Add design fingerprinting engine with semantic embeddings#4
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nahiyankhan merged 2 commits intomainfrom Apr 6, 2026
Merged
Add design fingerprinting engine with semantic embeddings#4nahiyankhan merged 2 commits intomainfrom
nahiyankhan merged 2 commits intomainfrom
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…terpretation Evolves Ghost from registry-only audit to a design language fingerprinting system. Projects can now be profiled without a registry, fingerprints compared for distance, and design languages clustered across repos via embedding vectors. New capabilities: - `ghost profile` generates a DesignFingerprint (palette, spacing, typography, surfaces, architecture) - `ghost compare` computes per-dimension distance between two fingerprints - Extractor plugin system (Tailwind MVP + CSS fallback) for framework-agnostic material gathering - LLM interpretation layer (Anthropic/OpenAI as optional peer deps) for rich fingerprint generation - Deterministic 64-dim embedding vector for similarity/clustering - Deterministic registry fingerprinting (no LLM needed for shadcn registries) Existing `ghost scan` is fully preserved — designSystems is now optional in config. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
Replace the hand-engineered 64-dim feature vector with optional model-generated embeddings. The fingerprint is rendered as natural language and sent to a text embedding model, producing vectors that capture semantic similarity across different CSS methodologies. New optional config field `embedding` with provider/model/apiKey. Falls back to env vars (OPENAI_API_KEY, VOYAGE_API_KEY) and to the deterministic vector when no embedding config is present. Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
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Summary
ghost profileandghost comparecommands that fingerprint a project's design language (palette, spacing, typography, surfaces, architecture) without requiring a registryghost scanis fully preserved —designSystemsis now optional in configWhat changed
fingerprint/): profile, compare, describe, embed, and registry-based fingerprintingextractors/): pluggable Tailwind and CSS extractors for gathering design materialsllm/): Anthropic and OpenAI providers with structured prompts for fingerprint generation and summarizationghost-cli): newprofileandcomparesubcommandsGhostConfigand new fingerprint typesTest plan
ghost profileon a Tailwind project and verify fingerprint outputghost profileon a plain CSS project (fallback extractor)ghost comparebetween two fingerprints and verify distance scoresghost scanto confirm existing behavior is unaffected🤖 Generated with Claude Code