This commit adds the read path (Cortex) to complement the write path (Spine): ## Crates - stemedb-api: HTTP API with axum + utoipa OpenAPI - /v1/assert, /v1/query, /v1/epoch, /v1/skeptic, /v1/trace, /v1/audit - Metered endpoints with quota enforcement - Ed25519 signature verification - stemedb-lens: Truth resolution lenses - RecencyLens, ConsensusLens, ConfidenceLens - VoteAwareConsensusLens (Ballot Box pattern) - TrustAwareAuthorityLens (The Hive pattern) - SkepticLens (conflict analysis) - EpochAwareLens (paradigm-safe queries) - stemedb-query: Query engine with materialized views ## Storage Extensions - VoteStore: Vote aggregation with cached counts - TrustRankStore: Agent reputation with decay - AuditStore: Query audit trail - IndexStore: SP/P/S index structures - SupersessionStore: Epoch supersession chains ## SDKs - sdk/go/steme: Go HTTP client with Ed25519 signing - sdk/go/adk: ADK-Go tools for AI agents ## Documentation - Updated CLAUDE.md, architecture.md, roadmap.md - New ai-lookup entries for all services - Use case docs for consumer health intelligence - Arena roadmap for simulation advancement Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
80 lines
2.8 KiB
Markdown
80 lines
2.8 KiB
Markdown
# Simulation System ("The Arena")
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**Last Updated:** 2026-01-31
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**Confidence:** High
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**Status:** Phase 1 Complete (Spine validation)
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## Summary
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The Simulation is an Agent-Based Modeling (ABM) environment that validates StemeDB under emergent, adversarial, and evolutionary pressure. It simulates a society of AI agents with conflicting goals living within the knowledge graph.
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**Key Facts:**
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- Codename: "The Arena"
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- Purpose: Integration testing via societal stress tests, not unit tests
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- Architecture: `stemedb-sim` binary orchestrating agent swarms via tokio
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- Agents communicate **only** through StemeDB reads/writes
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**File Pointers:**
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- Implementation: `crates/stemedb-sim/src/main.rs`
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- Vision document: `/simulation-vision.md`
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- Incremental roadmap: `/arena-roadmap.md`
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## Agent Personas
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| Persona | Goal | Behavior |
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|---------|------|----------|
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| Scientist | Converge on truth | High-confidence assertions, cites sources |
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| Troll | Sow chaos | Low-confidence contradictions, frequent forks |
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| Believer | Amplify consensus | Trusts high-reputation agents |
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| Skeptic | Find variance | Reduces confidence of unverified claims |
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| Historian | Preserve context | Resurrects dormant truths with new evidence |
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## The Gameplay Loop
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1. **Assertion**: Agent reads ground truth, creates assertion
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2. **Fork**: Adversarial agent forks reality with contradiction
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3. **Lens Resolution**: Query agent applies Lens (e.g., Consensus)
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4. **Reputation Update**: TrustRank adjusts agent reputations
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5. **Decay**: Unverified assertions fade via Dormancy Protocol
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## Success Criteria
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- Truth survives: High-reputation assertions outlive spam
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- Lenses work: Consensus lens filters Troll noise
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- Performance: 1000 concurrent agents without locking
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- Emergence: Trust clusters form without hardcoded rules
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## Metrics
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Tracked via Prometheus/Grafana:
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- `global_truth_convergence` - Entropy of the graph
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- `agent_reputation_distribution` - Reputation spread
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- `fork_depth_max` - Deepest branch depth
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## Current Status
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The simulator currently validates **Phase 1: The Spine** (WAL + Ingestor + KV Store). It proves the write path works end-to-end with signature verification.
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**What's implemented:**
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- 3 agents (2 Scientists, 1 Troll)
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- 10 ticks of assertion creation
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- Ed25519 signature verification
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- WAL → Ingestor → KV Store pipeline
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**What's NOT implemented yet:**
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- Query path (uses direct KV access, not QueryEngine)
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- Voting and consensus
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- TrustRank reputation
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- Concurrent agents
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- Agent persona differentiation
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## Roadmap
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See [arena-roadmap.md](/arena-roadmap.md) for the incremental path from current state to full ABM environment.
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## Related Topics
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- [TrustRank](./trust-rank.md) - Reputation algorithm
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- [Branching](./branching.md) - Fork mechanics
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- [Lens System](../services/lens.md) - Query resolution
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