feat(sub): add dummy info node and status configs for subscriptions (#6412)

* feat(settings): add subInfoNodeEnable and status template settings

* feat(sub): add dummy info node and status configs for raw links

* feat(sub): support dummy info node in clash and json subscriptions

* feat(ui): add subscription info node switch and status templates to settings

* style: apply gofumpt formatting

* fix(sub): address review feedback on subscription info node

- Restore GetSubs contract to avoid unintended remark expansions on non-subscription-body calls.
- Exclude dummy info node from Clash PROXY select group when active server nodes exist.
- Track hasEnabledClient and set traffic.Enable in JSON and Clash paths so status tokens evaluate correctly.
- Deterministically sort client emails across subscriptions before selecting primaryEmail.
- Consolidate duplicated info-node evaluation logic into resolveInfoNodeRemark helper.
- Remove redundant pure-getter test from setting_sub_info_node_test.go.

Co-Authored-By: Claude Code <noreply@anthropic.com>

---------

Co-authored-by: Claude Code <noreply@anthropic.com>

frontend/src/generated/schemas.ts

@@ -191,6 +191,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subEncrypt": {
         "type": "boolean"
       },
+      "subExpiredTemplate": {
+        "type": "string"
+      },
       "subHideSettings": {
         "type": "boolean"
       },
@@ -200,6 +203,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subIncyRoutingRules": {
         "type": "string"
       },
+      "subInfoNodeEnable": {
+        "type": "boolean"
+      },
       "subJsonAlwaysArray": {
         "type": "boolean"
       },
@@ -262,6 +268,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subTitle": {
         "type": "string"
       },
+      "subTrafficDepletedTemplate": {
+        "type": "string"
+      },
       "subURI": {
         "type": "string"
       },
@@ -407,9 +416,11 @@ export const SCHEMAS: Record<string, unknown> = {
       "subEnable",
       "subEnableRouting",
       "subEncrypt",
+      "subExpiredTemplate",
       "subHideSettings",
       "subIncyEnableRouting",
       "subIncyRoutingRules",
+      "subInfoNodeEnable",
       "subJsonAlwaysArray",
       "subJsonAutoDetect",
       "subJsonEnable",
@@ -430,6 +441,7 @@ export const SCHEMAS: Record<string, unknown> = {
       "subSupportUrl",
       "subThemeDir",
       "subTitle",
+      "subTrafficDepletedTemplate",
       "subURI",
       "subUpdates",
       "tgBotAPIServer",
@@ -670,6 +682,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subEncrypt": {
         "type": "boolean"
       },
+      "subExpiredTemplate": {
+        "type": "string"
+      },
       "subHideSettings": {
         "type": "boolean"
       },
@@ -679,6 +694,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subIncyRoutingRules": {
         "type": "string"
       },
+      "subInfoNodeEnable": {
+        "type": "boolean"
+      },
       "subJsonAlwaysArray": {
         "type": "boolean"
       },
@@ -741,6 +759,9 @@ export const SCHEMAS: Record<string, unknown> = {
       "subTitle": {
         "type": "string"
       },
+      "subTrafficDepletedTemplate": {
+        "type": "string"
+      },
       "subURI": {
         "type": "string"
       },
@@ -893,9 +914,11 @@ export const SCHEMAS: Record<string, unknown> = {
       "subEnable",
       "subEnableRouting",
       "subEncrypt",
+      "subExpiredTemplate",
       "subHideSettings",
       "subIncyEnableRouting",
       "subIncyRoutingRules",
+      "subInfoNodeEnable",
       "subJsonAlwaysArray",
       "subJsonAutoDetect",
       "subJsonEnable",
@@ -916,6 +939,7 @@ export const SCHEMAS: Record<string, unknown> = {
       "subSupportUrl",
       "subThemeDir",
       "subTitle",
+      "subTrafficDepletedTemplate",
       "subURI",
       "subUpdates",
       "tgBotAPIServer",