# Functional Requirements Extraction - Document Index

**Project:** TracerTM (Requirements Traceability Matrix)
**Extraction Date:** 2026-02-11
**Status:** Complete

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## Overview

This index provides navigation to all functional requirements extraction documents for the TracerTM system. The extraction analyzed **672 API endpoints** across 3 services and **368 test files** to provide a complete picture of system functionality, coverage, and gaps.

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## Documents

### 1. Main Report: Comprehensive Requirements Analysis

**File:** `/docs/reports/FUNCTIONAL_REQUIREMENTS_EXTRACTION.md` (23 KB)

**Purpose:** Complete functional requirements specification with architectural analysis

**Contents:**
- Executive summary with key metrics
- API endpoint analysis (all 672 endpoints)
- 30+ feature area specifications
- 7 core functional pillars
- Test coverage analysis
- Feature tiering (Must Have / Should Have / Nice to Have)
- Architecture insights
- Detailed recommendations
- Appendices with complete feature list

**For:** Product managers, architects, feature teams, QA leads

**Quick Navigation:**
- Part 1: API Endpoint Analysis (pg 2-5)
- Part 2: Detailed Feature Specifications (pg 6-10)
- Part 3: Test Coverage Analysis (pg 11-13)
- Part 4: Gap Analysis (pg 14-15)
- Part 5: Feature Documentation (pg 16-18)
- Part 6: Architecture Insights (pg 19-20)
- Part 7: Testing Strategy (pg 21-22)
- Part 8: Feature Requirements Summary (pg 23)

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### 2. Quick Reference: API Endpoint Guide

**File:** `/docs/reference/API_QUICK_REFERENCE.md` (12 KB)

**Purpose:** Quick lookup guide for developers and integrators

**Contents:**
- API overview and routing structure
- Top 15 feature areas at a glance
- Endpoint quick reference by feature:
  - Authentication (8 endpoints)
  - Projects (98 endpoints)
  - Requirements Traceability (24 endpoints)
  - Testing & Quality (66 endpoints)
  - Graph Analysis (32 endpoints)
  - Integrations (92 endpoints)
  - AI & Automation (24 endpoints)
- HTTP methods summary
- Common query patterns
- Gateway routing explanation
- Critical endpoints checklist

**For:** Backend developers, API integrators, frontend developers

**Use Cases:**
- Quickly find endpoint URL format
- Understand method and status codes
- Look up common query parameters
- Find related endpoints

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### 3. Detailed Gap Analysis: Test Coverage Matrix

**File:** `/docs/research/TEST_COVERAGE_MATRIX.md` (16 KB)

**Purpose:** Comprehensive test coverage analysis with roadmap

**Contents:**
- Test file inventory (368 files across 3 layers)
- Feature-to-test mapping
- Test coverage heatmap (color-coded)
- Critical gap analysis
  - Completely untested: Blockchain, Spec Analytics, Codex
  - Under-tested: Agent, Journeys, Equivalences
- Test quality assessment
- Test infrastructure overview
- Continuous coverage tracking
- 3-phase improvement roadmap:
  - Immediate (next sprint): +27 endpoints
  - Short-term (next quarter): +50+ endpoints
  - Long-term (strategic): 90%+ coverage target

**For:** QA leads, test architects, engineering managers

**Decision Support:**
- Where to invest in testing first
- Which features have gaps
- Resource allocation guide
- Coverage improvement timeline

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### 4. Summary: Executive Brief

**File:** `/docs/reports/EXTRACTION_SUMMARY.txt` (11 KB)

**Purpose:** High-level executive summary with key findings

**Contents:**
- Completion status
- All 4 deliverables listed
- Key findings (API metrics, test coverage, feature tiers)
- Critical gaps identified
- Recommendations (3 priority levels)
- Architecture insights
- Success criteria confirmation
- Next steps for different teams

**For:** Executives, project leads, stakeholders

**Time to Read:** 5 minutes

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### 5. Architecture Reference: Feature Diagrams

**File:** `/docs/reports/FEATURE_ARCHITECTURE_DIAGRAM.txt` (21 KB)

**Purpose:** Visual reference for system architecture and feature organization

**Contents:**
- System architecture diagram (ASCII art)
- Feature pyramid (by criticality)
- 7 core functional pillars with ASCII diagrams
- Endpoint distribution by service
- Test coverage heatmap (visual)
- Feature interaction map
- Dependency chains (4 user workflows)
- Feature maturity indicators
- Coverage target roadmap

**For:** Architects, technical leads, system designers

**Key Diagrams:**
- Unified gateway routing
- Tier-based feature pyramid
- Feature interaction dependencies
- Service endpoint distribution
- Test coverage visual heatmap

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## Quick Access by Role

### Product Manager
1. Start: `EXTRACTION_SUMMARY.txt` (5 min overview)
2. Read: Part 8 of `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md` (feature tiers)
3. Reference: `FEATURE_ARCHITECTURE_DIAGRAM.txt` (system structure)

### Software Engineer
1. Bookmark: `API_QUICK_REFERENCE.md` (endpoint lookups)
2. Study: Part 1-2 of `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md`
3. Reference: `FEATURE_ARCHITECTURE_DIAGRAM.txt` for dependencies

### QA/Test Lead
1. Start: `EXTRACTION_SUMMARY.txt` (overview)
2. Deep dive: `TEST_COVERAGE_MATRIX.md` (full analysis)
3. Plan: Use recommendations section for roadmap

### Architect
1. Study: Part 5-6 of `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md`
2. Reference: `FEATURE_ARCHITECTURE_DIAGRAM.txt` (all diagrams)
3. Plan: Part 7 & 8 for integration strategy

### DevOps/Infrastructure
1. Reference: Gateway routing in `API_QUICK_REFERENCE.md`
2. Study: Part 6 (Architecture Insights)
3. Monitor: Test coverage metrics from matrix

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## Key Metrics at a Glance

| Metric | Value | Status |
|--------|-------|--------|
| **Total Endpoints** | 672 | Complete inventory |
| **Feature Areas** | 30+ | All documented |
| **Test Files** | 368 | Full count |
| **Test-to-Endpoint Ratio** | 1:1.8 | Adequate |
| **Overall Coverage** | ~55% | Gaps identified |
| **Critical Gaps** | 3 areas | Blockchain, Analytics, Codex |
| **Under-tested Areas** | 6 features | Marked for improvement |

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## Feature Tier Summary

### Tier 1: Core (Must Have)
**400 endpoints | High coverage | Critical for operation**
- Authentication, Projects, Items/Links, Test Management, Graphs, Integrations

### Tier 2: Advanced (Should Have)
**160 endpoints | Medium coverage | Important for workflows**
- Graph Analysis, QA Metrics, Workflows, AI/Chat, Agent Coordination

### Tier 3: Specialized (Nice to Have)
**100 endpoints | Low coverage | Specialized use cases**
- Blockchain, Spec Analytics, Journeys, Codex, Temporal

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## Critical Findings

### Strengths
- **Excellent repository testing** (35 test files covering all data access)
- **Strong security coverage** (7 dedicated security test files)
- **Good E2E testing** (53 Playwright tests for user workflows)
- **Comprehensive API testing** (29+ files for endpoints)

### Critical Gaps (Immediate Action Required)
1. **Blockchain (16 endpoints)** - 0% test coverage
2. **Spec Analytics (8 endpoints)** - 0% test coverage
3. **Codex (3 endpoints)** - 0% test coverage

### Under-Tested Areas (Next Priority)
- Agent coordination (10 endpoints, 40% coverage)
- Journey mapping (6 endpoints, 15% coverage)
- Equivalences (20 endpoints, 10% coverage)

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## Using These Documents

### For API Development
1. Reference `API_QUICK_REFERENCE.md` for endpoint format
2. Check `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md` Part 2 for feature context
3. Verify test coverage in `TEST_COVERAGE_MATRIX.md`

### For Feature Implementation
1. Identify tier in `EXTRACTION_SUMMARY.txt`
2. Read detailed spec in `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md`
3. Check test requirements in `TEST_COVERAGE_MATRIX.md`
4. Use `FEATURE_ARCHITECTURE_DIAGRAM.txt` for dependencies

### For Test Planning
1. Review `TEST_COVERAGE_MATRIX.md` for current state
2. Check critical gaps section
3. Use recommendations for prioritization
4. Follow roadmap for phasing

### For System Design
1. Study `FEATURE_ARCHITECTURE_DIAGRAM.txt`
2. Review `FUNCTIONAL_REQUIREMENTS_EXTRACTION.md` Part 6
3. Analyze feature interactions in architecture diagram
4. Plan integration points

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## Document Relationships

```
FUNCTIONAL_REQUIREMENTS_EXTRACTION.md (Comprehensive)
├── Referenced by: All other docs
├── Cross-references: OpenAPI specs, test files
├── Provides: Complete feature specifications
└── Best for: Deep understanding

API_QUICK_REFERENCE.md (Quick Lookup)
├── Extracted from: FUNCTIONAL_REQUIREMENTS_EXTRACTION.md Part 1
├── Organized by: Feature area
├── Provides: Endpoint format and quick access
└── Best for: Development reference

TEST_COVERAGE_MATRIX.md (Quality Analysis)
├── Analyzes: All 368 test files
├── Maps to: All 30+ features
├── Provides: Coverage gaps and roadmap
└── Best for: Test planning

FEATURE_ARCHITECTURE_DIAGRAM.txt (Visual Reference)
├── Illustrates: System organization
├── Shows: Feature relationships
├── Provides: Visual architecture guide
└── Best for: High-level understanding

EXTRACTION_SUMMARY.txt (Executive Brief)
├── Synthesizes: All findings
├── Highlights: Key metrics and gaps
├── Provides: Quick facts and recommendations
└── Best for: Overview and decision-making
```

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## Maintenance & Updates

**Document Review Cadence:**
- When new endpoints added: Update FUNCTIONAL_REQUIREMENTS_EXTRACTION.md and API_QUICK_REFERENCE.md
- Quarterly: Review test coverage matrix and update recommendations
- Major releases: Refresh all documentation for feature tier changes

**Ownership:**
- Main report: Architecture/Product team
- API reference: Developer advocate
- Test matrix: QA lead
- Architecture diagram: Tech lead
- Summary: Project manager

**Version Control:**
All documents are in `/docs/` and versioned with the codebase. See git history for change tracking.

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## Additional Resources

### OpenAPI Specifications
- `/openapi/gateway-api.json` - 333 endpoints
- `/openapi/go-api.json` - 83 endpoints
- `/openapi/python-api.json` - 256 endpoints

### Test Files
- `/tests/` - Python unit tests (203 files)
- `/backend/tests/` - Go tests (77 files)
- `/frontend/` - Frontend E2E tests (88+ files)

### Implementation Guides
- `/docs/guides/` - Implementation documentation
- `/docs/research/` - Technical research and analysis
- `/README.md` - Main project documentation

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## Contact & Questions

For questions about these documents:
1. Check the specific document section
2. Review FUNCTIONAL_REQUIREMENTS_EXTRACTION.md for detailed context
3. Consult FEATURE_ARCHITECTURE_DIAGRAM.txt for visual reference
4. Contact: Project team lead

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**Document Index Generated:** 2026-02-11
**Based on:** Complete codebase analysis (672 endpoints, 368 tests)
**Status:** All documents current and complete
