# OpenBrain MCP Server Configuration
# Copy this to .env and fill in your values

# Server Configuration
OPENBRAIN__SERVER__HOST=0.0.0.0
OPENBRAIN__SERVER__PORT=3100

# Database Configuration (PostgreSQL with pgvector)
# This role should own the OpenBrain database objects that migrations manage.
OPENBRAIN__DATABASE__HOST=localhost
OPENBRAIN__DATABASE__PORT=5432
OPENBRAIN__DATABASE__NAME=openbrain
OPENBRAIN__DATABASE__USER=openbrain_svc
OPENBRAIN__DATABASE__PASSWORD=your_secure_password_here
OPENBRAIN__DATABASE__POOL_SIZE=10

# Embedding Configuration
# Path to ONNX model directory (all-MiniLM-L6-v2)
OPENBRAIN__EMBEDDING__MODEL_PATH=models/all-MiniLM-L6-v2
OPENBRAIN__EMBEDDING__DIMENSION=384

# Hybrid query scoring
OPENBRAIN__QUERY__VECTOR_WEIGHT=0.6
OPENBRAIN__QUERY__TEXT_WEIGHT=0.4
# Backward-compatible plain env aliases
# VECTOR_WEIGHT=0.6
# TEXT_WEIGHT=0.4

# Ingest deduplication
OPENBRAIN__DEDUP__THRESHOLD=0.90
# Backward-compatible plain env alias
# DEDUP_THRESHOLD=0.90

# TTL / transient facts
# Background cleanup interval in seconds. Set to 0 to disable automatic cleanup.
OPENBRAIN__TTL__CLEANUP_INTERVAL_SECONDS=300

# Authentication (optional)
OPENBRAIN__AUTH__ENABLED=false
# Comma-separated list of persistent API keys
# OPENBRAIN__AUTH__API_KEYS=prod_live_key,smoke_test_key

# Logging
RUST_LOG=info,openbrain_mcp=debug

# Truth Engine (optional)
# Enable the background truth scoring worker. When enabled, stored memories
# are continuously evaluated for truthfulness using PLN deduction, ECAN
# attention economy, and cross-referencing against related memories.
OPENBRAIN__TRUTH__ENABLED=false
# Seconds between scoring cycles (default: 300 = 5 minutes)
OPENBRAIN__TRUTH__SCORING_INTERVAL_SECONDS=300
# Number of memories to score per cycle (default: 50)
OPENBRAIN__TRUTH__BATCH_SIZE=50
# Seconds before a scored memory is re-evaluated (default: 86400 = 24 hours)
OPENBRAIN__TRUTH__RESCORE_AFTER_SECONDS=86400
# PLN base confidence for deduction chains (0.0–1.0, default: 0.85)
OPENBRAIN__TRUTH__PLN_BASE_CONFIDENCE=0.85
# ECAN STI decay rate per cycle (0.0–1.0, default: 0.95)
OPENBRAIN__TRUTH__ECAN_DECAY_RATE=0.95
# ECAN attention spread factor (default: 0.05)
OPENBRAIN__TRUTH__ECAN_SPREAD_FACTOR=0.05
# Similarity threshold for contradiction detection (0.0–1.0, default: 0.85)
OPENBRAIN__TRUTH__CONTRADICTION_THRESHOLD=0.85
# Truth value threshold for "verified" categorization (0.0–1.0, default: 0.8)
OPENBRAIN__TRUTH__VERIFICATION_THRESHOLD=0.8
# Max related memories to cross-reference per scoring (default: 10)
OPENBRAIN__TRUTH__CROSS_REF_LIMIT=10