feat: add inspect-shz-logs skill for log inspection and monitoring

- Implemented a new skill to inspect and follow SHZ backend logs with bounded read-only commands.
- Added scripts for viewing local and production logs, including options for following logs.
- Created references for log locations and usage guidelines.

feat: add query-shz-highgo skill for database querying

- Introduced a skill to query the SHZ HighGo database through an SSH gateway using a read-only psql workflow.
- Included scripts for executing SQL queries and schema discovery.
- Added connection details and usage instructions.

feat: add OutdoorFairBooth domain and mapper

- Created OutdoorFairBooth domain model with relevant fields and annotations.
- Implemented a mapper interface for physical deletion of records based on fair ID.

feat: create SQL scripts for cms_outdoor_fair_booth

- Added SQL script to create the cms_outdoor_fair_booth table and its associated sequence.
- Included comments for clarity and compatibility with historical data.
- Added a script to drop the cms_venue_booth table after migration confirmation.

.codex/skills/query-shz-highgo/scripts/query.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+skill_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+password_file="${HIGHGO_PASSWORD_FILE:-$skill_dir/.password}"
+
+ssh_host="root@124.243.245.42"
+psql_path="/opt/HighGo4.5.7-see/bin/psql"
+db_host="39.98.44.136"
+db_port="6023"
+db_name="highgo"
+db_user="sysdba"
+
+if [[ ! -r "$password_file" ]]; then
+  echo "HighGo password file is missing or unreadable: $password_file" >&2
+  exit 2
+fi
+
+if [[ $# -eq 0 ]]; then
+  echo "Usage: $0 'SELECT ...'" >&2
+  exit 2
+fi
+
+sql="$*"
+if [[ ! "$sql" =~ ^[[:space:]]*(SELECT|select|WITH|with|SHOW|show|EXPLAIN|explain)([[:space:]]|$) ]]; then
+  echo "Rejected: only SELECT, WITH, SHOW, and EXPLAIN queries are allowed." >&2
+  exit 3
+fi
+
+sql_without_final_semicolon="${sql%;}"
+if [[ "$sql_without_final_semicolon" == *';'* ]]; then
+  echo "Rejected: multiple SQL statements are not allowed." >&2
+  exit 3
+fi
+
+password="$(<"$password_file")"
+sql_base64="$(printf '%s' "$sql" | base64 | tr -d '\n')"
+
+{
+  printf '%s\n' "$password"
+  printf '%s\n' "$sql_base64"
+} | ssh -o BatchMode=yes -o ConnectTimeout=10 "$ssh_host" \
+  "read -r PGPASSWORD; read -r SQL_BASE64; export PGPASSWORD; export PGOPTIONS='-c default_transaction_read_only=on -c search_path=shz,public -c statement_timeout=30000'; SQL=\$(printf '%s' \"\$SQL_BASE64\" | base64 -d); exec '$psql_path' -X --no-psqlrc -h '$db_host' -p '$db_port' -U '$db_user' -d '$db_name' -v ON_ERROR_STOP=1 -P pager=off -c \"\$SQL\""