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feat(chat): render tool-call chips and live peek status in mobile bubbles

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The mobile app was receiving SSE status events but showing the peek text
only while the assistant bubble was empty — as soon as the first token
arrived, the status line was replaced by streaming content and any tool
calls fired mid-turn left no trace. Tool call SSE events were also being
dropped by the parser, and Message.fromJson never read the persisted
tool_calls array, so chips never rendered after reload either.

Parse tool_call SSE frames into a new ChatToolCall event, carry tool
calls on Message, and update the chat and briefing streaming loops to
append chips to the in-flight assistant message as they arrive. Rework
ChatMessageBubble to show a chip row + rolling peek status line above
any streamed text, matching the web ToolCallCard/status indicator
behaviour across chat, briefing, and briefing history surfaces.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
bvandeusen
2026-04-13 17:48:16 -04:00
parent 6771ec5e81
commit a3fe0b4b61
7 changed files with 297 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/providers/briefing_provider.dart
+28 -12
View File
@@ -81,16 +81,24 @@ class BriefingNotifier extends AsyncNotifier<BriefingConversation> {
bool streamedContent = false;
try {
await for (final event in chatApi.streamGeneration(convId)) {
if (event is! ChatTextChunk) continue;
streamedContent = true;
final current = state.value;
if (current == null) break;
final msgs = current.messages;
if (msgs.isEmpty) continue;
final updated =
msgs.last.copyWith(content: msgs.last.content + event.text);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
if (event is ChatTextChunk) {
streamedContent = true;
final updated =
msgs.last.copyWith(content: msgs.last.content + event.text);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
} else if (event is ChatToolCall) {
final last = msgs.last;
if (last.role != MessageRole.assistant) continue;
final nextCalls = [...?last.toolCalls, event.toolCall];
final updated = last.copyWith(toolCalls: nextCalls);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
}
}
} catch (_) {
// Fall through to polling.
@@ -169,16 +177,24 @@ class BriefingNotifier extends AsyncNotifier<BriefingConversation> {
bool streamedContent = false;
try {
await for (final event in chatApi.streamGeneration(convId)) {
if (event is! ChatTextChunk) continue;
streamedContent = true;
final current = state.value;
if (current == null) break;
final msgs = current.messages;
if (msgs.isEmpty) continue;
final updated =
msgs.last.copyWith(content: msgs.last.content + event.text);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
if (event is ChatTextChunk) {
streamedContent = true;
final updated =
msgs.last.copyWith(content: msgs.last.content + event.text);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
} else if (event is ChatToolCall) {
final last = msgs.last;
if (last.role != MessageRole.assistant) continue;
final nextCalls = [...?last.toolCalls, event.toolCall];
final updated = last.copyWith(toolCalls: nextCalls);
state = AsyncData(current.copyWith(
messages: [...msgs.sublist(0, msgs.length - 1), updated]));
}
}
} catch (_) {
// Fall through to polling.
lib/providers/chat_provider.dart
+12
View File
@@ -143,6 +143,18 @@ class MessagesNotifier extends AsyncNotifier<List<Message>> {
} else if (event is ChatStatusUpdate) {
ref.read(streamingStatusProvider(convId).notifier).state =
event.status;
} else if (event is ChatToolCall) {
// Append the tool call to the in-flight assistant message so the
// chip appears live. The reload pass at the end of this function
// will overwrite with the persisted version, which carries the
// same shape — no de-dup needed.
final msgs = state.requireValue;
if (msgs.isEmpty) continue;
final last = msgs.last;
if (last.role != MessageRole.assistant) continue;
final nextCalls = [...?last.toolCalls, event.toolCall];
final updated = last.copyWith(toolCalls: nextCalls);
state = AsyncData([...msgs.sublist(0, msgs.length - 1), updated]);
}
}
} catch (_) {