# Current State Analysis: What's Built in Kailash-Kaizen

## Overview

Kailash-Kaizen (v0.8.0) contains a substantial EATP implementation with **~170,000 lines of code** across **391 Python files**. This document provides a detailed inventory of what's already built.

---

## Trust Infrastructure Inventory

```
┌─────────────────────────────────────────────────────────────────────────┐
│                    KAILASH-KAIZEN TRUST MODULES                         │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│   src/kaizen/trust/                                                     │
│   ├── __init__.py              # Public exports                        │
│   ├── chain.py                 # Trust Lineage Chain (699 lines) ✅    │
│   ├── operations.py            # 4 EATP operations (1289 lines) ✅     │
│   ├── trusted_agent.py         # Trust wrapper (973 lines) ✅          │
│   ├── authority.py             # Authority management                  │
│   ├── cache.py                 # Trust cache                           │
│   ├── crypto.py                # Cryptographic operations              │
│   ├── security.py              # Security utilities                    │
│   ├── rotation.py              # Key rotation                          │
│   ├── audit_service.py         # Audit logging                         │
│   ├── exceptions.py            # Trust exceptions                      │
│   │                                                                     │
│   ├── a2a/                     # Agent-to-Agent Protocol               │
│   │   ├── agent_card.py        # Agent Cards ✅                        │
│   │   ├── auth.py              # JWT authentication ✅                 │
│   │   ├── jsonrpc.py           # JSON-RPC service ✅                   │
│   │   ├── models.py            # A2A data models                       │
│   │   ├── service.py           # A2A service                           │
│   │   └── exceptions.py                                                 │
│   │                                                                     │
│   ├── esa/                     # Enterprise System Adapters            │
│   │   ├── base.py              # BaseESA class ✅                      │
│   │   ├── database.py          # DatabaseESA ✅                        │
│   │   ├── api.py               # APIESA ✅                             │
│   │   ├── registry.py          # ESA registry                          │
│   │   ├── discovery.py         # ESA discovery                         │
│   │   └── exceptions.py                                                 │
│   │                                                                     │
│   ├── governance/              # Policy & Governance                   │
│   │   ├── policy_engine.py     # ABAC engine (828 lines) ✅            │
│   │   ├── policy_models.py     # Policy data models                    │
│   │   ├── models.py            # Governance models                     │
│   │   ├── approval_manager.py  # Human approval flows                  │
│   │   ├── rate_limiter.py      # Rate limiting                         │
│   │   ├── budget_reset.py      # Budget management                     │
│   │   ├── budget_enforcer.py   # Budget enforcement                    │
│   │   └── cost_estimator.py    # Cost estimation                       │
│   │                                                                     │
│   ├── registry/                # Agent Registry                        │
│   │   ├── agent_registry.py    # Main registry (646 lines) ✅          │
│   │   ├── store.py             # Storage backend                       │
│   │   ├── models.py            # Registry models                       │
│   │   ├── health.py            # Health monitoring                     │
│   │   └── exceptions.py                                                 │
│   │                                                                     │
│   ├── messaging/               # Secure Messaging                      │
│   │   ├── envelope.py          # Message envelopes                     │
│   │   ├── verifier.py          # Message verification                  │
│   │   ├── replay_protection.py # Anti-replay                           │
│   │   └── exceptions.py                                                 │
│   │                                                                     │
│   └── orchestration/           # Trust-aware Orchestration             │
│       ├── runtime.py           # Trust runtime                         │
│       ├── policy.py            # Orchestration policies                │
│       ├── execution_context.py # Execution context                     │
│       ├── exceptions.py                                                 │
│       └── integration/                                                  │
│           ├── registry_aware.py                                         │
│           └── secure_channel.py                                         │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
```

---

## Component Deep Dive

### 1. Trust Lineage Chain (`chain.py`)

**Status: ✅ Fully Implemented**

```python
# Location: src/kaizen/trust/chain.py (699 lines)

# Data Structures Implemented:

class AuthorityType(Enum):
    ORGANIZATION = "organization"
    DEPARTMENT = "department"
    TEAM = "team"
    HUMAN = "human"           # ✅ Human type exists

class CapabilityType(Enum):
    READ = "read"
    WRITE = "write"
    EXECUTE = "execute"
    ADMIN = "admin"
    DELEGATE = "delegate"

class VerificationLevel(Enum):
    QUICK = "quick"           # Target: <1ms
    STANDARD = "standard"     # Target: <5ms
    FULL = "full"             # Target: <50ms

@dataclass
class GenesisRecord:
    authority_id: str
    authority_type: AuthorityType
    created_at: datetime
    signature: str
    metadata: Dict[str, Any]

@dataclass
class CapabilityAttestation:
    capability: str
    capability_type: CapabilityType
    granted_by: str
    granted_at: datetime
    expires_at: Optional[datetime]
    conditions: Dict[str, Any]

@dataclass
class DelegationRecord:
    delegator_id: str
    delegatee_id: str
    task_id: str
    delegated_capabilities: List[str]
    delegated_at: datetime
    expires_at: Optional[datetime]
    constraints: Dict[str, Any]
    # ❌ MISSING: root_source field

@dataclass
class ConstraintEnvelope:
    constraint_type: ConstraintType
    constraints: Dict[str, Any]
    applied_at: datetime
    applied_by: str

@dataclass
class AuditAnchor:
    anchor_id: str
    agent_id: str
    action: str
    resource: str
    result: ActionResult
    timestamp: datetime
    context: Dict[str, Any]
    parent_anchor_id: Optional[str]  # ✅ Chain linking

@dataclass
class TrustLineageChain:
    genesis: GenesisRecord
    capabilities: List[CapabilityAttestation]
    delegations: List[DelegationRecord]
    constraint_envelope: Optional[ConstraintEnvelope]
    audit_anchors: List[AuditAnchor]

    def compute_hash(self) -> str: ...
    def to_dict(self) -> Dict: ...
    @classmethod
    def from_dict(cls, data: Dict) -> 'TrustLineageChain': ...
```

**What's Working:**
```
┌─────────────────────────────────────────────────────────────────────────┐
│   TRUST LINEAGE CHAIN - IMPLEMENTATION STATUS                          │
├───────────────────────────────────────┬─────────────────────────────────┤
│   Component                           │   Status                        │
├───────────────────────────────────────┼─────────────────────────────────┤
│   Genesis Record                      │   ✅ Complete                   │
│   Capability Attestations             │   ✅ Complete                   │
│   Delegation Records                  │   ⚠️ Missing root_source       │
│   Constraint Envelope                 │   ✅ Complete                   │
│   Audit Anchors                       │   ✅ Complete with linking      │
│   Hash Computation                    │   ✅ SHA-256 implemented        │
│   Serialization                       │   ✅ JSON serializable          │
└───────────────────────────────────────┴─────────────────────────────────┘
```

---

### 2. EATP Operations (`operations.py`)

**Status: ✅ Implemented, ⚠️ Missing root_source propagation**

```python
# Location: src/kaizen/trust/operations.py (1289 lines)

class TrustOperations:
    """Core EATP operations implementation."""

    async def establish(
        self,
        agent_id: str,
        authority_id: str,
        capabilities: List[str],
        constraints: Dict[str, Any],
        metadata: Dict[str, Any],
        expires_at: Optional[datetime] = None
    ) -> TrustLineageChain:
        """
        ESTABLISH operation - creates initial trust chain.

        ✅ Creates Genesis Record with authority binding
        ✅ Creates Capability Attestations
        ✅ Applies Constraint Envelope
        ✅ Stores in trust store
        """

    async def delegate(
        self,
        delegator_id: str,
        delegatee_id: str,
        task_id: str,
        capabilities: List[str],
        additional_constraints: Dict[str, Any],
        expires_at: Optional[datetime] = None
    ) -> DelegationRecord:
        """
        DELEGATE operation - transfers trust with constraint tightening.

        ✅ Validates delegator has capabilities to delegate
        ✅ Creates Delegation Record
        ✅ Merges constraints (adds, doesn't loosen)
        ⚠️ Does NOT propagate root_source
        ⚠️ Basic constraint tightening validation
        """

    async def verify(
        self,
        agent_id: str,
        action: str,
        resource: Optional[str] = None,
        level: VerificationLevel = VerificationLevel.STANDARD,
        context: Optional[Dict[str, Any]] = None
    ) -> VerificationResult:
        """
        VERIFY operation - checks authorization before action.

        ✅ Three verification levels implemented
        ✅ Checks capability existence
        ✅ Checks constraint satisfaction
        ✅ Checks expiration
        ⚠️ No SLA monitoring/metrics
        """

    async def audit(
        self,
        agent_id: str,
        action: str,
        resource: str,
        result: ActionResult,
        context: Dict[str, Any],
        parent_anchor_id: Optional[str] = None
    ) -> AuditAnchor:
        """
        AUDIT operation - records immutable action trail.

        ✅ Creates linked Audit Anchors
        ✅ Stores in audit store
        ⚠️ Does NOT include root_source in anchors
        """

    async def revoke(
        self,
        agent_id: str,
        reason: str
    ) -> bool:
        """
        Revokes trust for an agent.

        ✅ Marks agent's trust as revoked
        ❌ Does NOT cascade to delegated agents
        """
```

**Operations Status:**
```
┌─────────────────────────────────────────────────────────────────────────┐
│   EATP OPERATIONS - IMPLEMENTATION STATUS                              │
├───────────────────────────────────────┬─────────────────────────────────┤
│   Operation                           │   Status                        │
├───────────────────────────────────────┼─────────────────────────────────┤
│   ESTABLISH                           │   ✅ Complete                   │
│   DELEGATE                            │   ⚠️ Missing root_source       │
│   VERIFY                              │   ⚠️ No SLA monitoring         │
│   AUDIT                               │   ⚠️ Missing root_source       │
│   REVOKE (extension)                  │   ❌ No cascade                 │
│   Constraint Tightening               │   ⚠️ Basic validation only     │
└───────────────────────────────────────┴─────────────────────────────────┘
```

---

### 3. Trusted Agent (`trusted_agent.py`)

**Status: ✅ Trust Sandwich Pattern Implemented**

```python
# Location: src/kaizen/trust/trusted_agent.py (973 lines)

class TrustedAgent:
    """
    Wrapper that adds transparent trust to any agent.
    Uses composition pattern - wraps existing agent.
    """

    def __init__(
        self,
        agent: BaseAgent,
        trust_operations: TrustOperations,
        trust_chain: TrustLineageChain
    ):
        self._agent = agent
        self._trust_ops = trust_operations
        self._trust_chain = trust_chain

    async def execute_async(
        self,
        inputs: Dict[str, Any],
        action: str,
        resource: str,
        **kwargs
    ) -> Any:
        """
        Executes with Trust Sandwich pattern:

        1. VERIFY - Check authorization
        2. EXECUTE - Run the actual agent
        3. AUDIT - Record the action

        ✅ Fully implements Trust Sandwich
        ⚠️ No root_source context propagation
        """
        # Step 1: VERIFY
        verification = await self._trust_ops.verify(
            agent_id=self._agent.agent_id,
            action=action,
            resource=resource
        )
        if not verification.valid:
            raise TrustVerificationError(...)

        # Step 2: EXECUTE
        result = await self._agent.execute_async(inputs=inputs, **kwargs)

        # Step 3: AUDIT
        await self._trust_ops.audit(
            agent_id=self._agent.agent_id,
            action=action,
            resource=resource,
            result=ActionResult.SUCCESS,
            context={...}
        )

        return result


class TrustedSupervisorAgent(TrustedAgent):
    """
    Extension for agents that can delegate to others.

    ✅ Supports delegation pattern
    ⚠️ No root_source propagation to delegated agents
    """

    async def delegate_task(
        self,
        worker_agent: TrustedAgent,
        task: Dict[str, Any],
        capabilities: List[str],
        constraints: Dict[str, Any]
    ) -> DelegationRecord:
        """Delegate work to another agent."""
```

**Trust Sandwich Flow:**
```
┌─────────────────────────────────────────────────────────────────────────┐
│                   TRUSTED AGENT EXECUTION FLOW                          │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│   ┌─────────────────┐                                                   │
│   │   execute_async │                                                   │
│   │   (inputs,      │                                                   │
│   │    action,      │                                                   │
│   │    resource)    │                                                   │
│   └────────┬────────┘                                                   │
│            │                                                            │
│            ▼                                                            │
│   ┌─────────────────┐     ┌─────────────────┐                          │
│   │     VERIFY      │────►│  Authorization  │                          │
│   │                 │     │    Check        │                          │
│   └────────┬────────┘     └─────────────────┘                          │
│            │                      │                                     │
│            │              ┌───────┴───────┐                            │
│            │              ▼               ▼                             │
│            │         ✅ Valid        ❌ Invalid                         │
│            │              │               │                             │
│            ▼              │               ▼                             │
│   ┌─────────────────┐     │    ┌─────────────────┐                     │
│   │    EXECUTE      │◄────┘    │ Raise           │                     │
│   │  (wrapped agent)│          │ TrustError      │                     │
│   └────────┬────────┘          └─────────────────┘                     │
│            │                                                            │
│            ▼                                                            │
│   ┌─────────────────┐     ┌─────────────────┐                          │
│   │     AUDIT       │────►│  Record Action  │                          │
│   │                 │     │  to Anchor Chain│                          │
│   └────────┬────────┘     └─────────────────┘                          │
│            │                                                            │
│            ▼                                                            │
│   ┌─────────────────┐                                                   │
│   │   Return Result │                                                   │
│   └─────────────────┘                                                   │
│                                                                         │
│   ✅ Pattern implemented correctly                                      │
│   ⚠️ Missing: root_source context not passed through chain             │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
```

---

### 4. Enterprise System Adapters (`esa/`)

**Status: ✅ Pattern Implemented**

```python
# Location: src/kaizen/trust/esa/base.py

class BaseESA:
    """
    Base class for Enterprise System Adapters.
    Wraps legacy systems with EATP trust enforcement.
    """

    def __init__(
        self,
        esa_id: str,
        trust_operations: TrustOperations,
        trust_chain: TrustLineageChain
    ):
        self.esa_id = esa_id
        self._trust_ops = trust_operations
        self._trust_chain = trust_chain

    async def execute_with_trust(
        self,
        action: str,
        resource: str,
        operation: Callable
    ) -> Any:
        """
        Execute operation with Trust Sandwich.

        ✅ VERIFY → EXECUTE → AUDIT pattern
        """


# Location: src/kaizen/trust/esa/database.py

class DatabaseESA(BaseESA):
    """
    Database operations with EATP trust.

    ✅ Wraps database operations
    ✅ Enforces capability checks
    ✅ Records audit trail
    """

    async def query(self, sql: str, params: Dict) -> List[Dict]: ...
    async def insert(self, table: str, data: Dict) -> str: ...
    async def update(self, table: str, data: Dict, where: Dict) -> int: ...
    async def delete(self, table: str, where: Dict) -> int: ...


# Location: src/kaizen/trust/esa/api.py

class APIESA(BaseESA):
    """
    External API calls with EATP trust.

    ✅ Wraps HTTP operations
    ✅ Enforces endpoint restrictions
    ✅ Rate limiting integration
    """

    async def get(self, url: str, headers: Dict) -> Response: ...
    async def post(self, url: str, data: Dict) -> Response: ...
```

---

### 5. Agent Registry (`registry/`)

**Status: ✅ Implemented**

```python
# Location: src/kaizen/trust/registry/agent_registry.py (646 lines)

class AgentRegistry:
    """
    Trust-aware agent registration and discovery.

    ✅ Trust-verified registration
    ✅ Capability-based discovery
    ✅ Heartbeat monitoring
    ✅ Stale agent detection
    """

    async def register(self, request: RegistrationRequest) -> AgentMetadata:
        """
        Register agent with trust verification.

        ✅ Validates trust chain exists
        ✅ Verifies capabilities match trust chain
        ✅ Stores agent metadata
        """

    async def discover(self, query: DiscoveryQuery) -> List[AgentMetadata]:
        """
        Find agents matching criteria.

        ✅ Capability filtering
        ✅ Status filtering
        ✅ Constraint exclusion
        ✅ Ranking by relevance
        """

class DiscoveryQuery:
    """Query builder for agent discovery."""
    capabilities: List[str]
    match_all: bool
    agent_type: Optional[str]
    status: AgentStatus
    exclude_constraints: List[str]
```

---

### 6. Policy Engine (`governance/policy_engine.py`)

**Status: ✅ ABAC Implemented**

```python
# Location: src/kaizen/trust/governance/policy_engine.py (828 lines)

class ExternalAgentPolicyEngine:
    """
    Attribute-Based Access Control for agents.

    ✅ Time-based conditions (business hours)
    ✅ Location-based conditions (IP, country)
    ✅ Environment conditions (prod/staging/dev)
    ✅ Provider conditions
    ✅ Tag-based conditions
    ✅ Conflict resolution strategies
    """

    async def evaluate_policies(
        self,
        context: ExternalAgentPolicyContext
    ) -> PolicyEvaluationResult:
        """Evaluate all applicable policies."""

# Condition Types:
class TimeWindowCondition(PolicyCondition): ...
class LocationCondition(PolicyCondition): ...
class EnvironmentCondition(PolicyCondition): ...
class ProviderCondition(PolicyCondition): ...
class TagCondition(PolicyCondition): ...

# Conflict Resolution:
class ConflictResolutionStrategy(Enum):
    DENY_OVERRIDES = "deny_overrides"
    ALLOW_OVERRIDES = "allow_overrides"
    FIRST_APPLICABLE = "first_applicable"
```

---

### 7. A2A Protocol (`a2a/`)

**Status: ✅ Implemented**

```python
# Agent Cards (src/kaizen/trust/a2a/agent_card.py)
class AgentCard:
    """
    A2A Agent Card with trust integration.

    ✅ Standard A2A fields
    ✅ Trust chain hash integration
    ✅ Capability advertisement
    """

# JSON-RPC Service (src/kaizen/trust/a2a/jsonrpc.py)
class A2AJsonRpcService:
    """
    JSON-RPC 2.0 service for agent communication.

    ✅ Standard JSON-RPC methods
    ✅ JWT authentication
    ⚠️ No root_source in messages
    """

# Authentication (src/kaizen/trust/a2a/auth.py)
class A2AAuth:
    """
    JWT-based authentication for A2A.

    ✅ Token generation
    ✅ Token validation
    ✅ Signature verification
    """
```

---

## Summary: What's Built vs What's Missing

```
┌─────────────────────────────────────────────────────────────────────────┐
│                    IMPLEMENTATION COMPLETENESS                          │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│   FULLY IMPLEMENTED (✅)                                                │
│   ══════════════════════                                                │
│                                                                         │
│   • Trust Lineage Chain data structures                                │
│   • ESTABLISH operation                                                │
│   • VERIFY operation (3 levels)                                        │
│   • AUDIT operation (with chain linking)                               │
│   • DELEGATE operation (basic)                                         │
│   • Trust Sandwich pattern (TrustedAgent)                              │
│   • ESA pattern (Database, API)                                        │
│   • Agent Registry with trust verification                             │
│   • ABAC Policy Engine                                                 │
│   • A2A Protocol (Agent Cards, JSON-RPC, JWT)                          │
│   • Authority management                                               │
│   • Cryptographic operations                                           │
│                                                                         │
│   PARTIALLY IMPLEMENTED (⚠️)                                           │
│   ═══════════════════════════                                          │
│                                                                         │
│   • Constraint tightening (basic validation, not formal)               │
│   • Verification SLAs (no monitoring/metrics)                          │
│   • A2A messages (no root_source field)                                │
│                                                                         │
│   NOT IMPLEMENTED (❌)                                                  │
│   ════════════════════                                                 │
│                                                                         │
│   • root_source field in DelegationRecord                              │
│   • root_source propagation through delegation chain                   │
│   • PseudoAgent class (human facade)                                   │
│   • Cascade revocation                                                 │
│   • Governance Mesh (distributed policy)                               │
│   • Verification SLA metrics collection                                │
│                                                                         │
├─────────────────────────────────────────────────────────────────────────┤
│                                                                         │
│   ESTIMATED COMPLETENESS: ~70%                                          │
│                                                                         │
│   The foundation is solid. The critical missing piece is the           │
│   root_source chain that traces every action to a human.               │
│                                                                         │
└─────────────────────────────────────────────────────────────────────────┘
```

---

## File Reference

| File | Lines | Description |
|------|-------|-------------|
| `chain.py` | 699 | Trust Lineage Chain structures |
| `operations.py` | 1289 | EATP operations |
| `trusted_agent.py` | 973 | Trust wrapper pattern |
| `authority.py` | ~500 | Authority management |
| `agent_registry.py` | 646 | Agent registry |
| `policy_engine.py` | 828 | ABAC policy engine |
| `agent_card.py` | ~300 | A2A Agent Cards |
| `jsonrpc.py` | ~400 | JSON-RPC service |
| `database.py` (ESA) | ~300 | Database ESA |
| `api.py` (ESA) | ~250 | API ESA |

**Total Trust Infrastructure: ~6,000+ lines**
