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**Table of Contents**

- [Error Dependency Graph - Week 1 Validation](#error-dependency-graph---week-1-validation)
  - [Visual Dependency Flow](#visual-dependency-flow)
  - [Detailed Dependency Analysis](#detailed-dependency-analysis)
    - [Level 1: Independent Root Causes (Fix First)](#level-1-independent-root-causes-fix-first)
    - [Level 2: First-Order Dependencies (Fix Second)](#level-2-first-order-dependencies-fix-second)
    - [Level 3: Second-Order Dependencies (Fix Third)](#level-3-second-order-dependencies-fix-third)
    - [Level 4: Implementation Dependencies (Fix Fourth)](#level-4-implementation-dependencies-fix-fourth)
    - [Level 5: Cleanup & Type Fixes (Fix Last)](#level-5-cleanup--type-fixes-fix-last)
  - [Critical Path Analysis](#critical-path-analysis)
    - [Fastest Path to Zero Errors](#fastest-path-to-zero-errors)
  - [Parallel Execution Strategy](#parallel-execution-strategy)
    - [Team 1: Core Structs (Hour 1)](#team-1-core-structs-hour-1)
    - [Team 2: Validators (Hour 1, starts after Team 1 finishes Observation)](#team-2-validators-hour-1-starts-after-team-1-finishes-observation)
    - [Team 3: Config Structs (Hour 2, starts after Team 2)](#team-3-config-structs-hour-2-starts-after-team-2)
    - [Team 4: Implementation (Hour 3, starts after Teams 1-3)](#team-4-implementation-hour-3-starts-after-teams-1-3)
    - [Team 5: Cleanup (Hour 4, starts after Teams 1-4)](#team-5-cleanup-hour-4-starts-after-teams-1-4)
  - [Blocking Relationships](#blocking-relationships)
    - [What Blocks What?](#what-blocks-what)
  - [Risk Mitigation](#risk-mitigation)
    - [High-Risk Dependencies](#high-risk-dependencies)
  - [Verification Checkpoints](#verification-checkpoints)
  - [Success Metrics](#success-metrics)

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# Error Dependency Graph - Week 1 Validation

## Visual Dependency Flow

```
┌─────────────────────────────────────────────────────────┐
│                   ROOT CAUSES (6)                       │
│         Fix these → Resolve 82.7% of errors            │
└─────────────────────────────────────────────────────────┘
                          │
        ┌─────────────────┼─────────────────┐
        │                 │                 │
        ▼                 ▼                 ▼
┌──────────────┐  ┌──────────────┐  ┌──────────────┐
│ Observation  │  │DeltaSigma    │  │Observation   │
│   struct     │  │Proposal      │  │Source enum   │
│ (18 errors)  │  │(30 errors)   │  │(16 errors)   │
└──────────────┘  └──────────────┘  └──────────────┘
        │                 │                 │
        └─────────────────┼─────────────────┘
                          │
                          ▼
        ┌─────────────────────────────────┐
        │    CASCADING FIXES (3)          │
        │  ValidationContext,             │
        │  ValidationEvidence,            │
        │  PatternType enum               │
        └─────────────────────────────────┘
                          │
                          ▼
        ┌─────────────────────────────────┐
        │   CONFIG STRUCTS (5)            │
        │  ProposerConfig, ProposedChange,│
        │  MinerConfig, ConstitutionVal,  │
        │  PromotionResult                │
        └─────────────────────────────────┘
                          │
                          ▼
        ┌─────────────────────────────────┐
        │  IMPLEMENTATION (2)             │
        │  Validator methods, Pipeline    │
        └─────────────────────────────────┘
                          │
                          ▼
        ┌─────────────────────────────────┐
        │    TYPE FIXES (4)               │
        │  Type mismatches, Result types, │
        │  Swarm module, SigmaOverlay     │
        └─────────────────────────────────┘
                          │
                          ▼
                  ✅ ZERO ERRORS
```

---

## Detailed Dependency Analysis

### Level 1: Independent Root Causes (Fix First)

These fixes are **completely independent** - can be done in parallel:

1. **Observation struct** (18 errors)
   - **Blocks**: ValidationEvidence usage, pattern miner tests
   - **Dependencies**: None
   - **Impact**: Unblocks 8% of all errors

2. **DeltaSigmaProposal struct** (30 errors)
   - **Blocks**: Delta proposer tests, promotion tests
   - **Dependencies**: None
   - **Impact**: Unblocks 13.3% of all errors

3. **ObservationSource enum** (16 errors)
   - **Blocks**: Pattern miner tests, observation logging
   - **Dependencies**: None
   - **Impact**: Unblocks 7.1% of all errors

**Combined Impact**: 64 errors (28.4%) → Fix time: 45 minutes

---

### Level 2: First-Order Dependencies (Fix Second)

These depend on Level 1 fixes:

4. **ValidationContext struct** (10 errors)
   - **Depends on**: Observation struct (uses Observation in validation)
   - **Blocks**: Constitution validation tests
   - **Impact**: Unblocks 4.4% of all errors

5. **ValidationEvidence struct** (9 errors)
   - **Depends on**: Observation struct (validation creates evidence from observations)
   - **Blocks**: Validator result tests
   - **Impact**: Unblocks 4% of all errors

6. **PatternType enum** (8 errors)
   - **Depends on**: ObservationSource enum (patterns analyzed from observations)
   - **Blocks**: Pattern analysis tests
   - **Impact**: Unblocks 3.6% of all errors

**Combined Impact**: 27 errors (12%) → Fix time: 30 minutes

---

### Level 3: Second-Order Dependencies (Fix Third)

These depend on Level 1 & 2 fixes:

7. **ProposerConfig struct** (6 errors)
   - **Depends on**: DeltaSigmaProposal (config controls proposal generation)
   - **Blocks**: Proposal generation tests
   - **Impact**: Unblocks 2.7% of all errors

8. **ProposedChange struct** (6 errors)
   - **Depends on**: DeltaSigmaProposal (changes are part of proposals)
   - **Blocks**: Change tracking tests
   - **Impact**: Unblocks 2.7% of all errors

9. **MinerConfig struct** (4 errors)
   - **Depends on**: Observation struct, PatternType enum
   - **Blocks**: Pattern mining tests
   - **Impact**: Unblocks 1.8% of all errors

10. **ConstitutionValidation struct** (4 errors)
    - **Depends on**: ValidationContext, ValidationEvidence
    - **Blocks**: Constitution enforcement tests
    - **Impact**: Unblocks 1.8% of all errors

11. **PromotionResult struct** (4 errors)
    - **Depends on**: DeltaSigmaProposal, ValidationEvidence
    - **Blocks**: Promotion workflow tests
    - **Impact**: Unblocks 1.8% of all errors

**Combined Impact**: 24 errors (10.7%) → Fix time: 30 minutes

---

### Level 4: Implementation Dependencies (Fix Fourth)

These require Level 1-3 structs to exist:

12. **Validator validate() methods** (9 errors)
    - **Depends on**: ValidationContext, ValidationEvidence (validate() returns evidence)
    - **Blocks**: All validator tests
    - **Impact**: Unblocks 4% of all errors

13. **Pipeline field visibility** (12 errors)
    - **Depends on**: None (independent)
    - **Blocks**: Template rendering tests
    - **Impact**: Unblocks 5.3% of all errors

**Combined Impact**: 21 errors (9.3%) → Fix time: 30 minutes

---

### Level 5: Cleanup & Type Fixes (Fix Last)

These are cosmetic or isolated:

14. **Type mismatches** (18 errors)
    - **Depends on**: All struct definitions stable
    - **Impact**: Unblocks 8% of all errors

15. **SigmaOverlay struct** (2 errors)
    - **Depends on**: None (independent)
    - **Impact**: Unblocks 0.9% of all errors

16. **Swarm module** (4 errors)
    - **Depends on**: None (independent)
    - **Impact**: Unblocks 1.8% of all errors (examples only)

17. **Result type generics** (1 error)
    - **Depends on**: None (independent)
    - **Impact**: Unblocks 0.4% of all errors

**Combined Impact**: 25 errors (11.1%) → Fix time: 20 minutes

---

## Critical Path Analysis

### Fastest Path to Zero Errors

**Sequential Fix Order** (minimize wait time):

```
Hour 1:
  ├─ 0:00-0:15 → Observation struct (18 errors)
  ├─ 0:15-0:35 → DeltaSigmaProposal struct (30 errors)
  ├─ 0:35-0:45 → ObservationSource enum (16 errors)
  └─ 0:45-1:00 → cargo make check (verify 64 errors gone)

Hour 2:
  ├─ 1:00-1:10 → PatternType enum (8 errors)
  ├─ 1:10-1:25 → ValidationContext struct (10 errors)
  ├─ 1:25-1:40 → ValidationEvidence struct (9 errors)
  └─ 1:40-2:00 → cargo make check (verify 91 errors gone)

Hour 3:
  ├─ 2:00-2:10 → ProposerConfig struct (6 errors)
  ├─ 2:10-2:20 → ProposedChange struct (6 errors)
  ├─ 2:20-2:30 → MinerConfig struct (4 errors)
  ├─ 2:30-2:40 → ConstitutionValidation struct (4 errors)
  ├─ 2:40-2:50 → PromotionResult struct (4 errors)
  └─ 2:50-3:00 → cargo make check (verify 115 errors gone)

Hour 4:
  ├─ 3:00-3:30 → Validator validate() methods (9 errors)
  ├─ 3:30-3:35 → Pipeline field visibility (12 errors)
  └─ 3:35-4:00 → cargo make check (verify 136 errors gone)

Hour 5:
  ├─ 4:00-4:20 → Type mismatches (18 errors)
  ├─ 4:20-4:25 → SigmaOverlay id field (2 errors)
  ├─ 4:25-4:35 → Swarm module decision (4 errors)
  ├─ 4:35-4:37 → Result type generics (1 error)
  └─ 4:37-5:00 → cargo make check (verify 0 errors!) + cargo make test
```

**Total Time**: 5 hours to zero errors

---

## Parallel Execution Strategy

If using multiple agents/developers:

### Team 1: Core Structs (Hour 1)
- Observation struct
- DeltaSigmaProposal struct
- ObservationSource enum

### Team 2: Validators (Hour 1, starts after Team 1 finishes Observation)
- ValidationContext struct
- ValidationEvidence struct
- PatternType enum

### Team 3: Config Structs (Hour 2, starts after Team 2)
- ProposerConfig struct
- ProposedChange struct
- MinerConfig struct
- ConstitutionValidation struct
- PromotionResult struct

### Team 4: Implementation (Hour 3, starts after Teams 1-3)
- Validator validate() methods
- Pipeline field visibility

### Team 5: Cleanup (Hour 4, starts after Teams 1-4)
- Type mismatches
- SigmaOverlay
- Swarm module
- Result generics

**Parallel Completion Time**: 3-4 hours (with 5 teams)

---

## Blocking Relationships

### What Blocks What?

| Fix This | Unblocks These |
|----------|----------------|
| Observation struct | ValidationContext, ValidationEvidence, MinerConfig |
| DeltaSigmaProposal | ProposerConfig, ProposedChange, PromotionResult |
| ObservationSource enum | PatternType enum, MinerConfig |
| ValidationContext | ConstitutionValidation, validate() methods |
| ValidationEvidence | validate() methods, PromotionResult |
| All structs/enums | Type mismatches (must stabilize APIs first) |

---

## Risk Mitigation

### High-Risk Dependencies

1. **ValidationEvidence depends on Observation**
   - **Risk**: If Observation API changes, ValidationEvidence breaks
   - **Mitigation**: Finalize Observation struct first, then implement ValidationEvidence

2. **All validators depend on ValidationContext + ValidationEvidence**
   - **Risk**: If validation API changes, all validators break
   - **Mitigation**: Finalize validation types before implementing validate() methods

3. **Type mismatches depend on stable struct definitions**
   - **Risk**: Fixing type mismatches before structs stabilize = rework
   - **Mitigation**: Save type mismatch fixes for last (Level 5)

---

## Verification Checkpoints

After each level, verify error count decreases:

| Level | Errors Fixed | Remaining Errors | Checkpoint |
|-------|--------------|------------------|------------|
| Start | 0 | 225 | Initial state |
| Level 1 | 64 | 161 | `cargo make check` shows ~160 errors |
| Level 2 | 27 | 134 | `cargo make check` shows ~130 errors |
| Level 3 | 24 | 110 | `cargo make check` shows ~110 errors |
| Level 4 | 21 | 89 | `cargo make check` shows ~90 errors |
| Level 5 | 25 | 0 | `cargo make check` shows 0 errors! |

**If error count doesn't decrease as expected → STOP and investigate**

---

## Success Metrics

✅ **Each Level Must Achieve**:
- Error count decreased by expected amount (±5 errors)
- No new errors introduced
- No new compiler warnings
- All changes compile

✅ **Final Success**:
- 0 compiler errors
- `cargo make test` compiles (may have logical failures)
- All struct definitions match test expectations
- No technical debt accumulated

---

**Generated**: 2025-11-20 by Production Validation Specialist
**Status**: DEPENDENCY GRAPH COMPLETE - READY FOR SYSTEMATIC FIXES
