Improve failover controls and preserve manual switching state

.tmp-tests/harbor-route-TN4fdZ/network.json

@@ -0,0 +1 @@
+{"gateway":"192.168.50.111","interface":"en0","mac":"","observedAt":"2026-08-28T08:14:27.401Z"}

.tmp-tests/harbor-startup-recovery-FQjZCa/bin/sing-box

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+const fs = require('node:fs');
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.13.18');
+  process.exit(0);
+}
+if (process.argv[2] === 'run') {
+  fs.appendFileSync(process.env.HARBOR_TEST_RUN_MARKER, 'run\n');
+  setInterval(() => {}, 60_000);
+}

.tmp-tests/harbor-startup-recovery-FQjZCa/state.json

@@ -0,0 +1 @@
+{"schemaVersion":6,"revision":4,"profiles":[{"id":"profile-a","label":"Основной","subscriptionUrl":"https://provider.example/0123456789abcdef0123456789abcdef","subscriptionConfig":{"outbounds":[{"type":"vless","tag":"srv_56f1cee6a72c8e7c","server":"boot.example","server_port":443,"uuid":"00000000-0000-4000-8000-000000000000"}]},"servers":[{"id":"srv_56f1cee6a72c8e7c","label":"Boot VPN","host":"boot.example","port":443,"protocol":"vless","tag":"Boot VPN","server":"boot.example","server_port":443,"type":"vless"}],"userInfo":{},"fetchedAt":null,"desiredServerId":"srv_56f1cee6a72c8e7c","lastRefreshAttemptAt":null,"lastRefreshErrorCode":null}],"desiredProfileId":"profile-a","appliedProfileId":"profile-a","appliedServerId":"srv_56f1cee6a72c8e7c","appliedServerSnapshot":{"id":"srv_56f1cee6a72c8e7c","label":"Boot VPN","host":"boot.example","port":443,"protocol":"vless","tag":"Boot VPN","server":"boot.example","server_port":443,"type":"vless"},"routeRules":[{"type":"domain","value":"api.example.com","enabled":true,"outbound":"vpn"},{"type":"domain_suffix","value":"example.com","enabled":true,"outbound":"direct"}],"appliedRouteRules":[],"routeRulesRevision":0,"connectionDesired":"running"}

.tmp-tests/harbor-startup-recovery-IRHjjF/bin/sing-box

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+const fs = require('node:fs');
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.13.18');
+  process.exit(0);
+}
+if (process.argv[2] === 'run') {
+  fs.appendFileSync(process.env.HARBOR_TEST_RUN_MARKER, 'run\n');
+  setInterval(() => {}, 60_000);
+}

.tmp-tests/harbor-startup-recovery-IRHjjF/sing-box-config.json

@@ -0,0 +1 @@
+{"outbounds":[{"type":"vless","tag":"server-a","server":"a.example","server_port":443},{"type":"direct","tag":"direct"}],"route":{"final":"direct"}}

.tmp-tests/harbor-startup-recovery-IRHjjF/state.json

@@ -0,0 +1 @@
+{"schemaVersion":6,"revision":4,"profiles":[{"id":"profile-a","label":"Основной","subscriptionUrl":"https://provider.example/subscription-a","subscriptionConfig":null,"servers":[{"id":"server-a","label":"Server A","host":"a.example","port":443,"protocol":"vless"}],"userInfo":{},"fetchedAt":null,"desiredServerId":"server-a","lastRefreshAttemptAt":null,"lastRefreshErrorCode":null}],"desiredProfileId":"profile-a","appliedProfileId":"profile-a","appliedServerId":"server-a","appliedServerSnapshot":{"id":"server-a","label":"Server A","host":"a.example","port":443,"protocol":"vless"},"routeRules":[],"appliedRouteRules":[],"routeRulesRevision":0,"connectionDesired":"running"}

.tmp-tests/harbor-startup-recovery-KP1brk/bin/sing-box

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+const fs = require('node:fs');
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.13.18');
+  process.exit(0);
+}
+if (process.argv[2] === 'run') {
+  fs.appendFileSync(process.env.HARBOR_TEST_RUN_MARKER, 'run\n');
+  setInterval(() => {}, 60_000);
+}

.tmp-tests/harbor-startup-recovery-KP1brk/sing-box-config.json

@@ -0,0 +1 @@
+{"outbounds":[{"type":"vless","tag":"server-b","server":"b.example","server_port":8443},{"type":"direct","tag":"direct"}],"route":{"final":"server-b"}}

.tmp-tests/harbor-startup-recovery-KP1brk/state.json

@@ -0,0 +1 @@
+{"schemaVersion":6,"revision":4,"profiles":[{"id":"profile-a","label":"Основной","subscriptionUrl":"https://provider.example/subscription-a","subscriptionConfig":null,"servers":[{"id":"server-a","label":"Server A","host":"a.example","port":443,"protocol":"vless"}],"userInfo":{},"fetchedAt":null,"desiredServerId":"server-a","lastRefreshAttemptAt":null,"lastRefreshErrorCode":null}],"desiredProfileId":"profile-a","appliedProfileId":"profile-a","appliedServerId":"server-a","appliedServerSnapshot":{"id":"server-a","label":"Server A","host":"a.example","port":443,"protocol":"vless"},"routeRules":[],"appliedRouteRules":[],"routeRulesRevision":0,"connectionDesired":"running"}

.tmp-tests/harbor-startup-recovery-ZiMrHv/bin/sing-box

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+const fs = require('node:fs');
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.13.18');
+  process.exit(0);
+}
+if (process.argv[2] === 'run') {
+  fs.appendFileSync(process.env.HARBOR_TEST_RUN_MARKER, 'run\n');
+  setInterval(() => {}, 60_000);
+}

.tmp-tests/harbor-startup-recovery-ZiMrHv/sing-box-config.json

@@ -0,0 +1 @@
+{"outbounds":[{"type":"vless","tag":"stale-server","server":"stale.example","server_port":443},{"type":"direct","tag":"direct"}],"route":{"final":"stale-server"}}

.tmp-tests/harbor-startup-recovery-ZiMrHv/state.json

@@ -0,0 +1 @@
+{"schemaVersion":4,"revision":2,"connectionDesired":"running"}

.tmp-tests/harbor-startup-recovery-ZiMrHv/subscription-cache.json

@@ -0,0 +1 @@
+{broken

.tmp-tests/harbor-startup-recovery-xqwmBz/bin/sing-box

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+const fs = require('node:fs');
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.13.18');
+  process.exit(0);
+}
+if (process.argv[2] === 'run') {
+  fs.appendFileSync(process.env.HARBOR_TEST_RUN_MARKER, 'run\n');
+  setInterval(() => {}, 60_000);
+}

.tmp-tests/harbor-startup-recovery-xqwmBz/sing-box-config.json

@@ -0,0 +1 @@
+{"outbounds":[{"type":"vless","tag":"server-a","server":"state.example","server_port":443},{"type":"direct","tag":"direct"}],"route":{"final":"server-a"}}

.tmp-tests/harbor-startup-recovery-xqwmBz/state.json

@@ -0,0 +1 @@
+{"schemaVersion":4,"revision":2,"subscriptionUrl":"https://state.example/subscription-a","servers":[{"id":"server-a","label":"State server","host":"state.example","port":443,"protocol":"vless"}],"selectedServerId":"server-a","appliedServerId":"server-a","connectionDesired":"running"}

.tmp-tests/harbor-startup-recovery-xqwmBz/subscription-cache.json

@@ -0,0 +1 @@
+{"url":"https://cache.example/subscription-b","config":{"outbounds":[{"id":"server-b","label":"Cache server","host":"cache.example","port":8443,"protocol":"vless","type":"vless","tag":"Cache server","server":"cache.example","server_port":8443}]},"servers":[{"id":"server-b","label":"Cache server","host":"cache.example","port":8443,"protocol":"vless","type":"vless","tag":"Cache server","server":"cache.example","server_port":8443}]}

.tmp-tests/harbor-state-contract-mDfxUH/bin/sing-box

@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+if (process.argv[2] === 'check') process.exit(0);
+if (process.argv[2] === 'version') {
+  console.log('sing-box version 1.12.13');
+  process.exit(0);
+}
+process.on('SIGTERM', () => process.exit(0));
+setInterval(() => {}, 60_000);