Fix RPC block production override and restore coordinator env vars after consolidation

apps/blockchain-node/src/aitbc_chain/app.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import asyncio
+import os
 import time
 from collections import defaultdict
 from contextlib import asynccontextmanager
@@ -101,9 +102,15 @@ async def lifespan(app: FastAPI):
     )
     await gossip_broker.set_backend(backend)
     proposers = []
+    block_production_override = os.getenv("enable_block_production")
+    if block_production_override is None:
+        block_production_override = os.getenv("ENABLE_BLOCK_PRODUCTION")
+    block_production_enabled = settings.enable_block_production
+    if block_production_override is not None:
+        block_production_enabled = block_production_override.strip().lower() in {"1", "true", "yes", "on"}
     
     # Initialize PoA proposer for mining integration
-    if settings.enable_block_production and settings.proposer_id:
+    if block_production_enabled and settings.proposer_id:
         try:
             from .consensus import PoAProposer, ProposerConfig
             supported_chains = [c.strip() for c in settings.supported_chains.split(",") if c.strip()]

examples/deploy.env.example

@@ -0,0 +1 @@
+../scripts/deployment/deploy/.env.deploy.example

systemd/aitbc-blockchain-rpc.service

@@ -9,10 +9,10 @@ Group=root
 WorkingDirectory=/opt/aitbc/apps/blockchain-node
 EnvironmentFile=/etc/aitbc/.env
 EnvironmentFile=/etc/aitbc/node.env
-Environment=enable_block_production=false
 Environment=PATH=/usr/bin:/usr/local/bin:/usr/bin:/bin
 Environment=PYTHONPATH=/opt/aitbc/apps/blockchain-node/src:/opt/aitbc/apps/blockchain-node/scripts
-ExecStart=/opt/aitbc/venv/bin/python -m uvicorn aitbc_chain.app:app --host ${rpc_bind_host} --port ${rpc_bind_port}
+UnsetEnvironment=enable_block_production ENABLE_BLOCK_PRODUCTION
+ExecStart=/usr/bin/env enable_block_production=false /opt/aitbc/venv/bin/python -m uvicorn aitbc_chain.app:app --host ${rpc_bind_host} --port ${rpc_bind_port}
 Restart=always
 RestartSec=5
 StandardOutput=journal