Deckbuilder MCP Server

# Architecture & Workflow The generation pipeline, end-to-end: ```mermaid flowchart LR A[Markdown / JSON input] --> B[YAML frontmatter parse] B --> C[Deckbuilder Engine] C --> D[Template Resolver\n(default.pptx + default.json)] C --> E[Image Pipeline\n(generate/crop/embed)] C --> F[Language & Font Mapper] D --> G[PPTX Builder] E --> G F --> G G --> H[.pptx output] ``` **Key points** - Inputs can be Markdown (with YAML frontmatter) or JSON. - Template resolver merges content with `default.pptx` + layout JSON. - Image pipeline can generate/crop assets and embed directly. - Proofing language and default font are applied per deck.