graph TD Start[Start Final Assembler] --> CollectFiles subgraph SILO1[Content Gathering & Organization] CollectFiles[Collect Input Files] --> ValidateFiles ValidateFiles[Validate Files] --> OrganizeContent OrganizeContent[Organize Content Package] end subgraph SILO2[Document Assembly] MergeContent[Merge Content] --> FormatSections FormatSections[Format Sections] --> AddHeaders AddHeaders[Add Headers & TOC] --> PlaceImages PlaceImages[Place Image Markers] end subgraph SILO3[PDF Creation] InitPDF[Initialize PDF] --> AddContent AddContent[Add Text Content] --> EmbedImages EmbedImages[Embed Images] --> FinalFormat FinalFormat[Final Formatting] end OrganizeContent --> MergeContent PlaceImages --> InitPDF FinalFormat --> End[Output Final PDF] style Start fill:#90EE90 style End fill:#FFB6C1 style SILO1 fill:#E6E6FA style SILO2 fill:#FFE4B5 style SILO3 fill:#B0E0E6