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/inspect-shz-logs/references/log-locations.md

@@ -0,0 +1,19 @@
+# Log locations
+
+## Local
+
+- Main log: `<project>/.local/logs/backend.log`
+- Producer: `<project>/local.sh`
+
+## Production: shz
+
+- SSH: `root@39.98.44.136:6022`
+- Application: `/opt/service/project/shz-backend/ruoyi-admin/target/ruoyi-admin.jar`
+- Profile: `dev`
+- HTTP port: `9091`
+- Main process log: `/opt/service/project/shz-backend/logs/backend.log`
+- Current error log: `/opt/service/project/shz-backend/logs/sys-error.log`
+- Current info log: `/opt/service/project/shz-backend/logs/sys-info.log`
+- Current user log: `/opt/service/project/shz-backend/logs/sys-user.log`
+
+Use only the bundled read-only viewer. Rotated files use date suffixes but are intentionally not exposed by the default script.