name: "dankcalendar-git", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 	}
 
 	if wm == deps.WindowManagerNiri {

core/internal/distros/dsearch_service.go

@@ -0,0 +1,34 @@
+package distros
+
+import (
+	"context"
+	"fmt"
+	"os/exec"
+)
+
+// SetupDsearchService enables the dsearch.service user unit. Enablement failures
+// are returned for the caller to surface as a non-fatal warning.
+func SetupDsearchService(ctx context.Context, logf func(string)) error {
+	if logf == nil {
+		logf = func(string) {}
+	}
+
+	if err := runSystemctlUser(ctx, "daemon-reload"); err != nil {
+		return err
+	}
+
+	if err := runSystemctlUser(ctx, "enable", "--now", "dsearch.service"); err != nil {
+		return err
+	}
+	logf("Enabled dsearch.service")
+
+	return nil
+}
+
+func runSystemctlUser(ctx context.Context, args ...string) error {
+	cmd := exec.CommandContext(ctx, "systemctl", append([]string{"--user"}, args...)...)
+	if output, err := cmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("systemctl --user %v failed: %w: %s", args, err, string(output))
+	}
+	return nil
+}

core/internal/distros/fedora.go

@@ -104,6 +104,8 @@ func (f *FedoraDistribution) DetectDependenciesWithTerminal(ctx context.Context,
 
 	dependencies = append(dependencies, f.detectMatugen())
 	dependencies = append(dependencies, f.detectDgop())
+	dependencies = append(dependencies, f.detectDanksearch())
+	dependencies = append(dependencies, f.detectDankCalendar())
 
 	return dependencies, nil
 }
@@ -138,6 +140,8 @@ func (f *FedoraDistribution) GetPackageMappingWithVariants(wm deps.WindowManager
 		"matugen":                 {Name: "matugen", Repository: RepoTypeCOPR, RepoURL: "avengemedia/danklinux"},
 		"dms (DankMaterialShell)": f.getDmsMapping(variants["dms (DankMaterialShell)"]),
 		"dgop":                    {Name: "dgop", Repository: RepoTypeCOPR, RepoURL: "avengemedia/danklinux"},
+		"danksearch":              {Name: "danksearch", Repository: RepoTypeCOPR, RepoURL: "avengemedia/danklinux"},
+		"dankcalendar":            {Name: "dankcalendar-git", Repository: RepoTypeCOPR, RepoURL: "avengemedia/danklinux"},
 	}
 
 	switch wm {

core/internal/distros/gentoo.go

@@ -113,6 +113,7 @@ func (g *GentooDistribution) DetectDependenciesWithTerminal(ctx context.Context,
 
 	dependencies = append(dependencies, g.detectMatugen())
 	dependencies = append(dependencies, g.detectDgop())
+	dependencies = append(dependencies, g.detectDanksearch())
 
 	return dependencies, nil
 }
@@ -171,6 +172,7 @@ func (g *GentooDistribution) GetPackageMappingWithVariants(wm deps.WindowManager
 		"matugen":                 {Name: "x11-misc/matugen", Repository: RepoTypeGURU, AcceptKeywords: archKeyword},
 		"dms (DankMaterialShell)": g.getDmsMapping(),
 		"dgop":                    {Name: "gui-apps/dgop", Repository: RepoTypeGURU, AcceptKeywords: archKeyword},
+		"danksearch":              {Name: "gui-apps/danksearch", Repository: RepoTypeGURU, AcceptKeywords: archKeyword},
 	}
 
 	switch wm {

core/internal/distros/opensuse.go

@@ -91,6 +91,8 @@ func (o *OpenSUSEDistribution) DetectDependenciesWithTerminal(ctx context.Contex
 
 	dependencies = append(dependencies, o.detectMatugen())
 	dependencies = append(dependencies, o.detectDgop())
+	dependencies = append(dependencies, o.detectDanksearch())
+	dependencies = append(dependencies, o.detectDankCalendar())
 
 	return dependencies, nil
 }
@@ -129,6 +131,8 @@ func (o *OpenSUSEDistribution) GetPackageMappingWithVariants(wm deps.WindowManag
 		"ghostty":                 {Name: "ghostty", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 		"matugen":                 {Name: "matugen", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 		"dgop":                    {Name: "dgop", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
+		"danksearch":              {Name: "danksearch", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
+		"dankcalendar":            {Name: "dankcalendar-git", Repository: RepoTypeOBS, RepoURL: "home:AvengeMedia:danklinux"},
 	}
 
 	switch wm {

core/internal/distros/ubuntu.go

@@ -80,6 +80,8 @@ func (u *UbuntuDistribution) DetectDependenciesWithTerminal(ctx context.Context,
 
 	dependencies = append(dependencies, u.detectMatugen())
 	dependencies = append(dependencies, u.detectDgop())
+	dependencies = append(dependencies, u.detectDanksearch())
+	dependencies = append(dependencies, u.detectDankCalendar())
 
 	return dependencies, nil
 }
@@ -124,6 +126,8 @@ func (u *UbuntuDistribution) GetPackageMappingWithVariants(wm deps.WindowManager
 		"matugen":                 {Name: "matugen", Repository: RepoTypePPA, RepoURL: "ppa:avengemedia/danklinux"},
 		"dgop":                    {Name: "dgop", Repository: RepoTypePPA, RepoURL: "ppa:avengemedia/danklinux"},
 		"ghostty":                 {Name: "ghostty", Repository: RepoTypePPA, RepoURL: "ppa:avengemedia/danklinux"},
+		"danksearch":              {Name: "danksearch", Repository: RepoTypePPA, RepoURL: "ppa:avengemedia/danklinux"},
+		"dankcalendar":            {Name: "dankcalendar-git", Repository: RepoTypePPA, RepoURL: "ppa:avengemedia/danklinux"},
 	}
 
 	switch wm {

core/internal/distros/void.go

@@ -83,6 +83,8 @@ func (v *VoidDistribution) DetectDependenciesWithTerminal(ctx context.Context, w
 
 	dependencies = append(dependencies, v.detectMatugen())
 	dependencies = append(dependencies, v.detectDgop())
+	dependencies = append(dependencies, v.detectDanksearch())
+	dependencies = append(dependencies, v.detectDankCalendar())
 
 	return dependencies, nil
 }
@@ -176,6 +178,8 @@ func (v *VoidDistribution) GetPackageMappingWithVariants(wm deps.WindowManager,
 		"dms (DankMaterialShell)": v.getDmsMapping(variants["dms (DankMaterialShell)"]),
 		"dms-greeter":             {Name: "dms-greeter", Repository: RepoTypeXBPS, RepoURL: VoidDMSRepo},
 		"dgop":                    {Name: "dgop", Repository: RepoTypeXBPS, RepoURL: VoidDankLinuxRepo},
+		"danksearch":              {Name: "danksearch", Repository: RepoTypeXBPS, RepoURL: VoidDankLinuxRepo},
+		"dankcalendar":            {Name: "dankcalendar", Repository: RepoTypeXBPS, RepoURL: VoidDankLinuxRepo},
 	}
 
 	switch wm {

core/internal/headless/runner.go

@@ -41,6 +41,8 @@ type Config struct {
 	ReplaceConfigs    []string // specific configs to deploy (e.g. "niri", "ghostty")
 	ReplaceConfigsAll bool     // deploy/replace all configurations
 	Yes               bool
+	DankSearch        bool // install danksearch and enable its user service
+	DankCalendar      bool // install dankcalendar
 }
 
 // Runner orchestrates unattended (headless) installation.
@@ -214,6 +216,11 @@ func (r *Runner) Run() error {
 		return fmt.Errorf("package installation failed: %w", err)
 	}
 
+	useSystemd := true
+	if distroConfig, exists := distros.Registry[osInfo.Distribution.ID]; exists && distroConfig.Family == distros.FamilyVoid {
+		useSystemd = false
+	}
+
 	// 9. Greeter setup (if dms-greeter was included)
 	if !disabledItems["dms-greeter"] && r.depExists(dependencies, "dms-greeter") {
 		compositorName := "niri"
@@ -231,15 +238,24 @@ func (r *Runner) Run() error {
 		}
 	}
 
+	// 9b. danksearch service setup (if danksearch was included)
+	if useSystemd && !disabledItems["danksearch"] && r.depExists(dependencies, "danksearch") {
+		fmt.Fprintln(os.Stdout, "Enabling danksearch service...")
+		logFunc := func(line string) {
+			r.log(line)
+			fmt.Fprintf(os.Stdout, "  danksearch: %s\n", line)
+		}
+		if err := distros.SetupDsearchService(context.Background(), logFunc); err != nil {
+			// Non-fatal, matching greeter behavior
+			fmt.Fprintf(os.Stderr, "Warning: danksearch service setup issue (non-fatal): %v\n", err)
+		}
+	}
+
 	// 10. Deploy configurations
 	fmt.Fprintln(os.Stdout, "Deploying configurations...")
 	r.log("Starting configuration deployment")
 
 	deployer := config.NewConfigDeployer(r.logChan)
-	useSystemd := true
-	if distroConfig, exists := distros.Registry[osInfo.Distribution.ID]; exists && distroConfig.Family == distros.FamilyVoid {
-		useSystemd = false
-	}
 	results, err := deployer.DeployConfigurationsSelectiveWithReinstallsAndSystemd(
 		context.Background(),
 		wm,
@@ -272,19 +288,31 @@ func (r *Runner) Run() error {
 }
 
 // buildDisabledItems computes the set of dependencies that should be skipped
-// during installation, applying the --include-deps and --exclude-deps filters.
-// dms-greeter is disabled by default (opt-in), matching TUI behavior.
+// during installation. Optional components are opt-in (disabled by default),
+// then re-enabled by the dedicated flags and --include-deps.
 func (r *Runner) buildDisabledItems(dependencies []deps.Dependency) (map[string]bool, error) {
 	disabledItems := make(map[string]bool)
 
-	// dms-greeter is opt-in (disabled by default), matching TUI behavior
 	for i := range dependencies {
-		if dependencies[i].Name == "dms-greeter" {
-			disabledItems["dms-greeter"] = true
-			break
+		if !dependencies[i].Required {
+			disabledItems[dependencies[i].Name] = true
 		}
 	}
 
+	// Dedicated flags resolve before include/exclude
+	if r.cfg.DankSearch {
+		if !r.depExists(dependencies, "danksearch") {
+			return nil, fmt.Errorf("--danksearch: not available on this distribution")
+		}
+		delete(disabledItems, "danksearch")
+	}
+	if r.cfg.DankCalendar {
+		if !r.depExists(dependencies, "dankcalendar") {
+			return nil, fmt.Errorf("--dankcalendar: not available on this distribution")
+		}
+		delete(disabledItems, "dankcalendar")
+	}
+
 	// Process --include-deps (enable items that are disabled by default)
 	for _, name := range r.cfg.IncludeDeps {
 		name = strings.TrimSpace(name)

core/internal/headless/runner_test.go

@@ -342,17 +342,21 @@ func TestConfigReplaceConfigsStoredCorrectly(t *testing.T) {
 
 func TestBuildDisabledItems(t *testing.T) {
 	dependencies := []deps.Dependency{
-		{Name: "niri", Status: deps.StatusInstalled},
-		{Name: "ghostty", Status: deps.StatusMissing},
-		{Name: "dms (DankMaterialShell)", Status: deps.StatusInstalled},
+		{Name: "niri", Status: deps.StatusInstalled, Required: true},
+		{Name: "ghostty", Status: deps.StatusMissing, Required: true},
+		{Name: "dms (DankMaterialShell)", Status: deps.StatusInstalled, Required: true},
 		{Name: "dms-greeter", Status: deps.StatusMissing},
-		{Name: "waybar", Status: deps.StatusMissing},
+		{Name: "danksearch", Status: deps.StatusMissing},
+		{Name: "dankcalendar", Status: deps.StatusMissing},
+		{Name: "waybar", Status: deps.StatusMissing, Required: true},
 	}
 
 	tests := []struct {
 		name         string
 		includeDeps  []string
 		excludeDeps  []string
+		dankSearch   bool
+		dankCalendar bool
 		deps         []deps.Dependency // nil means use the shared fixture
 		wantErr      bool
 		errContains  string   // substring expected in error message
@@ -360,19 +364,20 @@ func TestBuildDisabledItems(t *testing.T) {
 		wantEnabled  []string // dep names that should NOT be in disabledItems (extra check)
 	}{
 		{
-			name:         "no flags set, dms-greeter disabled by default",
-			wantDisabled: []string{"dms-greeter"},
+			name:         "no flags set, optional deps disabled by default",
+			wantDisabled: []string{"dms-greeter", "danksearch", "dankcalendar"},
 			wantEnabled:  []string{"niri", "ghostty", "waybar"},
 		},
 		{
-			name:        "include dms-greeter enables it",
-			includeDeps: []string{"dms-greeter"},
-			wantEnabled: []string{"dms-greeter"},
+			name:         "include dms-greeter enables it",
+			includeDeps:  []string{"dms-greeter"},
+			wantEnabled:  []string{"dms-greeter"},
+			wantDisabled: []string{"danksearch", "dankcalendar"},
 		},
 		{
 			name:         "exclude a regular dep",
 			excludeDeps:  []string{"waybar"},
-			wantDisabled: []string{"dms-greeter", "waybar"},
+			wantDisabled: []string{"dms-greeter", "danksearch", "dankcalendar", "waybar"},
 		},
 		{
 			name:        "include unknown dep returns error",
@@ -399,24 +404,53 @@ func TestBuildDisabledItems(t *testing.T) {
 			wantDisabled: []string{"dms-greeter"},
 		},
 		{
-			name:        "whitespace entries are skipped",
-			includeDeps: []string{"  ", "dms-greeter"},
-			wantEnabled: []string{"dms-greeter"},
+			name:         "whitespace entries are skipped",
+			includeDeps:  []string{"  ", "dms-greeter"},
+			wantEnabled:  []string{"dms-greeter"},
+			wantDisabled: []string{"danksearch", "dankcalendar"},
 		},
 		{
-			name: "no dms-greeter in deps, nothing disabled by default",
+			name: "no optional deps present, nothing disabled by default",
 			deps: []deps.Dependency{
-				{Name: "niri", Status: deps.StatusInstalled},
+				{Name: "niri", Status: deps.StatusInstalled, Required: true},
 			},
 			wantEnabled: []string{"niri"},
 		},
+		{
+			name:         "danksearch flag enables it",
+			dankSearch:   true,
+			wantEnabled:  []string{"danksearch"},
+			wantDisabled: []string{"dms-greeter", "dankcalendar"},
+		},
+		{
+			name:         "dankcalendar flag enables it",
+			dankCalendar: true,
+			wantEnabled:  []string{"dankcalendar"},
+			wantDisabled: []string{"dms-greeter", "danksearch"},
+		},
+		{
+			name:        "danksearch flag when unavailable errors",
+			dankSearch:  true,
+			deps:        []deps.Dependency{{Name: "niri", Status: deps.StatusInstalled, Required: true}},
+			wantErr:     true,
+			errContains: "--danksearch",
+		},
+		{
+			name:         "dankcalendar flag when unavailable errors",
+			dankCalendar: true,
+			deps:         []deps.Dependency{{Name: "niri", Status: deps.StatusInstalled, Required: true}},
+			wantErr:      true,
+			errContains:  "--dankcalendar",
+		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			r := NewRunner(Config{
-				IncludeDeps: tt.includeDeps,
-				ExcludeDeps: tt.excludeDeps,
+				IncludeDeps:  tt.includeDeps,
+				ExcludeDeps:  tt.excludeDeps,
+				DankSearch:   tt.dankSearch,
+				DankCalendar: tt.dankCalendar,
 			})
 			d := tt.deps
 			if d == nil {

core/internal/tui/views_config.go

@@ -139,6 +139,18 @@ func (m Model) deployConfigurations() tea.Cmd {
 	}
 }
 
+func (m Model) optionalDepSelected(name string) bool {
+	if m.disabledItems[name] {
+		return false
+	}
+	for _, dep := range m.dependencies {
+		if dep.Name == name {
+			return true
+		}
+	}
+	return false
+}
+
 func (m Model) useSystemdConfig() bool {
 	if m.osInfo == nil {
 		return true

core/internal/tui/views_dependencies.go

@@ -28,6 +28,21 @@ func (m Model) viewDetectingDeps() string {
 	return b.String()
 }
 
+func partitionOptionalLast(dependencies []deps.Dependency) []deps.Dependency {
+	ordered := make([]deps.Dependency, 0, len(dependencies))
+	for _, dep := range dependencies {
+		if dep.Required {
+			ordered = append(ordered, dep)
+		}
+	}
+	for _, dep := range dependencies {
+		if !dep.Required {
+			ordered = append(ordered, dep)
+		}
+	}
+	return ordered
+}
+
 func (m Model) viewDependencyReview() string {
 	var b strings.Builder
 
@@ -39,7 +54,15 @@ func (m Model) viewDependencyReview() string {
 	b.WriteString("\n\n")
 
 	if len(m.dependencies) > 0 {
+		optionalHeaderShown := false
 		for i, dep := range m.dependencies {
+			if !dep.Required && !optionalHeaderShown {
+				b.WriteString("\n")
+				b.WriteString(m.styles.Subtle.Render("Optional (space to enable)"))
+				b.WriteString("\n")
+				optionalHeaderShown = true
+			}
+
 			var status string
 			var reinstallMarker string
 			var variantMarker string
@@ -82,8 +105,13 @@ func (m Model) viewDependencyReview() string {
 			}
 
 			note := ""
-			if dep.Name == "dms-greeter" {
+			switch dep.Name {
+			case "dms-greeter":
 				note = m.styles.Subtle.Render(" (selection replaces your current display manager)")
+			case "danksearch":
+				note = m.styles.Subtle.Render(" (file search; enables dsearch.service)")
+			case "dankcalendar":
+				note = m.styles.Subtle.Render(" (autostart managed in dankcalendar settings)")
 			}
 
 			var line string
@@ -120,13 +148,13 @@ func (m Model) updateDetectingDepsState(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.err = depsMsg.err
 			m.state = StateError
 		} else {
-			m.dependencies = depsMsg.deps
-			// dms-greeter is opt-in skipped by default
-			for _, dep := range depsMsg.deps {
-				if dep.Name == "dms-greeter" {
-					m.disabledItems["dms-greeter"] = true
-					break
+			m.dependencies = partitionOptionalLast(depsMsg.deps)
+			// Optional components are opt-in, skipped by default
+			for _, dep := range m.dependencies {
+				if dep.Required {
+					continue
 				}
+				m.disabledItems[dep.Name] = true
 			}
 			m.state = StateDependencyReview
 		}
@@ -231,14 +259,7 @@ func (m Model) installPackages() tea.Cmd {
 			for msg := range installerProgressChan {
 				// Run optional greeter setup
 				if msg.Phase == distros.PhaseComplete && msg.IsComplete && msg.Error == nil {
-					greeterSelected := false
-					for _, dep := range m.dependencies {
-						if dep.Name == "dms-greeter" && !m.disabledItems["dms-greeter"] {
-							greeterSelected = true
-							break
-						}
-					}
-					if greeterSelected {
+					if m.optionalDepSelected("dms-greeter") {
 						compositorName := "niri"
 						switch m.selectedWindowManager() {
 						case deps.WindowManagerHyprland:
@@ -265,6 +286,28 @@ func (m Model) installPackages() tea.Cmd {
 								logOutput: fmt.Sprintf("⚠ Greeter auto-setup warning (non-fatal): %v", err),
 							}
 						}
+
+						if m.useSystemdConfig() && m.optionalDepSelected("danksearch") {
+							m.packageProgressChan <- packageInstallProgressMsg{
+								progress:  0.97,
+								step:      "Enabling danksearch service...",
+								logOutput: "Setting up dsearch.service...",
+							}
+							dsearchLogFunc := func(line string) {
+								m.packageProgressChan <- packageInstallProgressMsg{
+									progress:  0.97,
+									step:      "Enabling danksearch service...",
+									logOutput: line,
+								}
+							}
+							if err := distros.SetupDsearchService(context.Background(), dsearchLogFunc); err != nil {
+								m.packageProgressChan <- packageInstallProgressMsg{
+									progress:  0.98,
+									step:      "danksearch service warning",
+									logOutput: fmt.Sprintf("danksearch service setup warning (non-fatal): %v", err),
+								}
+							}
+						}
 					}
 				}
 				tuiMsg := packageInstallProgressMsg{