fix(deploy): cdc_resnapshot 清空 rwa_auth 的 processed_cdc_events

cdc_resnapshot 之前只清空 rwa_contribution 的幂等表，遗漏了 rwa_auth，
导致 wallet address CDC 重新快照后消息被幂等检查跳过，KAVA 地址无法重新同步。

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/deploy-mining.sh

@@ -777,13 +777,15 @@ cdc_resnapshot() {
         fi
     done
 
-    # Clear processed_cdc_events table
+    # Clear processed_cdc_events tables in all CDC consumer databases
     log_step "Clearing processed CDC events..."
-    if run_psql "rwa_contribution" "TRUNCATE TABLE processed_cdc_events;" 2>/dev/null; then
-        log_success "Truncated processed_cdc_events in rwa_contribution"
-    else
-        log_warn "Could not truncate processed_cdc_events (table may not exist)"
-    fi
+    for db in "rwa_contribution" "rwa_auth"; do
+        if run_psql "$db" "TRUNCATE TABLE processed_cdc_events;" 2>/dev/null; then
+            log_success "Truncated processed_cdc_events in $db"
+        else
+            log_warn "Could not truncate processed_cdc_events in $db (table may not exist)"
+        fi
+    done
 
     # For each CDC Postgres connector, save config, delete, and recreate
     log_step "Re-creating CDC Postgres connectors..."