fix: LS ConnectRPC use HTTPS when detected, not port heuristic

extension/out/extension.js

@@ -122,6 +122,7 @@ function activate(context) {
     let lsPort = null;
     let lsCsrf = '';
     let lsPid = null;
+    let lsUseTls = false; // track detected protocol
     let lastStepIndex = {}; // cascadeId → last known step index
     async function discoverLS() {
         return new Promise((resolve) => {
@@ -210,8 +211,15 @@ function activate(context) {
                     let data = '';
                     res.on('data', (chunk) => { data += chunk; });
                     res.on('end', () => {
-                        // Any response (even error) means ConnectRPC is here
                         console.log(`Gravity Bridge: [LS] port ${port} (${useTls ? 'https' : 'http'}) status=${res.statusCode} body=${data.substring(0, 200)}`);
+                        // If HTTP got "HTTPS server" response, retry with HTTPS
+                        if (!useTls && data.includes('HTTPS server')) {
+                            tryProto(https, true);
+                            return;
+                        }
+                        if (res.statusCode !== 404) {
+                            lsUseTls = useTls; // remember which protocol worked
+                        }
                         resolve(res.statusCode !== 404);
                     });
                 });
@@ -238,7 +246,7 @@ function activate(context) {
         return new Promise((resolve) => {
             const http = require('http');
             const https = require('https');
-            const proto = lsPort > 40000 ? https : http; // heuristic
+            const proto = lsUseTls ? https : http; // use detected protocol
             const body = JSON.stringify(payload);
             const req = proto.request({
                 hostname: '127.0.0.1',