feat: Add SHZ log inspection and HighGo database querying capabilities

- Introduced `inspect-shz-logs` skill for inspecting local and production logs with bounded read-only commands.
- Added `view.sh` script for log viewing with options for following logs and filtering by keywords.
- Created `query-shz-highgo` skill for querying the SHZ HighGo database through an SSH gateway.
- Implemented read-only SQL execution with strict controls on allowed statements and query structure.
- Added new domain and mapper classes for managing outdoor fair job associations.
- Enhanced `OutdoorFairController` to support job listing and management for outdoor fairs.
- Created SQL scripts for initializing outdoor fair job data and managing menu visibility.

.claude/skills/query-shz-highgo/references/connection.md

@@ -0,0 +1,12 @@
+# Connection reference
+
+- SSH gateway: `root@124.243.245.42`
+- HighGo client: `/opt/HighGo4.5.7-see/bin/psql`
+- Database endpoint: `39.98.44.136:6023`
+- Database: `highgo`
+- User: `sysdba`
+- Default schemas: `shz,public`
+- Detected server: HighGo Security Enterprise Edition Database System 4.5.10
+- Password source: `../.password`, mode `600`; override with `HIGHGO_PASSWORD_FILE`
+
+The SSH gateway must be reachable with the workstation's existing SSH key. Keep credentials out of commands, logs, responses, and `SKILL.md`.