fix(extension): restore AI Response Content capture by patching DOM extraction, CSP connect-src, and TS regex literal serialization

scratch_test.js

@@ -0,0 +1,4 @@
+const fs = require('fs');
+const lsPath = "C:\\Users\\Variet-Worker\\.gemini\\antigravity\\sdk\\ls.js";
+// Dummy script to just read allTraj.trajectorySummaries by using the SDK directly?
+// Actually simpler: I can just grep the log if I log it.