docs / familias / log

log — Service events / incident records

Structured events emitted by services: timestamp, level, service, code, message, tags, trace id and optional duration.

Dominio
operations / observability
Versión
1
Padre
— (raíz)
Clave de registros
events
Separador de lista
,
Archivo
forks/log/contract.json

Campos por posición

#TipoDescripciónParte
tsstrISO-8601 UTC timestampnúcleo
levelenum (valores: DEBUG, INFO, WARN, ERROR, CRITICAL)núcleo
servicestrnúcleo
codestrnúcleo
messagestrnúcleo
tagslist (max: 10)núcleo
tracestr (optional: True)núcleo
duration_msint (optional: True)núcleo

Ejemplo válido

log|n=12|d=20260603|env=staging|host=sima-app-01
2026-06-03T08:00:01Z|INFO|web|HTTP200|GET /dashboard served|user:26|t-1001|42
2026-06-03T08:00:05Z|INFO|worker|JOB_START|LessonJob 64 started stage transcribe|job:64,stage:transcribe|t-1002|
2026-06-03T08:02:11Z|WARN|worker|ASR_SLOW|Whisper took longer than budget|job:64|t-1002|126000
2026-06-03T08:02:12Z|INFO|worker|JOB_STAGE|stage generate started with 16 chunks|job:64,stage:generate|t-1002|
2026-06-03T08:05:40Z|ERROR|llm|NUL_CHAR|NUL character in model output; sanitized|job:64,chunk:7|t-1002|
2026-06-03T08:05:41Z|INFO|worker|MINI_PARSE|150 records parsed, 22 flagged incoherent|job:64|t-1002|310
2026-06-03T08:06:02Z|INFO|verify|WEB_CTX|6 queries, 4 results, 2 usable sources|job:64|t-1002|8900
2026-06-03T08:06:30Z|ERROR|llm|CTX_OVERFLOW|verification prompt exceeds context; truncated|job:64|t-1002|
2026-06-03T08:07:00Z|INFO|worker|JOB_DONE|LessonJob 64 finished|job:64|t-1002|419000
2026-06-03T08:10:15Z|WARN|web|HTTP404|GET /clase/999/ not found|user:12|t-1003|5
2026-06-03T08:12:00Z|CRITICAL|llm|ENDPOINT_DOWN|local API base unreachable; retry scheduled|endpoint:8003|t-1004|
2026-06-03T08:12:30Z|INFO|llm|ENDPOINT_UP|local API base healthy after retry|endpoint:8003|t-1004|

Cárgalo en el playground o valida con mini validate forks/log/fixtures/valid.mini.

Notas de la familia

.mini-log — Service events / incident records#

Prefix: log Version: 1 Parent:Domain: operations / observability

Structured events emitted by services: timestamp, level, service, code, message, tags, trace id and optional duration.

Record layout#

ts:str | level:enum{DEBUG|INFO|WARN|ERROR|CRITICAL} | service:str | code:str | message:str | tags:list<str>[0..10] | trace:str? | duration_ms:int[0..]?
# field type notes
1 ts str core; ISO-8601 UTC timestamp
2 level enum{DEBUG|INFO|WARN|ERROR|CRITICAL} core
3 service str core
4 code str core
5 message str core
6 tags list<str>[0..10] core
7 trace str? core; optional
8 duration_ms int[0..]? core; optional

Header keys#

key type required description
d str no generation date YYYYMMDD
env str no
host str no
n int yes number of records
v int no contract version

Example#

log|n=12|d=20260603|env=staging|host=sima-app-01
2026-06-03T08:00:01Z|INFO|web|HTTP200|GET /dashboard served|user:26|t-1001|42
2026-06-03T08:00:05Z|INFO|worker|JOB_START|LessonJob 64 started stage transcribe|job:64,stage:transcribe|t-1002|
…

Fixtures#

fixtures/valid.minifixtures/canonical.json (round-trip), fixtures/escaping.minifixtures/escaping.json, and the negative cases bad_count.mini, bad_arity.mini, bad_type.mini.

Prompt block#

Generate the transferable specification with mini prompt log.