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Soul System

Digital twin identity scaffold management for creating and testing aligned AI personas.

Three docs cover the digital-twin subsystem from different angles: this one (the document workflow — soul markdown files, enrichment, testing, export), Digital Twin (the quantitative modeling layer — traits, confidence, feedback, personas), and Unified Identity System (the identity architecture — genome, chronotype, taste, goals).

Overview

LLMs can embody specific personas, but creating comprehensive identity documents and testing alignment across different models is manual and error-prone. The Soul System provides a structured approach to capturing, validating, and deploying personality models.

Architecture

  • Digital Twin Service (server/services/digital-twin.js plus the digital-twin-*.js module family): Document management, testing, enrichment
  • Digital Twin Routes (server/routes/digital-twin.js): REST API endpoints mounted under /api/digital-twin/*
  • Digital Twin Page (client/src/pages/DigitalTwin.jsx): Overview, Documents, Test, Enrich, Export tabs

Features

Five-Tab Interface

  1. Overview Tab: Dashboard showing soul health score, document counts, test scores, enrichment progress, and quick actions
  2. Documents Tab: Sidebar-based document editor for managing soul markdown files by category (core, audio, behavioral, enrichment)
  3. Test Tab: Multi-model behavioral testing against 14 predefined tests, with side-by-side result comparison
  4. Enrich Tab: Guided questionnaire across 10 categories that generates soul document content from answers
  5. Export Tab: Export soul for use in external LLMs (System Prompt, CLAUDE.md, JSON, individual files)

CoS Integration

  • Soul context automatically injected into agent prompts when enabled
  • Settings control autoInjectToCoS and maxContextTokens
  • Prompt template cos-agent-briefing.md includes {{soulSection}}

Directory Structure

data/digital-twin/
├── meta.json              # Document metadata, test history, settings
├── SOUL.md                # Core identity
├── Expanded.md            # High-fidelity spec
├── BEHAVIORAL_TEST_SUITE.md  # 14 behavioral tests
├── AUDIO*.md              # Audio preferences
├── MEMORIES.md            # Generated via enrichment
├── FAVORITES.md           # Generated via enrichment
└── PREFERENCES.md         # Generated via enrichment

Enrichment Categories

Category Description
Core Memories Formative experiences
Favorite Books Books that shaped thinking
Favorite Movies Films that resonate
Music Taste Cognitive infrastructure
Communication How to give/receive info
Decision Making Approach to choices
Values Core principles
Aesthetics Visual preferences
Daily Routines Structure habits
Career/Skills Professional expertise

Additional Categories (M33.1)

  • non_negotiables: Principles and boundaries that define your limits
  • decision_heuristics: Mental models and shortcuts for making choices
  • error_intolerance: What your digital twin should never do

Validation & Analysis

  1. Completeness Validator: Checks for 6 required sections (identity, values, communication, decision making, non-negotiables, error intolerance), shows percentage complete with actionable suggestions
  2. Contradiction Detector: AI-powered analysis to find inconsistencies between soul documents, with severity levels and resolution suggestions

Dynamic Testing

  • AI generates behavioral tests based on soul content
  • Targets values, communication style, non-negotiables, and decision patterns
  • Returns structured tests with prompts, expected behaviors, and failure signals

Writing Sample Analysis

  • Paste writing samples to extract authentic voice patterns
  • Analyzes: sentence structure, vocabulary, formality, tone, distinctive markers
  • Generates WRITING_STYLE.md document content

Context Optimization

  • Document Weighting: Priority slider (1-10) on each document
  • Higher weighted documents preserved first when context limits force truncation

API Endpoints

Route Description
GET /api/digital-twin Status summary
GET /api/digital-twin/documents List documents
POST /api/digital-twin/documents Create document
PUT /api/digital-twin/documents/:id Update document
DELETE /api/digital-twin/documents/:id Delete document
GET /api/digital-twin/tests Get test suite
POST /api/digital-twin/tests/run Run single-model tests
POST /api/digital-twin/tests/run-multi Run multi-model tests
GET /api/digital-twin/enrich/categories List enrichment categories
POST /api/digital-twin/enrich/question Get next question
POST /api/digital-twin/enrich/answer Submit answer
POST /api/digital-twin/export Export soul
GET /api/digital-twin/validate/completeness Check soul completeness
POST /api/digital-twin/validate/contradictions Detect contradictions
POST /api/digital-twin/tests/generate Generate dynamic tests
POST /api/digital-twin/analyze-writing Analyze writing samples

Related Features