# Functional Requirements - TraceRTM

**Date**: 2025-11-22  
**Version**: 1.0  
**Status**: APPROVED

---

## FR-1: ITEM MANAGEMENT

### FR-1.1: Create Item
**Description**: Users can create new items (requirements, designs, implementations, tests, deployments)

**Acceptance Criteria**:
- [ ] User can create item with title, type, description
- [ ] Item is assigned unique UUID
- [ ] Item status defaults to DRAFT
- [ ] Item creation timestamp recorded
- [ ] Item appears in all views immediately
- [ ] User receives confirmation notification

**API Endpoint**: `POST /api/items`

**GraphQL Mutation**:
```graphql
mutation CreateItem($input: CreateItemInput!) {
  createItem(input: $input) {
    id
    title
    type
    status
    createdAt
  }
}
```

**tRPC Procedure**: `items.create`

### FR-1.2: Read Item
**Description**: Users can view item details

**Acceptance Criteria**:
- [ ] User can view item title, type, description
- [ ] User can view item status, timestamps
- [ ] User can view item links (incoming/outgoing)
- [ ] User can view item agents working on it
- [ ] User can view item history/changelog
- [ ] User can view item quality checks

**API Endpoint**: `GET /api/items/:id`

### FR-1.3: Update Item
**Description**: Users can modify item details

**Acceptance Criteria**:
- [ ] User can update title, description
- [ ] User can change status (DRAFT → ACTIVE → ARCHIVED)
- [ ] User can add/remove tags
- [ ] Update timestamp recorded
- [ ] Change history tracked
- [ ] Real-time sync to all connected clients

**API Endpoint**: `PATCH /api/items/:id`

### FR-1.4: Delete Item
**Description**: Users can delete items

**Acceptance Criteria**:
- [ ] User can soft-delete item (mark as archived)
- [ ] User can hard-delete item (admin only)
- [ ] Linked items notified of deletion
- [ ] Deletion logged in audit trail
- [ ] Undo available for 30 days

**API Endpoint**: `DELETE /api/items/:id`

### FR-1.5: Bulk Operations
**Description**: Users can perform bulk operations on items

**Acceptance Criteria**:
- [ ] User can select multiple items
- [ ] User can bulk update status
- [ ] User can bulk add tags
- [ ] User can bulk delete items
- [ ] Bulk operations are atomic
- [ ] Progress indicator shown

**API Endpoint**: `POST /api/items/bulk`

---

## FR-2: LINK MANAGEMENT

### FR-2.1: Create Link
**Description**: Users can create links between items

**Acceptance Criteria**:
- [ ] User can create link with type (DEPENDS_ON, BLOCKS, RELATES_TO, IMPLEMENTS)
- [ ] Link connects source and target items
- [ ] Link is bidirectional (both directions visible)
- [ ] Link creation timestamp recorded
- [ ] Link appears in graph visualization
- [ ] Circular dependencies detected and warned

**API Endpoint**: `POST /api/links`

### FR-2.2: Read Link
**Description**: Users can view link details

**Acceptance Criteria**:
- [ ] User can view link type, source, target
- [ ] User can view link metadata
- [ ] User can view link creation timestamp
- [ ] User can view link in graph context

**API Endpoint**: `GET /api/links/:id`

### FR-2.3: Update Link
**Description**: Users can modify link details

**Acceptance Criteria**:
- [ ] User can change link type
- [ ] User can update link metadata
- [ ] Update timestamp recorded
- [ ] Real-time sync to all connected clients

**API Endpoint**: `PATCH /api/links/:id`

### FR-2.4: Delete Link
**Description**: Users can delete links

**Acceptance Criteria**:
- [ ] User can delete link
- [ ] Deletion logged in audit trail
- [ ] Graph visualization updated
- [ ] Undo available for 30 days

**API Endpoint**: `DELETE /api/links/:id`

---

## FR-3: AGENT MANAGEMENT

### FR-3.1: Agent Registration
**Description**: Agents can register and connect to system

**Acceptance Criteria**:
- [ ] Agent can register with name, credentials
- [ ] Agent receives unique ID
- [ ] Agent status set to IDLE
- [ ] Agent connection tracked
- [ ] Agent heartbeat monitored

**API Endpoint**: `POST /api/agents/register`

### FR-3.2: Agent Status
**Description**: System tracks agent status

**Acceptance Criteria**:
- [ ] Agent status: IDLE, WORKING, ERROR
- [ ] Agent last_seen timestamp updated
- [ ] Agent current_item tracked
- [ ] Agent status visible in UI
- [ ] Agent status changes broadcast to all clients

**WebSocket Event**: `agent:status-changed`

### FR-3.3: Agent Work Assignment
**Description**: Agents can be assigned work

**Acceptance Criteria**:
- [ ] Agent can claim item to work on
- [ ] Item status changes to ACTIVE
- [ ] Agent status changes to WORKING
- [ ] Other agents notified of assignment
- [ ] Agent can update progress
- [ ] Agent can complete work

**API Endpoint**: `POST /api/agents/:id/work`

---

## FR-4: GRAPH VISUALIZATION

### FR-4.1: Graph Rendering
**Description**: System renders item graph with 1000+ nodes

**Acceptance Criteria**:
- [ ] Graph renders all items as nodes
- [ ] Graph renders all links as edges
- [ ] Graph handles 1000+ nodes without lag
- [ ] Graph uses force-directed layout
- [ ] Graph is interactive (pan, zoom, drag)
- [ ] Graph performance optimized

**Library**: Cytoscape.js

### FR-4.2: Graph Filtering
**Description**: Users can filter graph view

**Acceptance Criteria**:
- [ ] User can filter by item type
- [ ] User can filter by item status
- [ ] User can filter by link type
- [ ] User can search for items
- [ ] Filters applied in real-time
- [ ] Filter state persisted

**UI Component**: GraphFilter

### FR-4.3: Graph Interaction
**Description**: Users can interact with graph

**Acceptance Criteria**:
- [ ] User can click node to view item
- [ ] User can drag node to reposition
- [ ] User can hover node to see details
- [ ] User can right-click node for context menu
- [ ] User can select multiple nodes
- [ ] User can zoom and pan

**UI Component**: GraphViewer

---

## FR-5: NODE EDITOR

### FR-5.1: Node Editor Rendering
**Description**: System renders node editor for workflow design

**Acceptance Criteria**:
- [ ] Node editor renders nodes and edges
- [ ] Node editor handles 100+ nodes
- [ ] Node editor is interactive
- [ ] Node editor supports undo/redo
- [ ] Node editor auto-saves
- [ ] Node editor performance optimized

**Library**: React Flow

### FR-5.2: Node Types
**Description**: System supports multiple node types

**Acceptance Criteria**:
- [ ] Input nodes (start points)
- [ ] Output nodes (end points)
- [ ] Process nodes (transformations)
- [ ] Decision nodes (branching)
- [ ] Custom nodes (user-defined)
- [ ] Each node type has specific properties

**UI Component**: NodeEditor

### FR-5.3: Edge Types
**Description**: System supports multiple edge types

**Acceptance Criteria**:
- [ ] Straight edges
- [ ] Curved edges
- [ ] Animated edges
- [ ] Conditional edges
- [ ] Each edge type has specific properties

**UI Component**: NodeEditor

---

## FR-6: CODE EDITOR

### FR-6.1: Code Editor
**Description**: Users can write and edit code

**Acceptance Criteria**:
- [ ] Code editor supports multiple languages
- [ ] Code editor has syntax highlighting
- [ ] Code editor has auto-completion
- [ ] Code editor has error detection
- [ ] Code editor has formatting
- [ ] Code editor has line numbers

**Library**: Monaco Editor

### FR-6.2: Live Preview
**Description**: Users can preview code execution

**Acceptance Criteria**:
- [ ] Code preview renders in iframe
- [ ] Preview updates in real-time
- [ ] Preview shows errors
- [ ] Preview shows console output
- [ ] Preview is sandboxed

**UI Component**: CodeEditor + LivePreview

---

## FR-7: QUALITY CHECKS

### FR-7.1: Quality Check Execution
**Description**: System runs quality checks on items

**Acceptance Criteria**:
- [ ] Quality checks run automatically
- [ ] Quality checks run on demand
- [ ] Quality checks show results
- [ ] Quality checks show recommendations
- [ ] Quality checks are configurable

**API Endpoint**: `POST /api/items/:id/quality-check`

### FR-7.2: Quality Check Types
**Description**: System supports multiple quality check types

**Acceptance Criteria**:
- [ ] Completeness checks
- [ ] Consistency checks
- [ ] Dependency checks
- [ ] Performance checks
- [ ] Security checks
- [ ] Custom checks

**UI Component**: QualityChecks

---

## FR-8: CONFLICT RESOLUTION

### FR-8.1: Conflict Detection
**Description**: System detects conflicts in real-time

**Acceptance Criteria**:
- [ ] System detects concurrent edits
- [ ] System detects circular dependencies
- [ ] System detects missing dependencies
- [ ] System detects inconsistencies
- [ ] Conflicts shown in UI

**API Endpoint**: `GET /api/conflicts`

### FR-8.2: Conflict Resolution
**Description**: Users can resolve conflicts

**Acceptance Criteria**:
- [ ] User can view conflict details
- [ ] User can choose resolution strategy
- [ ] User can merge changes
- [ ] User can discard changes
- [ ] Resolution is atomic
- [ ] Resolution is logged

**UI Component**: ConflictResolver

---

## FR-9: REAL-TIME COLLABORATION

### FR-9.1: Real-Time Sync
**Description**: Changes sync in real-time across clients

**Acceptance Criteria**:
- [ ] Changes sync within 100ms
- [ ] Sync works offline
- [ ] Sync resolves conflicts
- [ ] Sync maintains consistency
- [ ] Sync is reliable

**Technology**: Supabase Realtime + CRDT

### FR-9.2: Presence
**Description**: System shows who is online

**Acceptance Criteria**:
- [ ] User presence shown in UI
- [ ] User cursor position shown
- [ ] User selection shown
- [ ] Presence updates in real-time
- [ ] Presence persists for 5 minutes

**WebSocket Event**: `presence:update`

---

## FR-10: INTEGRATIONS

### FR-10.1: Jira Integration
**Description**: System integrates with Jira

**Acceptance Criteria**:
- [ ] User can connect Jira account
- [ ] User can sync Jira issues
- [ ] User can create Jira issues from items
- [ ] User can update Jira issues from items
- [ ] Sync is bidirectional
- [ ] Sync is automatic

**API Endpoint**: `POST /api/integrations/jira`

### FR-10.2: GitHub Integration
**Description**: System integrates with GitHub

**Acceptance Criteria**:
- [ ] User can connect GitHub account
- [ ] User can sync GitHub issues
- [ ] User can create GitHub issues from items
- [ ] User can update GitHub issues from items
- [ ] Sync is bidirectional
- [ ] Sync is automatic

**API Endpoint**: `POST /api/integrations/github`

### FR-10.3: Slack Integration
**Description**: System integrates with Slack

**Acceptance Criteria**:
- [ ] User can connect Slack workspace
- [ ] User can send notifications to Slack
- [ ] User can create items from Slack
- [ ] User can update items from Slack
- [ ] Notifications are customizable

**API Endpoint**: `POST /api/integrations/slack`


