feat(deploy): 注册 presence-service-2 到 deploy-mining.sh

- MINING_SERVICES 追加 presence-service-2 (port 3027)
- SERVICE_ALIASES 追加 presence / presence2 快捷名
- MINING_DATABASES 追加 rwa_mining_presence
- SERVICE_DB / SERVICE_PORTS 映射表同步更新

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/services/deploy-mining.sh

@@ -72,6 +72,7 @@ MINING_SERVICES=(
     "auth-service"
     "mining-wallet-service"
     "mining-blockchain-service"
+    "presence-service-2"
 )
 
 # Service Aliases
@@ -84,6 +85,8 @@ declare -A SERVICE_ALIASES=(
     ["auth"]="auth-service"
     ["wallet"]="mining-wallet-service"
     ["blockchain"]="mining-blockchain-service"
+    ["presence"]="presence-service-2"
+    ["presence2"]="presence-service-2"
 )
 
 # 2.0 Databases
@@ -95,6 +98,7 @@ MINING_DATABASES=(
     "rwa_auth"
     "rwa_mining_wallet"
     "rwa_mining_blockchain"
+    "rwa_mining_presence"
 )
 
 # Service to Database mapping
@@ -106,6 +110,7 @@ declare -A SERVICE_DB=(
     ["auth-service"]="rwa_auth"
     ["mining-wallet-service"]="rwa_mining_wallet"
     ["mining-blockchain-service"]="rwa_mining_blockchain"
+    ["presence-service-2"]="rwa_mining_presence"
 )
 
 # 2.0 Ports
@@ -117,6 +122,7 @@ declare -A SERVICE_PORTS=(
     ["auth-service"]="3024"
     ["mining-wallet-service"]="3025"
     ["mining-blockchain-service"]="3026"
+    ["presence-service-2"]="3027"
 )
 
 # CDC Consumer Groups (all groups that need to be reset during full-reset)