Spec Kit Bridge

Spec Kit Bridge

Purpose

This skill is procedural glue between GitHub Spec Kit and this project's domain skills. It does NOT replace spec-kit or contain domain logic—it coordinates the workflow.

What This Skill Does

• Detects/clarifies current phase (Specify → Plan → Tasks → Implement)
• Explains which spec-kit interface to use (CLI vs slash commands)
• Routes agent to existing domain skills (@spec-first, @topology-first, etc.)
• Enforces the worktree + branch invariant
• Enforces task granularity rules for parallel agents

What This Skill Does NOT Do

• Write specs for you (that's @spec-first)
• Replace spec-kit commands
• Contain domain logic (that's @topology-first, @persistence, etc.)

Core Invariant

One spec = one feature branch = one git worktree

This is non-negotiable. Spec work is never done directly on main.

Spec Kit Interfaces

Agents may use either interface to produce the same artifacts:

Artifacts are the source of truth, not the interface used to create them.

Phase Workflow

See phase-mapping.md for detailed phase → skill routing.

Quick Reference

1. Constitution  → Shared, rarely edited (separate PR if changed)
2. Specify       → @spec-first → specs/<feature>/spec.md
3. Clarify       → @spec-first → refine spec.md
4. Plan          → @topology-first / @persistence → specs/<feature>/plan.md
5. Tasks         → @spec-kit-bridge → specs/<feature>/tasks.md
6. Implement     → @implement-feature + domain skills → code + tests
7. Review        → @code-review → PR approval

Starting a New Spec

# 1. Create worktree + branch
task spec:new plate-merger

# 2. Enter the worktree
cd ../fantasim-world--plate-merger

# 3. Run spec-kit (choose one):
#    CLI:
task spec:specify FEATURE=plate-merger
#    Or slash command:
#    /speckit.specify

# 4. Continue through phases...
task spec:plan FEATURE=plate-merger
task spec:tasks FEATURE=plate-merger

# 5. Implement tasks, commit with task IDs

# 6. When done, merge and cleanup
task spec:done plate-merger

Worktree Layout

See worktree-playbook.md for full details.

fantasim-world/                      # Main worktree
├── .specify/
│   └── memory/constitution.md       # Shared constitution
└── specs/
    └── completed/                   # Merged specs (archive)

../fantasim-world--<feature>/        # Feature worktree
├── .specify/                        # Inherited from branch
└── specs/<feature>/
    ├── spec.md                      # Requirements
    ├── plan.md                      # Technical plan
    └── tasks.md                     # Task list

Task Granularity Rules

When generating tasks (/speckit.tasks or specify tasks):

1. Agent-separable: Each task must be independently completable
2. Testable: Each task should have clear success criteria
3. Minimal coupling: Avoid cross-task dependencies where possible
4. Traceable: Tasks reference spec sections; commits reference task IDs

Slice Tags

During Specify phase, specs should include slice tags:

## Slice Tags
- Geosphere.Topology
- Persistence

This enables automatic routing to the correct domain skills during Plan/Implement.

Related Skills

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