feat: add WebChat adapter for pipeline debugging (#1510)

* feat: add WebChat adapter for pipeline debugging

- Create WebChatAdapter for handling debug messages in pipeline testing
- Add HTTP API endpoints for debug message sending and retrieval
- Implement frontend debug dialog with session switching (private/group chat)
- Add Chinese i18n translations for debug interface
- Auto-create default WebChat bot during database initialization
- Support fixed session IDs: webchatperson and webchatgroup for testing

Co-Authored-By: Junyan Qin <Chin>, 秦骏言 in Chinese, you can call me my english name Rock Chin. <rockchinq@gmail.com>

* perf: ui for webchat

* feat: complete webchat backend

* feat: core chat apis

* perf: button style in pipeline card

* perf: log btn in bot card

* perf: webchat entities definition

* fix: bugs

* perf: web chat

* perf: dialog styles

* perf: styles

* perf: styles

* fix: group invalid in webchat

* perf: simulate real im message

* perf: group timeout toast

* feat(webchat): add supports for mentioning bot in group

* perf(webchat): at component styles

* perf: at badge display in message

* fix: linter errors

* fix: webchat was listed on adapter list

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Junyan Qin <Chin>, 秦骏言 in Chinese, you can call me my english name Rock Chin. <rockchinq@gmail.com>

pkg/persistence/mgr.py

@@ -66,13 +66,15 @@ class PersistenceManager:
 
         # write default pipeline
         result = await self.execute_async(sqlalchemy.select(pipeline.LegacyPipeline))
+        default_pipeline_uuid = None
         if result.first() is None:
             self.ap.logger.info('Creating default pipeline...')
 
             pipeline_config = json.load(open('templates/default-pipeline-config.json', 'r', encoding='utf-8'))
 
+            default_pipeline_uuid = str(uuid.uuid4())
             pipeline_data = {
-                'uuid': str(uuid.uuid4()),
+                'uuid': default_pipeline_uuid,
                 'for_version': self.ap.ver_mgr.get_current_version(),
                 'stages': pipeline_service.default_stage_order,
                 'is_default': True,
@@ -82,6 +84,7 @@ class PersistenceManager:
             }
 
             await self.execute_async(sqlalchemy.insert(pipeline.LegacyPipeline).values(pipeline_data))
+
         # =================================
 
         # run migrations