feat: handle mid-stream LLM resets and deduplicate UI action stream events

- Backend (LLM Gateway):
  - Record structured 'llm_stream_reset' event with discard action, failure reason, and retry messaging on mid-stream generation errors.
  - Add unit test verifying stream reset event payload on mid-stream errors.

- Frontend (Showcase UI):
  - Handle 'llm_stream_reset' events in agent service and stream aggregator, discarding interrupted chunks while showing retry indicators.
  - Establish a single source of truth for tool and action events in the timeline to eliminate duplicated action rows while retaining ADB and explorer tools.
  - Add @angular/cdk dependency and update agent stream component styling and layout.
  - Add unit tests for stream aggregation and tool display filtering.
This commit is contained in:
somew1nd committed 2026-09-03 14:38:02 -07:00
1 parent d7c64f571d
commit d23a4f6472
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+18 -370
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[cdkConnectedOverlayOrigin]="taskQueueOrigin"
[cdkConnectedOverlayOpen]="isTaskDropdownOpen()"
[cdkConnectedOverlayHasBackdrop]="true"
cdkConnectedOverlayBackdropClass="cdk-overlay-transparent-backdrop"
(backdropClick)="isTaskDropdownOpen.set(false)"
[cdkConnectedOverlayPositions]="dropdownPositions"
>
<div class="vscode-dropdown-menu task-dropdown">
<div class="popover-title-header">
<span class="material-symbols-outlined">list_alt</span>
@@ -173,10 +185,18 @@ limitations under the License.
}
</div>
</div>
}
</ng-template>
<!-- Dropdown Popover Panel for Notes & Plans -->
@if (isNotesDropdownOpen()) {
<ng-template
cdkConnectedOverlay
[cdkConnectedOverlayOrigin]="notesOrigin"
[cdkConnectedOverlayOpen]="isNotesDropdownOpen()"
[cdkConnectedOverlayHasBackdrop]="true"
cdkConnectedOverlayBackdropClass="cdk-overlay-transparent-backdrop"
(backdropClick)="isNotesDropdownOpen.set(false)"
[cdkConnectedOverlayPositions]="dropdownPositions"
>
<div class="vscode-dropdown-menu notes-dropdown">
<div class="popover-title-header">
<span class="material-symbols-outlined">description</span>
@@ -361,7 +381,7 @@ limitations under the License.
</div>
}
</div>
}
</ng-template>
</header>
<!-- Floating Top-Right Badges & Toolbar (Pinned overlay, hidden in empty/initial state) -->
@@ -558,63 +578,110 @@ limitations under the License.
@if (isCheckerBlock(block) && item.type === 'thinking') {
<div
class="thinking-stream-details native-thinking-details"
[class.is-running]="isCheckerSegmentRunning(block, itemIdx)"
[class.is-running]="isCheckerSegmentRunning(block, itemIdx) && !isCheckerSegmentResetNotice(item)"
[class.is-resetting]="isCheckerSegmentResetNotice(item)"
[class.collapsed]="isCheckerSegmentCollapsed(block, itemIdx)">
<div class="details-summary" (click)="toggleCheckerSegment(block, itemIdx)">
<span class="stream-status-dot" [class.streaming]="isCheckerSegmentRunning(block, itemIdx)"></span>
Thought
<span class="stream-status-dot" [class.streaming]="isCheckerSegmentRunning(block, itemIdx) && !isCheckerSegmentResetNotice(item)" [class.resetting]="isCheckerSegmentResetNotice(item)"></span>
<span class="header-label">{{ isCheckerSegmentResetNotice(item) ? getCheckerSegmentResetMessage(item) : 'Thought' }}</span>
</div>
@if (item.data.text && item.data.text.trim()) {
<div class="details-content-wrapper">
<div class="details-content stream-box">
<div class="stream-text" [innerHTML]="renderMarkdown(item.data.text, block.id + '-seg-' + itemIdx)"></div>
</div>
</div>
}
</div>
}
@if (isCheckerBlock(block) && item.type === 'text' && isCheckerTextVisible(item)) {
@if (item.data.isReset) {
<div class="llm-retry-notes">
<div class="llm-retry-note">
<span class="stream-status-dot" [class.streaming]="isCheckerSegmentRunning(block, itemIdx)"></span>
<div class="llm-retry-note-text">
<span class="llm-retry-status-line">{{ formatResetMessage(getCheckerSegmentResetMessage(item), isCheckerSegmentRunning(block, itemIdx)) }}</span>
</div>
</div>
</div>
}
@if (item.data.text && item.data.text.trim()) {
<div
class="step-raw-thinking-message"
[class.is-running]="isCheckerSegmentRunning(block, itemIdx)">
<div class="report-header">
<span class="stream-status-dot" [class.streaming]="isCheckerSegmentRunning(block, itemIdx)"></span>
Work
<span class="header-label">Work</span>
</div>
<div class="report-content stream-box">
<div class="stream-text" [innerHTML]="renderMarkdown(item.data.text, block.id + '-seg-' + itemIdx)"></div>
</div>
</div>
}
}
<!-- Native Thinking (Thought) -->
@if (!isCheckerBlock(block) && item.type === 'thinking') {
@if (getBlockResets(block, true).length > 0) {
<div class="llm-retry-notes">
@for (reset of getBlockResets(block, true); track reset.id || $index) {
<div class="llm-retry-note">
<span class="stream-status-dot" [class.streaming]="reset.isWaiting"></span>
<div class="llm-retry-note-text">
<span class="llm-retry-status-line">{{ formatResetMessage(reset.message, reset.isWaiting) }}</span>
</div>
</div>
}
</div>
}
@if (getStreamDisplayText(block.id + '-native', item.data.text) || (isBlockRunning(block) && !isStreamRewinding(block.id + '-native') && !hasWaitingReset(block, true))) {
<div
class="thinking-stream-details native-thinking-details"
[class.is-running]="isBlockRunning(block)"
[class.collapsed]="collapsedStreams().has(block.data.execution_id || block.data.step_id || block.id)">
<div class="details-summary" (click)="toggleCollapse(block.data.execution_id || block.data.step_id || block.id)">
<span class="stream-status-dot" [class.streaming]="isBlockRunning(block)"></span>
Thought
<span class="header-label">Thought</span>
</div>
@if (getStreamDisplayText(block.id + '-native', item.data.text)) {
<div class="details-content-wrapper">
<div class="details-content stream-box">
<div class="stream-text" [innerHTML]="renderMarkdown(typedTextsSignal()[block.id + '-native'] || item.data.text, block.id + '-native')"></div>
</div>
<div class="stream-text" [innerHTML]="renderMarkdown(getStreamDisplayText(block.id + '-native', item.data.text), block.id + '-native')"></div>
</div>
</div>
}
</div>
}
}
<!-- Raw Thinking / Plan / Message (Work) -->
@if (!isCheckerBlock(block) && item.type === 'text' && getRawThinking(block)) {
@if (!isCheckerBlock(block) && item.type === 'text') {
@if (getBlockResets(block, false).length > 0) {
<div class="llm-retry-notes">
@for (reset of getBlockResets(block, false); track reset.id || $index) {
<div class="llm-retry-note">
<span class="stream-status-dot" [class.streaming]="reset.isWaiting"></span>
<div class="llm-retry-note-text">
<span class="llm-retry-status-line">{{ formatResetMessage(reset.message, reset.isWaiting) }}</span>
</div>
</div>
}
</div>
}
@if (getStreamDisplayText(block.id, item.data.text) || (isBlockRunning(block) && !isStreamRewinding(block.id) && !hasWaitingReset(block, false))) {
<div
class="step-raw-thinking-message"
[class.is-running]="isBlockRunning(block)">
<div class="report-header">
<span class="stream-status-dot" [class.streaming]="isBlockRunning(block)"></span>
Work
<span class="header-label">Work</span>
</div>
@if (getStreamDisplayText(block.id, item.data.text)) {
<div class="report-content stream-box">
<div class="stream-text" [innerHTML]="renderMarkdown(typedTextsSignal()[block.id] || item.data.text, block.id)"></div>
<div class="stream-text" [innerHTML]="renderMarkdown(getStreamDisplayText(block.id, item.data.text), block.id)"></div>
</div>
}
</div>
}
}
<!-- Task Submission / Report Card (when item is report_task_status action or tool) -->
@if (isReportStatusAction(item.data)) {
<div class="step-android-action-card task-report-card"
@@ -689,7 +756,7 @@ limitations under the License.
</div>
}
<!-- Android Action Card (when item is an action) -->
@if (item.type === 'action' && isAndroidAction(item.data)) {
@if (item.type === 'action' && !isReportStatusAction(item.data) && (isAndroidAction(item.data) || item.data?.type === 'action')) {
<div class="step-android-action-card"
[class.is-running]="isItemRunning(item, block)"
[class.is-failed]="isActionFailed(item.data, block.data)"
@@ -974,9 +1041,6 @@ limitations under the License.
<div class="action-card-header" (click)="toggleActionExpanded('tool-' + block.id + '-' + itemIdx, $event)">
<span class="material-symbols-outlined action-icon" [class.is-failed]="isToolFailed(item.data)">{{ getToolIcon(item.data) }}</span>
<span class="action-title">{{ getToolTitle(item.data) }}</span>
@if (getToolAgentName(item.data)) {
<span class="action-agent-badge" [class.is-outputter]="getToolAgentName(item.data) === 'Outputter'">{{ getToolAgentName(item.data) }}</span>
}
@if (isToolFailed(item.data)) {
<span class="action-status-badge is-failed">
<span class="material-symbols-outlined status-icon">error</span>
File diff suppressed because it is too large. Load diff
@@ -22,7 +22,8 @@ import { HttpClient } from '@angular/common/http';
import { AgentService, StartupProgressEvent } from '../../services/agent.service';
import { Session, ModelInfo } from '../../core/models/session.model';
import { MarkdownSegment, MarkdownLine, NoteMilestone, ParsedNote } from '../../core/models/markdown.model';
import { StepBlock, PhaseBlock, StepEvent, ActionParam, CheckerResult } from '../../core/models/stream.model';
import { OverlayModule, ConnectedPosition } from '@angular/cdk/overlay';
import { StepBlock, PhaseBlock, StepEvent, ActionParam, CheckerResult, StreamResetNotice, DEFAULT_STREAM_RESET_MESSAGE } from '../../core/models/stream.model';
export const PLANNING_LOADER_PHRASES: string[] = [
'Planning next step...',
@@ -195,12 +196,12 @@ import {
checkPlanningLoader
} from '../../utils/stream-aggregator.util';
export type { MarkdownSegment, MarkdownLine, NoteMilestone, ParsedNote };
export type { MarkdownSegment, MarkdownLine, NoteMilestone, ParsedNote, StreamResetNotice };
@Component({
selector: 'app-agent-stream',
standalone: true,
imports: [CommonModule, FormsModule],
imports: [CommonModule, FormsModule, OverlayModule],
templateUrl: './agent-stream.component.html',
styleUrl: './agent-stream.component.scss',
changeDetection: ChangeDetectionStrategy.OnPush
@@ -234,6 +235,31 @@ export class AgentStreamComponent implements AfterViewInit {
public isTaskDropdownOpen = signal<boolean>(false);
public isNotesDropdownOpen = signal<boolean>(false);
// CDK Connected Overlay Positioning Strategy
public readonly dropdownPositions: ConnectedPosition[] = [
{
originX: 'end',
originY: 'bottom',
overlayX: 'end',
overlayY: 'top',
offsetY: 6,
},
{
originX: 'end',
originY: 'top',
overlayX: 'end',
overlayY: 'bottom',
offsetY: -6,
},
{
originX: 'start',
originY: 'bottom',
overlayX: 'start',
overlayY: 'top',
offsetY: 6,
}
];
// Zoom Modal State
public selectedZoomImage = signal<string | null>(null);
public selectedZoomAction = signal<any | null>(null);
@@ -258,6 +284,18 @@ export class AgentStreamComponent implements AfterViewInit {
private static readonly TYPING_CHARS_PER_SECOND = 667;
private static readonly TYPING_MIN_FRAME_MS = 28;
// Active reset notices per block (displayed after typewriter rewind finishes)
public activeBlockResets = signal<Map<string, StreamResetNotice[]>>(new Map());
public activeResetNotices = signal<Map<string, string>>(new Map());
private rewindTargets = new Map<string, {
blockId: string;
isThinking: boolean;
execId?: string;
message: string;
}>();
// Fast rewind pace (backspace speed ≈ 4x normal typing speed for snappy deletion)
private static readonly REWIND_CHARS_PER_SECOND = 2600;
// Rendered-markdown memo per template slot: returning the identical string
// instance for unchanged text lets the [innerHTML] binding skip re-sanitizing
// and re-parsing the whole fragment on every change-detection pass.
@@ -466,6 +504,18 @@ export class AgentStreamComponent implements AfterViewInit {
this.scheduleAutoScroll(false);
});
// Listen for stream reset events to trigger fast typewriter rewind
effect(() => {
const resetEvent = this.agentService.streamResetEvent();
if (!resetEvent) return;
untracked(() => {
this.triggerStreamRewind(
resetEvent.stream_execution_id || resetEvent.stream_exec_id,
resetEvent.message || DEFAULT_STREAM_RESET_MESSAGE
);
});
});
// Typewriter drive logic: triggers typing when block appears or expands
effect(() => {
const blocks = this.consolidatedBlocks();
@@ -473,6 +523,39 @@ export class AgentStreamComponent implements AfterViewInit {
// Check blocks render their per-turn segments directly (no typewriter).
if (block.type === 'checker') return;
const blockId = block.id;
// If the block is flagged as reset, ensure typewriter rewind is active or reset notice is set
if (block.data?.isReset) {
untracked(() => {
const resetMsg = block.data.resetMessage || DEFAULT_STREAM_RESET_MESSAGE;
const currentRecord = this.typedTextsSignal();
const hasText = (currentRecord[blockId]?.length || 0) > 0 || (currentRecord[blockId + '-native']?.length || 0) > 0;
if (hasText) {
if (!this.rewindTargets.has(blockId) && !this.rewindTargets.has(blockId + '-native')) {
this.triggerStreamRewind(block.data.execution_id, resetMsg);
}
} else {
const activeResets = this.activeBlockResets().get(blockId) || [];
if (activeResets.length === 0) {
this.upsertBlockResetNotice(blockId, {
id: block.data.execution_id || `${blockId}-text`,
message: resetMsg,
isWaiting: !block.data?.isCompleted,
streamType: 'text'
});
}
if (!this.activeResetNotices().has(blockId)) {
this.activeResetNotices.update(m => {
const next = new Map(m);
next.set(blockId, resetMsg);
return next;
});
}
}
});
return;
}
const rawText = this.getRawThinking(block) || '';
const nativeText = this.getNativeThinking(block) || '';
@@ -541,6 +624,8 @@ export class AgentStreamComponent implements AfterViewInit {
untracked(() => {
this.stopTypingLoop();
this.typedTextsSignal.set({});
this.activeResetNotices.set(new Map());
this.activeBlockResets.set(new Map());
this.markdownHtmlCache.clear();
this.scheduledCollapses.clear();
this.collapsedStreams.set(new Set<string>());
@@ -754,8 +839,51 @@ export class AgentStreamComponent implements AfterViewInit {
}
// Typewriter & Delayed Collapse
private upsertBlockResetNotice(blockId: string, notice: StreamResetNotice): void {
this.activeBlockResets.update(m => {
const next = new Map(m);
const list = [...(next.get(blockId) || [])];
const existingIdx = list.findIndex(r => r.id === notice.id);
if (existingIdx > -1) {
list[existingIdx] = notice;
} else {
list.push(notice);
}
next.set(blockId, list);
return next;
});
}
private startTyping(key: string, targetText: string, isThinking: boolean = false, execId?: string) {
const blockId = key.endsWith('-native') ? key.replace('-native', '') : key;
// If there was an active rewind, cancel it, reset text to empty, and record its reset notice as completed waiting
const activeRewind = this.rewindTargets.get(key);
if (activeRewind) {
this.rewindTargets.delete(key);
this.typedTextsSignal.update(r => ({ ...r, [key]: '' }));
this.upsertBlockResetNotice(blockId, {
id: activeRewind.execId || `${blockId}-${isThinking ? 'thinking' : 'text'}`,
message: activeRewind.message,
isWaiting: false,
streamType: isThinking ? 'thinking' : 'text'
});
}
// Cancel any active rewind on this key
this.rewindTargets.delete(key);
// When retry stream starts outputting content, change waiting dot to normal dot (isWaiting: false)
// The previous prompt sentence DOES NOT disappear.
this.activeBlockResets.update(m => {
const list = m.get(blockId);
if (!list || list.length === 0) return m;
const targetType = isThinking ? 'thinking' : 'text';
const updated = list.map(r => r.streamType === targetType ? { ...r, isWaiting: false } : r);
const next = new Map(m);
next.set(blockId, updated);
return next;
});
this.typingTargets.set(key, { blockId, isThinking, execId, fallbackText: targetText });
this.ensureTypingLoop();
}
@@ -771,7 +899,7 @@ export class AgentStreamComponent implements AfterViewInit {
this.lastTypingTimestamp = now;
this.advanceTyping(elapsed);
}
if (this.typingTargets.size > 0) {
if (this.typingTargets.size > 0 || this.rewindTargets.size > 0) {
this.typingRafId = requestAnimationFrame(step);
}
};
@@ -781,6 +909,7 @@ export class AgentStreamComponent implements AfterViewInit {
private stopTypingLoop(): void {
this.typingTargets.clear();
this.rewindTargets.clear();
if (this.typingRafId !== null) {
cancelAnimationFrame(this.typingRafId);
this.typingRafId = null;
@@ -798,9 +927,14 @@ export class AgentStreamComponent implements AfterViewInit {
1,
Math.round(AgentStreamComponent.TYPING_CHARS_PER_SECOND * elapsedMs / 1000)
);
const rewindChars = Math.max(
2,
Math.round(AgentStreamComponent.REWIND_CHARS_PER_SECOND * elapsedMs / 1000)
);
const updates: Record<string, string> = {};
let hasUpdates = false;
// 1. Advance forward typing targets
for (const [key, typing] of this.typingTargets) {
const block = blocks.find((b) => b.id === typing.blockId);
let target = typing.fallbackText;
@@ -821,11 +955,211 @@ export class AgentStreamComponent implements AfterViewInit {
}
}
// 2. Advance fast rewind targets (backspacing for mid-stream resets)
const completedRewinds: Array<{ blockId: string; execId?: string; isThinking: boolean; message: string }> = [];
for (const [key, rewind] of this.rewindTargets) {
const current = updates[key] !== undefined ? updates[key] : (currentRecord[key] || '');
if (current.length > 0) {
const nextLen = Math.max(0, current.length - rewindChars);
updates[key] = current.slice(0, nextLen);
hasUpdates = true;
if (nextLen === 0) {
this.rewindTargets.delete(key);
completedRewinds.push({
blockId: rewind.blockId,
execId: rewind.execId,
isThinking: rewind.isThinking,
message: rewind.message
});
}
} else {
this.rewindTargets.delete(key);
completedRewinds.push({
blockId: rewind.blockId,
execId: rewind.execId,
isThinking: rewind.isThinking,
message: rewind.message
});
}
}
if (completedRewinds.length > 0) {
for (const item of completedRewinds) {
this.upsertBlockResetNotice(item.blockId, {
id: item.execId || `${item.blockId}-${item.isThinking ? 'thinking' : 'text'}`,
message: item.message,
isWaiting: true,
streamType: item.isThinking ? 'thinking' : 'text'
});
}
this.activeResetNotices.update((notices) => {
const next = new Map(notices);
for (const item of completedRewinds) {
next.set(item.blockId, item.message);
}
return next;
});
}
if (hasUpdates) {
this.typedTextsSignal.update((r) => ({ ...r, ...updates }));
}
}
/**
* Triggers fast typewriter rewind on a stream execution when a mid-stream reset occurs.
* Once characters rewind to zero, the block displays the graceful retry notification.
*/
public triggerStreamRewind(execId: string | undefined, message: string): void {
const blocks = untracked(() => this.consolidatedBlocks());
const currentTexts = untracked(() => this.typedTextsSignal());
const targetBlock = blocks.find(b =>
b.data?.execution_id === execId
|| b.id === `stream-${execId}`
|| b.data?.step_id === execId
|| (Array.isArray(b.data?.stream_segments) && b.data.stream_segments.some((s: any) => s.execution_id === execId))
) || blocks.find(b => b.data?.isReset);
if (!targetBlock) return;
const blockId = targetBlock.id;
const keysToCheck: Array<{ key: string; isThinking: boolean }> = [
{ key: blockId, isThinking: false },
{ key: blockId + '-native', isThinking: true }
];
let startedRewind = false;
for (const { key, isThinking } of keysToCheck) {
this.typingTargets.delete(key);
const currentText = currentTexts[key] || '';
if (currentText.length > 0) {
this.rewindTargets.set(key, {
blockId,
isThinking,
execId,
message
});
startedRewind = true;
}
}
if (startedRewind) {
this.ensureTypingLoop();
} else {
this.upsertBlockResetNotice(blockId, {
id: execId || `${blockId}-text`,
message,
isWaiting: true,
streamType: 'text'
});
this.activeResetNotices.update(notices => {
const next = new Map(notices);
next.set(blockId, message);
return next;
});
}
}
public getBlockResets(block: any, isThinking: boolean = false): StreamResetNotice[] {
if (!block) return [];
const blockId = block.id;
const targetStreamType = isThinking ? 'thinking' : 'text';
// 1. From activeBlockResets signal
const activeList = (this.activeBlockResets().get(blockId) || [])
.filter(r => r.streamType === targetStreamType);
// 2. From block.data.stream_resets (aggregated from logs)
const blockDataResets = (Array.isArray(block.data?.stream_resets) ? block.data.stream_resets : [])
.filter((r: any) => (r.streamType || 'text') === targetStreamType);
// Fast path: if both lists are empty, check fallback or return empty array immediately
if (activeList.length === 0 && blockDataResets.length === 0) {
if (!isThinking && block.data?.isReset && block.data?.resetMessage) {
return [{
id: block.data.execution_id || blockId,
message: block.data.resetMessage,
isWaiting: !block.data?.isCompleted,
streamType: 'text'
}];
}
return [];
}
// Merge by id, giving precedence to activeList
const mergedMap = new Map<string, StreamResetNotice>();
for (const r of blockDataResets) {
mergedMap.set(r.id, {
id: r.id,
message: r.message,
isWaiting: block.data?.isCompleted ? false : (r.isWaiting ?? false),
streamType: r.streamType || targetStreamType
});
}
for (const r of activeList) {
mergedMap.set(r.id, {
...r,
isWaiting: block.data?.isCompleted ? false : r.isWaiting
});
}
return Array.from(mergedMap.values());
}
public hasWaitingReset(block: any, isThinking: boolean = false): boolean {
const resets = this.getBlockResets(block, isThinking);
return resets.some(r => r.isWaiting);
}
public hasBlockResets(block: any, isThinking: boolean = false): boolean {
return this.getBlockResets(block, isThinking).length > 0;
}
public formatResetMessage(message: string, isWaiting: boolean): string {
if (!message) return '';
if (isWaiting) return message;
return message
.replace(/[,.\s]*(?:Retrying automatically(?:\.{3}|\.\.\.)?)\s*$/i, '')
.trim();
}
public getCheckerSegmentResetMessage(item: any): string {
return item?.data?.resetMessage || DEFAULT_STREAM_RESET_MESSAGE;
}
public getResetNotice(block: any): string | null {
if (!block) return null;
const resets = this.getBlockResets(block, false);
if (resets.length > 0) {
const last = resets[resets.length - 1];
return this.formatResetMessage(last.message, last.isWaiting);
}
const blockId = block.id;
const active = this.activeResetNotices().get(blockId);
if (active) return this.formatResetMessage(active, !block.data?.isCompleted);
if (block.data?.isReset && block.data?.resetMessage) {
return this.formatResetMessage(block.data.resetMessage, !block.data?.isCompleted);
}
return null;
}
public isStreamRewinding(key: string): boolean {
return this.rewindTargets.has(key);
}
public isCheckerSegmentResetNotice(item: any): boolean {
if (!item?.data?.isReset) return false;
const text = item.data.text;
return !text || text.trim().length === 0;
}
public getStreamDisplayText(key: string, fallback: string = ''): string {
const typed = this.typedTextsSignal()[key];
return typed !== undefined ? typed : fallback;
}
private triggerDelayedCollapse(execId: string) {
if (!this.scheduledCollapses.has(execId)) {
this.scheduledCollapses.add(execId);
@@ -1275,6 +1609,7 @@ export class AgentStreamComponent implements AfterViewInit {
}
public isCheckerTextVisible(item: any): boolean {
if (item?.data?.isReset) return true;
const text = item?.data?.text;
return typeof text === 'string' && text.trim().length > 0 && this.isHumanThinking(text);
}
@@ -1347,6 +1682,7 @@ export class AgentStreamComponent implements AfterViewInit {
if (block.type === 'checker') return true;
const hasNative = Boolean(this.getNativeThinking(block));
const hasRaw = Boolean(this.getRawThinking(block));
const hasReset = this.hasBlockResets(block, false) || this.hasBlockResets(block, true);
const hasVisibleTools = Boolean(block.data?.generic_tools) && block.data.generic_tools.some((t: any) =>
this.shouldShowTool(t, block.data)
|| this.isDisplayableLLMFailure(t)
@@ -1354,7 +1690,7 @@ export class AgentStreamComponent implements AfterViewInit {
|| this.isReportStatusAction(t)
);
const hasAndroidActions = Boolean(block.data?.action_taken) && (this.isAndroidAction(block.data.action_taken) || this.isReportStatusAction(block.data.action_taken));
return hasNative || hasRaw || hasVisibleTools || hasAndroidActions;
return hasNative || hasRaw || hasReset || hasVisibleTools || hasAndroidActions;
}
public isReportStatusAction(action: any): boolean {
@@ -52,6 +52,32 @@ export interface LLMStreamEventData {
chunk?: string;
stream_type?: 'thinking' | 'text' | string;
isCompleted?: boolean;
isReset?: boolean;
resetMessage?: string;
}
export const DEFAULT_STREAM_RESET_MESSAGE =
'A request error occurred during output generation, typically caused by lower API priority. Retrying automatically...';
export interface StreamResetNotice {
id: string;
message: string;
isWaiting: boolean;
streamType: string;
}
export interface LLMStreamResetEventData {
stream_exec_id?: string;
stream_execution_id?: string;
step_id?: string;
session_id?: string;
action?: 'discard' | string;
reason?: string;
category?: string;
error?: string;
message?: string;
retry_attempt?: number;
timestamp?: number;
}
export interface StepItemData {
@@ -119,6 +145,8 @@ export interface StreamSegment {
text: string;
timestamp: string;
isCompleted?: boolean;
isReset?: boolean;
resetMessage?: string;
}
/**
@@ -20,9 +20,9 @@ import { Observable } from 'rxjs';
import { Session, ModelInfo, TaskQueueItem, AgentStatusResponse } from '../core/models/session.model';
import { ProTuningDefaults, ProTuningOptions } from '../core/models/pro-tuning.model';
import { StepItemData, StepReplayFrame } from '../core/models/stream.model';
import { StepItemData, StepReplayFrame, LLMStreamResetEventData, StreamResetNotice, DEFAULT_STREAM_RESET_MESSAGE } from '../core/models/stream.model';
import { extractStepReplayFrames } from '../utils/action-formatter.util';
export type { Session, ModelInfo, TaskQueueItem, AgentStatusResponse, StepItemData, StepReplayFrame };
export type { Session, ModelInfo, TaskQueueItem, AgentStatusResponse, StepItemData, StepReplayFrame, LLMStreamResetEventData, StreamResetNotice };
const SESSION_CACHE_KEY = 'artemis.sessions.v1';
@@ -240,6 +240,7 @@ export class AgentService {
public videoSeekRequest = signal<{ seconds: number; requestId: number } | null>(null);
public stepSeekRequest = signal<{ index: number; requestId: number } | null>(null);
public playerMode = signal<'video' | 'steps'>('video');
public streamResetEvent = signal<LLMStreamResetEventData | null>(null);
private activeVideoSessionId: string | null = null;
private videoSeekRequestId = 0;
private stepSeekRequestId = 0;
@@ -348,7 +349,7 @@ export class AgentService {
// Streaming chunks are coalesced into one signal update per short window so a
// chatty LLM stream cannot force a full recompute pass per SSE chunk.
private pendingStreamChunks = new Map<string, { execId: any; stepId: any; parentTraceId?: any; streamType: string; chunk: string }>();
private pendingStreamChunks = new Map<string, { execId: any; stepId: any; sessionId?: string | null; parentTraceId?: any; streamType: string; chunk: string }>();
private streamFlushTimer: ReturnType<typeof setTimeout> | null = null;
private lastQueueSignature: string | null = null;
private lastActiveTasksSignature: string | null = null;
@@ -762,6 +763,7 @@ export class AgentService {
const eventTypes = [
'llm_stream',
'llm_stream_reset',
'trace_recorded',
'step_recorded',
'step_updated',
@@ -951,6 +953,67 @@ export class AgentService {
this.isRetrying.set(false);
}
if (eventType === 'llm_stream_reset') {
const streamExecId = parsedData?.stream_exec_id || parsedData?.stream_execution_id;
if (streamExecId) {
for (const key of Array.from(this.pendingStreamChunks.keys())) {
if (key.startsWith(`${streamExecId}|`) || key === streamExecId) {
this.pendingStreamChunks.delete(key);
}
}
}
const resetMessage = parsedData?.message || DEFAULT_STREAM_RESET_MESSAGE;
this.streamResetEvent.set({
stream_exec_id: streamExecId,
stream_execution_id: streamExecId,
step_id: parsedData?.step_id,
session_id: parsedData?.session_id,
action: parsedData?.action || 'discard',
reason: parsedData?.reason || 'mid_stream_failure',
category: parsedData?.category,
error: parsedData?.error,
message: resetMessage,
retry_attempt: parsedData?.retry_attempt,
timestamp: Date.now()
});
this.sessionLogs.update((logs) => {
let updated = false;
const next = logs.map((log) => {
if (log.type === 'llm_stream' && log.data?.execution_id === streamExecId) {
updated = true;
return {
...log,
data: {
...log.data,
isReset: true,
resetMessage
}
};
}
return log;
});
if (!updated && streamExecId) {
next.push({
type: 'llm_stream',
timestamp: new Date().toISOString(),
session_id: parsedData?.session_id,
data: {
execution_id: streamExecId,
step_id: parsedData?.step_id,
stream_type: 'text',
text: '',
isCompleted: false,
isReset: true,
resetMessage
}
});
}
return next;
});
return;
}
if (eventType === 'llm_stream') {
this.queueStreamChunk(parsedData);
} else {
@@ -1033,19 +1096,22 @@ export class AgentService {
private queueStreamChunk(parsedData: any): void {
const execId = parsedData.execution_id;
const stepId = parsedData.step_id;
const sessionId = parsedData.session_id || null;
// The emitting agent's trace: lets the aggregator route a concurrent
// agent's stream (e.g. the Checker) to its own block instead of the
// Operator step that happens to be current.
const parentTraceId = parsedData.parent_trace_id || null;
const streamType = parsedData.stream_type || 'text';
const key = `${execId}|${streamType}`;
const chunk = parsedData.chunk !== undefined ? parsedData.chunk : (parsedData.text || '');
const pending = this.pendingStreamChunks.get(key);
if (pending) {
pending.chunk += parsedData.chunk;
pending.chunk += chunk;
if (stepId) pending.stepId = stepId;
if (sessionId) pending.sessionId = sessionId;
if (parentTraceId) pending.parentTraceId = parentTraceId;
} else {
this.pendingStreamChunks.set(key, { execId, stepId, parentTraceId, streamType, chunk: parsedData.chunk });
this.pendingStreamChunks.set(key, { execId, stepId, sessionId, parentTraceId, streamType, chunk });
}
if (!this.streamFlushTimer) {
const delay = typeof document !== 'undefined' && document.hidden ? 500 : 80;
@@ -1083,9 +1149,11 @@ export class AgentService {
const existingLog = next[existingIndex];
next[existingIndex] = {
...existingLog,
session_id: batch.sessionId || existingLog.session_id,
data: {
...existingLog.data,
text: existingLog.data.text + batch.chunk,
session_id: batch.sessionId || existingLog.data?.session_id,
text: (existingLog.data.text || '') + batch.chunk,
step_id: batch.stepId || existingLog.data.step_id,
parent_trace_id: batch.parentTraceId || existingLog.data.parent_trace_id || null
}
@@ -1105,8 +1173,10 @@ export class AgentService {
next.push({
type: 'llm_stream',
timestamp: new Date().toISOString(),
session_id: batch.sessionId || undefined,
data: {
execution_id: batch.execId,
session_id: batch.sessionId || undefined,
step_id: batch.stepId,
parent_trace_id: batch.parentTraceId || null,
text: batch.chunk,
@@ -18,13 +18,66 @@ import { ActionParam, StepReplayFrame } from '../core/models/stream.model';
import { extractNumbersFromCoordinateValue, isPureDirectionString, parseSequenceCoordinates } from './image-overlay.util';
import { cleanErrorMessage } from './tool-formatter.util';
/**
* Safely parse JSON string if it looks like an object/array, otherwise return original value
*/
export function safeParseJson(val: any): any {
if (typeof val === 'string' && (val.trim().startsWith('{') || val.trim().startsWith('['))) {
try {
return JSON.parse(val);
} catch {
return val;
}
}
return val;
}
// WeakMap memo for parsed action objects to avoid repeated JSON.parse and object allocation across change detection cycles
const actionObjectCache = new WeakMap<object, any>();
function computeActionObject(action: any): any {
if (action && typeof action === 'object' && action.payload) {
const payload = typeof action.payload === 'string' ? safeParseJson(action.payload) : action.payload;
const innerAction = payload?.args?.action;
if (innerAction && typeof innerAction === 'object') {
return {
...action,
...innerAction,
name: action.name || innerAction.action || innerAction.name,
action: innerAction.action || action.name,
trace_id: action.trace_id,
timestamp: action.timestamp ?? innerAction.timestamp
};
}
const innerArgs = payload?.args;
if (innerArgs && typeof innerArgs === 'object') {
return {
...action,
...innerArgs,
name: action.name || innerArgs.action || innerArgs.name,
action: innerArgs.action || action.name,
trace_id: action.trace_id,
timestamp: action.timestamp ?? innerArgs.timestamp
};
}
}
return action;
}
/**
* Safely extract action object from possible array or nested structure
*/
export function getActionObject(action: any): any {
if (!action) return null;
if (Array.isArray(action)) {
return action.length > 0 ? action[0] : null;
return action.length > 0 ? getActionObject(action[0]) : null;
}
if (typeof action === 'object') {
const cached = actionObjectCache.get(action);
if (cached !== undefined) return cached;
const res = computeActionObject(action);
actionObjectCache.set(action, res);
return res;
}
return action;
}
@@ -46,7 +99,7 @@ export function isAndroidAction(action: any): boolean {
'tap', 'click', 'click_sequence', 'input', 'input_text', 'swipe', 'scroll', 'press_key',
'press_home', 'press_back', 'launch_app', 'manage_app', 'open_app',
'focus_and_input_text', 'focus_and_clear_text', 'long_press', 'long_press_on',
'wait_for_delay', 'wait'
'wait_for_delay', 'wait', 'drag', 'drag_and_drop'
].includes(name);
}
@@ -543,7 +596,8 @@ export function isGenericToolTrace(actionData: any, stepData?: any): boolean {
}
}
if (actionData.is_primary_step_action) return false;
return Boolean(actionData.trace_id || actionData.payload || actionData.type === 'tool' || (actionData.type === 'action' && actionData.trace_id));
if (actionData.type === 'action' || isAndroidAction(actionData)) return false;
return Boolean(actionData.trace_id || actionData.payload || actionData.type === 'tool');
}
interface ResolvedImageEntry {
@@ -554,16 +608,6 @@ interface ResolvedImageEntry {
const stepImageMapCache = new WeakMap<any, { key: string; map: Map<any, ResolvedImageEntry> }>();
function safeParseJson(val: any): any {
if (typeof val === 'string' && (val.trim().startsWith('{') || val.trim().startsWith('['))) {
try {
return JSON.parse(val);
} catch {
return val;
}
}
return val;
}
export function extractItemPreImage(item: any): string | null {
const act = getActionObject(item);
@@ -639,7 +683,10 @@ export function resolveStepImageMap(stepData: any): Map<any, ResolvedImageEntry>
if (!stepData || typeof stepData !== 'object') return emptyMap;
const toolsLen = Array.isArray(stepData.generic_tools) ? stepData.generic_tools.length : 0;
const cacheKey = `${stepData.step_id || ''}_${toolsLen}_${stepData.post_image_name || ''}_${stepData.pre_image_name || ''}`;
const toolsImageSig = Array.isArray(stepData.generic_tools)
? stepData.generic_tools.map((t: any) => `${t?.trace_id || ''}:${t?.post_image_name || t?.post_screenshot || ''}`).join(',')
: '';
const cacheKey = `${stepData.step_id || ''}_${toolsLen}_${toolsImageSig}_${stepData.post_image_name || ''}_${stepData.pre_image_name || ''}`;
const cached = stepImageMapCache.get(stepData);
if (cached && cached.key === cacheKey) {
@@ -649,7 +696,11 @@ export function resolveStepImageMap(stepData: any): Map<any, ResolvedImageEntry>
const map = new Map<any, ResolvedImageEntry>();
const events: Array<{ item: any; act: any; timestamp: number; isPrimary: boolean }> = [];
if (stepData.action_taken) {
const hasActionInTools = Array.isArray(stepData.generic_tools) && stepData.generic_tools.some(
(t: any) => t && (t.type === 'action' || isAndroidAction(t) || isReportStatusAction(t))
);
if (!hasActionInTools && stepData.action_taken) {
events.push({
item: stepData.action_taken,
act: getActionObject(stepData.action_taken),
@@ -661,11 +712,12 @@ export function resolveStepImageMap(stepData: any): Map<any, ResolvedImageEntry>
if (Array.isArray(stepData.generic_tools)) {
stepData.generic_tools.forEach((t: any) => {
if (t) {
const isAction = t.type === 'action' || isAndroidAction(t) || isReportStatusAction(t);
events.push({
item: t,
act: getActionObject(t),
timestamp: getEventTimestamp(t),
isPrimary: false
isPrimary: isAction
});
}
});
@@ -728,6 +780,19 @@ export function resolveStepImageMap(stepData: any): Map<any, ResolvedImageEntry>
map.set(e.item, entry);
if (act && act !== e.item) map.set(act, entry);
if (act?.trace_id) map.set(act.trace_id, entry);
if (e.item?.trace_id) map.set(e.item.trace_id, entry);
}
// Ensure stepData.action_taken cross-resolves to the action images
if (stepData.action_taken && lastActionItem) {
const lastEntry = map.get(lastActionItem);
if (lastEntry) {
map.set(stepData.action_taken, lastEntry);
const actObj = getActionObject(stepData.action_taken);
if (actObj && actObj !== stepData.action_taken) {
map.set(actObj, lastEntry);
}
}
}
stepImageMapCache.set(stepData, { key: cacheKey, map });
@@ -885,7 +950,9 @@ export function extractStepReplayFrames(logsOrSteps: any[]): StepReplayFrame[] {
const visualCandidates: VisualCandidate[] = [];
for (const stepData of stepsList) {
const act = stepData.action_taken;
const act = stepData.action_taken || (Array.isArray(stepData.generic_tools)
? stepData.generic_tools.find((t: any) => t && (t.type === 'action' || isAndroidAction(t)))
: null);
const preUrl = getStepPreImageUrl(stepData, act);
const postUrl = getStepPostImageUrl(stepData, act);
const primaryImg = preUrl || postUrl;
@@ -349,3 +349,139 @@ describe('stream aggregator checker history relocation', () => {
expect(checker.data.generic_tools.map((t: any) => t.trace_id)).toEqual(['tool-probe']);
});
});
describe('stream aggregator single source of truth (Option A)', () => {
it('does not duplicate action_taken when generic_tools already contains the action trace', () => {
const events = getSortedStepEvents({
timestamp: 100,
action_taken: [{ action: 'launch_app', app_name: 'Maps', timestamp: 102 }],
generic_tools: [
{ trace_id: 'tool-note', type: 'tool', name: 'update_note', timestamp: 101 },
{ trace_id: 'act-launch', type: 'action', name: 'launch_app', timestamp: 102, payload: { args: { action: { action: 'launch_app', app_name: 'Maps' } } } }
]
});
expect(events.length).toBe(2);
expect(events.map(e => e.type)).toEqual(['tool', 'action']);
expect(events.map(e => e.data.name)).toEqual(['update_note', 'launch_app']);
});
it('retains multiple adb commands and tools alongside physical actions without dropping any', () => {
const events = getSortedStepEvents({
timestamp: 100,
action_taken: [{ action: 'wait_for_delay', time_in_ms: 1000, timestamp: 105 }],
generic_tools: [
{ trace_id: 'adb-1', type: 'tool', name: 'run_adb_command', timestamp: 101, payload: { CommandLine: 'dumpsys telephony.registry' } },
{ trace_id: 'adb-2', type: 'tool', name: 'run_adb_command', timestamp: 102, payload: { CommandLine: 'am start -a ...' } },
{ trace_id: 'exp-1', type: 'tool', name: 'ask_explorer', timestamp: 103 },
{ trace_id: 'act-wait', type: 'action', name: 'wait_for_delay', timestamp: 104, payload: { args: { time_in_ms: 1000 } } }
]
});
expect(events.length).toBe(4);
expect(events.map(e => e.type)).toEqual(['tool', 'tool', 'tool', 'action']);
expect(events.map(e => e.data.name)).toEqual(['run_adb_command', 'run_adb_command', 'ask_explorer', 'wait_for_delay']);
});
it('supports multi-action bursts sequentially from generic_tools', () => {
const events = getSortedStepEvents({
timestamp: 100,
action_taken: [{ action: 'tap', coordinates: [200, 300] }],
generic_tools: [
{ trace_id: 'tap-1', type: 'action', name: 'tap', timestamp: 101, payload: { args: { action: { action: 'tap', coordinates: [100, 200] } } } },
{ trace_id: 'tap-2', type: 'action', name: 'tap', timestamp: 102, payload: { args: { action: { action: 'tap', coordinates: [200, 300] } } } }
]
});
expect(events.length).toBe(2);
expect(events.every(e => e.type === 'action')).toBeTrue();
expect(events[0].data.trace_id).toBe('tap-1');
expect(events[1].data.trace_id).toBe('tap-2');
});
it('correctly processes real trace 38fd934e Step 16 keeping ADB commands and wait_for_delay visible without duplicates', () => {
const step16 = {
step_id: '31e8c7ec-6b67-485e-94f4-355a853ccf8a',
step_number: 16,
action_taken: [{ action: 'wait_for_delay', time_in_ms: 1000 }],
operator_native_thinking: 'Let me check telephony and send SMS...',
operator_native_thinking_timestamp: 1788457630,
timestamp: 1788457630,
generic_tools: [
{ trace_id: 't-adb-1', parent_trace_id: 't-op', name: 'run_adb_command', type: 'tool', timestamp: 1788457631, status: 'success', payload: { args: { CommandLine: 'dumpsys telephony.registry' } } },
{ trace_id: 't-adb-1-sub', parent_trace_id: 't-adb-1', name: 'run_adb_command', type: 'tool', timestamp: 1788457631.5, status: 'success' },
{ trace_id: 't-adb-2', parent_trace_id: 't-op', name: 'run_adb_command', type: 'tool', timestamp: 1788457632, status: 'success', payload: { args: { CommandLine: 'am start -a android.intent.action.SENDTO ...' } } },
{ trace_id: 't-adb-2-sub', parent_trace_id: 't-adb-2', name: 'run_adb_command', type: 'tool', timestamp: 1788457632.5, status: 'success' },
{ trace_id: 't-exp', parent_trace_id: 't-op', name: 'ask_explorer', type: 'tool', timestamp: 1788457633, status: 'success', payload: { args: { query: 'any text on screen' } } },
{ trace_id: 't-exp-sub', parent_trace_id: 't-exp', name: 'ask_explorer', type: 'tool', timestamp: 1788457633.5, status: 'success' },
{ trace_id: 't-wait', parent_trace_id: 't-val', name: 'wait_for_delay', type: 'action', timestamp: 1788457635, status: 'success', payload: { args: { action: { action: 'wait_for_delay', time_in_ms: 1000 } } } },
{ trace_id: 't-safety', parent_trace_id: 't-wait', name: 'safety_net_pixel_validation', type: 'tool', timestamp: 1788457636, status: 'success' }
]
};
const events = getSortedStepEvents(step16);
// 1 native thinking + 2 adb tools + 1 explorer tool + 1 wait_for_delay action
expect(events.length).toBe(5);
expect(events.map(e => e.type)).toEqual(['thinking', 'tool', 'tool', 'tool', 'action']);
expect(events.map(e => e.data.name || e.data.action || 'thinking')).toEqual([
'thinking',
'run_adb_command',
'run_adb_command',
'ask_explorer',
'wait_for_delay'
]);
});
it('correctly handles mid-stream reset and supersedes the reset block on retry', () => {
// 1. Initial stream fails mid-stream and is marked reset
const resetLogs = [
{
type: 'llm_stream',
timestamp: '2026-09-03T10:00:01.000Z',
data: {
execution_id: 'exec-failed-1',
stream_type: 'text',
text: 'Here is the aborted plan...',
isCompleted: false,
isReset: true,
resetMessage: 'A request error occurred during output generation, typically caused by lower API priority. Retrying automatically...'
}
}
];
const initialBlocks = consolidateLogsToBlocks(resetLogs);
expect(initialBlocks.length).toBe(1);
expect(initialBlocks[0].data.isReset).toBeTrue();
expect(initialBlocks[0].data.resetMessage).toBe('A request error occurred during output generation, typically caused by lower API priority. Retrying automatically...');
// getSortedStepEvents retains the reset state and message
const resetEvents = getSortedStepEvents(initialBlocks[0].data);
expect(resetEvents.length).toBe(1);
expect(resetEvents[0].type).toBe('text');
expect(resetEvents[0].data.isReset).toBeTrue();
// 2. Retry stream arrives without step_id (e.g. pre-planning retry)
const retryLogs = [
...resetLogs,
{
type: 'llm_stream',
timestamp: '2026-09-03T10:00:03.000Z',
data: {
execution_id: 'exec-retry-2',
stream_type: 'text',
text: 'Here is the fresh completed plan.',
isCompleted: true
}
}
];
const updatedBlocks = consolidateLogsToBlocks(retryLogs);
// Should supersede the reset block rather than creating an orphaned duplicate card
expect(updatedBlocks.length).toBe(1);
expect(updatedBlocks[0].data.execution_id).toBe('exec-retry-2');
expect(updatedBlocks[0].data.isReset).toBeFalse();
expect(updatedBlocks[0].data.operator_raw_thinking).toBe('Here is the fresh completed plan.');
expect(updatedBlocks[0].data.isCompleted).toBeTrue();
});
});
@@ -14,9 +14,9 @@
* limitations under the License.
*/
import { StepBlock, PhaseBlock, StepEvent, StreamSegment } from '../core/models/stream.model';
import { isAndroidAction, isReportStatusAction, getReportStatusExplanation, getReportStatusValue } from './action-formatter.util';
import { getUniqueGenericTools } from './tool-formatter.util';
import { StepBlock, PhaseBlock, StepEvent, StreamSegment, StreamResetNotice, DEFAULT_STREAM_RESET_MESSAGE } from '../core/models/stream.model';
import { isAndroidAction, isReportStatusAction, getReportStatusExplanation, getReportStatusValue, getActionObject } from './action-formatter.util';
import { getUniqueGenericTools, isInternalPlumbingTool } from './tool-formatter.util';
/**
* Helper to safely extract milliseconds timestamp
@@ -193,6 +193,8 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
const streamType = log.data?.stream_type || 'text';
const text = log.data?.text || '';
const isCompleted = log.data?.isCompleted ?? false;
const isReset = log.data?.isReset ?? false;
const resetMessage = log.data?.resetMessage;
// The Checker's own reasoning streams under its agent trace: route it to
// the attempt block, never to the Operator step that is current.
@@ -215,7 +217,9 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
stream_type: streamType === 'thinking' ? 'thinking' : 'text',
text,
timestamp: segmentIndex > -1 ? segments[segmentIndex].timestamp : log.timestamp,
isCompleted
isCompleted,
isReset,
resetMessage
};
if (segmentIndex > -1) segments[segmentIndex] = segment; else segments.push(segment);
checkerData.stream_segments = segments;
@@ -248,10 +252,42 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
if (existingIndex === -1 && execId) {
existingIndex = blocks.findIndex(b => b.data?.execution_id === execId || b.id === `stream-${execId}`);
}
// If no stepId and not matched by execId, check if there is an unattached stream block that was reset.
// The retry stream supersedes that reset block rather than spawning an orphaned duplicate card.
if (existingIndex === -1 && !stepId) {
existingIndex = blocks.findIndex(b => b.type === 'llm_stream' && b.data?.isReset);
}
if (existingIndex > -1) {
const existing = blocks[existingIndex];
const updatedData = { ...existing.data };
const existingResets: StreamResetNotice[] =
Array.isArray(updatedData.stream_resets) ? [...updatedData.stream_resets] : [];
if (isReset) {
updatedData.isReset = true;
updatedData.resetMessage = resetMessage;
const msg = resetMessage || DEFAULT_STREAM_RESET_MESSAGE;
const resetId = execId || `reset-${log.timestamp || updatedData.step_id || 'stream'}`;
const existingResetIdx = existingResets.findIndex(r => r.id === resetId);
if (existingResetIdx > -1) {
existingResets[existingResetIdx] = { id: resetId, message: msg, isWaiting: true, streamType };
} else {
existingResets.push({ id: resetId, message: msg, isWaiting: true, streamType });
}
updatedData.stream_resets = existingResets;
} else if (execId && updatedData.execution_id !== execId) {
// New execution replacing a reset stream: mark prior resets as finished waiting
updatedData.stream_resets = existingResets.map(r => ({ ...r, isWaiting: false }));
updatedData.isReset = false;
updatedData.resetMessage = undefined;
updatedData.execution_id = execId;
} else if (!isReset && text && text.length > 0 && existingResets.some(r => r.isWaiting)) {
updatedData.stream_resets = existingResets.map(r => ({ ...r, isWaiting: false }));
updatedData.isReset = false;
updatedData.resetMessage = undefined;
}
if (streamType === 'thinking') {
updatedData.operator_native_thinking = text;
updatedData.operator_native_thinking_timestamp =
@@ -268,6 +304,9 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
updatedData.execution_id = execId;
}
updatedData.isCompleted = isCompleted;
if (isCompleted && updatedData.stream_resets) {
updatedData.stream_resets = updatedData.stream_resets.map((r: any) => ({ ...r, isWaiting: false }));
}
blocks[existingIndex] = {
...existing,
@@ -279,6 +318,14 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
execution_id: execId,
step_id: stepId,
isCompleted: isCompleted,
isReset: isReset,
resetMessage: resetMessage,
stream_resets: isReset ? [{
id: execId || `reset-${log.timestamp || stepId || 'stream'}`,
message: resetMessage || DEFAULT_STREAM_RESET_MESSAGE,
isWaiting: true,
streamType
}] : [],
generic_tools: []
};
if (streamType === 'thinking') {
@@ -338,6 +385,9 @@ export function consolidateLogsToBlocks(rawLogs: any[]): StepBlock[] {
generic_tools: mergedTools,
isCompleted: true
};
if (mergedData.stream_resets) {
mergedData.stream_resets = mergedData.stream_resets.map((r: any) => ({ ...r, isWaiting: false }));
}
blocks[existingIndex] = {
...existingBlock,
@@ -667,6 +717,9 @@ export function getSortedStepEvents(
): StepEvent[] {
if (!stepData || typeof stepData !== 'object') return [];
const toolsLen = stepData.generic_tools ? stepData.generic_tools.length : 0;
const toolsSignature = stepData.generic_tools && Array.isArray(stepData.generic_tools)
? stepData.generic_tools.map((t: any) => `${t?.trace_id || t?.name || ''}:${t?.status || ''}`).join(',')
: '';
const actionTs = stepData.action_taken ? (stepData.action_taken.timestamp || stepData.action_taken.start_time || stepData.action_taken.created_at) : null;
const nativeText = typeof stepData.operator_native_thinking === 'string'
? stepData.operator_native_thinking.trim()
@@ -679,11 +732,15 @@ export function getSortedStepEvents(
: null;
const signature = [
toolsLen,
toolsSignature,
actionTs ?? '',
stepData.operator_native_thinking_timestamp ?? '',
stepData.operator_raw_thinking_timestamp ?? '',
nativeText.length,
rawText.length,
stepData.isReset ? '1' : '0',
stepData.resetMessage ?? '',
stepData.stream_resets ? stepData.stream_resets.map((r: any) => `${r.id}:${r.isWaiting ? 1 : 0}`).join(',') : '',
segments ? segments.map((s) => `${s.execution_id}:${s.stream_type}:${s.text.length}`).join(',') : ''
].join('|');
@@ -704,38 +761,58 @@ export function getSortedStepEvents(
// Multi-turn agent (Checker): one event per streamed turn, each at the
// time its first chunk arrived, so turns sort between the tool calls.
segments.forEach((segment) => {
if (!segment.text || !segment.text.trim()) return;
if ((!segment.text || !segment.text.trim()) && !segment.isReset) return;
events.push({
type: segment.stream_type === 'thinking' ? 'thinking' : 'text',
data: { text: segment.text, execution_id: segment.execution_id, segment: true },
data: {
text: segment.text,
execution_id: segment.execution_id,
segment: true,
isReset: segment.isReset,
resetMessage: segment.resetMessage
},
timestamp: getItemTimestamp(segment.timestamp, fallbackTime),
sequence: sequence++
});
});
} else {
if (nativeText) {
const hasThinkingResets = Array.isArray(stepData.stream_resets) && stepData.stream_resets.some((r: any) => r.streamType === 'thinking');
if (nativeText || hasThinkingResets) {
events.push({
type: 'thinking',
data: { text: stepData.operator_native_thinking },
data: { text: stepData.operator_native_thinking || '' },
timestamp: getItemTimestamp(stepData.operator_native_thinking_timestamp, fallbackTime),
sequence: sequence++
});
}
if (rawText) {
if (rawText || (stepData.isReset && stepData.resetMessage) || (Array.isArray(stepData.stream_resets) && stepData.stream_resets.length > 0)) {
events.push({
type: 'text',
data: { text: stepData.operator_raw_thinking },
data: {
text: stepData.operator_raw_thinking || '',
isReset: stepData.isReset,
resetMessage: stepData.resetMessage
},
timestamp: getItemTimestamp(stepData.operator_raw_thinking_timestamp, fallbackTime),
sequence: sequence++
});
}
}
// Add action_taken if present and valid.
if (stepData.action_taken && (isAndroidAction(stepData.action_taken) || isReportStatusAction(stepData.action_taken))) {
// 2. Single Source of Truth & Fallback Resolution:
const uniqueTools = getUniqueGenericTools(stepData.generic_tools);
const hasActionInTools = uniqueTools.some((tool: any) =>
tool && (tool.type === 'action' || isAndroidAction(tool) || isReportStatusAction(tool))
);
// Fallback: only add action_taken if generic_tools did NOT already contain an action trace.
// Pushed before uniqueTools so that when timestamps are missing/equal, the primary action
// preserves deterministic sequence ordering ahead of generic fallback tools.
if (!hasActionInTools && stepData.action_taken && (isAndroidAction(stepData.action_taken) || isReportStatusAction(stepData.action_taken))) {
const actObj = getActionObject(stepData.action_taken);
const actTime = getItemTimestamp(
stepData.action_taken.timestamp ?? stepData.action_taken.start_time ?? stepData.action_taken.created_at,
actObj?.timestamp ?? actObj?.start_time ?? actObj?.created_at,
fallbackTime
);
events.push({
@@ -746,15 +823,19 @@ export function getSortedStepEvents(
});
}
// Add generic tools if present.
const uniqueTools = getUniqueGenericTools(stepData.generic_tools);
// Add all real tool calls and actions from the event stream.
uniqueTools.forEach((tool: any) => {
if (isInternalPlumbingTool(tool) && !isReportStatusAction(tool)) {
return;
}
const isAction = tool.type === 'action' || isAndroidAction(tool) || isReportStatusAction(tool);
const toolTime = getItemTimestamp(
tool.timestamp ?? tool.start_time ?? tool.created_at,
fallbackTime
);
events.push({
type: 'tool',
type: isAction ? 'action' : 'tool',
data: tool,
timestamp: toolTime,
sequence: sequence++
@@ -1,7 +1,8 @@
import {
cleanErrorMessage,
getUniqueGenericTools,
getVideoAnalysisView
getVideoAnalysisView,
shouldShowTool
} from './tool-formatter.util';
describe('cleanErrorMessage', () => {
@@ -164,3 +165,38 @@ describe('video analysis timeline formatting', () => {
]);
});
});
describe('shouldShowTool (Option A Single Source of Truth)', () => {
it('keeps ADB commands visible even when stepData.action_taken is present', () => {
const adbTool = {
name: 'run_adb_command',
type: 'tool',
payload: { CommandLine: 'dumpsys telephony.registry' }
};
const stepData = {
action_taken: [{ action: 'wait_for_delay', time_in_ms: 1000 }]
};
expect(shouldShowTool(adbTool, stepData)).toBeTrue();
});
it('keeps explorer calls visible when stepData.action_taken is present', () => {
const explorerTool = {
name: 'ask_explorer',
type: 'tool'
};
const stepData = {
action_taken: [{ action: 'wait_for_delay', time_in_ms: 1000 }]
};
expect(shouldShowTool(explorerTool, stepData)).toBeTrue();
});
it('filters out internal plumbing tools', () => {
const plumbingTool = {
name: 'safety_net_pixel_validation',
type: 'tool'
};
expect(shouldShowTool(plumbingTool)).toBeFalse();
});
});
@@ -15,7 +15,6 @@
*/
import { ActionParam } from '../core/models/stream.model';
import { isAndroidAction, isReportStatusAction } from './action-formatter.util';
import { extractNumbersFromCoordinateValue, isPureDirectionString, parseSequenceCoordinates } from './image-overlay.util';
// Tool objects are replaced (not mutated) when a trace is updated, so a
@@ -276,24 +275,12 @@ export function isInternalPlumbingTool(tool: any): boolean {
/**
* Determines whether a tool invocation should be displayed in the timeline.
*/
export function shouldShowTool(tool: any, stepData?: any): boolean {
export function shouldShowTool(tool: any, _stepData?: any): boolean {
if (!tool || !tool.name) return false;
if (tool.type === 'llm_call') return false;
if (tool.type === 'agent') return false;
if (isInternalPlumbingTool(tool)) return false;
// If this tool is an operator/validator atomic action that duplicates stepData.action_taken, skip it
if (stepData && stepData.action_taken && isAndroidAction(stepData.action_taken) && isDeviceActionTool(tool)) {
const agentName = (tool.agent_name || tool.agent || '').toLowerCase();
const isSelfHealingOrSubAgent = agentName.includes('failure') ||
agentName.includes('analyzer') ||
agentName.includes('diagnos') ||
(agentName && agentName !== 'operator' && agentName !== 'flashrunner' && agentName !== 'validator');
if (!isSelfHealingOrSubAgent) {
return false;
}
}
return true;
}
+5
View File
@@ -16,6 +16,11 @@
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700&family=Roboto:wght@400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');
@import '@angular/cdk/overlay-prebuilt.css';
.cdk-overlay-container {
z-index: 1200 !important;
}
*, *::before, *::after {
box-sizing: border-box;
+5
View File
@@ -728,8 +728,13 @@ class RobustChatModelWrapper:
"llm_stream_reset",
{
"stream_exec_id": str(stream_exec_id),
"action": "discard",
"reason": "mid_stream_failure",
"error": str(stream_error)[:500],
"category": classify_failure(stream_error).category.value,
"message": (
"A request error occurred during output generation, typically caused by lower API priority. Retrying automatically..."
),
},
)
raise
+36
View File
@@ -204,3 +204,39 @@ async def test_acomplete_compat_path_for_plain_models():
result = await acomplete(InvokeOnly(), [])
assert result.content == "direct"
@pytest.mark.asyncio
async def test_mid_stream_failure_records_stream_reset_payload(monkeypatch):
recorded_events = []
def mock_record_event(name, payload, *, status="retrying"):
recorded_events.append((name, payload, status))
monkeypatch.setattr(llm_service, "_record_llm_event", mock_record_event)
class BreaksMidStream:
def __init__(self):
self.calls = 0
async def astream(self, *args, **kwargs):
self.calls += 1
if self.calls == 1:
yield AIMessageChunk(content="Partial thoughts...")
raise RuntimeError("503 high demand spike")
yield AIMessageChunk(content="Recovered output")
base = BreaksMidStream()
wrapper = RobustChatModelWrapper(base)
result = await wrapper.complete([])
assert result.content == "Recovered output"
resets = [e for e in recorded_events if e[0] == "llm_stream_reset"]
assert len(resets) == 1
event_name, payload, status = resets[0]
assert event_name == "llm_stream_reset"
assert payload["action"] == "discard"
assert payload["reason"] == "mid_stream_failure"
assert "stream_exec_id" in payload
assert "lower API priority" in payload["message"]