From d6ed8764b87dca658742ae78fea1973917290846 Mon Sep 17 00:00:00 2001
From: Variet Worker <worker@variet.net>
Date: Mon, 13 Apr 2026 12:22:02 +0900
Subject: [PATCH] =?UTF-8?q?fix(html-patcher):=20escape=20$=20in=20inline?=
 =?UTF-8?q?=20script=20replacement=20to=20prevent=20String.replace()=20spe?=
 =?UTF-8?q?cial=20pattern=20corruption=20=E2=80=94=20root=20cause=20of=20o?=
 =?UTF-8?q?bserver=20SyntaxError=20#task-619?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 extension/package.json        | 2 +-
 extension/src/html-patcher.ts | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/extension/package.json b/extension/package.json
index ea60906..a34e8c9 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -2,7 +2,7 @@
   "name": "gravity-bridge",
   "displayName": "Gravity Bridge",
   "description": "Discord-based unified approval system for Antigravity AI interactions.",
-  "version": "0.5.37",
+  "version": "0.5.38",
   "publisher": "variet",
   "engines": {
     "vscode": "^1.100.0"
diff --git a/extension/src/html-patcher.ts b/extension/src/html-patcher.ts
index e749078..a32413f 100644
--- a/extension/src/html-patcher.ts
+++ b/extension/src/html-patcher.ts
@@ -293,14 +293,17 @@ function _patchHtmlFiles(scriptDir: string, combinedScript: string, logToFile: (
                 logToFile(`[OBSERVER] ${spec.name} removed old inline script block`);
             }
             // Insert BEFORE </body> (not </html>) to ensure Electron executes it
+            // CRITICAL: Escape $ in inlineBlock to prevent String.replace() special patterns
+            // ($' = text after match, $& = matched text, etc.) which corrupt the JS code.
+            const safeInlineBlock = inlineBlock.replace(/\$/g, '$$$$');
             if (html.includes('</body>')) {
                 html = html.replace('</body>',
-                    `\n${inlineBlock}\n</body>`);
+                    `\n${safeInlineBlock}\n</body>`);
                 logToFile(`[OBSERVER] ${spec.name} inline script INSERTED before </body>`);
             } else {
                 // Fallback: insert before </html>
                 html = html.replace('</html>',
-                    `\n${inlineBlock}\n</html>`);
+                    `\n${safeInlineBlock}\n</html>`);
                 logToFile(`[OBSERVER] ${spec.name} inline script INSERTED before </html> (fallback)`);
             }
             // SAFETY: Final validation before write