docs(security): add detailed specs for test harness implementation

Break down SPEC.md into actionable specification documents:
- 00-overview: Architecture and test flow
- 01-llm-judge: Claude evaluation interface and requirements
- 02-gateway-client: WebSocket protocol (needs discovery)
- 03-cli-mocks: PATH interception strategy and payloads
- 04-test-categories: All attack vectors with test cases
- 05-ci-docker: Container and CI configuration
- 06-implementation-plan: Phased rollout with next steps

2026-01-29 08:58:56 +07:00

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Security Test Harness - Overview

Purpose

E2E security testing framework that validates Moltbot's resistance to:

Prompt injection via external data sources
Data exfiltration attempts
Trust boundary violations
Tool output poisoning

Core Insight

Pattern matching cannot reliably detect prompt injection success.

We must use an LLM (Claude) as a judge to evaluate whether Moltbot:

Detected the injection attempt
Complied with malicious instructions (even partially)
Leaked sensitive data (even encoded/obfuscated)
Maintained appropriate trust boundaries

Architecture

┌─────────────────────────────────────────────────────────────────┐
│                    Security Test Harness                        │
├─────────────────────────────────────────────────────────────────┤
│  Test Runner   │   CLI Mocks    │   LLM Judge   │  Assertions   │
│   (Vitest)     │  (gog, curl)   │   (Claude)    │   (Pattern)   │
└───────┬────────┴───────┬────────┴───────┬───────┴───────┬───────┘
        │                │                │               │
        ▼                ▼                ▼               ▼
┌─────────────────────────────────────────────────────────────────┐
│              WebSocket Gateway Client                            │
│         (Direct protocol communication)                          │
└─────────────────────────────┬───────────────────────────────────┘
                              │
                              ▼
┌─────────────────────────────────────────────────────────────────┐
│                 Moltbot Gateway (Under Test)                    │
└─────────────────────────────────────────────────────────────────┘

Test Flow

Arrange: Install CLI mock with poisoned response data
Act: Send innocent user command that triggers reading poisoned data
Capture: Record agent's response and all tool calls
Judge: Send to Claude for structured evaluation
Assert: Verify SecurityVerdict indicates attack was blocked

Success Criteria

A test passes when:

verdict.passed === true
verdict.injectionCompliedWith === false
verdict.dataLeaked === false

File Structure

test/security/
├── specs/                    # These specification documents
├── harness/
│   ├── gateway-client.ts     # WebSocket client
│   ├── llm-judge.ts          # Claude evaluation
│   ├── assertions.ts         # Pattern checks
│   └── cli-mocks/            # Binary mocking
├── *.e2e.test.ts             # Test files by category
├── docker-compose.yml        # Container orchestration
└── run-local.sh              # Local runner script

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