Feature Conductor — Prepare

Context artifacts preparation orchestrator — generates all context artifacts (module models, HTML mockups, technical specifications, test specifications) needed before code implementation can begin.

Ralph Loop Integration (AUTO-START — MANDATORY)

This skill AUTOMATICALLY starts a Ralph Loop to ensure complete artifact generation across all steps. Without Ralph Loop, the preparation may stop prematurely due to context window limits, API usage limits, or the agent incorrectly concluding work is "done enough". Ralph Loop ensures the same prompt is re-fed after each session exit, and the agent picks up where it left off.

FIRST ACTION: Start Ralph Loop

BEFORE doing anything else (before Phase 0, before reading any files), you MUST invoke the Ralph Loop skill using the Skill tool. This is a blocking requirement — do NOT proceed with any work until Ralph Loop is active.

Invoke this immediately:

Skill(skill: "ralph-loop:ralph-loop", args: "/conductor-feature-prepare <application> [version:<version>] [module:<module>] --completion-promise \"ALL ARTIFACTS GENERATED\" --max-iterations 20")

Replace <application> and optional arguments with the actual arguments provided by the user.

Example: If the user invokes:

/conductor-feature-prepare mainapp

Then invoke:

Skill(skill: "ralph-loop:ralph-loop", args: "/conductor-feature-prepare mainapp --completion-promise \"ALL ARTIFACTS GENERATED\" --max-iterations 20")

If the user provides optional arguments:

/conductor-feature-prepare mainapp version:v2 module:user

Then invoke:

Skill(skill: "ralph-loop:ralph-loop", args: "/conductor-feature-prepare mainapp version:v2 module:user --completion-promise \"ALL ARTIFACTS GENERATED\" --max-iterations 20")

After Ralph Loop is active, proceed with Phase 0 (Resume Check) and continue normally.

How It Works

1. This skill auto-starts a Ralph Loop with the orchestrator prompt as the loop body
2. On each iteration, the agent checks which artifacts have already been generated
3. The agent generates one or more artifacts until context runs out or all are done
4. When the agent tries to exit, the Ralph Loop stop hook re-feeds the same prompt
5. The next iteration resumes from where the last one left off
6. When ALL artifacts are generated, the agent outputs the completion promise to exit the loop

Completion Promise

When ALL artifacts have been generated (or confirmed to already exist), output the following promise tag to signal the Ralph Loop that preparation is finished:

<promise>ALL ARTIFACTS GENERATED</promise>

CRITICAL: Only output this promise when EVERY artifact step has completed:

• User story items tagged
• Module models generated
• HTML mockups generated
• Technical specifications generated
• Test specifications generated

Do NOT output the promise prematurely. Do NOT output it to escape the loop.

Iteration Awareness

At the START of every iteration (including the first), the agent MUST:

1. Check if Ralph Loop is already active (if .claude/ralph-loop.local.md exists, skip re-invoking)
2. Read <app_folder>/context/prepare/PREPARE_MASTER.md (the progress source of truth) if it

exists, to determine which steps and versions are already COMPLETED

1. Verify against the <app_folder>/context/ subfolders that the artifacts the tracker marks

COMPLETED actually exist (reconcile the tracker if an artifact was deleted)

1. Skip steps already marked COMPLETED (unless version increment mode)
2. Resume from the first incomplete step
3. If the tracker's top-level status is COMPLETED (all steps for all versions done), output the

completion promise and stop

Inputs

The skill expects these arguments:

/conductor-feature-prepare <application> [version:<version>] [module:<module>]

Input Resolution

The application name is matched against root-level application folders:

1. Strip any leading <number>_ prefix from folder names (e.g., 1_hub_middleware → hub_middleware)
2. Match case-insensitively against the provided application name
3. Accept snake_case, kebab-case, or title-case input
4. If no match found, list available applications and stop

Auto-Resolved Paths

Version Resolution

The version: argument supports four forms:

#### Version Discovery

When version:all or omitted:

1. Scan PRD.md for all [vX.Y.Z] version tags across all module sections
2. Collect unique versions
3. Sort in ascending semantic version order (v1.0.0 < v1.0.1 < v1.1.0 < v2.0.0)
4. This becomes the ordered version list for sequential processing

#### Sequential Version Processing Rule

Versions are ALWAYS processed one at a time, in ascending semver order. All artifacts for version N must be fully generated (or confirmed to already exist) before version N+1 begins. This ensures:

• Module models from earlier versions are in place before later version models are layered on
• Mockups, specifications, and test specs build incrementally on prior version artifacts
• Each version's artifacts reflect the cumulative state up to that version

Pre-Requisite: Project Information from CLAUDE.md (MANDATORY)

CLAUDE.md is automatically loaded into context at the start of every session. It contains project details, infrastructure paths, credentials, and configuration. You do NOT need to read it manually — the information is already available in your context.

Redo/Redevelop Guard

This guard prevents accidental re-execution of already-completed work while allowing incremental processing of new versions. It uses a partition and filter approach, driven by the PREPARE_MASTER.md tracker (the source of truth for what has been prepared).

1. Read <app_folder>/context/prepare/PREPARE_MASTER.md. If it does not exist, skip this check

(nothing has been prepared yet — every resolved version is new).

1. Resolve the version list (see Version Resolution).
2. Partition the resolved versions into two groups, using the tracker's **Version Processing

Order** table:

• completed_versions — versions whose row is marked COMPLETED in PREPARE_MASTER.md
• new_versions — versions with no row, or a row not yet COMPLETED

1. Decision:

1. Update the resolved version list to contain only the versions that will be processed

(either new_versions or all versions for redo). This filtered list is what the Sequential Version Loop in Phase 1 will iterate over.

Workflow

Phase 0: Resume Check (Runs Every Ralph Loop Iteration)

This phase runs at the START of every iteration, including the first. In a Ralph Loop, each iteration begins fresh with the same prompt, so the agent MUST check existing artifacts to understand what has already been completed.

1. Auto-Start Ralph Loop — Check if .claude/ralph-loop.local.md exists. If it does NOT

exist, Ralph Loop is not yet active. Invoke it NOW using the Skill tool:

   Skill(skill: "ralph-loop:ralph-loop", args: "<the full /conductor-feature-prepare invocation with args> --completion-promise \"ALL ARTIFACTS GENERATED\" --max-iterations 20")

If .claude/ralph-loop.local.md already exists, Ralph Loop is active — skip this step.

1. Use project information from CLAUDE.md (already in context) — extract database type,

design system, technology stack, and all infrastructure details.

1. Resolve the version list using the Version Resolution rules:

• Single version → [v2]
• Comma-separated → parse and sort ascending by semver → [v1, v2, v3]
• all or omitted → scan PRD.md for ALL [vX.Y.Z] tags, deduplicate, sort ascending

1. Read the progress tracker <app_folder>/context/prepare/PREPARE_MASTER.md if it exists:

• It is the source of truth for which steps/versions are COMPLETED
• Reconcile it against the artifact folders below (if the tracker says COMPLETED but the

artifact is missing, reset that entry to PENDING)

• If it does NOT exist, this is a fresh start — Phase 1 Step 1.1.1 will create it

Then check which artifacts actually exist on disk:

• Check <app_folder>/context/model/ for module model files
• Check <app_folder>/context/mockup/ for HTML mockup files
• Check <app_folder>/context/specification/ for spec files
• Check <app_folder>/context/test/ for test spec files

1. If the tracker's top-level status is COMPLETED (all steps for all resolved versions done)

AND the artifacts still exist:

• Output <promise>ALL ARTIFACTS GENERATED</promise> and stop

1. If multiple versions were resolved, proceed to Phase 1 — the version loop will determine

which versions still need processing (see Phase 1 Sequential Version Loop)

1. Otherwise, proceed to Phase 1, starting from the first step not marked COMPLETED in the tracker

Phase 1: Context Artifacts Generation

This phase generates all required context artifacts before code implementation begins. Each step checks if the artifact already exists — if it does, the step is skipped. This ensures the phase is idempotent and can be resumed safely.

IMPORTANT: If module argument was provided, pass it through to each sub-skill invocation so that only the relevant subset of artifacts is generated.

#### Sequential Version Loop

Steps 1.1, 1.1.1 (tracker init) and 1.2 (tagging) are once-only setup — they run a single time before the loop. When multiple versions are resolved (list, all, or omitted), Phase 1 wraps the per-version Steps 1.3–1.9 in a version loop:

# Once, before the loop: Step 1.1 (resolve folder), Step 1.1.1 (create PREPARE_MASTER.md),
#                        Step 1.2 (tag user stories)

resolved_versions = [v1.0.0, v1.0.1, v1.0.2]  # ascending semver order

For each version in resolved_versions:
  1. Mark this version IN PROGRESS in PREPARE_MASTER.md's Version Processing Order table
  2. Run Steps 1.3–1.9 with this single version as the version argument
  3. For the FIRST version: artifacts are generated from scratch (Steps 1.4–1.9)
  4. For SUBSEQUENT versions: artifacts already exist from the prior version — operate in
     Version Increment Mode (update, not skip)
  5. All artifacts for this version must be COMPLETED (mark the version COMPLETED in the tracker)
     before moving to the next version

When only a single version is resolved, the loop runs once — no behavioral difference from the original single-version flow.

#### Version Increment Mode

When artifacts exist from a previous version but the current version in the loop has new/changed user stories, Steps 1.4–1.9 operate in update mode:

• DO NOT skip steps just because artifacts already exist. The existing artifacts are from a

previous version and need to be updated with the current version's changes.

• Re-invoke ALL sub-skills (modelgen, mockgen, specgen, testgen) with BOTH the current version

AND module arguments so they can update the existing artifacts incrementally.

• The sub-skills are responsible for reading the [v<version>] sections in PRD.md and

updating their output files accordingly (appending new fields, modifying existing diagrams, updating specs and test scenarios).

#### Bug Regression Awareness (Redo/Redevelop Scenario)

PRD.md modules may contain a ### Bug section listing previously fixed bugs (e.g., [BUG-024] Fixed Message ID link...). These entries represent validated fixes from prior development cycles. When generating or updating artifacts, sub-skills MUST treat bug fix entries as supplementary requirements:

• modelgen-*: If a bug fix involved model changes (new fields, changed relationships),

the model output must reflect the corrected structure.

• mockgen-tailwind: If a bug fix involved UI changes (layout, navigation, styling),

the mockup must reflect the corrected design.

• specgen-*: If a bug fix involved logic changes (event listeners, processing flow,

validation), the specification must include the corrected behavior.

• testgen-functional: Bug fix descriptions should inform test scenarios to ensure

regression coverage — each bug fix should have at least one corresponding test assertion.

This ensures that when an application is redeveloped from scratch, previously reported bugs do not reappear in the new implementation.

#### PRD.md Extended Sections Awareness

PRD.md may contain three extended sections that influence how downstream skills are invoked and what context they receive. Detect each section's presence at the start of Phase 1 and record the result for use throughout the version loop:

• `# Design System` — Already consumed by Step 1.5 (Infer Design System) for routing

decisions and resolved-file-path propagation to mockgen- and specgen-. No additional action needed; Step 1.5 is the canonical handler.

• `# Architecture Principle` — Already consumed by Step 1.3 (Infer Database Type) and

Step 1.7 (Infer Technology Stack) as the primary signal for routing decisions. Sub-skills (modelgen-, specgen-) read it directly from PRD.md.

• `# High Level Process Flow` — Detect presence here so all downstream skills are aware:

1. Check PRD.md for a # High Level Process Flow section. If present, record:

• The list of named flows (e.g., "Country submission flow", "Worker registration flow")
• Any external file references (e.g., [FLOW_DIAGRAM.md](reference/FLOW_DIAGRAM.md))
• Resolve any referenced file paths relative to PRD.md

1. When invoking sub-skills in subsequent steps, pass this awareness as context so each skill

knows process flows are available and should be consulted:

• modelgen-\* uses flows to identify entities/documents that participate in messaging
• specgen-\* uses flows as the blueprint for service-layer methods, queue topology, and

message consumer/publisher design

• mockgen-\* uses flows to determine screen-to-screen navigation and async UI states
• testgen-functional uses flows to design end-to-end test scenarios that exercise each

flow step in order

1. If absent, sub-skills fall back to deriving messaging behavior from individual user stories

(existing behavior).

Record the detection result (Design System: yes/no, Architecture Principle: yes/no, Process Flow: yes/no + flow names) in your working memory for the duration of the run. This awareness does NOT replace each sub-skill's own reading of PRD.md — every sub-skill reads PRD.md directly, but knowing which sections are present helps the orchestrator detect missing pre-requisites early and surface them to the user.

#### Step 1.1: Resolve Application Folder

1. Match the <application> argument against root-level folders (same logic as Input Resolution)
2. The resolved <app_folder> is the root for all context artifacts
3. Verify <app_folder>/context/PRD.md exists — if not, stop with error

#### Step 1.1.1: Initialize Preparation Tracking (PREPARE_MASTER.md)

This step runs ONCE before the version loop starts (like tagging). It creates the progress tracker that this skill — and any resumed Ralph Loop iteration — reads to know what is done.

1. If <app_folder>/context/prepare/PREPARE_MASTER.md already exists, read it and reconcile it

against the resolved version list (add rows for any newly-resolved versions as PENDING). Do NOT overwrite existing COMPLETED rows.

1. If it does not exist, create <app_folder>/context/prepare/PREPARE_MASTER.md with the

structure below (pre-seed every row as PENDING; the version loop and steps below flip rows to COMPLETED / SKIPPED as they run). Add one Artifact Generation Status table per resolved version.

# Preparation Master - <Application Name>

**Started**: <date>
**Context**: <app_folder>/context
**Resolved Versions**: <comma-separated sorted version list, e.g., "v1.0.0, v1.0.1, v1.0.2">
**Status**: IN PROGRESS

---

## Inferred Configuration

| Aspect | Value | Source |
|--------|-------|--------|
| Database Type | TBD | - |
| Model Generator | TBD | - |
| Design System | TBD | - |
| Mockup Generator | TBD | - |
| Technology Stack | TBD | - |
| Spec Generator | TBD | - |

> Filled in by the inference steps (1.3, 1.5, 1.7) as the pipeline runs.

---

## User Story Tagging (runs ONCE, applies to all versions)

| Step | Skill | Status | Completed |
|------|-------|--------|-----------|
| 1.2 Tag items | util-ustagger | PENDING | - |

---

## Version Processing Order

| # | Version | Status | Started | Completed |
|---|---------|--------|---------|-----------|
| 1 | v1.0.0 | PENDING | - | - |
| 2 | v1.0.1 | PENDING | - | - |

> **Processing Rule**: All artifacts for version N must reach COMPLETED before version N+1 begins.

---

## Artifact Generation Status

One table per version. `SKIPPED` = artifact already existed and this is NOT a version increment.

### v1.0.0

| Step | Artifact | Skill | Status | Completed |
|------|----------|-------|--------|-----------|
| 1.4 | Module Model | modelgen-* | PENDING | - |
| 1.6 | HTML Mockups | mockgen-* | PENDING | - |
| 1.8 | Technical Spec | specgen-* | PENDING | - |
| 1.9 | Test Spec | testgen-functional | PENDING | - |

### v1.0.1

<one table per resolved version, same columns>

1. Statuses used throughout: PENDING, IN PROGRESS, COMPLETED, SKIPPED.

##### Tracking Updates (MANDATORY)

After each step below completes, update PREPARE_MASTER.md in place — never leave a finished step marked PENDING. Use this mapping:

At the START of each version iteration, mark that version IN PROGRESS in the Version Processing Order table. Mark an artifact SKIPPED (not COMPLETED) when the step is skipped because the artifact already existed and this is not a version increment.

#### Step 1.2: Tag User Stories

Tag all untagged items in PRD.md with unique ID codes before any artifact generation begins. This ensures all user stories, NFRs, constraints, and references have stable IDs that downstream artifacts (module models, specs, tests) can reference for traceability.

This step runs ONCE before the version loop starts (not per-version), because tagging applies to all items regardless of version.

1. Determine the version label to pass:

• If processing a single version → use that version (e.g., v2)
• If processing multiple versions → use the HIGHEST version in the resolved list
• If no version argument (all) → use v1 as the default

1. Invoke the tagging skill:

• Skill(skill: "co2-skills:util-ustagger", args: "<application> <version>")
• Example: Skill(skill: "co2-skills:util-ustagger", args: "mainapp v1")

1. Wait for the skill to complete. It will tag untagged items in-place in PRD.md.
2. This step is idempotent — if all items are already tagged, the skill will report no changes.

#### Step 1.3: Infer Database Type

1. Check PRD.md `# Architecture Principle` section first (primary signal):

• If Architecture Principle explicitly mentions "document based database", "document-oriented", "NoSQL", "MongoDB", or similar → nosql
• If Architecture Principle explicitly mentions "relational database", "SQL", "PostgreSQL", "MySQL", or similar → relational

1. Fallback to CLAUDE.md (if Architecture Principle is absent or does not mention database type):

• Read application details from CLAUDE.md (already in context)
• Identify the database from the application's dependency list:
• If the application depends on MySQL, PostgreSQL, or another relational database → relational
• If the application depends on MongoDB or another NoSQL database → nosql

1. Record the inferred database type for the next step

#### Step 1.4: Generate Module Model

1. Check if artifacts exist: List files in <app_folder>/context/model/

• If .md or .json files already exist AND this is NOT a version increment → SKIP this step
• If this IS a version increment, proceed to re-invoke the skill with version/module args

1. Invoke the appropriate model generation skill:

• If database type is relational → Skill(skill: "co2-skills:modelgen-relational", args: "<app_folder> [version:<version>] [module:<module>]")
• If database type is nosql → Skill(skill: "co2-skills:modelgen-nosql", args: "<app_folder> [version:<version>] [module:<module>]")

1. Wait for the skill to complete. The output will be module model files in <app_folder>/context/model/

#### Step 1.5: Infer Design System

1. Check PRD.md `# Design System` section first (primary signal):

• If the section exists and references a DESIGN_SYSTEM.md file (e.g., [DESIGN_SYSTEM.md](reference/DESIGN_SYSTEM.md)), resolve the file path relative to PRD.md
• Record the resolved design system file path for downstream skills (mockgen, specgen)
• The referenced file contains design tokens (colors, typography, components) that sub-skills will use

1. Fallback to CLAUDE.md (if Design System section is absent or has no reference):

• Read application details from CLAUDE.md (already in context)
• Identify the design system / CSS framework:
• Look for mentions of Tailwind CSS, Bootstrap, Material UI, etc.
• If no design system is explicitly identified → default to Tailwind CSS

1. Record the inferred design system for the next step

#### Step 1.6: Generate HTML Mockups

1. Check if artifacts exist: List files in <app_folder>/context/mockup/

• If .html files already exist AND this is NOT a version increment → SKIP this step
• If this IS a version increment, proceed to re-invoke the skill with version/module args

1. Determine the appropriate mockup generator:

• Check available skills matching mockgen-* pattern
• For Tailwind CSS → Skill(skill: "co2-skills:mockgen-tailwind", args: "<app_folder> [version:<version>] [module:<module>]")
• Default to mockgen-tailwind if no specific generator matches the design system

1. Wait for the skill to complete. The output will be HTML mockup files in <app_folder>/context/mockup/

#### Step 1.7: Infer Technology Stack

1. Check PRD.md `# Architecture Principle` section first (primary signal):

• If Architecture Principle explicitly mentions a framework (e.g., "Spring Boot", "Laravel"), use it
• If it mentions a view engine (e.g., "JTE", "Blade"), use it
• If it mentions frontend tooling (e.g., "HTMX", "Alpine.js", "Vite"), use it
• If it mentions architectural style (e.g., "monolithic", "REST API"), use it to disambiguate specgen variant

1. Fallback to CLAUDE.md (if Architecture Principle is absent or incomplete):

• Read application details from CLAUDE.md (already in context)
• Identify the technology stack:
• Framework (Laravel, Spring Boot, etc.)
• ORM (Eloquent, JPA/Hibernate, etc.)
• View engine (Blade, JTE, etc.)
• Frontend enhancement (HTMX, Alpine.js, etc.)

1. Record the inferred technology stack for the next step

#### Step 1.8: Generate Technical Specification

1. Check if artifacts exist: List files in <app_folder>/context/specification/

• If .md files already exist AND this is NOT a version increment → SKIP this step
• If this IS a version increment, proceed to re-invoke the skill with version/module args

1. Determine the appropriate specification generator:

• Check available skills matching specgen-* pattern
• For Laravel + Eloquent + Blade + HTMX → Skill(skill: "co2-skills:specgen-laravel-eloquent-bladehtmx", args: "<app_folder> [version:<version>] [module:<module>]")
• For Spring Boot + JPA + JTE + HTMX → Skill(skill: "co2-skills:specgen-spring-jpa-jtehtmx", args: "<app_folder> [version:<version>] [module:<module>]")
• For a self-hosted Node.js web app distributed as a global npm CLI (Hono + embedded React SPA + SQLite) → Skill(skill: "co2-skills:specgen-node-cli-web", args: "<app_folder> [version:<version>] [module:<module>]")
• Match the skill name against the inferred technology stack components

1. Wait for the skill to complete. The output will be specification files in <app_folder>/context/specification/

#### Step 1.9: Generate Test Specification

1. Check if artifacts exist: List files in <app_folder>/context/test/

• If .md files already exist AND this is NOT a version increment → SKIP this step
• If this IS a version increment, proceed to re-invoke the skill with version/module args

1. Invoke the test specification generator:

• Skill(skill: "co2-skills:testgen-functional", args: "<app_folder> [version:<version>] [module:<module>]")

1. Wait for the skill to complete. The output will be test specification files in <app_folder>/context/test/

#### Phase 1 Completion

After all artifacts for ALL versions in the resolved version list are generated (or confirmed to already exist):

1. Set the top-level **Status**: in <app_folder>/context/prepare/PREPARE_MASTER.md to

COMPLETED, and verify every step and every version row is COMPLETED or SKIPPED (no PENDING / IN PROGRESS rows remain)

1. Output a summary of what was generated/skipped per version (sourced from PREPARE_MASTER.md)
2. Output <promise>ALL ARTIFACTS GENERATED</promise> to signal Ralph Loop completion

IMPORTANT — Version loop completion: The completion promise is ONLY output after the LAST version in the resolved list has been fully processed. Do NOT output it after completing an intermediate version — proceed to the next version immediately.

Critical Rules

1. CLAUDE.md is the source of truth — CLAUDE.md is automatically loaded into context. Use

it for all project details, database types, technology stacks, and infrastructure configuration.

1. Idempotent execution — Each step checks if artifacts already exist before generating.

This ensures the skill can be safely re-run or resumed without duplicating work.

1. Version increment awareness — When processing multiple versions sequentially, artifacts

from the prior version already exist when the next version begins. ALL sub-skills must be re-invoked in update mode for each subsequent version.

1. Pass through filters — The current version from the version loop AND the module

argument (if provided) MUST be passed to every sub-skill invocation. Each sub-skill receives a SINGLE version at a time, never a list.

1. Sequential version order — When multiple versions are resolved, they are processed

in ascending semver order. All artifacts for version N must complete before version N+1 begins. Never process versions in parallel or merge them into a single invocation.

1. Context window awareness (Ralph Loop handles recovery) — If approaching context limits,

the Ralph Loop will automatically re-feed the prompt, and the next iteration will resume from the first step with missing artifacts.

1. Auto-start Ralph Loop — When this skill is triggered, the FIRST action (Phase 0, Step 0)

MUST be to check if Ralph Loop is active (.claude/ralph-loop.local.md exists). If not active, invoke the Ralph Loop skill. Do NOT proceed with any work until Ralph Loop is confirmed active.

1. AUTONOMOUS CONTINUATION — NEVER STOP BETWEEN STEPS OR VERSIONS. This is an orchestrator

skill that runs a multi-step pipeline (Steps 1.1 through 1.9) across potentially multiple versions. When a sub-skill (e.g., util-ustagger, modelgen-relational, mockgen-tailwind, specgen-, testgen-functional) completes and returns control, you MUST immediately proceed to the NEXT step in the pipeline. When all steps for the current version are done, you MUST immediately proceed to the NEXT version. Do NOT stop, do NOT wait for user input, do NOT treat a sub-skill or version completion as the end of your task. The task is only complete when ALL steps for ALL versions have been executed and the completion promise `<promise>ALL ARTIFACTS GENERATED</promise>` has been output. Stopping after any intermediate step or version is a bug in execution.*

1. PREPARE_MASTER.md is the progress source of truth — Every step updates

<app_folder>/context/prepare/PREPARE_MASTER.md per the Tracking Updates table in Step 1.1.1. On resume (any Ralph Loop iteration), read it FIRST to determine what is already done; do NOT re-run steps it marks COMPLETED (unless in version increment mode). Reconcile it against the artifact folders on disk if they disagree.