Fix DOM observer regex/container bugs and add continuous AI Chat Body scraper via HTTP Bridge

extension/src/http-bridge.ts

@@ -23,6 +23,7 @@ export interface HttpBridgeContext {
     sessionStalled: boolean;
     lastPendingStepIndex: number;
     logToFile: (msg: string) => void;
+    writeChatSnapshot?: (text: string) => void;
 }
 
 // ─── Module-level state ───
@@ -106,6 +107,12 @@ export function startHttpBridge(ctx: HttpBridgeContext, sdk: any): Promise<numbe
                     return;
                 }
 
+                // POST /chat — renderer posts chat snapshots directly
+                if (req.method === 'POST' && url.pathname === '/chat') {
+                    _handleChatSnapshot(req, res, ctx);
+                    return;
+                }
+
                 // POST /deep-inspect-result — renderer posts inspection results here
                 if (req.method === 'POST' && url.pathname === '/deep-inspect-result') {
                     _handleDeepInspectResult(req, res, ctx);
@@ -381,10 +388,8 @@ function _handleDeepInspectResult(req: any, res: any, ctx: HttpBridgeContext) {
             const data = JSON.parse(body);
             deepInspectResult = data;
             ctx.logToFile(`[HTTP] deep-inspect result received (${body.length} bytes)`);
-            // Write to file for reference
             const inspectFile = path.join(ctx.bridgePath, 'deep-inspect-result.json');
             fs.writeFileSync(inspectFile, JSON.stringify(data, null, 2));
-            // Notify waiters
             const waiters = [...deepInspectWaiters];
             deepInspectWaiters = [];
             waiters.forEach(w => w(data));
@@ -396,3 +401,22 @@ function _handleDeepInspectResult(req: any, res: any, ctx: HttpBridgeContext) {
         }
     });
 }
+
+function _handleChatSnapshot(req: any, res: any, ctx: HttpBridgeContext) {
+    let body = '';
+    req.on('data', (c: string) => body += c);
+    req.on('end', () => {
+        try {
+            const data = JSON.parse(body);
+            if (data.text && typeof ctx.writeChatSnapshot === 'function') {
+                ctx.writeChatSnapshot(`💬 **[DOM 추출] AI 응답**\n\n${data.text}`);
+                ctx.logToFile(`[HTTP] chat snapshot written (${data.text.length} chars)`);
+            }
+            res.writeHead(200, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({ ok: true }));
+        } catch (e: any) {
+            ctx.logToFile(`[HTTP] chat parse error: ${e.message}`);
+            res.writeHead(400); res.end(JSON.stringify({ error: e.message }));
+        }
+    });
+}