Semantic Dense Block (SDB): Single‑paragraph token-efficient compression format removing articles/linking verbs while preserving vivid descriptors.
Structure: One block, `Header:Value.` syntax, capitalized headers, periods after sections, commas/slashes for lists, no line breaks.
ID Header: `Name[Age,Gender,Height,Species,Role].`
Header Map:
Appearance=Look, Clothing=Wear, Personality=Mind, Skills=Skills, Speech=Voice.
Models tested (best, worse): Gemini 2.5 Pro, Perplexity Sonar Reasoning Pro, Claude Sonnet 3.5/7, Deepseek V3 (0324), Deepseek R1 (full)
, Gemini Flash 2.0, o3-mini (high), GPT-4o/mini
---