perf(app): stabilize live session timeline updates

Virtualize SessionDetail rows behind stable presentation boundaries and apply typed incremental patches only after visible commits. Preserve reader state across live updates, handle coalesced and reordered patches, and verify the 120Hz append path with Electron tracing.
2026-07-14 18:11:51 +08:00
parent 2cad3b554d
commit b58c34d3af
18 changed files with 1968 additions and 913 deletions
@@ -0,0 +1,58 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { assembleSessionMessages } from '../app/src/shared/session-detail-assembly.mjs';
+
+test('session assembly preserves thinking and attaches tool result and subagent evidence', () => {
+  const messages = [
+    { uuid: 'thinking-1', type: 'assistant', content_type: 'thinking', text: 'reasoning' },
+    { uuid: 'answer-1', type: 'assistant', content_type: 'text', text: 'answer' },
+    { uuid: 'tool-1', type: 'assistant', content_type: 'tool_use', text: '' },
+    { uuid: 'result-1', type: 'user', content_type: 'tool_result', text: '' },
+  ];
+  const assembled = assembleSessionMessages({
+    messages,
+    toolCalls: [{ id: 'call-1', message_uuid: 'tool-1', name: 'Agent', input_json: '{"description":"inspect"}' }],
+    toolResults: [{ tool_use_id: 'call-1', message_uuid: 'result-1', content: 'done', is_error: 0 }],
+    subagents: [{ agent_id: 'agent-1', parent_tool_use_id: 'call-1', agent_type: 'reviewer', description: 'inspect' }],
+    workflows: [],
+  });
+
+  assert.equal(assembled.length, 1);
+  assert.equal(assembled[0].uuid, 'answer-1');
+  assert.equal(assembled[0]._thinking, 'reasoning');
+  assert.deepEqual(assembled[0].tool_calls[0].result.content, 'done');
+  assert.equal(assembled[0].tool_calls[0].subagent.agent_id, 'agent-1');
+});
+
+test('session assembly keeps Skill evidence standalone and embeds matching workflow agents', () => {
+  const assembled = assembleSessionMessages({
+    messages: [
+      { uuid: 'skill-1', type: 'assistant', content_type: 'tool_use', text: '' },
+      { uuid: 'skill-md', type: 'user', content_type: 'text', is_meta: 1, text: 'Base directory for this skill\n# Skill' },
+      { uuid: 'workflow-1', type: 'assistant', content_type: 'tool_use', text: '' },
+    ],
+    toolCalls: [
+      { id: 'call-skill', message_uuid: 'skill-1', name: 'Skill', input_json: '{"skill":"obelisk"}' },
+      { id: 'call-workflow', message_uuid: 'workflow-1', name: 'Workflow', input_json: '{}' },
+    ],
+    toolResults: [{ tool_use_id: 'call-workflow', content: 'run-1 complete', is_error: 0 }],
+    subagents: [],
+    workflows: [{
+      run_id: 'run-1',
+      workflow_name: 'review',
+      status: 'complete',
+      agents: [{ agent_id: 'agent-1', phase: 'review', label: 'Reviewer', state: 'complete' }],
+    }],
+  });
+
+  assert.equal(assembled[0]._skillMd, 'Base directory for this skill\n# Skill');
+  assert.equal(assembled[1].tool_calls[0].workflow.run_id, 'run-1');
+  assert.deepEqual(assembled[1].tool_calls[0].workflow.agents, [{
+    agent_id: 'agent-1',
+    phase: 'review',
+    label: 'Reviewer',
+    state: 'complete',
+    tokens: undefined,
+    duration_ms: undefined,
+  }]);
+});