feat(voice): add Confluence read/write tools for voice sessions

Enable realtime Confluence page editing during Element Call voice sessions.
- Add read_confluence_page and update_confluence_page function tools
- Detect Confluence URLs shared in Matrix rooms, store page ID for voice context
- Section-level updates via heading match + version-incremented PUT

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bot.py

@@ -804,6 +804,20 @@ class Bot:
                 await self._send_text(room.room_id, menu)
                 return
 
+        # Detect Confluence page links → store page ID for voice session context
+        confluence_match = re.search(
+            r'agiliton\.atlassian\.net/wiki/.*?pages/(\d+)', body)
+        if confluence_match:
+            page_id = confluence_match.group(1)
+            docs = self._room_document_context.setdefault(room.room_id, [])
+            docs.append({
+                "type": "confluence",
+                "filename": f"Confluence page {page_id}",
+                "text": f"confluence_page_id:{page_id}",
+                "timestamp": time.time(),
+            })
+            logger.info("Confluence page %s detected in room %s", page_id, room.room_id)
+
         await self.client.room_typing(room.room_id, typing_state=True)
         try:
             await self._respond_with_ai(room, body, sender=sender, image_data=image_data)