feat: add DEX job exception handling and configuration
Exceptions:
- DEXJobException: custom exception with formatted error messages
* Includes query name, batch ID, SQL query, and detailed error info
* Two constructors: with inner exception or reason message
* Comprehensive XML documentation
Options:
- DexJobOptions: hierarchical configuration for DEX job execution
* Error handling per stage (MainQuery, CheckQuery, ReCRequest)
* Granular error actions (OnExecution, IfNullOrWhiteSpace, OnUnexpectedResult)
* Placeholder configuration with regex pattern support
* Default BatchId placeholder: #INT#BATCH_ID (case-insensitive)
* Fully documented with XML comments
TekH
8a1a579501