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---
title: issue:queue
sidebar_label: issue:queue
sidebar_position: 4
description: Form execution queue from bound solutions with conflict resolution
---
# issue:queue
Queue formation command using issue-queue-agent that analyzes bound solutions, resolves inter-solution conflicts, and creates an ordered execution queue.
## Description
The `issue:queue` command creates execution queues from planned issues with bound solutions. It performs solution-level conflict analysis, builds dependency DAGs, calculates semantic priority, and assigns execution groups (parallel/sequential).
### Key Features
- **Solution-level granularity**: Queue items are complete solutions, not individual tasks
- **Conflict resolution**: Automatic detection and user clarification for high-severity conflicts
- **Multi-queue support**: Create parallel queues for distributed execution
- **Semantic priority**: Intelligent ordering based on issue priority and task complexity
- **DAG-based grouping**: Parallel (P*) and Sequential (S*) execution groups
- **Queue history**: Track all queues with active queue management
## Usage
```bash
# Form new queue from all bound solutions
/issue:queue
# Form 3 parallel queues (solutions distributed)
/issue:queue --queues 3
# Form queue for specific issue only
/issue:queue --issue GH-123
# Append to active queue
/issue:queue --append GH-124
# List all queues
/issue:queue --list
# Switch active queue
/issue:queue --switch QUE-xxx
# Archive completed queue
/issue:queue --archive
```
### Arguments
| Argument | Required | Description |
|----------|----------|-------------|
| `--queues <n>` | No | Number of parallel queues (default: 1) |
| `--issue <id>` | No | Form queue for specific issue only |
| `--append <id>` | No | Append issue to active queue |
| `--force` | No | Skip active queue check, always create new |
| `-y, --yes` | No | Auto-confirm, use recommended resolutions |
### CLI Subcommands
```bash
ccw issue queue list # List all queues with status
ccw issue queue add <issue-id> # Add issue to queue
ccw issue queue add <issue-id> -f # Force add to new queue
ccw issue queue merge <src> --queue <target> # Merge queues
ccw issue queue switch <queue-id> # Switch active queue
ccw issue queue archive # Archive current queue
ccw issue queue delete <queue-id> # Delete queue from history
```
## Examples
### Create Single Queue
```bash
/issue:queue
# Output:
# Loading 5 bound solutions...
# Generating queue: QUE-20251227-143000
# Analyzing conflicts...
# ✓ Queue created: 5 solutions, 3 execution groups
# - P1: S-1, S-2 (parallel)
# - S1: S-3 (sequential)
# - P2: S-4, S-5 (parallel)
# Next: /issue:execute --queue QUE-20251227-143000
```
### Create Multiple Parallel Queues
```bash
/issue:queue --queues 3
# Distributes solutions to minimize cross-queue conflicts
# Creates: QUE-20251227-143000-1, QUE-20251227-143000-2, QUE-20251227-143000-3
# All linked via queue_group: QGR-20251227-143000
```
### Append to Existing Queue
```bash
/issue:queue --append GH-124
# Checks active queue exists
# Adds new solution to end of active queue
# Recalculates execution groups
```
## Issue Lifecycle Flow
```mermaid
graph TB
A[Planned Issues + Bound Solutions] --> B[Load Solutions]
B --> C{Multi-Queue?}
C -->|Yes| D[Partition Solutions]
C -->|No| E[Single Queue]
D --> F[Launch N Agents Parallel]
E --> G[Launch Agent]
F --> H[Conflict Analysis]
G --> H
H --> I{High-Severity
Conflicts?}
I -->|Yes| J[User Clarification]
I -->|No| K[Build DAG]
J --> K
K --> L[Calculate Priority]
L --> M[Assign Groups]
M --> N[Write Queue + Index]
N --> O{Active Queue
Exists?}
O -->|No| P[Activate New Queue]
O -->|Yes| Q[User Decision]
Q --> R1[Merge]
Q --> R2[Switch]
Q --> R3[Cancel]
R1 --> S[Queue Ready]
R2 --> S
P --> S
```
## Execution Groups
### Parallel Groups (P*)
Solutions with NO file conflicts can execute simultaneously:
```
P1: S-1, S-2, S-3 → 3 executors work in parallel
```
### Sequential Groups (S*)
Solutions with shared dependencies must execute in order:
```
S1: S-4 → S-5 → S-6 → Execute one after another
```
### Mixed Execution
```
P1: S-1, S-2 (parallel)
S1: S-3 (sequential, waits for P1)
P2: S-4, S-5 (parallel, waits for S1)
```
## Conflict Types
### 1. File Conflicts
Solutions modify the same file:
```json
{
"conflict_id": "CFT-1",
"type": "file",
"severity": "high",
"solutions": ["S-1", "S-2"],
"files": ["src/auth/login.ts"],
"resolution": "sequential"
}
```
**Resolution**: S-1 before S-2 in sequential group
### 2. API Conflicts
Solutions change shared interfaces:
```json
{
"conflict_id": "CFT-2",
"type": "api",
"severity": "high",
"solutions": ["S-3", "S-4"],
"interfaces": ["AuthService.login()"],
"resolution": "sequential"
}
```
**Resolution**: User clarifies which approach to use
### 3. Data Conflicts
Solutions modify same database schema:
```json
{
"conflict_id": "CFT-3",
"type": "data",
"severity": "medium",
"solutions": ["S-5", "S-6"],
"tables": ["users"],
"resolution": "sequential"
}
```
**Resolution**: S-5 before S-6
### 4. Dependency Conflicts
Solutions require incompatible versions:
```json
{
"conflict_id": "CFT-4",
"type": "dependency",
"severity": "high",
"solutions": ["S-7", "S-8"],
"packages": ["redis@4.x vs 5.x"],
"resolution": "clarification"
}
```
**Resolution**: User selects version or defers one solution
### 5. Architecture Conflicts
Solutions have opposing architectural approaches:
```json
{
"conflict_id": "CFT-5",
"type": "architecture",
"severity": "medium",
"solutions": ["S-9", "S-10"],
"approaches": ["monolithic", "microservice"],
"resolution": "clarification"
}
```
**Resolution**: User selects approach or separates concerns
## Queue Structure
### Directory Layout
```
.workflow/issues/queues/
├── index.json # Queue index (active + history)
├── QUE-20251227-143000.json # Individual queue file
├── QUE-20251227-143000-1.json # Multi-queue partition 1
├── QUE-20251227-143000-2.json # Multi-queue partition 2
└── QUE-20251227-143000-3.json # Multi-queue partition 3
```
### Index Schema
```typescript
interface QueueIndex {
active_queue_id: string | null;
active_queue_group: string | null;
queues: QueueEntry[];
}
interface QueueEntry {
id: string;
queue_group?: string; // Links multi-queue partitions
queue_index?: number; // Position in group (1-based)
total_queues?: number; // Total queues in group
status: 'active' | 'archived' | 'deleted';
issue_ids: string[];
total_solutions: number;
completed_solutions: number;
created_at: string;
}
```
### Queue File Schema
```typescript
interface Queue {
queue_id: string;
queue_group?: string;
solutions: QueueSolution[];
execution_groups: ExecutionGroup[];
conflicts: Conflict[];
priority_order: string[];
created_at: string;
}
interface QueueSolution {
item_id: string; // S-1, S-2, S-3...
issue_id: string;
solution_id: string;
status: 'pending' | 'in_progress' | 'completed' | 'failed';
task_count: number;
files_touched: string[];
priority_score: number;
}
interface ExecutionGroup {
id: string; // P1, S1, P2...
type: 'parallel' | 'sequential';
items: string[]; // S-1, S-2...
}
```
## Clarification Flow
When high-severity conflicts exist without clear resolution:
```bash
# Interactive prompt
[CFT-5] File conflict: src/auth/login.ts modified by both S-1 and S-2
Options:
[1] Sequential: Execute S-1 first, then S-2
[2] Sequential: Execute S-2 first, then S-1
[3] Merge: Combine changes into single solution
[4] Defer: Remove one solution from queue
User selects: [1]
# Agent resumes with resolution
# Updates queue with sequential ordering: S1: [S-1, S-2]
```
## Related Commands
- **[issue:plan](./issue-plan.md)** - Plan solutions before queuing
- **[issue:execute](./issue-execute.md)** - Execute queued solutions
- **[issue:new](./issue-new.md)** - Create issues to plan and queue
- **ccw issue queue dag** - View dependency graph
- **ccw issue next** - Get next item from queue
## Best Practices
1. **Plan before queue**: Ensure all issues have bound solutions
2. **Review conflicts**: Check conflict report before execution
3. **Use parallel queues**: For large projects, distribute work
4. **Archive completed**: Keep queue history for reference
5. **Check unplanned**: Review planned but unqueued issues
6. **Validate DAG**: Ensure no circular dependencies
## CLI Endpoints
```bash
# List planned issues with bound solutions
ccw issue solutions --status planned --brief
# Create/update queue
ccw issue queue form
# Sync issue statuses from queue
ccw issue update --from-queue [queue-id]
# View queue DAG
ccw issue queue dag --queue <queue-id>
# Get next item
ccw issue next --queue <queue-id>
```