fix: complete .env.example with all required variables

Author: jonathanglasmeyer

discord-server/.env.example

@@ -2,5 +2,14 @@
 DISCORD_BOT_TOKEN=your_discord_bot_token_here
 DISCORD_INBOX_CHANNEL_ID=your_channel_id_here
 
-# Claude Configuration
-OBSIDIAN_VAULT_PATH=/Users/jonathan.glasmeyer/Projects/obsidian-vault
+# Claude Code Configuration
+CLAUDE_CODE_OAUTH_TOKEN=your_claude_oauth_token_here
+OBSIDIAN_VAULT_PATH=/path/to/your/obsidian-vault
+
+# Application Configuration
+PORT=3001
+NODE_ENV=development
+
+# Redis Configuration
+REDIS_URL=redis://localhost:6379
+REDIS_TTL_SECONDS=86400