fix(bridge): isolate DOM observation scope and strip UI noise (TypeScript declarations, metrics) from Discord pending approval embeds

bot.py

@@ -724,15 +724,55 @@ class GravityBot(commands.Bot):
             desc_parts = []
             if header:
                 desc_parts.append(header)
-            desc_parts.append(f"**명령:** `{request.command[:200]}`")
+
+            # Clean command text (remove "Running2" artifacts → "Running 2")
+            cmd_text = request.command[:200]
+            import re
+            cmd_text = re.sub(r'Running(\d)', r'Running \1', cmd_text)
+            desc_parts.append(f"**명령:** `{cmd_text}`")
+
             if buttons:
                 btn_names = [b.get("text", "?") for b in buttons]
                 desc_parts.append(f"**선택지:** {' / '.join(btn_names)}")
-            if request.description:
-                desc_parts.append(request.description[:500])
+
+            # Clean description: strip noise headers and garbage
+            desc_raw = request.description or ""
+            # Remove old-style headers
+            desc_raw = re.sub(r'\[AI 본문 요약\]\s*', '', desc_raw)
+            desc_raw = re.sub(r'\[결행 명령\]\s*', '', desc_raw)
+            # Remove lines that are clearly noise
+            desc_lines = desc_raw.split('\n')
+            clean_desc_lines = []
+            for dline in desc_lines:
+                dline_stripped = dline.strip()
+                if not dline_stripped:
+                    continue
+                # Skip UI artifacts
+                if dline_stripped in ('chevron_right', 'chevron_left', 'close', 'check',
+                                     'content_copy', 'expand_more', 'expand_less',
+                                     'Show more', 'Show less', 'Copy', 'Edit', 'Copied!'):
+                    continue
+                # Skip "Thought for Xs"
+                if re.match(r'^Thought for \d+', dline_stripped):
+                    continue
+                # Skip TypeScript declarations and file paths
+                if re.match(r'^(declare|import|export)\s+(class|function|interface|type|enum|const)', dline_stripped):
+                    continue
+                if re.search(r'\.ts:\d+:', dline_stripped):
+                    continue
+                if re.search(r'extension.*src.*sdk', dline_stripped, re.IGNORECASE):
+                    continue
+                clean_desc_lines.append(dline_stripped)
+
+            clean_desc = '\n'.join(clean_desc_lines).strip()
+            if clean_desc and len(clean_desc) > 3:
+                # Truncate and wrap in code block for readability
+                if len(clean_desc) > 300:
+                    clean_desc = clean_desc[:300] + '…'
+                desc_parts.append(f"```\n{clean_desc}\n```")
 
             embed = discord.Embed(
-                title="⚠️ 승인 요청",
+                title=f"⚠️ 승인 요청 — {request.step_type or 'action'}",
                 description="\n".join(desc_parts),
                 color=discord.Color.orange(),
                 timestamp=datetime.now(timezone.utc),