WIP: bootstrap and partial real Solana watcher implementation

.env.example

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+# System Environment
+NODE_ENV=development
+APP_VERSION=1.0.0
+GIT_COMMIT=local-dev
+
+# Logging Configuration (pino)
+# Levels: fatal, error, warn, info, debug, trace, silent
+LOG_LEVEL=info
+
+# Solana Connection Endpoints (for future integration)
+SOLANA_RPC_ENDPOINT=https://api.mainnet-beta.solana.com
+SOLANA_WSS_ENDPOINT=wss://api.mainnet-beta.solana.com
+
+# PostgreSQL Database Connection
+# Format: postgres://username:password@host:port/database_name
+DATABASE_URL=postgres://postgres:postgres@localhost:5432/memecoin_bot
+
+# InfluxDB Configuration
+INFLUXDB_URL=http://localhost:8086
+INFLUXDB_TOKEN=my-super-secret-auth-token
+INFLUXDB_ORG=my-org
+INFLUXDB_BUCKET=memecoin-bot-metrics
+
+# Watcher Configuration
+# Comma-separated list of public keys to watch
+WATCHED_WALLETS=3yF9asA9B7G3Y1G7as78gHJKa7A,4yF9asA9B7G3Y1G7as78gHJKa7B
+
+# Watcher Mode: real or mock
+WALLET_WATCHER_MODE=real
+
+# Latency Simulation Configuration
+# Comma-separated list of latency values in milliseconds to simulate simultaneously
+# Supported values: 0, 1000, 3000, 5000, 10000
+LATENCY_SCENARIOS=0,1000,3000,5000,10000
+
+# Simulation Accounting
+# Use SOL as the primary simulation accounting unit
+SIMULATION_STARTING_BALANCE_SOL=1.0
+SIMULATED_POSITION_SIZE_SOL=0.05