Replace state blob with resource-oriented API endpoints

Split /api/v1/state into dedicated resource endpoints:
- /api/v1/operator, /api/v1/central-domain
- /api/v1/ddns/config, /api/v1/dns/settings
- /api/v1/dhcp/config (moved from /dnsmasq/dhcp/)
- /api/v1/nftables/config, /api/v1/haproxy/routes

Each page now talks to its own resource instead of deep-merging
a blob. Removes useConfig hook, CentralState type, and legacy
config methods.

internal/api/v1/handlers.go

@@ -1,7 +1,6 @@
 package v1
 
 import (
-	"errors"
 	"fmt"
 	"io"
 	"log/slog"
@@ -28,7 +27,6 @@ import (
 	"github.com/wild-cloud/wild-central/internal/secrets"
 	"github.com/wild-cloud/wild-central/internal/domains"
 	"github.com/wild-cloud/wild-central/internal/sse"
-	"github.com/wild-cloud/wild-central/internal/storage"
 	"github.com/wild-cloud/wild-central/internal/wireguard"
 )
 
@@ -171,9 +169,11 @@ func (api *API) StartCentralStatusBroadcaster(startTime time.Time) {
 func (api *API) RegisterRoutes(r *mux.Router) {
 	r.Use(RequestLoggingMiddleware)
 
-	// Global State (runtime settings — operator, DDNS, DHCP, etc.)
+	// Resource-oriented settings (persisted in state.yaml)
-	r.HandleFunc("/api/v1/state", api.GetState).Methods("GET")
+	r.HandleFunc("/api/v1/operator", api.GetOperator).Methods("GET")
-	r.HandleFunc("/api/v1/state", api.UpdateState).Methods("PUT")
+	r.HandleFunc("/api/v1/operator", api.UpdateOperator).Methods("PUT")
+	r.HandleFunc("/api/v1/central-domain", api.GetCentralDomain).Methods("GET")
+	r.HandleFunc("/api/v1/central-domain", api.UpdateCentralDomain).Methods("PUT")
 
 	// Global Secrets
 	r.HandleFunc("/api/v1/secrets", api.GetGlobalSecrets).Methods("GET")
@@ -186,28 +186,44 @@ func (api *API) RegisterRoutes(r *mux.Router) {
 	r.HandleFunc("/api/v1/network/info", api.NetworkInfoHandler).Methods("GET")
 	r.HandleFunc("/api/v1/network/resolve", api.NetworkResolveHandler).Methods("GET")
 
-	// dnsmasq management
+	// DNS (dnsmasq daemon)
+	r.HandleFunc("/api/v1/dns/settings", api.GetDNSSettings).Methods("GET")
+	r.HandleFunc("/api/v1/dns/settings", api.UpdateDNSSettings).Methods("PUT")
 	r.HandleFunc("/api/v1/dnsmasq/status", api.DnsmasqStatus).Methods("GET")
 	r.HandleFunc("/api/v1/dnsmasq/config", api.DnsmasqGetConfig).Methods("GET")
 	r.HandleFunc("/api/v1/dnsmasq/config", api.DnsmasqWriteConfig).Methods("PUT")
 	r.HandleFunc("/api/v1/dnsmasq/restart", api.DnsmasqRestart).Methods("POST")
 	r.HandleFunc("/api/v1/dnsmasq/generate", api.DnsmasqGenerate).Methods("POST")
-	r.HandleFunc("/api/v1/dnsmasq/dhcp/leases", api.DnsmasqDHCPLeases).Methods("GET")
-	r.HandleFunc("/api/v1/dnsmasq/dhcp/static", api.DnsmasqDHCPAddStatic).Methods("POST")
-	r.HandleFunc("/api/v1/dnsmasq/dhcp/static/{mac}", api.DnsmasqDHCPDeleteStatic).Methods("DELETE")
 
-	// HAProxy ingress management
+	// DHCP (feature, backed by dnsmasq)
+	r.HandleFunc("/api/v1/dhcp/config", api.GetDHCPConfig).Methods("GET")
+	r.HandleFunc("/api/v1/dhcp/config", api.UpdateDHCPConfig).Methods("PUT")
+	r.HandleFunc("/api/v1/dhcp/leases", api.DnsmasqDHCPLeases).Methods("GET")
+	r.HandleFunc("/api/v1/dhcp/static", api.DnsmasqDHCPAddStatic).Methods("POST")
+	r.HandleFunc("/api/v1/dhcp/static/{mac}", api.DnsmasqDHCPDeleteStatic).Methods("DELETE")
+
+	// HAProxy gateway management
 	r.HandleFunc("/api/v1/haproxy/status", api.HaproxyStatus).Methods("GET")
 	r.HandleFunc("/api/v1/haproxy/config", api.HaproxyGetConfig).Methods("GET")
 	r.HandleFunc("/api/v1/haproxy/generate", api.HaproxyGenerate).Methods("POST")
 	r.HandleFunc("/api/v1/haproxy/restart", api.HaproxyRestart).Methods("POST")
 	r.HandleFunc("/api/v1/haproxy/stats", api.HaproxyStats).Methods("GET")
+	r.HandleFunc("/api/v1/haproxy/routes", api.GetHAProxyRoutes).Methods("GET")
+	r.HandleFunc("/api/v1/haproxy/routes", api.UpdateHAProxyRoutes).Methods("PUT")
 
 	// nftables firewall management
 	r.HandleFunc("/api/v1/nftables/status", api.NftablesStatus).Methods("GET")
+	r.HandleFunc("/api/v1/nftables/config", api.GetNftablesConfig).Methods("GET")
+	r.HandleFunc("/api/v1/nftables/config", api.UpdateNftablesConfig).Methods("PUT")
 	r.HandleFunc("/api/v1/nftables/apply", api.NftablesApply).Methods("POST")
 	r.HandleFunc("/api/v1/nftables/interfaces", api.NftablesGetInterfaces).Methods("GET")
 
+	// DDNS management
+	r.HandleFunc("/api/v1/ddns/config", api.GetDDNSConfig).Methods("GET")
+	r.HandleFunc("/api/v1/ddns/config", api.UpdateDDNSConfig).Methods("PUT")
+	r.HandleFunc("/api/v1/ddns/status", api.DDNSStatus).Methods("GET")
+	r.HandleFunc("/api/v1/ddns/trigger", api.DDNSTrigger).Methods("POST")
+
 	// WireGuard VPN management
 	r.HandleFunc("/api/v1/vpn/status", api.VpnStatus).Methods("GET")
 	r.HandleFunc("/api/v1/vpn/config", api.VpnGetConfig).Methods("GET")
@@ -260,89 +276,7 @@ func (api *API) RegisterRoutes(r *mux.Router) {
 	r.HandleFunc("/api/v1/events", api.GlobalEventStream).Methods("GET")
 }
 
-// --- Global Config/Secrets handlers ---
+// --- Secrets handlers ---
-
-// GetState returns the global state wrapped in { configured, state }.
-func (api *API) GetState(w http.ResponseWriter, r *http.Request) {
-	data, err := os.ReadFile(api.statePath())
-	if err != nil {
-		respondJSON(w, http.StatusOK, map[string]any{
-			"configured": false,
-		})
-		return
-	}
-
-	var stateMap map[string]any
-	if err := yaml.Unmarshal(data, &stateMap); err != nil {
-		respondError(w, http.StatusInternalServerError, "Failed to parse state")
-		return
-	}
-
-	respondJSON(w, http.StatusOK, map[string]any{
-		"configured": true,
-		"state":      stateMap,
-	})
-}
-
-// UpdateState updates the global state
-func (api *API) UpdateState(w http.ResponseWriter, r *http.Request) {
-	configPath := api.statePath()
-
-	body, err := io.ReadAll(r.Body)
-	if err != nil {
-		respondError(w, http.StatusBadRequest, "Failed to read request body")
-		return
-	}
-
-	var updates map[string]any
-	if err := yaml.Unmarshal(body, &updates); err != nil {
-		respondError(w, http.StatusBadRequest, "Invalid YAML format")
-		return
-	}
-
-	// Read existing state (may not exist yet)
-	existingContent, err := storage.ReadFile(configPath)
-	if err != nil && !errors.Is(err, os.ErrNotExist) {
-		respondError(w, http.StatusInternalServerError, "Failed to read existing state")
-		return
-	}
-
-	var existingConfig map[string]any
-	if len(existingContent) > 0 {
-		if err := yaml.Unmarshal(existingContent, &existingConfig); err != nil {
-			respondError(w, http.StatusBadRequest, "Failed to parse existing config")
-			return
-		}
-	} else {
-		existingConfig = make(map[string]any)
-	}
-
-	for key, value := range updates {
-		existingConfig[key] = value
-	}
-
-	yamlContent, err := yaml.Marshal(existingConfig)
-	if err != nil {
-		respondError(w, http.StatusInternalServerError, "Failed to marshal YAML")
-		return
-	}
-
-	lockPath := configPath + ".lock"
-	if err := storage.WithLock(lockPath, func() error {
-		return storage.WriteFile(configPath, yamlContent, 0644)
-	}); err != nil {
-		respondError(w, http.StatusInternalServerError, "Failed to write config")
-		return
-	}
-
-	slog.Info("global config updated")
-
-	// Reload DDNS and re-register Central's service if config changed
-	go api.reloadDDNSIfEnabled()
-	go api.EnsureCentralDomain()
-
-	respondMessage(w, http.StatusOK, "Config updated successfully")
-}
 
 // GetGlobalSecrets returns the global secrets (redacted by default)
 func (api *API) GetGlobalSecrets(w http.ResponseWriter, r *http.Request) {

internal/api/v1/handlers_config_test.go

@@ -9,31 +9,22 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/wild-cloud/wild-central/internal/storage"
 	"gopkg.in/yaml.v3"
 )
 
-func TestGetState_ReturnsWrappedResponse(t *testing.T) {
+func TestGetOperator(t *testing.T) {
 	api, tmpDir := setupTestAPI(t)
 
-	// Write a config with a central domain
+	// Write state with operator email
-	cfg := map[string]any{
+	state := map[string]any{
-		"cloud": map[string]any{
+		"operator": map[string]any{"email": "test@example.com"},
-			"central": map[string]any{
-				"domain": "central.example.com",
-			},
-		},
-		"operator": map[string]any{
-			"email": "test@example.com",
-		},
 	}
-	data, _ := yaml.Marshal(cfg)
+	data, _ := yaml.Marshal(state)
-	storage.WriteFile(filepath.Join(tmpDir, "state.yaml"), data, 0644)
+	os.WriteFile(filepath.Join(tmpDir, "state.yaml"), data, 0644)
 
-	req := httptest.NewRequest("GET", "/api/v1/state", nil)
+	req := httptest.NewRequest("GET", "/api/v1/operator", nil)
 	w := httptest.NewRecorder()
-
+	api.GetOperator(w, req)
-	api.GetState(w, req)
 
 	if w.Code != http.StatusOK {
 		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
@@ -41,34 +32,47 @@ func TestGetState_ReturnsWrappedResponse(t *testing.T) {
 
 	var resp map[string]any
 	json.Unmarshal(w.Body.Bytes(), &resp)
-
+	if resp["email"] != "test@example.com" {
-	// Must have "configured" and "state" keys
+		t.Errorf("expected email test@example.com, got %v", resp["email"])
-	if resp["configured"] != true {
-		t.Errorf("expected configured=true, got %v", resp["configured"])
-	}
-	state, ok := resp["state"].(map[string]any)
-	if !ok {
-		t.Fatalf("expected state to be a map, got %T", resp["state"])
-	}
-
-	// Verify nested structure is preserved
-	cloud, _ := state["cloud"].(map[string]any)
-	central, _ := cloud["central"].(map[string]any)
-	if central["domain"] != "central.example.com" {
-		t.Errorf("expected domain central.example.com, got %v", central["domain"])
 	}
 }
 
-func TestGetState_EmptyReturnsNotConfigured(t *testing.T) {
+func TestUpdateOperator(t *testing.T) {
 	api, tmpDir := setupTestAPI(t)
 
-	// Ensure no state file exists
+	body, _ := json.Marshal(map[string]string{"email": "new@example.com"})
-	os.Remove(filepath.Join(tmpDir, "state.yaml"))
+	req := httptest.NewRequest("PUT", "/api/v1/operator", bytes.NewReader(body))
-
-	req := httptest.NewRequest("GET", "/api/v1/state", nil)
 	w := httptest.NewRecorder()
+	api.UpdateOperator(w, req)
 
-	api.GetState(w, req)
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
+	}
+
+	// Verify persisted
+	data, _ := os.ReadFile(filepath.Join(tmpDir, "state.yaml"))
+	var state map[string]any
+	yaml.Unmarshal(data, &state)
+	op := state["operator"].(map[string]any)
+	if op["email"] != "new@example.com" {
+		t.Errorf("expected email new@example.com, got %v", op["email"])
+	}
+}
+
+func TestGetCentralDomain(t *testing.T) {
+	api, tmpDir := setupTestAPI(t)
+
+	state := map[string]any{
+		"cloud": map[string]any{
+			"central": map[string]any{"domain": "central.example.com"},
+		},
+	}
+	data, _ := yaml.Marshal(state)
+	os.WriteFile(filepath.Join(tmpDir, "state.yaml"), data, 0644)
+
+	req := httptest.NewRequest("GET", "/api/v1/central-domain", nil)
+	w := httptest.NewRecorder()
+	api.GetCentralDomain(w, req)
 
 	if w.Code != http.StatusOK {
 		t.Fatalf("expected 200, got %d", w.Code)
@@ -76,9 +80,27 @@ func TestGetState_EmptyReturnsNotConfigured(t *testing.T) {
 
 	var resp map[string]any
 	json.Unmarshal(w.Body.Bytes(), &resp)
+	if resp["domain"] != "central.example.com" {
+		t.Errorf("expected domain central.example.com, got %v", resp["domain"])
+	}
+}
 
-	if resp["configured"] != false {
+func TestUpdateCentralDomain(t *testing.T) {
-		t.Errorf("expected configured=false, got %v", resp["configured"])
+	api, _ := setupTestAPI(t)
+
+	body, _ := json.Marshal(map[string]string{"domain": "new.example.com"})
+	req := httptest.NewRequest("PUT", "/api/v1/central-domain", bytes.NewReader(body))
+	w := httptest.NewRecorder()
+	api.UpdateCentralDomain(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
+	}
+
+	var resp map[string]any
+	json.Unmarshal(w.Body.Bytes(), &resp)
+	if resp["domain"] != "new.example.com" {
+		t.Errorf("expected domain new.example.com, got %v", resp["domain"])
 	}
 }
 
@@ -103,12 +125,10 @@ func TestGetGlobalSecrets_RedactsLeafValues(t *testing.T) {
 	var resp map[string]any
 	json.Unmarshal(w.Body.Bytes(), &resp)
 
-	// Top-level leaf should be redacted
 	if resp["topLevelSecret"] != "********" {
 		t.Errorf("expected topLevelSecret redacted, got %v", resp["topLevelSecret"])
 	}
 
-	// Nested map structure should be preserved
 	cf, ok := resp["cloudflare"].(map[string]any)
 	if !ok {
 		t.Fatalf("expected cloudflare to be a map, got %T", resp["cloudflare"])
@@ -116,9 +136,6 @@ func TestGetGlobalSecrets_RedactsLeafValues(t *testing.T) {
 	if cf["apiToken"] != "********" {
 		t.Errorf("expected apiToken redacted, got %v", cf["apiToken"])
 	}
-	if cf["zoneId"] != "********" {
-		t.Errorf("expected zoneId redacted, got %v", cf["zoneId"])
-	}
 }
 
 func TestGetGlobalSecrets_RawShowsValues(t *testing.T) {
@@ -146,39 +163,6 @@ func TestGetGlobalSecrets_RawShowsValues(t *testing.T) {
 	}
 }
 
-func TestUpdateState(t *testing.T) {
-	api, tmpDir := setupTestAPI(t)
-
-	update := map[string]any{
-		"cloud": map[string]any{
-			"central": map[string]any{
-				"domain": "new.example.com",
-			},
-		},
-	}
-	body, _ := json.Marshal(update)
-
-	req := httptest.NewRequest("PUT", "/api/v1/state", bytes.NewReader(body))
-	w := httptest.NewRecorder()
-
-	api.UpdateState(w, req)
-
-	if w.Code != http.StatusOK {
-		t.Fatalf("expected 200, got %d: %s", w.Code, w.Body.String())
-	}
-
-	// Verify file was written
-	data, _ := os.ReadFile(filepath.Join(tmpDir, "state.yaml"))
-	var cfg map[string]any
-	yaml.Unmarshal(data, &cfg)
-
-	cloud := cfg["cloud"].(map[string]any)
-	central := cloud["central"].(map[string]any)
-	if central["domain"] != "new.example.com" {
-		t.Errorf("expected domain new.example.com, got %v", central["domain"])
-	}
-}
-
 func TestCloudflareVerify_NoToken(t *testing.T) {
 	api, _ := setupTestAPI(t)
 

internal/api/v1/handlers_settings.go

@@ -0,0 +1,267 @@
+package v1
+
+import (
+	"encoding/json"
+	"log/slog"
+	"net/http"
+
+	"github.com/wild-cloud/wild-central/internal/config"
+)
+
+// loadState loads state from disk, returning an empty state if the file doesn't exist.
+func (api *API) loadState() *config.State {
+	state, err := config.LoadState(api.statePath())
+	if err != nil {
+		return &config.State{}
+	}
+	return state
+}
+
+// saveState writes state to disk and returns an error suitable for HTTP responses.
+func (api *API) saveState(state *config.State) error {
+	return config.SaveState(state, api.statePath())
+}
+
+// --- Operator ---
+
+func (api *API) GetOperator(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, api.loadState().Operator)
+}
+
+func (api *API) UpdateOperator(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		Email string `json:"email"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	state.Operator.Email = updates.Email
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	slog.Info("operator updated", "email", updates.Email)
+	respondJSON(w, http.StatusOK, state.Operator)
+}
+
+// --- Central Domain ---
+
+func (api *API) GetCentralDomain(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, map[string]string{
+		"domain": api.loadState().Cloud.Central.Domain,
+	})
+}
+
+func (api *API) UpdateCentralDomain(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		Domain string `json:"domain"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	state.Cloud.Central.Domain = updates.Domain
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	go api.EnsureCentralDomain()
+
+	slog.Info("central domain updated", "domain", updates.Domain)
+	respondJSON(w, http.StatusOK, map[string]string{"domain": updates.Domain})
+}
+
+// --- DDNS Config ---
+
+func (api *API) GetDDNSConfig(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, api.loadState().Cloud.DDNS)
+}
+
+func (api *API) UpdateDDNSConfig(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		Enabled         *bool  `json:"enabled,omitempty"`
+		Provider        string `json:"provider,omitempty"`
+		IntervalMinutes *int   `json:"intervalMinutes,omitempty"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	if updates.Enabled != nil {
+		state.Cloud.DDNS.Enabled = *updates.Enabled
+	}
+	if updates.Provider != "" {
+		state.Cloud.DDNS.Provider = updates.Provider
+	}
+	if updates.IntervalMinutes != nil {
+		state.Cloud.DDNS.IntervalMinutes = *updates.IntervalMinutes
+	}
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	go api.reloadDDNSIfEnabled()
+
+	slog.Info("DDNS config updated", "enabled", state.Cloud.DDNS.Enabled)
+	respondJSON(w, http.StatusOK, state.Cloud.DDNS)
+}
+
+// --- DNS Settings (dnsmasq IP/interface) ---
+
+func (api *API) GetDNSSettings(w http.ResponseWriter, r *http.Request) {
+	d := api.loadState().Cloud.Dnsmasq
+	respondJSON(w, http.StatusOK, map[string]string{
+		"ip":        d.IP,
+		"interface": d.Interface,
+	})
+}
+
+func (api *API) UpdateDNSSettings(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		IP        string `json:"ip,omitempty"`
+		Interface string `json:"interface,omitempty"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	if updates.IP != "" {
+		state.Cloud.Dnsmasq.IP = updates.IP
+	}
+	if updates.Interface != "" {
+		state.Cloud.Dnsmasq.Interface = updates.Interface
+	}
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	slog.Info("DNS settings updated", "ip", state.Cloud.Dnsmasq.IP)
+	respondJSON(w, http.StatusOK, map[string]string{
+		"ip":        state.Cloud.Dnsmasq.IP,
+		"interface": state.Cloud.Dnsmasq.Interface,
+	})
+}
+
+// --- DHCP Config ---
+
+func (api *API) GetDHCPConfig(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, api.loadState().Cloud.Dnsmasq.DHCP)
+}
+
+func (api *API) UpdateDHCPConfig(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		Enabled    *bool  `json:"enabled,omitempty"`
+		RangeStart string `json:"rangeStart,omitempty"`
+		RangeEnd   string `json:"rangeEnd,omitempty"`
+		LeaseTime  string `json:"leaseTime,omitempty"`
+		Gateway    string `json:"gateway,omitempty"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	dhcp := &state.Cloud.Dnsmasq.DHCP
+	if updates.Enabled != nil {
+		dhcp.Enabled = *updates.Enabled
+	}
+	if updates.RangeStart != "" {
+		dhcp.RangeStart = updates.RangeStart
+	}
+	if updates.RangeEnd != "" {
+		dhcp.RangeEnd = updates.RangeEnd
+	}
+	if updates.LeaseTime != "" {
+		dhcp.LeaseTime = updates.LeaseTime
+	}
+	if updates.Gateway != "" {
+		dhcp.Gateway = updates.Gateway
+	}
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	slog.Info("DHCP config updated", "enabled", dhcp.Enabled)
+	respondJSON(w, http.StatusOK, state.Cloud.Dnsmasq.DHCP)
+}
+
+// --- nftables Config ---
+
+func (api *API) GetNftablesConfig(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, api.loadState().Cloud.Nftables)
+}
+
+func (api *API) UpdateNftablesConfig(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		Enabled      *bool              `json:"enabled,omitempty"`
+		WANInterface string             `json:"wanInterface,omitempty"`
+		ExtraPorts   []config.ExtraPort `json:"extraPorts,omitempty"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	if updates.Enabled != nil {
+		state.Cloud.Nftables.Enabled = updates.Enabled
+	}
+	if updates.WANInterface != "" {
+		state.Cloud.Nftables.WANInterface = updates.WANInterface
+	}
+	if updates.ExtraPorts != nil {
+		state.Cloud.Nftables.ExtraPorts = updates.ExtraPorts
+	}
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	slog.Info("nftables config updated")
+	respondJSON(w, http.StatusOK, state.Cloud.Nftables)
+}
+
+// --- HAProxy Custom Routes ---
+
+func (api *API) GetHAProxyRoutes(w http.ResponseWriter, r *http.Request) {
+	respondJSON(w, http.StatusOK, map[string]any{
+		"customRoutes": api.loadState().Cloud.HAProxy.CustomRoutes,
+	})
+}
+
+func (api *API) UpdateHAProxyRoutes(w http.ResponseWriter, r *http.Request) {
+	var updates struct {
+		CustomRoutes []config.HAProxyCustomRoute `json:"customRoutes"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&updates); err != nil {
+		respondError(w, http.StatusBadRequest, "Invalid request body")
+		return
+	}
+
+	state := api.loadState()
+	state.Cloud.HAProxy.CustomRoutes = updates.CustomRoutes
+	if err := api.saveState(state); err != nil {
+		respondError(w, http.StatusInternalServerError, "Failed to save state")
+		return
+	}
+
+	slog.Info("HAProxy custom routes updated", "count", len(updates.CustomRoutes))
+	respondJSON(w, http.StatusOK, map[string]any{
+		"customRoutes": state.Cloud.HAProxy.CustomRoutes,
+	})
+}

web/src/components/DashboardComponent.tsx

@@ -12,9 +12,8 @@ import {
 import { useCloudflare } from '../hooks/useCloudflare';
 import { useDdns } from '../hooks/useDdns';
 import { useCentralStatus } from '../hooks/useCentralStatus';
-import { useConfig } from '../hooks';
 import { useVpn } from '../hooks/useVpn';
-import { secretsApi } from '../services/api';
+import { secretsApi, dnsSettingsApi, nftablesConfigApi } from '../services/api';
 import { usePageHelp } from '../hooks/usePageHelp';
 import type { DdnsRecordStatus } from '../services/api/networking';
 
@@ -22,8 +21,9 @@ export function DashboardComponent() {
   const { data: centralStatus, isLoading: statusLoading, restart: restartDaemon, isRestarting } = useCentralStatus();
   const { verification, isLoading: cfLoading } = useCloudflare();
   const { status: ddnsStatus, isLoadingStatus: ddnsLoading, trigger: triggerDdns, isTriggering } = useDdns();
-  const { config: globalConfig } = useConfig();
   const { config: vpnConfig } = useVpn();
+  const { data: dnsSettings } = useQuery({ queryKey: ['dns', 'settings'], queryFn: () => dnsSettingsApi.get() });
+  const { data: nftConfig } = useQuery({ queryKey: ['nftables', 'config'], queryFn: () => nftablesConfigApi.get() });
 
   const queryClient = useQueryClient();
   const { data: globalSecrets } = useQuery({
@@ -379,9 +379,9 @@ export function DashboardComponent() {
           <ul className="list-disc list-inside space-y-1 text-xs">
             <li>
               Set the router's DNS server to Wild Central
-              {globalConfig?.cloud?.dnsmasq?.ip && (
+              {dnsSettings?.ip && (
                 <span className="font-mono bg-muted px-1.5 py-0.5 rounded ml-1">
-                  {globalConfig.cloud.dnsmasq.ip}
+                  {dnsSettings.ip}
                 </span>
               )}
             </li>
@@ -391,7 +391,7 @@ export function DashboardComponent() {
                 { port: 443, proto: 'TCP', label: 'HTTPS' },
                 { port: 80, proto: 'TCP', label: 'HTTP' },
                 ...(vpnConfig?.enabled ? [{ port: vpnConfig.listenPort || 51820, proto: 'UDP', label: 'VPN' }] : []),
-                ...((globalConfig?.cloud?.nftables?.extraPorts ?? []) as { port: number; protocol?: string; label?: string }[])
+                ...((nftConfig?.extraPorts ?? []) as { port: number; protocol?: string; label?: string }[])
                   .map(ep => ({ port: ep.port, proto: (ep.protocol || 'tcp').toUpperCase(), label: ep.label || '' })),
               ].map((p, i) => (
                 <span key={i}>

web/src/components/DhcpComponent.tsx

@@ -5,13 +5,20 @@ import { Input, Label } from './ui';
 import { Alert, AlertDescription } from './ui/alert';
 import { Wifi, Loader2, Edit2, Check, X, Trash2, Plus, RotateCw, CheckCircle, AlertCircle } from 'lucide-react';
 import { Badge } from './ui/badge';
-import { useConfig } from '../hooks';
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { useDhcp } from '../hooks/useDhcp';
 import { useDnsmasq } from '../hooks/useDnsmasq';
+import { dhcpConfigApi, type DHCPConfig } from '../services/api/settings';
 import type { DhcpStaticLease } from '../services/api/networking';
 
 export function DhcpComponent() {
-  const { config: globalConfig, updateConfig, isUpdating } = useConfig();
+  const queryClient = useQueryClient();
+  const { data: dhcpConfig } = useQuery({ queryKey: ['dhcp', 'config'], queryFn: () => dhcpConfigApi.get() });
+  const dhcpMutation = useMutation({
+    mutationFn: (data: Partial<DHCPConfig>) => dhcpConfigApi.update(data),
+    onSuccess: () => queryClient.invalidateQueries({ queryKey: ['dhcp', 'config'] }),
+  });
+  const isUpdating = dhcpMutation.isPending;
   const { leases, isLoadingLeases, refetchLeases, addStatic, isAddingStatic, deleteStatic } = useDhcp();
   const { generateConfig: generateDnsConfig } = useDnsmasq();
 
@@ -36,33 +43,23 @@ export function DhcpComponent() {
 
   const handleDhcpConfigEdit = () => {
     setDhcpConfigForm({
-      enabled: globalConfig?.cloud?.dnsmasq?.dhcp?.enabled ?? false,
+      enabled: dhcpConfig?.enabled ?? false,
-      rangeStart: globalConfig?.cloud?.dnsmasq?.dhcp?.rangeStart ?? '',
+      rangeStart: dhcpConfig?.rangeStart ?? '',
-      rangeEnd: globalConfig?.cloud?.dnsmasq?.dhcp?.rangeEnd ?? '',
+      rangeEnd: dhcpConfig?.rangeEnd ?? '',
-      leaseTime: globalConfig?.cloud?.dnsmasq?.dhcp?.leaseTime ?? '24h',
+      leaseTime: dhcpConfig?.leaseTime ?? '24h',
-      gateway: globalConfig?.cloud?.dnsmasq?.dhcp?.gateway ?? '',
+      gateway: dhcpConfig?.gateway ?? '',
     });
     setEditingDhcpConfig(true);
   };
 
   const handleDhcpConfigSave = async () => {
-    if (!globalConfig) return;
     try {
-      await updateConfig({
+      await dhcpMutation.mutateAsync({
-        ...globalConfig,
+        enabled: dhcpConfigForm.enabled,
-        cloud: {
+        rangeStart: dhcpConfigForm.rangeStart,
-          ...globalConfig.cloud,
+        rangeEnd: dhcpConfigForm.rangeEnd,
-          dnsmasq: {
+        leaseTime: dhcpConfigForm.leaseTime,
-            ...globalConfig.cloud?.dnsmasq,
+        gateway: dhcpConfigForm.gateway || undefined,
-            dhcp: {
-              enabled: dhcpConfigForm.enabled,
-              rangeStart: dhcpConfigForm.rangeStart,
-              rangeEnd: dhcpConfigForm.rangeEnd,
-              leaseTime: dhcpConfigForm.leaseTime,
-              gateway: dhcpConfigForm.gateway || undefined,
-            },
-          },
-        },
       });
       setEditingDhcpConfig(false);
       if (dhcpConfigForm.enabled) {
@@ -104,9 +101,9 @@ export function DhcpComponent() {
           <div className="flex items-center justify-between">
             <CardTitle>Configuration</CardTitle>
             <div className="flex items-center gap-2">
-              <Badge variant={globalConfig?.cloud?.dnsmasq?.dhcp?.enabled ? 'success' : 'secondary'} className="gap-1">
+              <Badge variant={dhcpConfig?.enabled ? 'success' : 'secondary'} className="gap-1">
-                {globalConfig?.cloud?.dnsmasq?.dhcp?.enabled && <CheckCircle className="h-3 w-3" />}
+                {dhcpConfig?.enabled && <CheckCircle className="h-3 w-3" />}
-                {globalConfig?.cloud?.dnsmasq?.dhcp?.enabled ? 'Enabled' : 'Disabled'}
+                {dhcpConfig?.enabled ? 'Enabled' : 'Disabled'}
               </Badge>
               {!editingDhcpConfig && (
                 <Button variant="outline" size="sm" onClick={handleDhcpConfigEdit} className="gap-1 h-7 text-xs">
@@ -189,24 +186,24 @@ export function DhcpComponent() {
             </div>
           ) : (
             <div className="space-y-2 text-sm">
-              {globalConfig?.cloud?.dnsmasq?.dhcp?.enabled ? (
+              {dhcpConfig?.enabled ? (
                 <>
                   <div className="flex items-center gap-4">
                     <div>
                       <span className="text-muted-foreground">Range: </span>
                       <span className="font-mono">
-                        {globalConfig.cloud.dnsmasq.dhcp.rangeStart} – {globalConfig.cloud.dnsmasq.dhcp.rangeEnd}
+                        {dhcpConfig!.rangeStart} – {dhcpConfig!.rangeEnd}
                       </span>
                     </div>
                     <div>
                       <span className="text-muted-foreground">Lease: </span>
-                      <span className="font-mono">{globalConfig.cloud.dnsmasq.dhcp.leaseTime || '24h'}</span>
+                      <span className="font-mono">{dhcpConfig!.leaseTime || '24h'}</span>
                     </div>
                   </div>
-                  {globalConfig.cloud.dnsmasq.dhcp.gateway && (
+                  {dhcpConfig!.gateway && (
                     <div>
                       <span className="text-muted-foreground">Gateway: </span>
-                      <span className="font-mono">{globalConfig.cloud.dnsmasq.dhcp.gateway}</span>
+                      <span className="font-mono">{dhcpConfig!.gateway}</span>
                     </div>
                   )}
                 </>

web/src/components/FirewallComponent.tsx

@@ -7,9 +7,10 @@ import { Alert, AlertDescription } from './ui/alert';
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from './ui/select';
 import { Shield, Loader2, AlertCircle, CheckCircle, Check, X, Plus, Trash2, BookOpen, ChevronDown, ChevronUp, Lock } from 'lucide-react';
 import { Badge } from './ui/badge';
-import { useConfig } from '../hooks';
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { useNftables } from '../hooks/useNftables';
 import { useVpn } from '../hooks/useVpn';
+import { nftablesConfigApi, haproxyRoutesApi } from '../services/api/settings';
 
 type ExtraPort = { port: number; protocol?: string; label?: string };
 
@@ -38,15 +39,20 @@ interface PortEntry {
 }
 
 export function FirewallComponent() {
-  const { config: globalConfig, updateConfig } = useConfig();
+  const queryClient = useQueryClient();
+  const { data: nftCfg } = useQuery({ queryKey: ['nftables', 'config'], queryFn: () => nftablesConfigApi.get() });
+  const { data: haproxyRoutes } = useQuery({ queryKey: ['haproxy', 'routes'], queryFn: () => haproxyRoutesApi.get() });
+  const nftMutation = useMutation({
+    mutationFn: (data: Parameters<typeof nftablesConfigApi.update>[0]) => nftablesConfigApi.update(data),
+    onSuccess: () => queryClient.invalidateQueries({ queryKey: ['nftables', 'config'] }),
+  });
   const { status: nftablesStatus, isLoadingStatus: isNftablesLoading, interfaces, refetchStatus } = useNftables();
   const { config: vpnConfig } = useVpn();
 
-  const nftCfg = globalConfig?.cloud?.nftables;
   const isEnabled = nftCfg?.enabled !== false;
   const currentWan = nftCfg?.wanInterface ?? '';
   const currentExtraPorts: ExtraPort[] = nftCfg?.extraPorts ?? [];
-  const customRoutes = globalConfig?.cloud?.haproxy?.customRoutes ?? [];
+  const customRoutes = haproxyRoutes?.customRoutes ?? [];
 
   const [editingWan, setEditingWan] = useState(false);
   const [wanValue, setWanValue] = useState('');
@@ -121,15 +127,8 @@ export function FirewallComponent() {
   const tcpPorts = allPorts.filter(p => p.protocol === 'tcp');
   const udpPorts = allPorts.filter(p => p.protocol === 'udp');
 
-  async function saveNftConfig(patch: NonNullable<NonNullable<typeof globalConfig>['cloud']>['nftables']) {
+  async function saveNftConfig(patch: Partial<NonNullable<typeof nftCfg>>) {
-    if (!globalConfig) return;
+    await nftMutation.mutateAsync(patch);
-    await updateConfig({
-      ...globalConfig,
-      cloud: {
-        ...globalConfig.cloud,
-        nftables: { ...nftCfg, ...patch },
-      },
-    });
     refetchStatus();
   }
 

web/src/hooks/index.ts

@@ -1,7 +1,6 @@
 export { useMessages } from './useMessages';
 export { useStatus } from './useStatus';
 export { useHealth } from './useHealth';
-export { useConfig } from './useConfig';
 export { useDnsmasq } from './useDnsmasq';
 export { useCentralStatus } from './useCentralStatus';
 export { useCloudflare } from './useCloudflare';

web/src/hooks/useConfig.ts

@@ -1,61 +0,0 @@
-import { useState, useEffect } from 'react';
-import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
-import { apiService } from '../services/api-legacy';
-import type { CentralState, CentralStateResponse } from '../types';
-
-interface CreateConfigResponse {
-  status: string;
-}
-
-/**
- * Hook for managing Wild Central runtime state
- * Endpoint: /api/v1/state
- * File: {dataDir}/state.yaml
- */
-export const useConfig = () => {
-  const queryClient = useQueryClient();
-  const [showConfigSetup, setShowConfigSetup] = useState(false);
-
-  const stateQuery = useQuery<CentralStateResponse>({
-    queryKey: ['state'],
-    queryFn: () => apiService.getConfig(),
-  });
-
-  // Update showConfigSetup based on query data
-  useEffect(() => {
-    if (stateQuery.data) {
-      setShowConfigSetup(stateQuery.data.configured === false);
-    }
-  }, [stateQuery.data]);
-
-  const createStateMutation = useMutation<CreateConfigResponse, Error, CentralState>({
-    mutationFn: (state) => apiService.createConfig(state),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['state'] });
-      setShowConfigSetup(false);
-    },
-  });
-
-  const updateStateMutation = useMutation<CreateConfigResponse, Error, CentralState>({
-    mutationFn: (state) => apiService.updateConfig(state),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['state'] });
-      // Immediately re-check daemon status so the pending-restart banner appears
-      queryClient.invalidateQueries({ queryKey: ['central', 'status'] });
-    },
-  });
-
-  return {
-    config: stateQuery.data?.state || null,
-    isConfigured: stateQuery.data?.configured || false,
-    showConfigSetup,
-    setShowConfigSetup,
-    isLoading: stateQuery.isLoading,
-    isCreating: createStateMutation.isPending,
-    isUpdating: updateStateMutation.isPending,
-    error: stateQuery.error || createStateMutation.error || updateStateMutation.error,
-    createConfig: createStateMutation.mutate,
-    updateConfig: updateStateMutation.mutateAsync,
-    refetch: stateQuery.refetch,
-  };
-};

web/src/services/api-legacy.ts

@@ -1,7 +1,5 @@
 import type {
   Status,
-  CentralState,
-  CentralStateResponse,
   HealthResponse,
   StatusResponse,
   NetworkInfo,
@@ -30,16 +28,6 @@ class ApiService {
     return response.json();
   }
 
-  private async requestText(endpoint: string, options?: RequestInit): Promise<string> {
-    const url = `${this.baseUrl}${endpoint}`;
-    const response = await fetch(url, options);
-    
-    if (!response.ok) {
-      throw new Error(`HTTP error! status: ${response.status}`);
-    }
-    
-    return response.text();
-  }
 
   async getStatus(): Promise<Status> {
     return this.request<Status>('/api/status');
@@ -49,43 +37,6 @@ class ApiService {
     return this.request<HealthResponse>('/api/v1/health');
   }
 
-  // ========================================
-  // Global Config APIs (Wild Central level)
-  // Endpoint: /api/v1/state
-  // ========================================
-
-  async getConfig(): Promise<CentralStateResponse> {
-    return this.request<CentralStateResponse>('/api/v1/state');
-  }
-
-  async getConfigYaml(): Promise<string> {
-    return this.requestText('/api/v1/state/yaml');
-  }
-
-  async updateConfigYaml(yamlContent: string): Promise<StatusResponse> {
-    return this.request<StatusResponse>('/api/v1/state/yaml', {
-      method: 'PUT',
-      headers: { 'Content-Type': 'text/plain' },
-      body: yamlContent
-    });
-  }
-
-  async createConfig(config: CentralState): Promise<StatusResponse> {
-    return this.request<StatusResponse>('/api/v1/state', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify(config)
-    });
-  }
-
-  async updateConfig(config: CentralState): Promise<StatusResponse> {
-    return this.request<StatusResponse>('/api/v1/state', {
-      method: 'PUT',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify(config)
-    });
-  }
-
   async getDnsmasqStatus(): Promise<DnsmasqStatus> {
     return this.request<DnsmasqStatus>('/api/v1/dnsmasq/status');
   }

web/src/services/api/index.ts

@@ -9,3 +9,5 @@ export { certApi } from './cert';
 export type { CertStatusResponse, CertInfo } from './cert';
 export { cloudflareApi } from './cloudflare';
 export type { CloudflareVerifyResponse, CloudflareZone } from './cloudflare';
+export { operatorApi, centralDomainApi, dnsSettingsApi, ddnsConfigApi, dhcpConfigApi, nftablesConfigApi, haproxyRoutesApi } from './settings';
+export type { OperatorSettings, CentralDomainSettings, DNSSettings, DDNSConfig, DHCPConfig, NftablesConfig, HAProxyCustomRoute, HAProxyRoutes } from './settings';

web/src/services/api/networking.ts

@@ -144,15 +144,15 @@ export interface DhcpStaticLease {
 
 export const dhcpApi = {
   async getLeases(): Promise<{ leases: DhcpLease[] }> {
-    return apiClient.get('/api/v1/dnsmasq/dhcp/leases');
+    return apiClient.get('/api/v1/dhcp/leases');
   },
 
   async addStatic(lease: DhcpStaticLease): Promise<{ message: string }> {
-    return apiClient.post('/api/v1/dnsmasq/dhcp/static', lease);
+    return apiClient.post('/api/v1/dhcp/static', lease);
   },
 
   async deleteStatic(mac: string): Promise<{ message: string }> {
-    return apiClient.delete(`/api/v1/dnsmasq/dhcp/static/${encodeURIComponent(mac)}`);
+    return apiClient.delete(`/api/v1/dhcp/static/${encodeURIComponent(mac)}`);
   },
 };
 

web/src/services/api/settings.ts

@@ -0,0 +1,121 @@
+import { apiClient } from './client';
+
+// Operator
+
+export interface OperatorSettings {
+  email: string;
+}
+
+export const operatorApi = {
+  async get(): Promise<OperatorSettings> {
+    return apiClient.get('/api/v1/operator');
+  },
+  async update(data: Partial<OperatorSettings>): Promise<OperatorSettings> {
+    return apiClient.put('/api/v1/operator', data);
+  },
+};
+
+// Central Domain
+
+export interface CentralDomainSettings {
+  domain: string;
+}
+
+export const centralDomainApi = {
+  async get(): Promise<CentralDomainSettings> {
+    return apiClient.get('/api/v1/central-domain');
+  },
+  async update(data: CentralDomainSettings): Promise<CentralDomainSettings> {
+    return apiClient.put('/api/v1/central-domain', data);
+  },
+};
+
+// DNS Settings
+
+export interface DNSSettings {
+  ip: string;
+  interface: string;
+}
+
+export const dnsSettingsApi = {
+  async get(): Promise<DNSSettings> {
+    return apiClient.get('/api/v1/dns/settings');
+  },
+  async update(data: Partial<DNSSettings>): Promise<DNSSettings> {
+    return apiClient.put('/api/v1/dns/settings', data);
+  },
+};
+
+// DDNS Config
+
+export interface DDNSConfig {
+  enabled: boolean;
+  provider?: string;
+  intervalMinutes?: number;
+}
+
+export const ddnsConfigApi = {
+  async get(): Promise<DDNSConfig> {
+    return apiClient.get('/api/v1/ddns/config');
+  },
+  async update(data: Partial<DDNSConfig>): Promise<DDNSConfig> {
+    return apiClient.put('/api/v1/ddns/config', data);
+  },
+};
+
+// DHCP Config
+
+export interface DHCPConfig {
+  enabled: boolean;
+  rangeStart?: string;
+  rangeEnd?: string;
+  leaseTime?: string;
+  gateway?: string;
+}
+
+export const dhcpConfigApi = {
+  async get(): Promise<DHCPConfig> {
+    return apiClient.get('/api/v1/dhcp/config');
+  },
+  async update(data: Partial<DHCPConfig>): Promise<DHCPConfig> {
+    return apiClient.put('/api/v1/dhcp/config', data);
+  },
+};
+
+// nftables Config
+
+export interface NftablesConfig {
+  enabled?: boolean;
+  wanInterface?: string;
+  extraPorts?: Array<{ port: number; protocol?: string; label?: string }>;
+}
+
+export const nftablesConfigApi = {
+  async get(): Promise<NftablesConfig> {
+    return apiClient.get('/api/v1/nftables/config');
+  },
+  async update(data: Partial<NftablesConfig>): Promise<NftablesConfig> {
+    return apiClient.put('/api/v1/nftables/config', data);
+  },
+};
+
+// HAProxy Custom Routes
+
+export interface HAProxyCustomRoute {
+  name: string;
+  port: number;
+  backend: string;
+}
+
+export interface HAProxyRoutes {
+  customRoutes: HAProxyCustomRoute[];
+}
+
+export const haproxyRoutesApi = {
+  async get(): Promise<HAProxyRoutes> {
+    return apiClient.get('/api/v1/haproxy/routes');
+  },
+  async update(data: HAProxyRoutes): Promise<HAProxyRoutes> {
+    return apiClient.put('/api/v1/haproxy/routes', data);
+  },
+};