fix(discord): complete streaming media and event delivery

src/langbot/pkg/agent/runner/context_reset.py

@@ -2,6 +2,8 @@
 
 import hashlib
 import json
+import datetime
+import uuid
 
 import sqlalchemy as sa
 
@@ -14,6 +16,32 @@ def reset_scope(workspace, bot, conversation):
     return 'host-reset:' + hashlib.sha256(json.dumps([workspace, bot, conversation]).encode()).hexdigest()
 
 
+async def reset_runner_context(persistence, workspace, bot, conversation):
+    """Reset scoped Runner state and history visibility within the caller's transaction."""
+    await persistence.execute_async(
+        sa.delete(RunnerState).where(
+            RunnerState.workspace_id == workspace,
+            RunnerState.bot_id == bot,
+            RunnerState.conversation_id == conversation,
+            RunnerState.scope == 'conversation',
+        )
+    )
+    await persistence.execute_async(
+        sa.insert(RunnerState).values(
+            runner_id=HOST_RESET_RUNNER,
+            binding_identity=HOST_RESET_RUNNER,
+            scope='conversation',
+            scope_key=reset_scope(workspace, bot, conversation),
+            state_key='generation',
+            value_json=json.dumps(str(uuid.uuid4())),
+            workspace_id=workspace,
+            bot_id=bot,
+            conversation_id=conversation,
+            created_at=datetime.datetime.utcnow(),
+        )
+    )
+
+
 async def get_reset_generation(engine, workspace, bot, conversation):
     if not all((workspace, bot, conversation)):
         return None

src/langbot/pkg/agent/runner/platform_tools.py

@@ -60,7 +60,7 @@ PLATFORM_TOOL_DEFINITIONS: tuple[PlatformToolDefinition, ...] = (
             'Call this tool to send a message; Agent output text is not sent automatically.',
         },
         _object_schema({'text': {**_TEXT, 'description': 'Reply text'}}, ['text']),
-        ('message.*', 'friend.*', 'group.*', 'feedback.*'),
+        ('message.*', 'friend.*', 'group.*', 'feedback.*', 'interaction.submitted'),
         'reply_target',
     ),
     PlatformToolDefinition(