(Init): Added shit

.env.example

@@ -1,6 +1,24 @@
-# Elly Discord Bot Environment Variables
-# ========================================
+# Elly Discord Bot — Environment Variables
+# =========================================
+#
+# Copy this file to `.env` and fill in real values. Both `@elly/core` and
+# `@elly/bot` validate their environment with Zod at boot — missing or
+# malformed values will abort the process before any side effects occur.
 
-# Discord Bot Token (required)
-# Get this from https://discord.com/developers/applications
+# ---- Shared (both crates) ----
+# Controls log formatting and other dev-vs-prod behaviour.
+NODE_ENV=development
+
+# Optional: override the level from [logging] in config.toml.
+# One of: debug | info | warn | error | fatal
+# LOG_LEVEL=debug
+
+# ---- @elly/bot ----
+# Discord bot token. Get it from https://discord.com/developers/applications.
 DISCORD_TOKEN=your_discord_bot_token_here
+
+# ---- IPC (shared between @elly/core and @elly/bot) ----
+# Shared secret used to authenticate Bot -> Core HTTP requests.
+# Must be the same value in both processes. Use a long random string.
+# Generate one with: `openssl rand -hex 32`
+IPC_TOKEN=change-me-to-a-long-random-secret-of-at-least-16-chars