chore: compose polish for Coolify + complete .env.example

.env.example

@@ -1,22 +1,27 @@
-# LLM Configuration
+# --- Server ---
+HOST=0.0.0.0
+PORT=8000
+LOG_LEVEL=info
+
+# --- LLM (LiteLLM provider/model) ---
 LLM_PROVIDER=openrouter
-LLM_API_KEY=sk-or-v1-xxx
+LLM_API_KEY=sk-or-v1-PLACEHOLDER-replace-before-deploy
 LLM_MODEL=anthropic/claude-3.5-sonnet
 LLM_API_BASE=
 
-# MCP Tool Server — URL MUST include the /mcp path (FastMCP HTTP transport).
-# Example: http://mcp-tools:8501/mcp  (the docker-compose default already includes /mcp)
+# --- MCP Tool Server ---
+# URL MUST include the /mcp path (FastMCP HTTP transport).
 MCP_SERVER_URL=http://mcp-tools:8501/mcp
+MCP_TIMEOUT=10
 
-# Auth (CHANGE THIS — must be >=32 chars, must NOT be the default below)
+# --- Auth (B1 Boot Guard: must be >=32 chars, NOT 'change-me-in-production') ---
 # Generate one with: python -c "import secrets;print(secrets.token_urlsafe(32))"
-AUTH_TOKEN=change-me-to-something-secure
+AUTH_TOKEN=change-me-in-production
 
-# Logging
-LOG_LEVEL=info
+# --- Storage ---
+DB_PATH=/data/agent-platform.db
 
-# Limits
+# --- Limits ---
 MAX_HISTORY_MESSAGES=10
 MAX_PARALLEL_AGENTS=5
 AGENT_IDLE_TIMEOUT_SEC=300
-MCP_TIMEOUT=10