Agent skill

wsc-chronicle

Emit and query WSC chronicle events. Use when recording world events, checking event history, tracing causality chains, or finding events by type, location, or participants.

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

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

SKILL.md

WSC Chronicle Management

The chronicle is an append-only event log that records everything that happens in the world. Events are stored in NDJSON format (one JSON object per line).

Event Structure

json
{
  "id": "evt_10001",
  "t_world": 1042,
  "t_scale": "galactic",
  "t_local": 8.0,
  "t_parent": null,
  "t_depth": 0,
  "t_stream": "02:14:33",
  "type": "battle.resolved",
  "where": "region.vega",
  "who": ["force.7th_fleet", "force.raiders"],
  "data": { /* event-specific payload */ },
  "causes": ["evt_10000"],
  "source": "lens.galactic",
  "confidence": 0.95,
  "importance": 0.8,
  "narrative_summary": "Human-readable description..."
}

Hierarchical Time System

Events use hierarchical time to support recursive drill-downs across simulation scales:

Field Description
t_world Parent tick at the top simulation level (integer)
t_scale Which simulation scale generated this event: galactic, continental, city, scene, action
t_local Local time within the current scale's context (optional)
t_parent Event ID that triggered this drill-down (for sub-scale events)
t_depth Nesting depth: 0 = top level, 1 = first drill-down, 2 = drill-down within drill-down, etc.

Example Flow

  1. Galactic tick 1000: galactic-4x creates opportunity evt_10500
  2. Scene drill-down: party-rpg resolves scene, emits evt_10501:
    json
    { "t_world": 1000, "t_scale": "scene", "t_local": 15.5, "t_parent": "evt_10500", "t_depth": 1 }
  3. Action drill-down: action-sim resolves combat within scene, emits evt_10502:
    json
    { "t_world": 1000, "t_scale": "action", "t_local": 47.2, "t_parent": "evt_10501", "t_depth": 2 }

Event Types

Family Types Description
Governance treaty.signed, control.changed, election.held Political events
Economy shortage.started, route.established, trade.completed Economic events
Conflict conflict.started, battle.resolved, asset.captured Military events
Discovery anomaly.discovered, artifact.recovered Exploration events
Character agent.promoted, agent.killed, agent.defected Character events
Settlement infrastructure.completed, unrest.spike City/locale events
Scene dialogue.occurred, skill_check.attempted, secret.revealed RPG events
Opportunity opportunity.created, opportunity.resolved Drill-down hooks

Commands

Emit an Event

bash
# Top-level galactic event
npx tsx .claude/skills/wsc-chronicle/scripts/emit.ts \
  --type battle.resolved \
  --where region.vega \
  --who force.7th_fleet,force.raiders \
  --data '{"outcome": "raider_victory"}' \
  --scale galactic \
  --importance 0.8 \
  --summary "Raiders ambushed the 7th Fleet..."

# Scene drill-down event
npx tsx .claude/skills/wsc-chronicle/scripts/emit.ts \
  --type dialogue.occurred \
  --where locale.port_nexus \
  --who agent.reva,agent.zara \
  --scale scene \
  --parent evt_10500 \
  --t-local 15.5 \
  --depth 1 \
  --importance 0.5

# Action drill-down within scene
npx tsx .claude/skills/wsc-chronicle/scripts/emit.ts \
  --type combat.round \
  --where locale.port_nexus \
  --who agent.reva,agent.assassin \
  --scale action \
  --parent evt_10501 \
  --t-local 47.2 \
  --depth 2 \
  --importance 0.6

Query Events

bash
# Recent events
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --last 10

# By type
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --type battle.resolved

# By location
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --where region.vega

# By participant
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --who agent.captain_reva

# By importance threshold
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --min-importance 0.7

# Time range
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --after 1040 --before 1050

Query by Scale

bash
# Only top-level galactic events
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --scale galactic

# Only scene-level events
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --scale scene

# Events drilled down from a specific event
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --parent evt_10500

# Only top-level events (depth 0)
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --depth 0

# Show event tree (event and all descendants)
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --tree evt_10500

Trace Causality

bash
# Find what caused an event
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --causes-of evt_10492

# Find what an event caused
npx tsx .claude/skills/wsc-chronicle/scripts/query.ts --caused-by evt_10311

Importance Scores

Events carry an importance score (0-1) used for artifact generation:

Score Meaning Examples
0.9+ Major turning point War declared, leader killed
0.7-0.9 Significant Battle won, alliance formed
0.5-0.7 Notable Skirmish, trade deal
0.3-0.5 Minor Patrol, routine event
<0.3 Background Ambient events

File Location

  • Chronicle: src/worlds/{active_world}/chronicle.ndjson
  • Example events: src/examples/events/

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