Add JSON schema support

adapter/certificate/registry.go

@@ -2,6 +2,8 @@ package certificate
 
 import (
 	"context"
+	"maps"
+	"slices"
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -44,6 +46,12 @@ func NewRegistry() *Registry {
 	}
 }
 
+func (m *Registry) OptionTypes() []string {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return slices.Sorted(maps.Keys(m.optionsType))
+}
+
 func (m *Registry) CreateOptions(providerType string) (any, bool) {
 	m.access.Lock()
 	defer m.access.Unlock()

adapter/endpoint/registry.go

@@ -2,6 +2,8 @@ package endpoint
 
 import (
 	"context"
+	"maps"
+	"slices"
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -44,6 +46,12 @@ func NewRegistry() *Registry {
 	}
 }
 
+func (m *Registry) OptionTypes() []string {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return slices.Sorted(maps.Keys(m.optionsType))
+}
+
 func (m *Registry) CreateOptions(outboundType string) (any, bool) {
 	m.access.Lock()
 	defer m.access.Unlock()

adapter/inbound/registry.go

@@ -2,6 +2,8 @@ package inbound
 
 import (
 	"context"
+	"maps"
+	"slices"
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -44,6 +46,12 @@ func NewRegistry() *Registry {
 	}
 }
 
+func (m *Registry) OptionTypes() []string {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return slices.Sorted(maps.Keys(m.optionsType))
+}
+
 func (m *Registry) CreateOptions(outboundType string) (any, bool) {
 	m.access.Lock()
 	defer m.access.Unlock()

adapter/outbound/registry.go

@@ -2,6 +2,8 @@ package outbound
 
 import (
 	"context"
+	"maps"
+	"slices"
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -44,6 +46,12 @@ func NewRegistry() *Registry {
 	}
 }
 
+func (r *Registry) OptionTypes() []string {
+	r.access.Lock()
+	defer r.access.Unlock()
+	return slices.Sorted(maps.Keys(r.optionsType))
+}
+
 func (r *Registry) CreateOptions(outboundType string) (any, bool) {
 	r.access.Lock()
 	defer r.access.Unlock()

adapter/service/registry.go

@@ -2,6 +2,8 @@ package service
 
 import (
 	"context"
+	"maps"
+	"slices"
 	"sync"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -44,6 +46,12 @@ func NewRegistry() *Registry {
 	}
 }
 
+func (m *Registry) OptionTypes() []string {
+	m.access.Lock()
+	defer m.access.Unlock()
+	return slices.Sorted(maps.Keys(m.optionsType))
+}
+
 func (m *Registry) CreateOptions(outboundType string) (any, bool) {
 	m.access.Lock()
 	defer m.access.Unlock()