Agent skill

event-log

JSONL event stream for external integrations and hooks

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Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/event-log

SKILL.md

Event Log

JSONL-based event logging for external program integration. Events mirror database event creation and enable hooks similar to Claude Code's event system.

Purpose

  • Emit structured events for external consumers
  • Enable hook-based integrations
  • Mirror the database event stream

Log Location

  • Default: .ikigai/logs/current.log
  • Override: $IKIGAI_LOG_DIR/current.log

APIs

DI-Based (Preferred)

c
#include "logger.h"

// Create logger with explicit context
ik_logger_t *logger = ik_logger_create(ctx, working_dir);

// Create and emit event
yyjson_mut_doc *doc = ik_log_create();
yyjson_mut_val *root = yyjson_mut_doc_get_root(doc);
yyjson_mut_obj_add_str(doc, root, "event", "chunk_received");
yyjson_mut_obj_add_int(doc, root, "bytes", len);
ik_logger_debug_json(logger, doc);  // Takes ownership, frees doc

Legacy Global (Migration)

c
// Initialize once
ik_log_init(working_dir);

// Emit events
yyjson_mut_doc *doc = ik_log_create();
// ... populate doc ...
ik_log_debug_json(doc);  // Takes ownership

// Shutdown
ik_log_shutdown();

Log Levels

Level Function Purpose
debug ik_logger_debug_json() Verbose event tracing
info ik_logger_info_json() Normal operations
warn ik_logger_warn_json() Recoverable issues
error ik_logger_error_json() Failures
fatal ik_logger_fatal_json() Calls exit(1) after logging

Output Format

Each line is a JSON object:

json
{"level":"debug","timestamp":"2025-01-15T10:30:00.123-05:00","logline":{"event":"chunk_received","bytes":1024}}

Inspecting Events

bash
tail -f .ikigai/logs/current.log

Source Files

  • src/logger.h - API declarations
  • src/logger.c - Implementation

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