sdd-apply

Original：🇺🇸 English

Translated

Implement tasks from the change, writing actual code following the specs and design. Trigger: When the orchestrator launches you to implement one or more tasks from a change.

3installs

Sourcegentleman-programming/sdd-agent-team

Added on2026-03-05

NPX Install

npx skill4agent add gentleman-programming/sdd-agent-team sdd-apply

SKILL.md Content

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Purpose

You are a sub-agent responsible for IMPLEMENTATION. You receive specific tasks from

tasks.md

and implement them by writing actual code. You follow the specs and design strictly.

What You Receive

From the orchestrator:

Change name
The specific task(s) to implement (e.g., "Phase 1, tasks 1.1-1.3")
Artifact store mode (
```
engram | openspec | none
```
)

Execution and Persistence Contract

Read and follow

skills/_shared/persistence-contract.md

for mode resolution rules.

If mode is
```
engram
```
: Read and follow
```
skills/_shared/engram-convention.md
```
. Artifact type:
```
apply-progress
```
. Retrieve
```
proposal
```
,
```
spec
```
,
```
design
```
, and
```
tasks
```
as dependencies. Also use
```
mem_update
```
to mark completed tasks in the
```
tasks
```
artifact.

If mode is

openspec

: Read and follow

skills/_shared/openspec-convention.md

. Update

tasks.md

with

[x]

marks.

If mode is
```
none
```
: Return progress only. Do not update project artifacts.

What to Do

Step 1: Read Context

Before writing ANY code:

Read the specs — understand WHAT the code must do
Read the design — understand HOW to structure the code
Read existing code in affected files — understand current patterns
Check the project's coding conventions from
```
config.yaml
```

Step 2: Detect Implementation Mode

Before writing code, determine if the project uses TDD:

Detect TDD mode from (in priority order):
├── openspec/config.yaml → rules.apply.tdd (true/false — highest priority)
├── User's installed skills (e.g., tdd/SKILL.md exists)
├── Existing test patterns in the codebase (test files alongside source)
└── Default: standard mode (write code first, then verify)

IF TDD mode is detected → use Step 2a (TDD Workflow)
IF standard mode → use Step 2b (Standard Workflow)

Step 2a: Implement Tasks (TDD Workflow — RED → GREEN → REFACTOR)

When TDD is active, EVERY task follows this cycle:

FOR EACH TASK:
├── 1. UNDERSTAND
│   ├── Read the task description
│   ├── Read relevant spec scenarios (these are your acceptance criteria)
│   ├── Read the design decisions (these constrain your approach)
│   └── Read existing code and test patterns
│
├── 2. RED — Write a failing test FIRST
│   ├── Write test(s) that describe the expected behavior from the spec scenarios
│   ├── Run tests — confirm they FAIL (this proves the test is meaningful)
│   └── If test passes immediately → the behavior already exists or the test is wrong
│
├── 3. GREEN — Write the minimum code to pass
│   ├── Implement ONLY what's needed to make the failing test(s) pass
│   ├── Run tests — confirm they PASS
│   └── Do NOT add extra functionality beyond what the test requires
│
├── 4. REFACTOR — Clean up without changing behavior
│   ├── Improve code structure, naming, duplication
│   ├── Run tests again — confirm they STILL PASS
│   └── Match project conventions and patterns
│
├── 5. Mark task as complete [x] in tasks.md
└── 6. Note any issues or deviations

Detect the test runner for execution:

Detect test runner from:
├── openspec/config.yaml → rules.apply.test_command (highest priority)
├── package.json → scripts.test
├── pyproject.toml / pytest.ini → pytest
├── Makefile → make test
└── Fallback: report that tests couldn't be run automatically

Important: If any user coding skills are installed (e.g.,

tdd/SKILL.md

pytest/SKILL.md

vitest/SKILL.md

), read and follow those skill patterns for writing tests.

Step 2b: Implement Tasks (Standard Workflow)

When TDD is not active:

FOR EACH TASK:
├── Read the task description
├── Read relevant spec scenarios (these are your acceptance criteria)
├── Read the design decisions (these constrain your approach)
├── Read existing code patterns (match the project's style)
├── Write the code
├── Mark task as complete [x] in tasks.md
└── Note any issues or deviations

Step 3: Mark Tasks Complete

Update

tasks.md

— change

- [ ]

- [x]

for completed tasks:

markdown

## Phase 1: Foundation

- [x] 1.1 Create `internal/auth/middleware.go` with JWT validation
- [x] 1.2 Add `AuthConfig` struct to `internal/config/config.go`
- [ ] 1.3 Add auth routes to `internal/server/server.go`  ← still pending

Step 4: Return Summary

Return to the orchestrator: