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fix(observabilidade): stream cleanup, outcome logic e NaN guard no parser

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This commit is contained in:
Emanuel Almeida
2026-04-23 00:50:33 +01:00
parent 26b631bbd6
commit bd954f4841
2 changed files with 100 additions and 70 deletions
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api/services/sessions/parser.ts
+79 -70
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@@ -46,11 +46,11 @@ function classifyEventType(raw: Record<string, unknown>): SessionEventType {
function deriveOutcome(events: SessionEvent[]): SessionOutcome {
if (events.length === 0) return 'unknown'
const last = events[events.length - 1]
if (last.type !== 'assistant') return 'interrupted'
const raw = last.raw as { message?: { stop_reason?: string } }
if (last.type === 'assistant' && raw.message?.stop_reason && raw.message.stop_reason !== 'end_turn' && raw.message.stop_reason !== 'tool_use') {
if (raw.message.stop_reason === 'error') return 'error'
}
if (last.type === 'assistant') return 'completed'
const stopReason = raw.message?.stop_reason
if (stopReason === 'error') return 'error'
if (stopReason === 'end_turn' || stopReason === 'tool_use' || !stopReason) return 'completed'
return 'interrupted'
}
@@ -71,89 +71,98 @@ export async function parseSessionFile(jsonlPath: string): Promise<ParseResult>
let lastTs: string | null = null
let idx = 0
for await (const line of rl) {
if (!line.trim()) continue
let raw: Record<string, unknown>
try {
raw = JSON.parse(line)
} catch {
continue
}
const type = classifyEventType(raw)
const timestamp = typeof raw.timestamp === 'string' ? raw.timestamp : null
if (timestamp) {
if (!firstTs) firstTs = timestamp
lastTs = timestamp
}
if (type === 'permission-mode' && typeof raw.permissionMode === 'string') {
permissionMode = raw.permissionMode
}
if (typeof raw.sessionId === 'string') sessionId = raw.sessionId
const text = extractText((raw as { message?: unknown }).message)
let toolName: string | null = null
let toolInput: Record<string, unknown> | null = null
let toolResult: unknown = null
if (type === 'assistant' && raw.message && typeof raw.message === 'object') {
const content = (raw.message as { content?: unknown[] }).content
if (Array.isArray(content)) {
for (const part of content) {
if (part && typeof part === 'object' && 'type' in part) {
const p = part as { type: string; name?: string; input?: Record<string, unknown> }
if (p.type === 'tool_use' && typeof p.name === 'string') {
toolCalls++
toolsUsed.add(p.name)
toolName = p.name
toolInput = p.input ?? null
}
}
}
try {
for await (const line of rl) {
if (!line.trim()) continue
let raw: Record<string, unknown>
try {
raw = JSON.parse(line)
} catch {
continue
}
assistantMsgs++
}
if (type === 'user') {
userMessages++
if (!firstPrompt && text && !text.startsWith('<') && text.length > 0) {
firstPrompt = text.slice(0, 500)
const type = classifyEventType(raw)
const timestamp = typeof raw.timestamp === 'string' ? raw.timestamp : null
if (timestamp) {
if (!firstTs) firstTs = timestamp
lastTs = timestamp
}
if (raw.message && typeof raw.message === 'object') {
if (type === 'permission-mode' && typeof raw.permissionMode === 'string') {
permissionMode = raw.permissionMode
}
if (typeof raw.sessionId === 'string') sessionId = raw.sessionId
const text = extractText((raw as { message?: unknown }).message)
let toolName: string | null = null
let toolInput: Record<string, unknown> | null = null
let toolResult: unknown = null
if (type === 'assistant' && raw.message && typeof raw.message === 'object') {
const content = (raw.message as { content?: unknown[] }).content
if (Array.isArray(content)) {
for (const part of content) {
if (part && typeof part === 'object' && 'type' in part) {
const p = part as { type: string; content?: unknown }
if (p.type === 'tool_result') toolResult = p.content
const p = part as { type: string; name?: string; input?: Record<string, unknown> }
if (p.type === 'tool_use' && typeof p.name === 'string') {
toolCalls++
toolsUsed.add(p.name)
toolName = p.name
toolInput = p.input ?? null
}
}
}
}
assistantMsgs++
}
if (type === 'user') {
userMessages++
if (!firstPrompt && text && !text.startsWith('<') && text.length > 0) {
firstPrompt = text.slice(0, 500)
}
if (raw.message && typeof raw.message === 'object') {
const content = (raw.message as { content?: unknown[] }).content
if (Array.isArray(content)) {
for (const part of content) {
if (part && typeof part === 'object' && 'type' in part) {
const p = part as { type: string; content?: unknown }
if (p.type === 'tool_result') toolResult = p.content
}
}
}
}
}
const skill = detectSkillInvoked(text)
if (skill) skillsInvoked.add(skill)
const hook = detectHook(text)
events.push({
index: idx++,
type,
timestamp,
raw,
text,
tool_name: toolName,
tool_input: toolInput,
tool_result: toolResult,
skill_invoked: skill,
hook_name: hook,
})
}
const skill = detectSkillInvoked(text)
if (skill) skillsInvoked.add(skill)
const hook = detectHook(text)
events.push({
index: idx++,
type,
timestamp,
raw,
text,
tool_name: toolName,
tool_input: toolInput,
tool_result: toolResult,
skill_invoked: skill,
hook_name: hook,
})
} finally {
rl.close()
stream.destroy()
}
if (!sessionId) {
sessionId = basename(jsonlPath, '.jsonl')
}
const durationSec = firstTs && lastTs ? Math.max(0, Math.round((Date.parse(lastTs) - Date.parse(firstTs)) / 1000)) : null
let durationSec: number | null = null
if (firstTs && lastTs) {
const diff = Date.parse(lastTs) - Date.parse(firstTs)
if (Number.isFinite(diff)) durationSec = Math.max(0, Math.round(diff / 1000))
}
const outcome = deriveOutcome(events)
const stats = statSync(jsonlPath)