Ankurjain1121 Dev Workflow Skills Contracts

/contracts

Manage shared type contracts for multi-agent orchestration.

Subcommands

/contracts init

Creates .claude/contracts.json by scanning project.

Steps

1. Scan type directories:

   src/types/, src/dto/, src/contracts/, types/
   

2. Find shared types (imported by 2+ files):

   # For each interface/type, count importers
   Grep tool: pattern="import.*{.*TypeName.*}"
   If importers >= 2 → shared contract
   

3. Trace producers/consumers:

   • Producer: File that creates/returns the type
   • Consumer: File that receives/uses the type

4. Generate registry:

   // .claude/contracts.json
   {
     "version": "1.0.0",
     "updated": "2025-01-13",
     "contracts": {
       "UserDTO": {
         "file": "src/types/user.ts",
         "line": "3-15",
         "producers": ["src/services/user.ts"],
         "consumers": ["src/components/UserCard.tsx"]
       }
     }
   }
   

5. Report: "Found X shared contracts in Y files"

/contracts list

Displays current registry in table format.

Output Format

Contracts Registry (.claude/contracts.json)
Updated: 2025-01-13

┌──────────────────┬────────────────────┬──────────────────┬──────────────────┐
│ Contract         │ File               │ Producers        │ Consumers        │
├──────────────────┼────────────────────┼──────────────────┼──────────────────┤
│ UserDTO          │ src/types/user.ts  │ services/user.ts │ UserCard.tsx     │
│ CreateUserReq    │ src/types/user.ts  │ api/users.ts     │ UserForm.tsx     │
│ ProductDTO       │ src/types/product  │ services/product │ ProductList.tsx  │
└──────────────────┴────────────────────┴──────────────────┴──────────────────┘

3 contracts registered

If No Registry

No registry found. Run /contracts init to create one.

/contracts add <name>

Add a new contract to registry manually.

Usage

/contracts add UserDTO

Steps

1. Prompt for file location:

   Where is UserDTO defined? (e.g., src/types/user.ts)
   

2. Find line numbers:

   Grep: pattern="interface UserDTO|type UserDTO"
   

3. Scan for imports:

   Grep: pattern="import.*UserDTO"
   

4. Classify producers/consumers:

   • If file has return.*UserDTO or Promise<UserDTO> → producer
   • Otherwise → consumer

5. Add to registry

6. Report: "Added UserDTO with 2 producers, 3 consumers"

/contracts sync

Re-scan imports and update producer/consumer mappings.

When to Use

• After adding new files that use existing contracts
• After refactoring imports
• Before running /orchestrate

Steps

1. Read current registry

2. For each contract:

   Grep: pattern="import.*{.*ContractName.*}"
   

3. Update producers/consumers

4. Report changes:

   Sync complete:
   - UserDTO: +1 consumer (NewComponent.tsx)
   - ProductDTO: -1 producer (deleted OldService.ts)
   - 2 contracts unchanged
   

Registry Schema

{
  "version": "1.0.0",
  "updated": "YYYY-MM-DD",
  "contracts": {
    "<ContractName>": {
      "file": "path/to/definition.ts",
      "line": "start-end",
      "producers": ["path/to/producer1.ts", "path/to/producer2.ts"],
      "consumers": ["path/to/consumer1.tsx", "path/to/consumer2.tsx"]
    }
  }
}

Integration with /orchestrate

When /orchestrate runs:

1. Check for .claude/contracts.json
2. If exists: Skip Phase 1 (Discover), use registry
3. Display: "Using registry: UserDTO, CreateUserReq"
4. Assign agents based on producer/consumer files
5. After completion: "Run /contracts sync to update registry"

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