[buildAboutArtUI()] generates artwork summary UI with thumbnail, AI-generated description, and style tags when pipeline completes.
[ckfile()] validates file upload structure, size (>500 bytes), and extension match for robust input checking.
[image_hash_exists()] prevents duplicate artwork uploads by checking perceptual image hashes against existing artworks in platform database.
[new_art_modal_ui()] provides a two-step wizard for guided artwork submission with validation at each step.
[new_pipeline_task()] creates async processing tasks that run pipeline in background without blocking Shiny session.
[run_pipeline()] orchestrates complete artwork processing using {future} and {promises} for async execution.
[updateProjectUI()] and [updateProjectServer()] manage artwork purchase links including print store URLs and OpenSea NFT links.
[validator_step_1()] and [validator_step_2()] provide comprehensive input validation using {shinyvalidate} for multi-step wizard.
Documentation
All 20 exported functions now have comprehensive roxygen2 documentation with WHY-focused descriptions, complete @param/@return blocks, @examples, and @seealso cross-links.
Created four vignettes: Get Started, Processing Pipeline, Validation Framework, and Wizard Workflow for developer guidance.
Enhanced README.md with system requirements (11 libraries), environment variables, package hierarchy, and complete quick start guide.
Added pkgdown site configuration with {templ.pkgdown} template and 8 reference groups organized by @family tags.
Created params-shared.R for @inheritParams documentation reuse across module functions.
Internal changes
CSS refinements minimize !important usage for better style composability.
File input inline display layout improved with flexbox.
Migrated to {artshiny} for shared UI components.
Modal selectors made namespace-agnostic to prevent module conflicts.
