feat: enhance host resolution, filtering, and cache management

- **Strategies**: Add resolver strategy input validation and parsing in setup wizard. Support comma-separated input with known strategy mapping.
- **Client**: Extend Search and SearchAll to include kind and tag filters. Add pagination for full cache refresh handling large datasets.
- **Cache**: Introduce `RecentlyUsed` and `MarkUsed`. Persist `LastUsed` timestamps for entries.
- **TUI**: Add recent hosts view, tag/kind filters, and inline editor for user/port override.
- **Tests**: Comprehensive unit tests for new features, including strategy validation, cache behavior, and client filtering.
- **Docs**: Update README with new TUI features and cache subcommands.

internal/netbox/client.go

@@ -31,47 +31,111 @@ func NewClient(baseURL, token string, tokenVersion int) *Client {
 	}
 }
 
-// Search queries devices and VMs in parallel and merges the results.
-func (c *Client) Search(ctx context.Context, query string) ([]HostEntry, error) {
+// Search queries up to 50 devices and VMs in parallel and merges the results.
+// Use SearchOptions to restrict by kind or tag.
+func (c *Client) Search(ctx context.Context, query string, opts SearchOptions) ([]HostEntry, error) {
 	var (
 		mu      sync.Mutex
 		results []HostEntry
 		errs    []error
 		wg      sync.WaitGroup
+		started int
 	)
 
-	wg.Add(2)
+	if opts.Kind != "vm" {
+		started++
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			devices, err := c.searchDevices(ctx, query, opts.Tag)
+			mu.Lock()
+			defer mu.Unlock()
+			if err != nil {
+				errs = append(errs, fmt.Errorf("devices: %w", err))
+				return
+			}
+			results = append(results, devices...)
+		}()
+	}
 
-	go func() {
-		defer wg.Done()
-		devices, err := c.searchDevices(ctx, query)
-		mu.Lock()
-		defer mu.Unlock()
-		if err != nil {
-			errs = append(errs, fmt.Errorf("devices: %w", err))
-			return
-		}
-		results = append(results, devices...)
-	}()
-
-	go func() {
-		defer wg.Done()
-		vms, err := c.searchVMs(ctx, query)
-		mu.Lock()
-		defer mu.Unlock()
-		if err != nil {
-			errs = append(errs, fmt.Errorf("vms: %w", err))
-			return
-		}
-		results = append(results, vms...)
-	}()
+	if opts.Kind != "device" {
+		started++
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			vms, err := c.searchVMs(ctx, query, opts.Tag)
+			mu.Lock()
+			defer mu.Unlock()
+			if err != nil {
+				errs = append(errs, fmt.Errorf("vms: %w", err))
+				return
+			}
+			results = append(results, vms...)
+		}()
+	}
 
 	wg.Wait()
 
-	if len(errs) == 2 {
+	if len(errs) == started {
+		if started == 1 {
+			return nil, errs[0]
+		}
 		return nil, fmt.Errorf("netbox search failed: %v; %v", errs[0], errs[1])
 	}
+	return results, nil
+}
 
+// SearchAll paginates through all matching devices and VMs, fetching every page.
+// Intended for cache refresh; use Search for interactive queries.
+func (c *Client) SearchAll(ctx context.Context, query string, opts SearchOptions) ([]HostEntry, error) {
+	var (
+		mu      sync.Mutex
+		results []HostEntry
+		errs    []error
+		wg      sync.WaitGroup
+		started int
+	)
+
+	if opts.Kind != "vm" {
+		started++
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			devices, err := c.fetchAllDevices(ctx, query, opts.Tag)
+			mu.Lock()
+			defer mu.Unlock()
+			if err != nil {
+				errs = append(errs, fmt.Errorf("devices: %w", err))
+				return
+			}
+			results = append(results, devices...)
+		}()
+	}
+
+	if opts.Kind != "device" {
+		started++
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			vms, err := c.fetchAllVMs(ctx, query, opts.Tag)
+			mu.Lock()
+			defer mu.Unlock()
+			if err != nil {
+				errs = append(errs, fmt.Errorf("vms: %w", err))
+				return
+			}
+			results = append(results, vms...)
+		}()
+	}
+
+	wg.Wait()
+
+	if len(errs) == started {
+		if started == 1 {
+			return nil, errs[0]
+		}
+		return nil, fmt.Errorf("netbox search failed: %v; %v", errs[0], errs[1])
+	}
 	return results, nil
 }
 
@@ -114,8 +178,11 @@ func (c *Client) GetIPsWithFilter(ctx context.Context, filterParams string) ([]s
 	return ips, nil
 }
 
-func (c *Client) searchDevices(ctx context.Context, query string) ([]HostEntry, error) {
+func (c *Client) searchDevices(ctx context.Context, query, tag string) ([]HostEntry, error) {
 	apiURL := fmt.Sprintf("%s/api/dcim/devices/?name__ic=%s&limit=50", c.baseURL, url.QueryEscape(query))
+	if tag != "" {
+		apiURL += "&tag=" + url.QueryEscape(tag)
+	}
 	var resp netboxListResponse[netboxDevice]
 	if err := c.get(ctx, apiURL, &resp); err != nil {
 		return nil, err
@@ -127,8 +194,11 @@ func (c *Client) searchDevices(ctx context.Context, query string) ([]HostEntry,
 	return entries, nil
 }
 
-func (c *Client) searchVMs(ctx context.Context, query string) ([]HostEntry, error) {
+func (c *Client) searchVMs(ctx context.Context, query, tag string) ([]HostEntry, error) {
 	apiURL := fmt.Sprintf("%s/api/virtualization/virtual-machines/?name__ic=%s&limit=50", c.baseURL, url.QueryEscape(query))
+	if tag != "" {
+		apiURL += "&tag=" + url.QueryEscape(tag)
+	}
 	var resp netboxListResponse[netboxVM]
 	if err := c.get(ctx, apiURL, &resp); err != nil {
 		return nil, err
@@ -140,6 +210,52 @@ func (c *Client) searchVMs(ctx context.Context, query string) ([]HostEntry, erro
 	return entries, nil
 }
 
+func (c *Client) fetchAllDevices(ctx context.Context, query, tag string) ([]HostEntry, error) {
+	const pageSize = 50
+	var all []HostEntry
+	for offset := 0; ; offset += pageSize {
+		apiURL := fmt.Sprintf("%s/api/dcim/devices/?name__ic=%s&limit=%d&offset=%d",
+			c.baseURL, url.QueryEscape(query), pageSize, offset)
+		if tag != "" {
+			apiURL += "&tag=" + url.QueryEscape(tag)
+		}
+		var resp netboxListResponse[netboxDevice]
+		if err := c.get(ctx, apiURL, &resp); err != nil {
+			return nil, err
+		}
+		for _, d := range resp.Results {
+			all = append(all, deviceToEntry(d))
+		}
+		if len(resp.Results) == 0 || len(all) >= resp.Count {
+			break
+		}
+	}
+	return all, nil
+}
+
+func (c *Client) fetchAllVMs(ctx context.Context, query, tag string) ([]HostEntry, error) {
+	const pageSize = 50
+	var all []HostEntry
+	for offset := 0; ; offset += pageSize {
+		apiURL := fmt.Sprintf("%s/api/virtualization/virtual-machines/?name__ic=%s&limit=%d&offset=%d",
+			c.baseURL, url.QueryEscape(query), pageSize, offset)
+		if tag != "" {
+			apiURL += "&tag=" + url.QueryEscape(tag)
+		}
+		var resp netboxListResponse[netboxVM]
+		if err := c.get(ctx, apiURL, &resp); err != nil {
+			return nil, err
+		}
+		for _, v := range resp.Results {
+			all = append(all, vmToEntry(v))
+		}
+		if len(resp.Results) == 0 || len(all) >= resp.Count {
+			break
+		}
+	}
+	return all, nil
+}
+
 // TokenVersion returns 2 for NetBox v2 tokens (nbt_ prefix) or 1 for legacy tokens.
 func TokenVersion(token string) int {
 	if strings.HasPrefix(token, "nbt_") {

internal/netbox/client_test.go

@@ -60,7 +60,7 @@ func TestSearch_ReturnsBothDevicesAndVMs(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	results, err := c.Search(context.Background(), "")
+	results, err := c.Search(context.Background(), "", SearchOptions{})
 	if err != nil {
 		t.Fatalf("Search: %v", err)
 	}
@@ -89,7 +89,7 @@ func TestSearch_MapsKindCorrectly(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	results, _ := c.Search(context.Background(), "")
+	results, _ := c.Search(context.Background(), "", SearchOptions{})
 
 	for _, r := range results {
 		switch r.Name {
@@ -115,7 +115,7 @@ func TestSearch_StripsPrefixFromPrimaryIP(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	results, _ := c.Search(context.Background(), "host")
+	results, _ := c.Search(context.Background(), "host", SearchOptions{})
 	if len(results) == 0 {
 		t.Fatal("expected at least one result")
 	}
@@ -140,7 +140,7 @@ func TestSearch_TagsAreMapped(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	results, _ := c.Search(context.Background(), "")
+	results, _ := c.Search(context.Background(), "", SearchOptions{})
 	if len(results[0].Tags) != 2 {
 		t.Errorf("tags: got %v, want [prod mgmt]", results[0].Tags)
 	}
@@ -161,7 +161,7 @@ func TestSearch_PartialFailure_ReturnsAvailableResults(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	results, err := c.Search(context.Background(), "")
+	results, err := c.Search(context.Background(), "", SearchOptions{})
 	if err != nil {
 		t.Fatalf("partial failure should not return error, got: %v", err)
 	}
@@ -179,7 +179,7 @@ func TestSearch_BothFail_ReturnsError(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "token", 0)
-	_, err := c.Search(context.Background(), "")
+	_, err := c.Search(context.Background(), "", SearchOptions{})
 	if err == nil {
 		t.Error("both endpoints failing should return an error")
 	}
@@ -289,7 +289,7 @@ func Test403_V1Token_HintsUpgrade(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "legacytoken", 1)
-	_, err := c.Search(context.Background(), "host")
+	_, err := c.Search(context.Background(), "host", SearchOptions{})
 	if err == nil {
 		t.Fatal("expected error on 403")
 	}
@@ -305,7 +305,7 @@ func Test403_V2Token_NoV1Hint(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "nbt_secret", 2)
-	_, err := c.Search(context.Background(), "host")
+	_, err := c.Search(context.Background(), "host", SearchOptions{})
 	if err == nil {
 		t.Fatal("expected error on 403")
 	}
@@ -328,7 +328,7 @@ func TestGet_SendsAuthorizationHeader(t *testing.T) {
 	defer srv.Close()
 
 	c := NewClient(srv.URL, "nbt_mytoken", 2)
-	c.Search(context.Background(), "") //nolint:errcheck
+	c.Search(context.Background(), "", SearchOptions{}) //nolint:errcheck
 
 	want := "Token nbt_mytoken"
 	if gotAuth != want {
@@ -336,6 +336,88 @@ func TestGet_SendsAuthorizationHeader(t *testing.T) {
 	}
 }
 
+func TestSearchAll_PaginatesResults(t *testing.T) {
+	// Simulate a NetBox endpoint with 3 total devices split across 2 pages.
+	// count=3 throughout; first page has 2 results, second has 1.
+	callCount := 0
+	mux := http.NewServeMux()
+	mux.HandleFunc("/api/dcim/devices/", func(w http.ResponseWriter, r *http.Request) {
+		callCount++
+		offset := r.URL.Query().Get("offset")
+		w.Header().Set("Content-Type", "application/json")
+		var resp netboxListResponse[netboxDevice]
+		switch offset {
+		case "", "0":
+			resp = netboxListResponse[netboxDevice]{
+				Count:   3,
+				Results: []netboxDevice{{ID: 1, Name: "d-01"}, {ID: 2, Name: "d-02"}},
+			}
+		default:
+			resp = netboxListResponse[netboxDevice]{
+				Count:   3,
+				Results: []netboxDevice{{ID: 3, Name: "d-03"}},
+			}
+		}
+		b, _ := json.Marshal(resp)
+		w.Write(b)
+	})
+	mux.HandleFunc("/api/virtualization/virtual-machines/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		b, _ := json.Marshal(vmListResponse())
+		w.Write(b)
+	})
+	srv := httptest.NewServer(mux)
+	defer srv.Close()
+
+	c := NewClient(srv.URL, "token", 0)
+	results, err := c.SearchAll(context.Background(), "", SearchOptions{})
+	if err != nil {
+		t.Fatalf("SearchAll: %v", err)
+	}
+	if len(results) != 3 {
+		t.Errorf("SearchAll: got %d results, want 3", len(results))
+	}
+	if callCount < 2 {
+		t.Errorf("expected at least 2 device API calls for pagination, got %d", callCount)
+	}
+}
+
+func TestSearch_KindFilterDeviceOnly(t *testing.T) {
+	srv := newTestServer(t, map[string]any{
+		"/api/dcim/devices/": deviceListResponse(
+			netboxDevice{ID: 1, Name: "sw-01"},
+		),
+	})
+	defer srv.Close()
+
+	c := NewClient(srv.URL, "token", 0)
+	results, err := c.Search(context.Background(), "", SearchOptions{Kind: "device"})
+	if err != nil {
+		t.Fatalf("Search: %v", err)
+	}
+	if len(results) != 1 || results[0].Name != "sw-01" {
+		t.Errorf("expected 1 device result, got %v", results)
+	}
+}
+
+func TestSearch_KindFilterVMOnly(t *testing.T) {
+	srv := newTestServer(t, map[string]any{
+		"/api/virtualization/virtual-machines/": vmListResponse(
+			netboxVM{ID: 1, Name: "vm-01"},
+		),
+	})
+	defer srv.Close()
+
+	c := NewClient(srv.URL, "token", 0)
+	results, err := c.Search(context.Background(), "", SearchOptions{Kind: "vm"})
+	if err != nil {
+		t.Fatalf("Search: %v", err)
+	}
+	if len(results) != 1 || results[0].Name != "vm-01" {
+		t.Errorf("expected 1 vm result, got %v", results)
+	}
+}
+
 func TestStripPrefix(t *testing.T) {
 	tests := []struct {
 		in   string

internal/netbox/models.go

@@ -1,5 +1,12 @@
 package netbox
 
+// SearchOptions filters a Search or SearchAll query.
+// Zero value means no filtering (return all kinds, no tag filter).
+type SearchOptions struct {
+	Tag  string // filter by tag slug; empty = no filter
+	Kind string // "device" | "vm" | "" (both)
+}
+
 // HostEntry is a unified model for both devices and virtual machines from NetBox.
 type HostEntry struct {
 	ID         int