Updated project documentation to reflect the completion of the `DevExpressPdfProcessor` implementation in Phase 3. Adjusted progress in `PROJECT_STATUS.md` to 75% and updated the overall progress to ~28%.
Documented the successful execution of all six tests for `DevExpressPdfProcessor` and added implementation details, including the use of `PdfDocumentProcessor` from `DevExpress.Document.Processor` (v26.1.3), exception handling, and metadata extraction. Deferred attachment handling to Phase 6 due to API limitations.
Updated the "Last Updated" date in `PROJECT_STATUS.md` and `ROADMAP.md` to **17.01.2025** and adjusted the estimated time effort for the implementation to ~2 days.