[client] Dispatch status snapshots only to visible windows

## Describe your changes

#6799 turned `AllowedIPsRefCounter` from an alias of the generic
`Counter` into a dedicated peer-aware type. A change merged in parallel
— `DefaultManager.ReconcilePeerAllowedIPs` (lazy-connection idle→wake
reconvergence) — calls `allowedIPsRefCounter.ReapplyMatching`, which
only existed on the generic `Counter`. Each PR built alone; the merged
`main` did not:

```
client/internal/routemanager/manager.go: m.allowedIPsRefCounter.ReapplyMatching undefined
```

Add `ReapplyMatching(pred, apply)` to the dedicated type, matching the
generic contract (keyed on the active/`Out` peer): it re-applies every
prefix whose currently installed peer satisfies `pred`, skipping
prefixes with no active peer (reconciled by the next
Increment/Decrement). Also update `reconcile_test.go` to construct the
counter via `refcounter.NewAllowedIPs` — the generic `refcounter.New`
return value is no longer assignable to the dedicated type.

Verified with `cd client && CGO_ENABLED=1 go build .` (the failing CI
step) and the `TestReconcilePeerAllowedIPs` / refcounter / routemanager
tests.

## Issue ticket number and link

No public issue — fixes a `main` build break from a semantic merge
conflict between #6799 and the `ReconcilePeerAllowedIPs` change. Failing
run:
https://github.com/netbirdio/netbird/actions/runs/30330882389/job/90185591366

## Stack

<!-- branch-stack -->

### Checklist
- [x] Is it a bug fix
- [ ] Is a typo/documentation fix
- [ ] Is a feature enhancement
- [ ] It is a refactor
- [ ] Created tests that fail without the change (if possible)

> By submitting this pull request, you confirm that you have read and
agree to the terms of the [Contributor License
Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md).

## Documentation
Select exactly one:

- [ ] I added/updated documentation for this change
- [x] Documentation is **not needed** for this change (explain why)

Internal build fix restoring a method on the AllowedIPs refcounter. No
public API, CLI, config, or behavior change.

### Docs PR URL (required if "docs added" is checked)
Paste the PR link from https://github.com/netbirdio/docs here:

N/A

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Bug Fixes**
* Improved route reconciliation so all applicable allowed IP prefixes
are reliably re-applied for the correct peer.
* Prevented reconciliation from affecting routes assigned to other
peers.
* Improved handling of errors encountered while restoring multiple
routes, providing more consistent results.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

client/android/client.go

@@ -23,7 +23,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	"github.com/netbirdio/netbird/client/internal/routemanager"
 	"github.com/netbirdio/netbird/client/internal/stdnet"
-	"github.com/netbirdio/netbird/client/mdm"
 	"github.com/netbirdio/netbird/client/net"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/formatter"
@@ -76,13 +75,6 @@ type Client struct {
 	connectClient *internal.ConnectClient
 	config        *profilemanager.Config
 	cacheDir      string
-
-	// mdmLoader holds the per-Client MDM policy source. Set by
-	// SetMDMPolicyFetcher (called from the Kotlin side). Each Run
-	// passes this loader to the resolved Config so applyMDMPolicy
-	// picks up the active overlay. Nil means "MDM enforcement off
-	// for this Client".
-	mdmLoader *mdm.Loader
 }
 
 func (c *Client) setState(cfg *profilemanager.Config, cacheDir string, cc *internal.ConnectClient) {
@@ -137,7 +129,6 @@ func (c *Client) Run(platformFiles PlatformFiles, urlOpener URLOpener, isAndroid
 	if err != nil {
 		return err
 	}
-	c.applyMDMOverlay(cfg)
 	c.recorder.UpdateManagementAddress(cfg.ManagementURL.String())
 	c.recorder.UpdateRosenpass(cfg.RosenpassEnabled, cfg.RosenpassPermissive)
 
@@ -182,7 +173,6 @@ func (c *Client) RunWithoutLogin(platformFiles PlatformFiles, dns *DNSList, dnsR
 	if err != nil {
 		return err
 	}
-	c.applyMDMOverlay(cfg)
 	c.recorder.UpdateManagementAddress(cfg.ManagementURL.String())
 	c.recorder.UpdateRosenpass(cfg.RosenpassEnabled, cfg.RosenpassPermissive)
 
@@ -240,7 +230,6 @@ func (c *Client) DebugBundle(platformFiles PlatformFiles, anonymize bool) (strin
 		if err != nil {
 			return "", fmt.Errorf("load config: %w", err)
 		}
-		c.applyMDMOverlay(cfg)
 		cacheDir = platformFiles.CacheDir()
 	}
 

client/android/mdm.go

@@ -1,80 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"encoding/json"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
-)
-
-// PolicyFetcher is the mobile-side bridge for the MDM managed-config
-// snapshot. The native layer (Kotlin) implements this and registers
-// the instance per Client via Client.SetMDMPolicyFetcher. Every
-// invocation of fetchJSON must read the current RestrictionsManager
-// state and return the result as a JSON-encoded map[string]any string.
-//
-// JSON is used because gomobile does not support map[string]any
-// crossing the JNI boundary — the adapter on the Go side parses the
-// string back into the map[string]any expected by mdm.Loader.
-//
-// Return value contract:
-//   - "" (empty)         : interpreted as "no MDM source / no managed keys"
-//   - "{}"               : managed config explicitly empty
-//   - "{...}"            : JSON object with key/value pairs
-//   - malformed JSON     : logged and treated as empty
-type PolicyFetcher interface {
-	FetchJSON() string
-}
-
-// jsonFetcherAdapter wraps a gomobile-exposed PolicyFetcher into the
-// internal mdm.PolicyFetcher interface, taking care of JSON decoding
-// on every Fetch.
-type jsonFetcherAdapter struct {
-	inner PolicyFetcher
-}
-
-func (a *jsonFetcherAdapter) Fetch() map[string]any {
-	raw := a.inner.FetchJSON()
-	if raw == "" {
-		return nil
-	}
-	var out map[string]any
-	if err := json.Unmarshal([]byte(raw), &out); err != nil {
-		log.Warnf("MDM mobile fetcher: invalid JSON payload from native: %v", err)
-		return nil
-	}
-	return out
-}
-
-// SetMDMPolicyFetcher registers the native-provided MDM policy fetcher
-// on this Client. Call once from the gomobile-init code (Kotlin
-// Application.onCreate or Service onCreate) before invoking Run /
-// RunWithoutLogin. Passing nil disables MDM enforcement on this
-// Client.
-//
-// The fetcher is held as a *mdm.Loader instance on the Client (no
-// package-level state) — multiple Clients in the same process get
-// independent Loaders, and tests can inject fakes per Client.
-func (c *Client) SetMDMPolicyFetcher(p PolicyFetcher) {
-	if p == nil {
-		c.mdmLoader = mdm.NewLoader(nil)
-		return
-	}
-	c.mdmLoader = mdm.NewLoader(&jsonFetcherAdapter{inner: p})
-}
-
-// applyMDMOverlay applies the Client-held MDM Loader's current policy
-// on top of the just-read Config. Called immediately after every
-// UpdateOrCreateConfig — profilemanager's apply() initialises the
-// policy to empty and leaves overlay responsibility to the lifecycle
-// owner. No-op when no fetcher was registered.
-func (c *Client) applyMDMOverlay(cfg *profilemanager.Config) {
-	if cfg == nil || c.mdmLoader == nil {
-		return
-	}
-	cfg.ApplyMDMPolicy(c.mdmLoader.Load())
-}

client/cmd/login.go

@@ -17,7 +17,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/auth"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
 	nbnet "github.com/netbirdio/netbird/client/net"
 	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/server"
@@ -333,11 +332,6 @@ func doForegroundLogin(ctx context.Context, cmd *cobra.Command, setupKey string,
 	if err != nil {
 		return fmt.Errorf("read config file %s: %v", configFilePath, err)
 	}
-	// CLI standalone login: profilemanager no longer auto-applies MDM,
-	// so layer in the OS-native policy here. Desktop builds construct
-	// a Loader with no fetcher — the build-tagged loadPlatform reads
-	// the registry/plist directly.
-	config.ApplyMDMPolicy(mdm.NewLoader(nil).Load())
 
 	// Mirror runInForegroundMode: recover residual state (DNS, firewall,
 	// ssh config, legacy routing) from a previous unclean shutdown and

client/cmd/up.go

@@ -21,7 +21,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
 	"github.com/netbirdio/netbird/client/proto"
 	nbnet "github.com/netbirdio/netbird/client/net"
 	"github.com/netbirdio/netbird/client/server"
@@ -229,10 +228,6 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command, activeProf *pr
 	if err != nil {
 		return fmt.Errorf("get config file: %v", err)
 	}
-	// CLI foreground path runs without the daemon Server: layer in the
-	// active MDM policy explicitly so a forced ManagementURL / PSK /
-	// other managed key actually takes effect on this run.
-	config.ApplyMDMPolicy(mdm.NewLoader(nil).Load())
 
 	_, _ = profilemanager.UpdateOldManagementURL(ctx, config, configFilePath)
 

client/embed/embed.go

@@ -21,7 +21,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/auth"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
 	sshcommon "github.com/netbirdio/netbird/client/ssh"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/shared/management/domain"
@@ -216,10 +215,6 @@ func New(opts Options) (*Client, error) {
 	if err != nil {
 		return nil, fmt.Errorf("create config: %w", err)
 	}
-	// Embedded path runs without the daemon Server: apply the active
-	// MDM policy explicitly so a forced ManagementURL / PSK / other
-	// managed key takes effect on this embedded engine instance.
-	config.ApplyMDMPolicy(mdm.NewLoader(nil).Load())
 
 	if opts.PrivateKey != "" {
 		config.PrivateKey = opts.PrivateKey

client/internal/profilemanager/config.go

@@ -58,6 +58,10 @@ var DefaultInterfaceBlacklist = []string{
 	"Tailscale", "tailscale", "docker", "veth", "br-", "lo",
 }
 
+// loadMDMPolicy is the package-level indirection used by apply() to read the
+// active MDM policy. Tests override this to inject a fake policy.
+var loadMDMPolicy = mdm.LoadPolicy
+
 // ConfigInput carries configuration changes to the client
 type ConfigInput struct {
 	ManagementURL                 string
@@ -182,27 +186,14 @@ type Config struct {
 
 	MTU uint16
 
-	// policy is the MDM policy that produced the currently-set values
-	// for any MDM-enforced fields. Set by ApplyMDMPolicy on every
-	// invocation. Never persisted to disk. Callers query enforcement
-	// state via Policy() and the mdm.Policy API (HasKey, ManagedKeys,
-	// IsEmpty).
+	// policy is the MDM policy that produced the currently-set values for
+	// any MDM-enforced fields. Set by applyMDMPolicy at the tail of apply()
+	// and reset on every apply() invocation. Never persisted to disk.
+	// Callers query enforcement state via Policy() and the mdm.Policy API
+	// (HasKey, ManagedKeys, IsEmpty).
 	policy *mdm.Policy `json:"-"`
 }
 
-// ApplyMDMPolicy overlays the supplied MDM Policy on top of the
-// currently resolved Config values. Idempotent — pass an empty Policy
-// to clear any prior overlay. The lifecycle owner (Server.getConfig
-// on desktop, the Client.Run path on mobile) calls this with
-// loader.Load() once the per-process Loader is known; the Config
-// itself holds no reference to the Loader.
-func (config *Config) ApplyMDMPolicy(policy *mdm.Policy) {
-	if config == nil {
-		return
-	}
-	config.applyMDMPolicy(policy)
-}
-
 // Policy returns the MDM policy applied to this Config. Returns a non-nil
 // empty Policy when MDM enforcement is inactive; callers can always invoke
 // HasKey / ManagedKeys / IsEmpty without a nil check.
@@ -659,11 +650,9 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
 		updated = true
 	}
 
-	// Initialise the MDM overlay to "no enforcement" so Config.Policy()
-	// never returns a stale or nil policy on a freshly applied Config.
-	// Lifecycle owners that want to enforce a real MDM policy invoke
-	// Config.ApplyMDMPolicy(loader.Load()) after this returns.
-	config.applyMDMPolicy(mdm.NewPolicy(nil))
+	// MDM is the last override layer: any key present in the policy
+	// supersedes defaults, on-disk config, env vars and CLI input.
+	config.applyMDMPolicy(loadMDMPolicy())
 
 	return updated, nil
 }

client/internal/profilemanager/config_mdm_test.go

@@ -10,58 +10,24 @@ import (
 	"github.com/netbirdio/netbird/client/mdm"
 )
 
-// fakeFetcher implements mdm.PolicyFetcher returning a pre-set policy
-// map. Test helper used to construct a Loader without touching the OS
-// or any package-level state.
-type fakeFetcher struct{ values map[string]any }
-
-func (f *fakeFetcher) Fetch() map[string]any { return f.values }
-
-// loaderFor builds an mdm.Loader whose loadPlatform returns the
-// supplied Policy's underlying values.
-func loaderFor(policy *mdm.Policy) *mdm.Loader {
-	if policy == nil || policy.IsEmpty() {
-		return mdm.NewLoader(&fakeFetcher{values: nil})
-	}
-	values := make(map[string]any)
-	for _, k := range policy.ManagedKeys() {
-		if v, ok := policy.GetString(k); ok {
-			values[k] = v
-			continue
-		}
-		if v, ok := policy.GetBool(k); ok {
-			values[k] = v
-			continue
-		}
-		if v, ok := policy.GetInt(k); ok {
-			values[k] = v
-			continue
-		}
-		if v, ok := policy.GetStringSlice(k); ok {
-			values[k] = v
-		}
-	}
-	return mdm.NewLoader(&fakeFetcher{values: values})
-}
-
-// configWithMDM is the test convenience that builds a Config via
-// UpdateOrCreateConfig and overlays the supplied MDM policy on top —
-// mirrors the production pattern (Server.getConfig / Client.applyMDMOverlay)
-// where the Loader lives outside Config and the apply step is driven
-// by the lifecycle owner.
-func configWithMDM(t *testing.T, input ConfigInput, policy *mdm.Policy) *Config {
+// withMDMPolicy temporarily overrides the package-level loadMDMPolicy hook so
+// apply() observes the supplied Policy. The original loader is restored at
+// test cleanup.
+func withMDMPolicy(t *testing.T, policy *mdm.Policy) {
 	t.Helper()
-	cfg, err := UpdateOrCreateConfig(input)
-	require.NoError(t, err)
-	require.NotNil(t, cfg)
-	cfg.ApplyMDMPolicy(loaderFor(policy).Load())
-	return cfg
+	prev := loadMDMPolicy
+	loadMDMPolicy = func() *mdm.Policy { return policy }
+	t.Cleanup(func() { loadMDMPolicy = prev })
 }
 
 func TestApply_MDMEmpty_NoEnforcement(t *testing.T) {
-	cfg := configWithMDM(t, ConfigInput{
+	withMDMPolicy(t, mdm.NewPolicy(nil))
+
+	cfg, err := UpdateOrCreateConfig(ConfigInput{
 		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
-	}, mdm.NewPolicy(nil))
+	})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
 
 	assert.True(t, cfg.Policy().IsEmpty(), "no MDM source ⇒ empty Policy")
 	assert.False(t, cfg.Policy().HasKey(mdm.KeyManagementURL))
@@ -73,15 +39,18 @@ func TestApply_MDMEmpty_NoEnforcement(t *testing.T) {
 
 func TestApply_MDMOnly_OverridesDefaults(t *testing.T) {
 	const mdmURL = "https://corp.mdm.example.com:443"
-
-	cfg := configWithMDM(t, ConfigInput{
-		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
-	}, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL:       mdmURL,
 		mdm.KeyDisableClientRoutes: true,
 		mdm.KeyBlockInbound:        true,
 	}))
 
+	cfg, err := UpdateOrCreateConfig(ConfigInput{
+		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
+	})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
+
 	assert.Equal(t, mdmURL, cfg.ManagementURL.String())
 	assert.True(t, cfg.DisableClientRoutes)
 	assert.True(t, cfg.BlockInbound)
@@ -96,25 +65,33 @@ func TestApply_MDMBeatsCLIInput(t *testing.T) {
 	const mdmURL = "https://mdm.example.com:443"
 	const cliURL = "https://cli.example.com:443"
 
-	cfg := configWithMDM(t, ConfigInput{
-		ConfigPath:    filepath.Join(t.TempDir(), "config.json"),
-		ManagementURL: cliURL,
-	}, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL: mdmURL,
 	}))
 
+	cfg, err := UpdateOrCreateConfig(ConfigInput{
+		ConfigPath:    filepath.Join(t.TempDir(), "config.json"),
+		ManagementURL: cliURL,
+	})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
+
 	// MDM wins over CLI-supplied management URL.
 	assert.Equal(t, mdmURL, cfg.ManagementURL.String())
 	assert.True(t, cfg.Policy().HasKey(mdm.KeyManagementURL))
 }
 
 func TestApply_MDMInvalidURL_KeepsPreviousValue(t *testing.T) {
-	cfg := configWithMDM(t, ConfigInput{
-		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
-	}, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL: "not-a-url",
 	}))
 
+	cfg, err := UpdateOrCreateConfig(ConfigInput{
+		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
+	})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
+
 	// Invalid MDM URL is logged and skipped: default URL stays in place
 	// to keep the client functional.
 	assert.Equal(t, DefaultManagementURL, cfg.ManagementURL.String())
@@ -129,20 +106,24 @@ func TestApply_MDMBoolKeysOverrideOnDiskValue(t *testing.T) {
 	tmp := filepath.Join(t.TempDir(), "config.json")
 
 	// Seed without MDM.
-	configWithMDM(t, ConfigInput{
+	withMDMPolicy(t, mdm.NewPolicy(nil))
+	_, err := UpdateOrCreateConfig(ConfigInput{
 		ConfigPath:          tmp,
 		DisableClientRoutes: boolPtr(false),
 		RosenpassEnabled:    boolPtr(false),
-	}, mdm.NewPolicy(nil))
+	})
+	require.NoError(t, err)
 
 	// Now enable MDM enforcement for these keys.
-	cfg := configWithMDM(t, ConfigInput{
-		ConfigPath: tmp,
-	}, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyDisableClientRoutes: true,
 		mdm.KeyRosenpassEnabled:    true,
 	}))
 
+	cfg, err := UpdateOrCreateConfig(ConfigInput{ConfigPath: tmp})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
+
 	assert.True(t, cfg.DisableClientRoutes, "MDM override should flip on-disk false to true")
 	assert.True(t, cfg.RosenpassEnabled)
 	assert.True(t, cfg.Policy().HasKey(mdm.KeyDisableClientRoutes))
@@ -183,12 +164,16 @@ func TestApply_MDMLazyConnection(t *testing.T) {
 func TestApply_MDMPreSharedKeyRedactionSentinelRejected(t *testing.T) {
 	const maskSentinel = "**********"
 
-	cfg := configWithMDM(t, ConfigInput{
-		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
-	}, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyPreSharedKey: maskSentinel,
 	}))
 
+	cfg, err := UpdateOrCreateConfig(ConfigInput{
+		ConfigPath: filepath.Join(t.TempDir(), "config.json"),
+	})
+	require.NoError(t, err)
+	require.NotNil(t, cfg)
+
 	// Mask sentinel must not be persisted as the actual PSK.
 	assert.NotEqual(t, maskSentinel, cfg.PreSharedKey)
 	// Key still marked managed so user writes are still rejected.

client/internal/routemanager/reconcile_test.go

@@ -54,7 +54,7 @@ func (m *reconcileWGMock) GetNet() *netstack.Net                      { return n
 func TestReconcilePeerAllowedIPs(t *testing.T) {
 	wg := &reconcileWGMock{}
 	m := &DefaultManager{wgInterface: wg}
-	m.allowedIPsRefCounter = refcounter.New[netip.Prefix, string, string](
+	m.allowedIPsRefCounter = refcounter.NewAllowedIPs(
 		func(_ netip.Prefix, peerKey string) (string, error) { return peerKey, nil },
 		func(netip.Prefix, string) error { return nil },
 	)

client/internal/routemanager/refcounter/allowedips.go

@@ -169,6 +169,27 @@ func (rm *AllowedIPsRefCounter) Flush() error {
 	return nberrors.FormatErrorOrNil(merr)
 }
 
+// ReapplyMatching calls apply for every prefix whose currently installed (active) peer satisfies
+// pred, holding the lock for the whole pass. It is used to re-push allowed IPs onto a peer whose
+// WireGuard entry was rebuilt (e.g. a lazy connection cycling idle->wake) without a matching
+// refcounter change, which would otherwise leave the prefix installed in the counter but missing
+// on the device. Only the active peer is considered — a prefix that lost its installed peer to a
+// failed swap is skipped here and reconciled by the next Increment/Decrement.
+func (rm *AllowedIPsRefCounter) ReapplyMatching(pred func(out string) bool, apply func(key netip.Prefix) error) error {
+	rm.mu.Lock()
+	defer rm.mu.Unlock()
+
+	var merr *multierror.Error
+	for prefix, e := range rm.entries {
+		if e.active != "" && pred(e.active) {
+			if err := apply(prefix); err != nil {
+				merr = multierror.Append(merr, err)
+			}
+		}
+	}
+	return nberrors.FormatErrorOrNil(merr)
+}
+
 // pickSurvivor deterministically selects a peer still referencing the prefix. WireGuard cannot do
 // multipath for a single prefix, so any surviving peer is a valid winner; the choice is made stable
 // (lowest peerKey) for predictable behavior and testability.

client/ios/NetBirdSDK/client.go

@@ -22,7 +22,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/listener"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/formatter"
 	"github.com/netbirdio/netbird/route"
@@ -84,13 +83,6 @@ type Client struct {
 	// preloadedConfig holds config loaded from JSON (used on tvOS where file writes are blocked)
 	preloadedConfig *profilemanager.Config
 
-	// mdmLoader holds the per-Client MDM policy source. Set by
-	// SetMDMPolicyFetcher (called from the Swift side at extension
-	// init). Each Run passes this loader to the resolved Config so
-	// applyMDMPolicy picks up the active overlay. Nil means "MDM
-	// enforcement off for this Client".
-	mdmLoader *mdm.Loader
-
 	stateMu       sync.RWMutex
 	connectClient *internal.ConnectClient
 	config        *profilemanager.Config
@@ -151,7 +143,6 @@ func (c *Client) Run(fd int32, interfaceName string, envList *EnvList) error {
 		if err != nil {
 			return err
 		}
-		c.applyMDMOverlay(cfg)
 	}
 	c.recorder.UpdateManagementAddress(cfg.ManagementURL.String())
 	c.recorder.UpdateRosenpass(cfg.RosenpassEnabled, cfg.RosenpassPermissive)
@@ -224,7 +215,6 @@ func (c *Client) DebugBundle(anonymize bool) (string, error) {
 				return "", fmt.Errorf("load config: %w", err)
 			}
 		}
-		c.applyMDMOverlay(cfg)
 	}
 
 	deps := debug.GeneratorDependencies{
@@ -374,7 +364,6 @@ func (c *Client) IsLoginRequired() bool {
 			// If we can't load config, assume login is required
 			return true
 		}
-		c.applyMDMOverlay(cfg)
 	}
 
 	if cfg == nil {
@@ -423,7 +412,6 @@ func (c *Client) LoginForMobile() string {
 		log.Errorf("LoginForMobile: failed to load config: %v", err)
 		return fmt.Sprintf("failed to load config: %v", err)
 	}
-	c.applyMDMOverlay(cfg)
 
 	oAuthFlow, err := auth.NewOAuthFlow(ctx, cfg, false, false, "")
 	if err != nil {

client/ios/NetBirdSDK/mdm.go

@@ -1,82 +0,0 @@
-//go:build ios
-
-package NetBirdSDK
-
-import (
-	"encoding/json"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/mdm"
-)
-
-// PolicyFetcher is the mobile-side bridge for the MDM managed-config
-// snapshot. The native layer (Swift) implements this and registers
-// the instance per Client via Client.SetMDMPolicyFetcher. Every
-// invocation of fetchJSON must read the current
-// UserDefaults.standard.dictionary(forKey: "com.apple.configuration.managed")
-// and return the result as a JSON-encoded map[string]any string.
-//
-// JSON is used because gomobile does not support map[string]any
-// crossing the Objective-C boundary — the adapter on the Go side
-// parses the string back into the map[string]any expected by
-// mdm.Loader.
-//
-// Return value contract:
-//   - "" (empty)         : interpreted as "no MDM source / no managed keys"
-//   - "{}"               : managed config explicitly empty
-//   - "{...}"            : JSON object with key/value pairs
-//   - malformed JSON     : logged and treated as empty
-type PolicyFetcher interface {
-	FetchJSON() string
-}
-
-// jsonFetcherAdapter wraps a gomobile-exposed PolicyFetcher into the
-// internal mdm.PolicyFetcher interface, taking care of JSON decoding
-// on every Fetch.
-type jsonFetcherAdapter struct {
-	inner PolicyFetcher
-}
-
-func (a *jsonFetcherAdapter) Fetch() map[string]any {
-	raw := a.inner.FetchJSON()
-	if raw == "" {
-		return nil
-	}
-	var out map[string]any
-	if err := json.Unmarshal([]byte(raw), &out); err != nil {
-		log.Warnf("MDM mobile fetcher: invalid JSON payload from native: %v", err)
-		return nil
-	}
-	return out
-}
-
-// SetMDMPolicyFetcher registers the native-provided MDM policy fetcher
-// on this Client. Call once from the gomobile-init code (Swift
-// AppDelegate / PacketTunnelProvider.startTunnel) before invoking Run.
-// Passing nil disables MDM enforcement on this Client.
-//
-// The fetcher is held as a *mdm.Loader instance on the Client (no
-// package-level state) — multiple Clients in the same process get
-// independent Loaders, and tests can inject fakes per Client.
-func (c *Client) SetMDMPolicyFetcher(p PolicyFetcher) {
-	if p == nil {
-		c.mdmLoader = mdm.NewLoader(nil)
-		return
-	}
-	c.mdmLoader = mdm.NewLoader(&jsonFetcherAdapter{inner: p})
-}
-
-// applyMDMOverlay applies the Client-held MDM Loader's current policy
-// on top of the just-read Config. Called immediately after every
-// UpdateOrCreateConfig / DirectUpdateOrCreateConfig — profilemanager's
-// apply() initialises the policy to empty and leaves overlay
-// responsibility to the lifecycle owner. No-op when no fetcher was
-// registered.
-func (c *Client) applyMDMOverlay(cfg *profilemanager.Config) {
-	if cfg == nil || c.mdmLoader == nil {
-		return
-	}
-	cfg.ApplyMDMPolicy(c.mdmLoader.Load())
-}

client/mdm/policy.go

@@ -104,48 +104,16 @@ func NewPolicy(values map[string]any) *Policy {
 	return &Policy{values: values}
 }
 
-// PolicyFetcher is implemented by mobile platforms (Android / iOS) that
-// push the OS-managed configuration into the Go runtime instead of
-// having Go read an on-disk source directly. Desktop platforms ignore
-// this interface — Loader.loadPlatform on windows/darwin reads the
-// registry / plist on its own. A Loader constructed with a non-nil
-// fetcher delegates to it on mobile; passing nil disables MDM
-// enforcement (loadPlatform returns nil values).
-type PolicyFetcher interface {
-	Fetch() map[string]any
-}
-
-// Loader is the DI-friendly entry point for reading the active MDM
-// policy. Construct one at the daemon's lifecycle owner (Server on
-// desktop, gomobile-exposed bridge on mobile) and pass it to anything
-// that needs to read MDM state (the reload ticker, profilemanager's
-// Config). Each callsite has the Loader handed in instead of looking
-// up package-level state.
-type Loader struct {
-	fetcher PolicyFetcher
-}
-
-// NewLoader constructs a Loader. The fetcher is consulted only on
-// mobile builds (ios || android); on desktop it is unused but accepted
-// to keep a single constructor signature across platforms — pass nil
-// on desktop.
-func NewLoader(f PolicyFetcher) *Loader {
-	return &Loader{fetcher: f}
-}
-
-// Load reads the platform-native MDM configuration and returns a
-// Policy. Returns an empty (but non-nil) Policy when no source is
-// present, the source is empty, or the platform is unsupported.
+// LoadPolicy reads the platform-native MDM configuration. Returns an
+// empty (but non-nil) Policy when no source is present, the source is
+// empty, or the platform is unsupported.
 //
 // Diagnostic logging differentiates the three states:
 //   - source absent / unsupported platform: trace log only
 //   - source present, zero keys:             info "MDM enrolled (no managed keys)"
 //   - source present, N keys:                info "MDM enrolled with N managed keys: [...]"
-func (l *Loader) Load() *Policy {
-	if l == nil {
-		return &Policy{values: map[string]any{}}
-	}
-	values, err := l.loadPlatform()
+func LoadPolicy() *Policy {
+	values, err := loadPlatformPolicy()
 	if err != nil {
 		log.Tracef("MDM policy load: %v", err)
 		return &Policy{values: map[string]any{}}

client/mdm/policy_darwin.go

@@ -25,10 +25,8 @@ import (
 // writable plist, as a defense against tampered installs.
 const policyPlistPath = "/Library/Managed Preferences/io.netbird.client.plist"
 
-// loadPlatform reads the MDM-managed configuration from the macOS
-// managed-preferences plist at policyPlistPath. The Loader's fetcher
-// field is unused on this platform — the plist is the authoritative
-// source. Returns:
+// loadPlatformPolicy reads the MDM-managed configuration from the macOS
+// managed-preferences plist at policyPlistPath. Returns:
 //   - (nil, nil)  when the plist is absent (device not MDM-enrolled for
 //     NetBird, or admin has not yet pushed a payload)
 //   - (map, nil)  with N entries when N managed values are present
@@ -41,13 +39,7 @@ const policyPlistPath = "/Library/Managed Preferences/io.netbird.client.plist"
 // skipped so a stray entry in the payload does not block startup.
 // Native plist value types map naturally onto the Policy accessor
 // expectations (GetString / GetBool / GetInt / GetStringSlice).
-func (l *Loader) loadPlatform() (map[string]any, error) {
-	// Honour the injected fetcher when present so tests (and any
-	// future non-macOS MDM channel) can short-circuit the plist read
-	// with a scripted policy.
-	if l != nil && l.fetcher != nil {
-		return l.fetcher.Fetch(), nil
-	}
+func loadPlatformPolicy() (map[string]any, error) {
 	f, err := os.Open(policyPlistPath)
 	if err != nil {
 		if errors.Is(err, fs.ErrNotExist) {

client/mdm/policy_mobile.go

@@ -2,14 +2,13 @@
 
 package mdm
 
-// loadPlatform reads the OS-managed configuration via the native
-// PolicyFetcher injected at Loader construction. Returns
-// (nil, nil) — the platform-absent sentinel that Loader.Load treats as
-// "no MDM source present" — when no fetcher was provided.
-func (l *Loader) loadPlatform() (map[string]any, error) {
-	if l == nil || l.fetcher == nil {
-		//nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see Loader.Load.
-		return nil, nil
-	}
-	return l.fetcher.Fetch(), nil
+// loadPlatformPolicy is unused on mobile: the native layer (Swift on iOS,
+// Kotlin/Java on Android) reads the OS managed-config store and pushes the
+// resulting dictionary in-process via a gomobile entry point that lands in
+// Phase 5 / Phase 6. The stub keeps the package compilable for mobile
+// builds and returns (nil, nil) — the platform-absent sentinel that
+// LoadPolicy in policy.go treats as "no MDM source present".
+func loadPlatformPolicy() (map[string]any, error) {
+	//nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy.
+	return nil, nil
 }

client/mdm/policy_other.go

@@ -2,17 +2,13 @@
 
 package mdm
 
-// loadPlatform reads the MDM policy on platforms without a native MDM
-// channel (Linux, FreeBSD). When no fetcher was injected the policy is
-// (nil, nil) — the platform-absent sentinel that Loader.Load treats as
-// "MDM enforcement disabled". A non-nil fetcher takes precedence: it
-// is the test-seam used by unit tests to inject a scripted policy
-// without touching the OS, and the same hook supports any future
-// non-mobile OS that grows an out-of-band MDM channel.
-func (l *Loader) loadPlatform() (map[string]any, error) {
-	if l != nil && l.fetcher != nil {
-		return l.fetcher.Fetch(), nil
-	}
-	//nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see Loader.Load.
+// loadPlatformPolicy returns no policy on platforms without an MDM channel
+// (Linux, FreeBSD). MDM enforcement is off and the client behaves as if
+// the feature did not exist. Returns (nil, nil) — the platform-absent
+// sentinel the caller (LoadPolicy in policy.go) treats as "no MDM
+// source present"; an error here would just translate to the same
+// outcome with an extra log line.
+func loadPlatformPolicy() (map[string]any, error) {
+	//nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy.
 	return nil, nil
 }

client/mdm/policy_test.go

@@ -155,12 +155,10 @@ func TestPolicy_GetStringSlice(t *testing.T) {
 	})
 }
 
-func TestLoader_NilFetcherReturnsEmpty(t *testing.T) {
-	// Loader.Load with no fetcher (desktop construction) must degrade
-	// gracefully and never return nil; on linux loadPlatform is a stub
-	// returning (nil, nil), and Load is expected to translate that
-	// into a non-nil empty Policy.
-	p := NewLoader(nil).Load()
+func TestLoadPolicy_PlatformStubReturnsEmpty(t *testing.T) {
+	// loadPlatformPolicy is a stub on every OS for Phase 1. LoadPolicy must
+	// degrade gracefully and never return nil.
+	p := LoadPolicy()
 	require.NotNil(t, p)
 	assert.True(t, p.IsEmpty())
 	assert.Empty(t, p.ManagedKeys())

client/mdm/policy_windows.go

@@ -61,10 +61,8 @@ func readRegistryValue(k registry.Key, name, canonical string, out map[string]an
 	}
 }
 
-// loadPlatform reads the MDM-managed configuration from the Windows
-// registry under HKLM\Software\Policies\NetBird. The Loader's fetcher
-// field is unused on this platform — the registry is the
-// authoritative source. Returns:
+// loadPlatformPolicy reads the MDM-managed configuration from the
+// Windows registry under HKLM\Software\Policies\NetBird. Returns:
 //   - (nil, nil)  when the key is absent (device not MDM-enrolled for NetBird)
 //   - (map, nil)  with N entries when N managed values are set (N may be 0)
 //   - (nil, err)  on open / enumerate registry errors
@@ -72,13 +70,7 @@ func readRegistryValue(k registry.Key, name, canonical string, out map[string]an
 // Per-value type coercion + skip-on-error is delegated to
 // readRegistryValue. Unknown value names are logged and skipped so a
 // malformed deployment does not block startup.
-func (l *Loader) loadPlatform() (map[string]any, error) {
-	// Honour the injected fetcher when present so tests (and any
-	// future non-Windows MDM channel) can short-circuit the registry
-	// read with a scripted policy.
-	if l != nil && l.fetcher != nil {
-		return l.fetcher.Fetch(), nil
-	}
+func loadPlatformPolicy() (map[string]any, error) {
 	k, err := registry.OpenKey(registry.LOCAL_MACHINE, policyRegistryPath, registry.QUERY_VALUE)
 	if err != nil {
 		if errors.Is(err, registry.ErrNotExist) {

client/mdm/ticker.go

@@ -15,33 +15,33 @@ import (
 // instead, hence anticipating the ticker mechanism entirely.
 const DefaultReloadInterval = 1 * time.Minute
 
-// Ticker periodically re-reads the OS-native MDM policy via the
-// injected Loader and invokes the onChange callback (supplied to Run)
-// whenever the observed Policy diverges from the last observation
-// (added / removed / changed keys). Launch with Run from a goroutine;
-// cancel the supplied context to stop.
+// policyLoader is the indirection through which the ticker reads the
+// OS-native policy, both for the initial observation and on every tick.
+// Production points it at LoadPolicy; tests in this package override it to
+// feed a scripted sequence of policies without touching the real OS store.
+var policyLoader = LoadPolicy
+
+// Ticker periodically re-reads the OS-native MDM policy via LoadPolicy and
+// invokes the onChange callback (supplied to Run) whenever the observed
+// Policy diverges from the last observation (added / removed / changed
+// keys). Launch with Run from a goroutine; cancel the supplied context
+// to stop.
 type Ticker struct {
 	interval time.Duration
-	loader   *Loader
 	prev     *Policy
 }
 
 // NewTicker constructs a Ticker that will re-read the OS-native policy
-// every reloadInterval once Run is called. The Loader is injected so
-// the ticker doesn't depend on any package-level state — production
-// passes the daemon-owned Loader, tests pass a fake Loader (built with
-// a fake PolicyFetcher).
-//
-// The initial snapshot is populated by calling loader.Load() at
+// every reloadInterval once Run is called.
+// The initial snapshot is populated by calling policyLoader at
 // construction time so the first tick only fires
 // onChange when the policy actually changed since boot — without
 // this baseline the first tick would report every currently-managed
 // key as "added" and trigger a spurious engine restart.
-func NewTicker(reloadInterval time.Duration, loader *Loader) *Ticker {
+func NewTicker(reloadInterval time.Duration) *Ticker {
 	return &Ticker{
 		interval: reloadInterval,
-		loader:   loader,
-		prev:     loader.Load(),
+		prev:     policyLoader(),
 	}
 }
 
@@ -58,7 +58,7 @@ func (t *Ticker) Run(ctx context.Context, onChange func(prev, curr *Policy) erro
 			log.Info("MDM policy reload ticker stopped")
 			return
 		case <-tk.C:
-			curr := t.loader.Load()
+			curr := policyLoader()
 			if policiesEqual(t.prev, curr) {
 				continue
 			}

client/mdm/ticker_test.go

@@ -13,40 +13,28 @@ import (
 // testReloadInterval for speeding up the ticker cadence under `go test`
 const testReloadInterval = 1 * time.Second
 
-// fakePolicyFetcher implements PolicyFetcher returning a scripted
-// policy map. Goroutine-safe so the test can mutate the script while
-// the ticker is observing it.
-type fakePolicyFetcher struct {
-	mu     sync.Mutex
-	values map[string]any
-}
-
-func (f *fakePolicyFetcher) Fetch() map[string]any {
-	f.mu.Lock()
-	defer f.mu.Unlock()
-	if f.values == nil {
-		return nil
-	}
-	out := make(map[string]any, len(f.values))
-	for k, v := range f.values {
-		out[k] = v
-	}
-	return out
-}
-
-func (f *fakePolicyFetcher) set(values map[string]any) {
-	f.mu.Lock()
-	defer f.mu.Unlock()
-	f.values = values
+// withPolicyLoader overrides the package-level policyLoader for the duration
+// of the test so the ticker observes a scripted policy instead of the real
+// OS-native store. The original loader is restored on cleanup.
+func withPolicyLoader(t *testing.T, fn func() *Policy) {
+	t.Helper()
+	prev := policyLoader
+	policyLoader = fn
+	t.Cleanup(func() { policyLoader = prev })
 }
 
 func TestTicker_FiresOnChangeWithDelta(t *testing.T) {
-	fetcher := &fakePolicyFetcher{} // initial observation: empty (no enforcement)
-	loader := NewLoader(fetcher)
+	var mu sync.Mutex
+	current := NewPolicy(nil) // initial observation: empty (no enforcement)
+	withPolicyLoader(t, func() *Policy {
+		mu.Lock()
+		defer mu.Unlock()
+		return current
+	})
 
 	type change struct{ prev, curr *Policy }
 	changes := make(chan change, 1)
-	tk := NewTicker(testReloadInterval, loader)
+	tk := NewTicker(testReloadInterval)
 	require.Equal(t, testReloadInterval, tk.interval)
 
 	ctx, cancel := context.WithCancel(context.Background())
@@ -61,13 +49,15 @@ func TestTicker_FiresOnChangeWithDelta(t *testing.T) {
 		})
 		close(done)
 	}()
-	// Stop Run and wait for it to exit before returning, so the test
-	// goroutine doesn't race the still-running ticker.
+	// Stop Run and wait for it to exit before returning, so the policyLoader
+	// restore in t.Cleanup can't race the ticker goroutine still reading it.
 	defer func() { cancel(); <-done }()
 
-	// Flip the OS-observed policy from empty to one managed key. The
-	// next tick must detect the diff and invoke onChange.
-	fetcher.set(map[string]any{KeyManagementURL: "https://mdm.example.com:443"})
+	// Flip the OS-observed policy from empty to one managed key. The next
+	// tick must detect the diff and invoke onChange.
+	mu.Lock()
+	current = NewPolicy(map[string]any{KeyManagementURL: "https://mdm.example.com:443"})
+	mu.Unlock()
 
 	select {
 	case c := <-changes:
@@ -79,11 +69,12 @@ func TestTicker_FiresOnChangeWithDelta(t *testing.T) {
 }
 
 func TestTicker_NoCallbackWhenPolicyUnchanged(t *testing.T) {
-	fetcher := &fakePolicyFetcher{values: map[string]any{KeyBlockInbound: true}}
-	loader := NewLoader(fetcher)
+	withPolicyLoader(t, func() *Policy {
+		return NewPolicy(map[string]any{KeyBlockInbound: true})
+	})
 
 	fired := make(chan struct{}, 1)
-	tk := NewTicker(testReloadInterval, loader)
+	tk := NewTicker(testReloadInterval)
 
 	ctx, cancel := context.WithCancel(context.Background())
 	done := make(chan struct{})
@@ -99,8 +90,8 @@ func TestTicker_NoCallbackWhenPolicyUnchanged(t *testing.T) {
 	}()
 	defer func() { cancel(); <-done }()
 
-	// Over ~2 ticks at the 1s test cadence the policy never changes,
-	// so the diff guard must suppress the callback entirely.
+	// Over ~2 ticks at the 1s test cadence the policy never changes, so the
+	// diff guard must suppress the callback entirely.
 	select {
 	case <-fired:
 		t.Fatal("onChange fired despite an unchanged policy")

client/server/mdm.go

@@ -21,6 +21,10 @@ import (
 // a no-op echo, never as a conflict with the policy.
 const preSharedKeyRedactedSentinel = "**********"
 
+// loadMDMPolicy is the indirection used by server handlers to read the
+// active MDM policy. Tests override this to inject a fake policy.
+var loadMDMPolicy = mdm.LoadPolicy
+
 // conflictCheck is a value-aware comparison between a single field in
 // the incoming request and the corresponding MDM-enforced value. It
 // runs only when the field was actually set in the request (presence

client/server/server.go

@@ -123,15 +123,6 @@ type Server struct {
 	// stopped by the rootCtx cancellation.
 	mdmTicker *mdm.Ticker
 
-	// mdmLoader is the daemon-owned source of the active MDM policy.
-	// Constructed once during Server.Start (with a nil PolicyFetcher on
-	// desktop — the build-tagged Loader.loadPlatform reads the OS
-	// registry / plist directly) and injected into every consumer:
-	// mdmTicker for its periodic reload, the SetConfig / Login MDM
-	// gates for conflict detection, and every Config produced via
-	// getConfig() so its apply() picks up the same overlay.
-	mdmLoader *mdm.Loader
-
 	updateManager *updater.Manager
 
 	jwtCache *jwtCache
@@ -206,14 +197,8 @@ func (s *Server) Start() error {
 	// Runs re-resolves Config (re-running profilemanager.Config.apply which
 	// applies the freshly-read MDM policy as the last layer) and brings
 	// the engine back with the new values.
-	if s.mdmLoader == nil {
-		// Desktop builds pass a nil PolicyFetcher: the Loader's
-		// build-tagged loadPlatform reads the OS source directly
-		// (registry on Windows, plist on macOS, no-op elsewhere).
-		s.mdmLoader = mdm.NewLoader(nil)
-	}
 	if s.mdmTicker == nil {
-		s.mdmTicker = mdm.NewTicker(mdm.DefaultReloadInterval, s.mdmLoader)
+		s.mdmTicker = mdm.NewTicker(mdm.DefaultReloadInterval)
 		go s.mdmTicker.Run(s.rootCtx, s.onMDMPolicyChange)
 	}
 
@@ -421,7 +406,7 @@ func (s *Server) SetConfig(callerCtx context.Context, msg *proto.SetConfigReques
 	// by the active MDM policy. The error carries an MDMManagedFields-
 	// Violation detail listing the offending key names. Non-conflicting
 	// fields in the same request are not applied either.
-	policy := s.mdmLoader.Load()
+	policy := loadMDMPolicy()
 	if err := rejectMDMManagedFieldConflicts(mdmManagedFieldConflicts(msg, policy)); err != nil {
 		return nil, err
 	}
@@ -546,7 +531,7 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 		if s.checkUpdateSettingsDisabled() {
 			return nil, gstatus.Errorf(codes.Unavailable, errUpdateSettingsDisabled)
 		}
-		policy := s.mdmLoader.Load()
+		policy := loadMDMPolicy()
 		if err := rejectMDMManagedFieldConflicts(loginRequestMDMConflicts(msg, policy)); err != nil {
 			return nil, err
 		}
@@ -1275,12 +1260,6 @@ func (s *Server) getConfig(activeProf *profilemanager.ActiveProfileState) (*prof
 		return nil, false, fmt.Errorf("failed to get config: %w", err)
 	}
 
-	// Apply the daemon-owned MDM policy on top of the just-resolved
-	// Config. profilemanager's apply() initialises the policy to
-	// empty — the Loader lives outside Config, so this overlay step
-	// is driven externally here.
-	config.ApplyMDMPolicy(s.mdmLoader.Load())
-
 	return config, configExisted, nil
 }
 
@@ -1330,9 +1309,6 @@ func (s *Server) logoutFromProfile(ctx context.Context, profile *profilemanager.
 	if err != nil {
 		return fmt.Errorf("profile '%s' not found", profile.ID)
 	}
-	// Honour any MDM-enforced ManagementURL when issuing the logout
-	// RPC: the user-stored value may have been overridden by policy.
-	config.ApplyMDMPolicy(s.mdmLoader.Load())
 
 	return s.sendLogoutRequestWithConfig(ctx, config)
 }
@@ -1933,11 +1909,6 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p
 		log.Errorf("failed to get active profile config: %v", err)
 		return nil, fmt.Errorf("failed to get active profile config: %w", err)
 	}
-	// Overlay the active MDM policy so the response's MDMManagedFields
-	// list reflects what the GUI / CLI must render as read-only.
-	// profilemanager.GetConfig itself returns a Config without the
-	// overlay (Loader lives outside profilemanager).
-	cfg.ApplyMDMPolicy(s.mdmLoader.Load())
 	managementURL := cfg.ManagementURL
 	adminURL := cfg.AdminURL
 

client/server/setconfig_mdm_test.go

@@ -16,40 +16,14 @@ import (
 	"github.com/netbirdio/netbird/client/proto"
 )
 
-// fakeMDMFetcher implements mdm.PolicyFetcher returning a pre-set
-// policy map. Tests build one per Server instance to inject a
-// scripted MDM overlay via a Loader rather than via package-level state.
-type fakeMDMFetcher struct{ values map[string]any }
-
-func (f *fakeMDMFetcher) Fetch() map[string]any { return f.values }
-
-// withMDMPolicy installs an mdm.Loader on the given Server whose
-// loadPlatform returns the supplied Policy's underlying values. Use
-// after setupServerWithProfile to inject the scripted policy the
-// SetConfig / Login MDM gates will observe.
-func withMDMPolicy(t *testing.T, s *Server, policy *mdm.Policy) {
+// withMDMPolicy temporarily overrides the server-package loadMDMPolicy hook
+// so SetConfig observes the supplied Policy. Restores the original loader
+// at test cleanup.
+func withMDMPolicy(t *testing.T, policy *mdm.Policy) {
 	t.Helper()
-	values := map[string]any{}
-	if policy != nil {
-		for _, k := range policy.ManagedKeys() {
-			if v, ok := policy.GetString(k); ok {
-				values[k] = v
-				continue
-			}
-			if v, ok := policy.GetBool(k); ok {
-				values[k] = v
-				continue
-			}
-			if v, ok := policy.GetInt(k); ok {
-				values[k] = v
-				continue
-			}
-			if v, ok := policy.GetStringSlice(k); ok {
-				values[k] = v
-			}
-		}
-	}
-	s.mdmLoader = mdm.NewLoader(&fakeMDMFetcher{values: values})
+	prev := loadMDMPolicy
+	loadMDMPolicy = func() *mdm.Policy { return policy }
+	t.Cleanup(func() { loadMDMPolicy = prev })
 }
 
 // setupServerWithProfile mirrors the boilerplate of TestSetConfig_AllFieldsSaved:
@@ -115,11 +89,12 @@ func extractViolation(t *testing.T, err error) *proto.MDMManagedFieldsViolation
 }
 
 func TestSetConfig_MDMReject_SingleField(t *testing.T) {
-	s, ctx, profName, username, _ := setupServerWithProfile(t)
-	withMDMPolicy(t, s, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL: "https://mdm.example.com:443",
 	}))
 
+	s, ctx, profName, username, _ := setupServerWithProfile(t)
+
 	_, err := s.SetConfig(ctx, &proto.SetConfigRequest{
 		ProfileName:   profName,
 		Username:      username,
@@ -131,13 +106,14 @@ func TestSetConfig_MDMReject_SingleField(t *testing.T) {
 }
 
 func TestSetConfig_MDMReject_MultipleFields(t *testing.T) {
-	s, ctx, profName, username, _ := setupServerWithProfile(t)
-	withMDMPolicy(t, s, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL:    "https://mdm.example.com:443",
 		mdm.KeyBlockInbound:     true,
 		mdm.KeyRosenpassEnabled: true,
 	}))
 
+	s, ctx, profName, username, _ := setupServerWithProfile(t)
+
 	blockInbound := false
 	rosenpassEnabled := false
 	_, err := s.SetConfig(ctx, &proto.SetConfigRequest{
@@ -161,11 +137,12 @@ func TestSetConfig_MDMReject_AllOrNothing(t *testing.T) {
 	// enforced field AND a non-enforced field (RosenpassEnabled).
 	// The whole request must be rejected — non-conflicting fields are not
 	// applied either.
-	s, ctx, profName, username, cfgPath := setupServerWithProfile(t)
-	withMDMPolicy(t, s, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL: "https://mdm.example.com:443",
 	}))
 
+	s, ctx, profName, username, cfgPath := setupServerWithProfile(t)
+
 	rosenpassEnabled := true
 	_, err := s.SetConfig(ctx, &proto.SetConfigRequest{
 		ProfileName:      profName,
@@ -187,11 +164,12 @@ func TestSetConfig_MDMReject_AllOrNothing(t *testing.T) {
 func TestSetConfig_MDMAllow_NonManagedFields(t *testing.T) {
 	// MDM enforces ManagementURL but the user only writes RosenpassEnabled.
 	// Request must succeed.
-	s, ctx, profName, username, _ := setupServerWithProfile(t)
-	withMDMPolicy(t, s, mdm.NewPolicy(map[string]any{
+	withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 		mdm.KeyManagementURL: "https://mdm.example.com:443",
 	}))
 
+	s, ctx, profName, username, _ := setupServerWithProfile(t)
+
 	rosenpassEnabled := true
 	resp, err := s.SetConfig(ctx, &proto.SetConfigRequest{
 		ProfileName:      profName,
@@ -220,11 +198,12 @@ func TestSetConfig_MDMAllow_ManagementURLPortNormalized(t *testing.T) {
 
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
-			s, ctx, profName, username, _ := setupServerWithProfile(t)
-			withMDMPolicy(t, s, mdm.NewPolicy(map[string]any{
+			withMDMPolicy(t, mdm.NewPolicy(map[string]any{
 				mdm.KeyManagementURL: tc.mdmURL,
 			}))
 
+			s, ctx, profName, username, _ := setupServerWithProfile(t)
+
 			rosenpassEnabled := true
 			resp, err := s.SetConfig(ctx, &proto.SetConfigRequest{
 				ProfileName:      profName,
@@ -241,8 +220,9 @@ func TestSetConfig_MDMAllow_ManagementURLPortNormalized(t *testing.T) {
 
 func TestSetConfig_MDMEmpty_NoEnforcement(t *testing.T) {
 	// No MDM policy active: any field can be written.
+	withMDMPolicy(t, mdm.NewPolicy(nil))
+
 	s, ctx, profName, username, _ := setupServerWithProfile(t)
-	withMDMPolicy(t, s, mdm.NewPolicy(nil))
 
 	resp, err := s.SetConfig(ctx, &proto.SetConfigRequest{
 		ProfileName:   profName,

client/ui/main.go

@@ -103,6 +103,18 @@ func main() {
 	updaterHolder := updater.NewHolder(app.Event)
 	update := services.NewUpdate(conn, updaterHolder)
 	daemonFeed := services.NewDaemonFeed(conn, app.Event, updaterHolder, debugLog)
+	// Status snapshots go only to visible windows — a snapshot is full state,
+	// so a hidden webview loses nothing by being skipped; it gets the cached
+	// one on show (SetShowReplay below). Every other event stays on the bus.
+	daemonFeed.SetWindowDispatcher(func(st services.Status) {
+		ev := &application.CustomEvent{Name: services.EventStatusSnapshot, Data: st}
+		for _, w := range app.Window.GetAll() {
+			if w == nil || !w.IsVisible() {
+				continue
+			}
+			w.DispatchWailsEvent(ev)
+		}
+	})
 	notifier := notifications.New()
 	compat := services.NewCompat(conn)
 	// macOS shows no toast until permission is requested. Run it after
@@ -152,8 +164,29 @@ func main() {
 	// re-centering on that environment; nil leaves placement to the WM on full
 	// desktops, macOS, and Windows.
 	windowManager.SetRecenterOnShow(recenterOnShowPredicate())
+	// Replay the latest snapshot into a window on (re)show, so a webview that
+	// was hidden while pushes flowed never paints stale state.
+	windowManager.SetShowReplay(func(w application.Window) {
+		if st := daemonFeed.LastStatus(); st != nil {
+			w.DispatchWailsEvent(&application.CustomEvent{Name: services.EventStatusSnapshot, Data: *st})
+		}
+	})
 	app.RegisterService(application.NewService(windowManager))
 
+	// On macOS, Wails' default applicationShouldHandleReopen handler Show()s
+	// every hidden window on dock-icon click, resurrecting hide-on-close
+	// surfaces like Settings. Cancel it in a hook (hooks run before listeners)
+	// and show only the main window. No-op elsewhere — the event never fires.
+	if runtime.GOOS == "darwin" {
+		app.Event.RegisterApplicationEventHook(events.Mac.ApplicationShouldHandleReopen, func(e *application.ApplicationEvent) {
+			e.Cancel()
+			if e.Context().HasVisibleWindows() {
+				return
+			}
+			windowManager.ShowMain()
+		})
+	}
+
 	// Welcome window, first launch only — Continue flips OnboardingCompleted
 	// so later launches skip it. ApplicationStarted hook so the Wails window
 	// machinery is fully up before the window is created.
@@ -377,20 +410,5 @@ func newMainWindow(app *application.App, prefStore *preferences.Store) *applicat
 		window.Hide()
 	})
 
-	// On macOS, Wails' default applicationShouldHandleReopen handler Show()s
-	// every hidden window on dock-icon click, resurrecting hide-on-close
-	// surfaces like Settings. Cancel it in a hook (hooks run before listeners)
-	// and show only the main window. No-op elsewhere — the event never fires.
-	if runtime.GOOS == "darwin" {
-		app.Event.RegisterApplicationEventHook(events.Mac.ApplicationShouldHandleReopen, func(e *application.ApplicationEvent) {
-			e.Cancel()
-			if e.Context().HasVisibleWindows() {
-				return
-			}
-			window.Show()
-			window.Focus()
-		})
-	}
-
 	return window
 }

client/ui/services/daemon_feed.go

@@ -5,6 +5,7 @@ package services
 import (
 	"context"
 	"fmt"
+	"slices"
 	"strings"
 	"sync"
 	"time"
@@ -167,6 +168,14 @@ type DaemonFeed struct {
 	cancel   context.CancelFunc
 	streamWg sync.WaitGroup
 
+	// statusSubs are Go-side snapshot consumers (the tray), fed directly so
+	// they don't ride the window event bus. Callbacks run synchronously on
+	// the stream goroutine, so pushes arrive in order.
+	statusSubsMu     sync.Mutex
+	statusSubs       []func(Status)
+	lastStatus       *Status
+	windowDispatcher func(Status)
+
 	switchMu              sync.Mutex
 	switchInProgress      bool
 	switchInProgressUntil time.Time
@@ -188,6 +197,50 @@ func NewDaemonFeed(conn DaemonConn, emitter Emitter, updaterHolder *updater.Hold
 	return &DaemonFeed{conn: conn, emitter: emitter, updater: updaterHolder, logCtl: logCtl}
 }
 
+// OnStatus registers a Go-side status subscriber. Not for the frontend —
+// React consumers subscribe to EventStatusSnapshot on the event bus.
+func (s *DaemonFeed) OnStatus(cb func(Status)) {
+	s.statusSubsMu.Lock()
+	s.statusSubs = append(s.statusSubs, cb)
+	s.statusSubsMu.Unlock()
+}
+
+// SetWindowDispatcher installs the frontend push path: it receives every
+// snapshot and decides which webview windows get it (visible ones). While
+// unset, pushStatus falls back to the event-bus broadcast.
+func (s *DaemonFeed) SetWindowDispatcher(fn func(Status)) {
+	s.statusSubsMu.Lock()
+	s.windowDispatcher = fn
+	s.statusSubsMu.Unlock()
+}
+
+// pushStatus delivers a snapshot to the Go-side subscribers and the frontend,
+// and caches it for LastStatus replays. Hidden windows are skipped by the
+// window dispatcher; they catch up via the show replay (WindowManager).
+func (s *DaemonFeed) pushStatus(st Status) {
+	s.statusSubsMu.Lock()
+	s.lastStatus = &st
+	subs := slices.Clone(s.statusSubs)
+	dispatch := s.windowDispatcher
+	s.statusSubsMu.Unlock()
+	for _, cb := range subs {
+		cb(st)
+	}
+	if dispatch != nil {
+		dispatch(st)
+		return
+	}
+	s.emitter.Emit(EventStatusSnapshot, st)
+}
+
+// LastStatus returns the most recently pushed snapshot, or nil before the
+// first push. Windows becoming visible replay it so they never paint stale.
+func (s *DaemonFeed) LastStatus() *Status {
+	s.statusSubsMu.Lock()
+	defer s.statusSubsMu.Unlock()
+	return s.lastStatus
+}
+
 // BeginProfileSwitch arms suppression for a switch from Connected/Connecting,
 // where the daemon emits stale Connected updates during Down's teardown then an
 // Idle before the new Up; statusStreamLoop drops those, and a synthetic
@@ -201,7 +254,7 @@ func (s *DaemonFeed) BeginProfileSwitch() {
 	s.switchLoginWatch = true
 	s.switchLoginWatchUntil = now.Add(30 * time.Second)
 	s.switchMu.Unlock()
-	s.emitter.Emit(EventStatusSnapshot, Status{Status: StatusConnecting})
+	s.pushStatus(Status{Status: StatusConnecting})
 }
 
 // CancelProfileSwitch aborts a switch midway (tray Disconnect while Connecting):
@@ -343,7 +396,7 @@ func (s *DaemonFeed) statusStreamLoop(ctx context.Context) {
 			return
 		}
 		unavailable = true
-		s.emitter.Emit(EventStatusSnapshot, Status{Status: StatusDaemonUnavailable})
+		s.pushStatus(Status{Status: StatusDaemonUnavailable})
 	}
 
 	op := func() error {
@@ -403,7 +456,7 @@ func (s *DaemonFeed) emitStatus(st Status) {
 		log.Debugf("suppressing status=%q during profile switch", st.Status)
 		return
 	}
-	s.emitter.Emit(EventStatusSnapshot, st)
+	s.pushStatus(st)
 	if triggerLogin {
 		s.emitter.Emit(EventTriggerLogin)
 	}

client/ui/services/windowmanager.go

@@ -115,6 +115,9 @@ type WindowManager struct {
 	// recenterOnShow is set only on the minimal-WM/XEmbed path, where the WM neither centers nor
 	// restores position; nil on full desktops so re-centering can't fight a user-moved window.
 	recenterOnShow func() bool
+	// showReplay fires whenever a live-but-hidden window is (re)shown, so the
+	// caller can replay the latest status snapshot into its webview.
+	showReplay func(application.Window)
 }
 
 // NewWindowManager wires the manager to the main app; translator/prefs may be nil (tests). The
@@ -174,6 +177,7 @@ func (s *WindowManager) OpenSettings(tab string) {
 	s.app.Event.Emit(EventSettingsOpen, target)
 	s.settings.Show()
 	s.settings.Focus()
+	s.notifyShown(s.settings)
 	// Re-center (minimal-WM only; see centerWhenReady).
 	s.centerWhenReady(s.settings)
 }
@@ -220,6 +224,7 @@ func (s *WindowManager) OpenBrowserLogin(uri string) {
 	s.centerOnCursorScreen(s.browserLogin)
 	s.browserLogin.Show()
 	s.browserLogin.Focus()
+	s.notifyShown(s.browserLogin)
 }
 
 // BrowserLoginWindow returns the live SSO popup, or nil. While non-nil it is the
@@ -280,6 +285,7 @@ func (s *WindowManager) OpenSessionExpiration(seconds int) {
 	s.centerOnCursorScreen(s.sessionExpiration)
 	s.sessionExpiration.Show()
 	s.sessionExpiration.Focus()
+	s.notifyShown(s.sessionExpiration)
 }
 
 func (s *WindowManager) CloseSessionExpiration() {
@@ -347,6 +353,7 @@ func (s *WindowManager) OpenInstallProgress(version string) {
 	s.installProgress.SetURL(startURL)
 	s.installProgress.Show()
 	s.installProgress.Focus()
+	s.notifyShown(s.installProgress)
 	s.centerWhenReady(s.installProgress)
 }
 
@@ -380,6 +387,7 @@ func (s *WindowManager) OpenWelcome() {
 	}
 	s.welcome.Show()
 	s.welcome.Focus()
+	s.notifyShown(s.welcome)
 	s.centerWhenReady(s.welcome)
 }
 
@@ -417,6 +425,7 @@ func (s *WindowManager) OpenError(title, message string) {
 	s.errorDialog.SetURL(startURL)
 	s.errorDialog.Show()
 	s.errorDialog.Focus()
+	s.notifyShown(s.errorDialog)
 	s.centerWhenReady(s.errorDialog)
 }
 
@@ -443,6 +452,7 @@ func (s *WindowManager) ShowMain() {
 	}
 	s.mainWindow.Show()
 	s.mainWindow.Focus()
+	s.notifyShown(s.mainWindow)
 	// Re-center (minimal-WM only; see centerWhenReady).
 	s.centerWhenReady(s.mainWindow)
 }
@@ -452,6 +462,17 @@ func (s *WindowManager) SetRecenterOnShow(pred func() bool) {
 	s.recenterOnShow = pred
 }
 
+// SetShowReplay installs the shown-window hook (see the showReplay field).
+func (s *WindowManager) SetShowReplay(fn func(application.Window)) {
+	s.showReplay = fn
+}
+
+func (s *WindowManager) notifyShown(w application.Window) {
+	if s.showReplay != nil && w != nil {
+		s.showReplay(w)
+	}
+}
+
 // centerWhenReady centers w only on minimal WMs (recenterOnShow); elsewhere it
 // returns so it never fights a user-moved window. On GTK4 an inline Center()
 // no-ops until the GdkSurface is realized (async, after Show) and InvokeAsync
@@ -572,6 +593,7 @@ func (s *WindowManager) restoreHiddenWindowsLocked() {
 			continue
 		}
 		w.Show()
+		s.notifyShown(w)
 		if w == s.mainWindow {
 			mainRestored = true
 		}

client/ui/tray.go

@@ -172,7 +172,7 @@ func NewTray(app *application.App, window *application.WebviewWindow, svc TraySe
 		// in the right locale — no English flash then re-paint.
 		loc: svc.Localizer,
 	}
-	t.updater = newTrayUpdater(app, window, svc.Update, svc.Notifier, t.loc, func() { t.applyIcon() }, func() { t.relayoutMenu() })
+	t.updater = newTrayUpdater(app, window, svc.Update, svc.Notifier, t.loc, func() { t.applyIcon() }, func() { t.relayoutMenu() }, func() { t.showMainWindow() })
 	t.tray = app.SystemTray.New()
 	// Seed panel-theme detection before the first paint so the initial icon
 	// matches the panel's light/dark scheme (Linux only).
@@ -196,7 +196,7 @@ func NewTray(app *application.App, window *application.WebviewWindow, svc TraySe
 	// menu (e.g. GNOME Shell AppIndicator).
 	bindTrayClick(t)
 
-	app.Event.On(services.EventStatusSnapshot, t.onStatusEvent)
+	svc.DaemonFeed.OnStatus(t.applyStatus)
 	app.Event.On(services.EventDaemonNotification, t.onSystemEvent)
 	// Refresh the Profiles submenu on ProfileSwitcher's change event. A
 	// switch on an idle daemon drives no status transition, so without this
@@ -253,6 +253,19 @@ func (t *Tray) ShowWindow() {
 	t.window.Focus()
 }
 
+// showMainWindow brings the main window forward through the WindowManager so
+// the status replay and re-centering apply; falls back to a bare Show in tests.
+func (t *Tray) showMainWindow() {
+	if t.svc.WindowManager != nil {
+		t.svc.WindowManager.ShowMain()
+		return
+	}
+	if t.window != nil {
+		t.window.Show()
+		t.window.Focus()
+	}
+}
+
 // applyLanguage re-renders every translated surface in the Localizer's current
 // language. Wails dispatches menu/tray APIs onto the UI thread internally, so
 // calling them from the Localizer's background goroutine is safe; profileLoadMu

client/ui/tray_session.go

@@ -30,11 +30,11 @@ const (
 // handleSessionExpired notifies and brings the window forward so the frontend's /login route drives renewal.
 func (t *Tray) handleSessionExpired() {
 	t.notify(t.loc.T("notify.sessionExpired.title"), t.loc.T("notify.sessionExpired.body"), notifyIDSessionExpired)
-	if t.window != nil {
-		t.window.SetURL("/#/login")
-		t.window.Show()
-		t.window.Focus()
+	if t.window == nil {
+		return
 	}
+	t.window.SetURL("/#/login")
+	t.showMainWindow()
 }
 
 // applySessionExpiry refreshes the cached SSO deadline and reports whether it changed.
@@ -310,8 +310,7 @@ func (t *Tray) openSessionExtendFlow() {
 	if seconds <= 0 {
 		if t.window != nil {
 			t.window.SetURL("/#/login")
-			t.window.Show()
-			t.window.Focus()
+			t.showMainWindow()
 		}
 		return
 	}

client/ui/tray_status.go

@@ -5,19 +5,9 @@ package main
 import (
 	"strings"
 
-	"github.com/wailsapp/wails/v3/pkg/application"
-
 	"github.com/netbirdio/netbird/client/ui/services"
 )
 
-func (t *Tray) onStatusEvent(ev *application.CustomEvent) {
-	st, ok := ev.Data.(services.Status)
-	if !ok {
-		return
-	}
-	t.applyStatus(st)
-}
-
 // applyStatus repaints the tray from a daemon snapshot. Icon refresh is skipped
 // when no icon-relevant input changed: the daemon emits rapid SubscribeStatus
 // bursts during health probes that would otherwise spam Shell_NotifyIcon.

client/ui/tray_update.go

@@ -28,6 +28,9 @@ type trayUpdater struct {
 	// About submenu, which KDE/Plasma caches on first open and never re-fetches
 	// on a plain SetLabel/SetHidden — only a relayout (fresh submenu ids) repaints.
 	onMenuChange func()
+	// showMain brings the main window forward via the WindowManager (status
+	// replay + centering); nil falls back to a bare window.Show.
+	showMain func()
 
 	mu                 sync.Mutex
 	item               *application.MenuItem
@@ -36,7 +39,7 @@ type trayUpdater struct {
 	progressWindowOpen bool
 }
 
-func newTrayUpdater(app *application.App, window *application.WebviewWindow, update *services.Update, notifier *notifications.NotificationService, loc *Localizer, onIconChange func(), onMenuChange func()) *trayUpdater {
+func newTrayUpdater(app *application.App, window *application.WebviewWindow, update *services.Update, notifier *notifications.NotificationService, loc *Localizer, onIconChange, onMenuChange, showMain func()) *trayUpdater {
 	u := &trayUpdater{
 		app:          app,
 		window:       window,
@@ -45,6 +48,7 @@ func newTrayUpdater(app *application.App, window *application.WebviewWindow, upd
 		loc:          loc,
 		onIconChange: onIconChange,
 		onMenuChange: onMenuChange,
+		showMain:     showMain,
 	}
 	app.Event.On(updater.EventStateChanged, u.onStateEvent)
 	// Seed from cached state to cover an event that fired before wiring completed.
@@ -193,6 +197,10 @@ func (u *trayUpdater) openProgressWindow(version string) {
 		url += "?version=" + version
 	}
 	u.window.SetURL(url)
+	if u.showMain != nil {
+		u.showMain()
+		return
+	}
 	u.window.Show()
 	u.window.Focus()
 }