712 lines
17 KiB
Markdown
712 lines
17 KiB
Markdown
# PRISM Agent Strategy: Artifact-Centric Development
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## Core Insight: Shared Artifacts as Single Source of Truth
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In PRISM, each agent (SM, Dev, QA, PO, Architect) works on the **same shared artifacts**:
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- [docs/prd.md](docs/prd.md) and [docs/prd/](docs/prd/) shards
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- [docs/architecture.md](docs/architecture.md) and [docs/architecture/](docs/architecture/) shards
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- [docs/stories/](docs/stories/) - individual story files
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- [docs/qa/assessments/](docs/qa/assessments/) - quality reports
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- [docs/qa/gates/](docs/qa/gates/) - gate decisions
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This creates a unique opportunity: **sub-agents can be artifact-specialized rather than role-specialized**.
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## The Paradigm Shift
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### Traditional Approach (Role-Based)
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- Create agents per role: `code-reviewer`, `test-analyzer`, `bug-fixer`
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- Agent knows its job but not the workflow context
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- Must explain PRISM workflow each time
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### PRISM Approach (Artifact-Based)
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- Create agents per artifact type: `story-implementer`, `prd-validator`, `gate-manager`
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- Agent understands BOTH its job AND the artifact structure
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- Knows where to read/write, what format to use
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- Pre-configured for PRISM workflow
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## Agent Architecture for PRISM
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### 1. Story-Focused Agents
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These agents work directly with story files in `docs/stories/`:
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#### story-implementer
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```markdown
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---
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name: story-implementer
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description: Use PROACTIVELY when implementing any story from docs/stories/. Reads story file, implements all tasks sequentially, updates File List and Change Log sections.
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tools: Read, Write, Edit, Bash, Grep, Glob
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model: sonnet
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---
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# Story Implementation Agent
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You are a specialized developer agent that implements PRISM stories following exact structure.
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## Story File Structure You Work With
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Every story in `docs/stories/` has this structure:
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```markdown
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# Story: [Title]
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## Status: [Draft|Approved|InProgress|Done]
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## Story
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As a [user] I want [feature] So that [benefit]
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## Acceptance Criteria
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- [ ] Criterion 1
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- [ ] Criterion 2
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## Tasks
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- [ ] Task 1
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- [ ] Task 2
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## Dev Notes
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[Implementation guidance]
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## Dev Agent Record
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### Completion Notes
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[You fill this]
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### File List
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[You maintain this - ALL modified files]
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### Change Log
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[You document all changes]
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## QA Results
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[QA agent fills this]
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```
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## Your Process
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1. **Read Story**: Load story file from `docs/stories/`
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2. **Verify Status**: Must be "Approved" or "InProgress"
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3. **Update Status**: Change to "InProgress" if was "Approved"
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4. **Execute Tasks**:
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- Work through tasks sequentially
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- Mark each task complete: `- [x] Task name`
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- Follow Dev Notes for guidance
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- Check Acceptance Criteria frequently
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5. **Maintain File List**:
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- Add EVERY file you create/modify
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- Group by category (src, tests, docs)
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- Keep updated in real-time
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6. **Document Changes**:
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- Update Change Log with what you did
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- Explain WHY for non-obvious changes
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- Note any deviations from plan
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7. **Mark Complete**:
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- Verify all tasks checked
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- Verify all acceptance criteria met
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- Update Status to "Review"
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- Fill Completion Notes
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## Critical Rules
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- NEVER skip tasks
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- ALWAYS update File List
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- ALWAYS document changes
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- NEVER mark story "Done" (only QA can)
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- Status flow: Approved → InProgress → Review
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- Reference [docs/architecture/](docs/architecture/) for patterns
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- Follow coding standards from architecture
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## Output Format
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After implementation, story file should have:
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- All tasks checked
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- Complete File List
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- Detailed Change Log
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- Completion Notes summary
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- Status = "Review"
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```
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#### story-validator
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```markdown
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---
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name: story-validator
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description: Use PROACTIVELY when SM creates new story drafts. Validates story against PRD epics, architecture constraints, and PRISM story structure.
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tools: Read, Grep, Glob
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model: sonnet
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---
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# Story Validation Agent
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Validate story drafts for completeness, alignment, and proper structure.
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## What You Validate
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### 1. Structure Compliance
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Story must have ALL sections:
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- Status (must be "Draft" for new stories)
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- Story (As a/I want/So that format)
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- Acceptance Criteria (3-7 measurable criteria)
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- Tasks (broken down, 1-3 day chunks)
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- Dev Notes (implementation guidance)
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- Dev Agent Record (template present)
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- QA Results (empty section)
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### 2. PRD Alignment
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Read corresponding epic from `docs/prd/`:
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- Story implements epic requirements
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- All epic acceptance criteria covered
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- No scope creep beyond epic
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- References correct epic number
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### 3. Architecture Alignment
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Check against `docs/architecture/`:
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- Follows established patterns
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- Uses correct tech stack
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- Respects system boundaries
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- No architectural violations
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### 4. Task Quality
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Tasks must be:
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- Specific and actionable
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- Properly sized (1-3 day work)
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- Include testing requirements
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- Have clear completion criteria
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- Sequential and logical order
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### 5. Acceptance Criteria Quality
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Criteria must be:
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- Measurable/testable
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- User-focused outcomes
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- Complete (cover full story)
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- Achievable within story
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- Not just technical tasks
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## Validation Process
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1. **Load Story**: Read story file from `docs/stories/`
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2. **Load Epic**: Read corresponding epic from `docs/prd/`
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3. **Load Architecture**: Read relevant sections from `docs/architecture/`
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4. **Check Structure**: Verify all sections present
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5. **Validate Content**: Check each section quality
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6. **Cross-Reference**: Ensure alignment across artifacts
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7. **Generate Report**: Detailed validation results
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## Output Format
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```
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# Story Validation Report
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**Story**: [filename]
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**Epic**: [epic reference]
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**Date**: [date]
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## Structure Check
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✅/❌ All required sections present
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✅/❌ Proper markdown formatting
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✅/❌ Status is "Draft"
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## PRD Alignment
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✅/❌ Implements epic requirements
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✅/❌ Covers epic acceptance criteria
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✅/❌ No scope creep
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**Issues**: [specific problems]
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## Architecture Alignment
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✅/❌ Follows patterns
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✅/❌ Uses correct stack
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✅/❌ Respects boundaries
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**Issues**: [specific problems]
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## Task Quality
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✅/❌ Tasks are specific
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✅/❌ Tasks properly sized
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✅/❌ Testing included
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**Issues**: [specific problems]
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## Acceptance Criteria Quality
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✅/❌ Measurable
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✅/❌ User-focused
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✅/❌ Complete
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**Issues**: [specific problems]
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## Recommendation
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[APPROVE / NEEDS REVISION]
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## Required Changes
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1. [Specific change needed]
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2. [Specific change needed]
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```
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```
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### 2. Quality Gate Agents
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#### qa-gate-manager
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```markdown
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---
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name: qa-gate-manager
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description: Use when QA review is complete to create or update quality gate files in docs/qa/gates/. Manages PASS/CONCERNS/FAIL decisions.
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tools: Read, Write, Edit, Grep, Glob
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model: sonnet
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---
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# QA Gate Manager
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Create and manage quality gate decisions for stories.
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## Gate File Structure
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Location: `docs/qa/gates/epic-{n}.story-{n}-gate.yml`
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Format:
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```yaml
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story: story-name
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epic: epic-name
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date: YYYY-MM-DD
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reviewer: QA Agent
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status: PASS # PASS, CONCERNS, FAIL
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findings:
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- "Finding 1"
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- "Finding 2"
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recommendations:
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- "Recommendation 1"
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- "Recommendation 2"
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decision: |
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Detailed explanation of gate decision
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and reasoning.
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next_steps:
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- "Action 1"
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- "Action 2"
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```
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## Your Process
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1. **Read Assessment**: Load assessment from `docs/qa/assessments/`
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2. **Read Story**: Load story file to understand implementation
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3. **Determine Status**:
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- **PASS**: All criteria met, high quality, ready for production
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- **CONCERNS**: Minor issues but acceptable, document concerns
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- **FAIL**: Significant issues, must return to development
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4. **Document Findings**: List all important observations
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5. **Make Recommendations**: Suggest improvements (even for PASS)
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6. **Write Decision**: Explain reasoning clearly
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7. **Define Next Steps**: What happens next (merge, fix, etc.)
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8. **Create Gate File**: Write to correct path with proper naming
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## Status Criteria
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### PASS
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- All acceptance criteria met
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- All tests passing
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- Code quality meets standards
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- No critical/high issues
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- Documentation complete
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- Follows architecture
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### CONCERNS
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- All acceptance criteria met
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- Minor quality issues
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- Technical debt acceptable
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- Low priority improvements noted
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- Can ship with tracking
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### FAIL
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- Acceptance criteria missing
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- Tests failing
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- Critical/high issues present
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- Architecture violations
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- Incomplete implementation
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- Security/performance problems
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## Critical Rules
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- Gate status is final for that review
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- FAIL requires dev to address issues
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- CONCERNS requires issue tracking
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- PASS allows story to be marked "Done"
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- Always explain reasoning
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- Reference assessment file
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- Use proper YAML syntax
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## Output
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After creating gate:
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1. Confirm file created at correct path
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2. Display gate decision
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3. Update story status if PASS
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4. List next steps clearly
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```
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### 3. Artifact Maintenance Agents
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#### file-list-auditor
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```markdown
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---
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name: file-list-auditor
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description: Use before marking story complete to verify File List section matches actual git changes. Ensures nothing is missing.
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tools: Read, Bash, Grep, Glob
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model: haiku
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---
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# File List Auditor
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Audit story File List against actual file changes.
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## Your Process
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1. **Read Story**: Load story from `docs/stories/`
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2. **Extract File List**: Get files from Dev Agent Record → File List
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3. **Check Git**: Run `git diff --name-only` for actual changes
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4. **Compare**: Match story list to git changes
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5. **Identify Discrepancies**:
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- Files in git but not in story
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- Files in story but not in git
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6. **Verify Categories**: Check grouping makes sense
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7. **Report**: Clear audit results
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## Output Format
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```
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# File List Audit
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**Story**: [filename]
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**Date**: [date]
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## Story File List
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[List from story]
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## Git Changes
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[List from git]
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## Discrepancies
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### Missing from Story
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- [file1] - Found in git, not in story
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- [file2]
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### Missing from Git
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- [file3] - Listed in story, not changed in git
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- [file4]
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### Incorrectly Categorized
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- [file5] - Listed as src, actually test
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## Status
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✅/❌ File List accurate
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✅/❌ All changes documented
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## Recommendation
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[APPROVE / UPDATE REQUIRED]
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## Suggested Updates
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[Exact File List section content to use]
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```
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```
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### 4. Cross-Artifact Agents
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#### requirements-tracer
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```markdown
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---
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name: requirements-tracer
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description: Use to trace requirements from PRD → Epic → Story → Implementation → Tests. Ensures complete traceability.
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tools: Read, Grep, Glob
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model: sonnet
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---
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# Requirements Traceability Agent
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Trace requirements through entire PRISM artifact chain.
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## Traceability Chain
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```
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PRD (docs/prd.md)
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↓
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Epic (docs/prd/epic-n.md)
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↓
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Story (docs/stories/epic-n/story-n.md)
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↓
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Implementation (source files)
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↓
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Tests (test files)
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```
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## Your Process
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1. **Start with Story**: Read story file
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2. **Find Epic**: Read corresponding epic from docs/prd/
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3. **Find PRD Section**: Identify which PRD section epic implements
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4. **Find Implementation**: Read files from story File List
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5. **Find Tests**: Locate test files for implementation
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6. **Trace Forward**: PRD → Epic → Story → Code
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7. **Trace Backward**: Tests → Code → Story → Epic → PRD
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8. **Verify Coverage**: All requirements have tests
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## Output Format
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```
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# Requirements Traceability Report
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**Story**: [filename]
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**Epic**: [epic reference]
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**PRD Section**: [section reference]
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## Forward Trace
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### PRD Requirement
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[Requirement text from PRD]
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### Epic Acceptance Criteria
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- [Epic criterion 1]
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- [Epic criterion 2]
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### Story Acceptance Criteria
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- [Story criterion 1]
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- [Story criterion 2]
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### Implementation
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- [file1.ts:123] - Implements criterion 1
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- [file2.ts:456] - Implements criterion 2
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### Tests
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- [file1.test.ts:78] - Tests criterion 1
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- [file2.test.ts:90] - Tests criterion 2
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## Coverage Analysis
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✅/❌ All PRD requirements covered by epic
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✅/❌ All epic criteria covered by story
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✅/❌ All story criteria implemented
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✅/❌ All implementation has tests
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## Gaps Identified
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[Any missing coverage]
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## Recommendation
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[COMPLETE / GAPS REQUIRE ATTENTION]
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```
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```
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## Agent Invocation Strategy
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### When to Use Which Agent
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#### During Story Creation (SM Phase)
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- **story-validator**: Validate new story draft before user approval
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#### During Development (Dev Phase)
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- **story-implementer**: Primary implementation agent
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- **file-list-auditor**: Before marking story "Review"
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#### During QA Phase
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- **requirements-tracer**: Verify complete traceability
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- **qa-gate-manager**: Create final gate decision
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#### Ad-Hoc Maintenance
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- Any agent when specific artifact needs attention
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### Invocation Examples
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**Story Creation Workflow**:
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```
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1. SM creates story draft
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2. "Use story-validator to check this draft"
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3. Fix issues identified
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4. User approves → Status: Approved
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```
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**Development Workflow**:
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```
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1. "Use story-implementer to develop story-003"
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2. Agent implements all tasks
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3. "Use file-list-auditor to verify completeness"
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4. Fix any discrepancies
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5. Status → Review
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```
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**QA Workflow**:
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```
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1. QA performs manual review
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2. "Use requirements-tracer for story-003"
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3. QA creates assessment in docs/qa/assessments/
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4. "Use qa-gate-manager to create gate decision"
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5. Gate status determines next action
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```
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## Benefits of Artifact-Centric Agents
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### 1. Pre-Configured Knowledge
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- Agent knows exact file paths
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- Understands artifact structure
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- Follows PRISM conventions automatically
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### 2. Workflow Integration
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- Agents fit naturally into SM → Dev → QA cycle
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- Clear handoff points
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- Consistent artifact updates
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### 3. Reduced Context Pollution
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- Each agent has narrow, clear scope
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- Main conversation stays focused on decisions
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- Agents handle mechanical artifact management
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### 4. Reusability Across Stories
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- Same agents work for every story
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- No reconfiguration needed
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- Consistent quality across project
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### 5. Traceability
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- requirements-tracer ensures nothing lost
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- Clear audit trail through artifacts
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- Easy to verify completeness
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## Implementation Guidelines
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### Creating PRISM-Specific Agents
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**DO**:
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- Reference exact artifact paths (docs/stories/, docs/prd/, etc.)
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- Include complete artifact structure in system prompt
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- Specify exact format for updates
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- Define clear status transitions
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- Reference related artifacts
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**DON'T**:
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- Create generic "helper" agents
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- Assume user will explain PRISM structure
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- Leave artifact paths ambiguous
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- Allow status transitions not in workflow
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### Testing Your Agents
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1. **Structure Test**: Agent reads artifact correctly
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2. **Update Test**: Agent modifies artifact properly
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3. **Cross-Reference Test**: Agent finds related artifacts
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4. **Format Test**: Agent output matches standard
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5. **Workflow Test**: Agent fits in SM/Dev/QA cycle
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### Maintaining Agents
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- Update when artifact structure changes
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- Keep in sync with workflow changes
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- Version control with `.claude/agents/`
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- Document agent interactions
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- Test after PRISM updates
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## Advanced Patterns
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### Agent Chaining
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```
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story-validator (check structure)
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↓
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story-implementer (implement)
|
|
↓
|
|
file-list-auditor (verify files)
|
|
↓
|
|
requirements-tracer (check coverage)
|
|
↓
|
|
qa-gate-manager (final decision)
|
|
```
|
|
|
|
### Parallel Agents
|
|
|
|
During development:
|
|
- story-implementer (primary work)
|
|
- file-list-auditor (periodic checks)
|
|
|
|
During QA:
|
|
- requirements-tracer (coverage check)
|
|
- qa-gate-manager (decision making)
|
|
|
|
### Agent Specialization Levels
|
|
|
|
**L1 - Single Artifact**: Works on one file type
|
|
- story-implementer (only stories)
|
|
- qa-gate-manager (only gates)
|
|
|
|
**L2 - Related Artifacts**: Works across artifact chain
|
|
- requirements-tracer (PRD → Epic → Story → Code → Tests)
|
|
|
|
**L3 - Workflow Orchestration**: Manages complete cycles
|
|
- (Consider if complexity justifies)
|
|
|
|
## Integration with Existing PRISM Skills
|
|
|
|
### How This Complements Current Structure
|
|
|
|
**Current PRISM Skills** (`skills/sm/`, `skills/dev/`, `skills/qa/`):
|
|
- Define ROLE behavior and workflow
|
|
- Loaded as primary agent for each phase
|
|
- Provide human-facing interface
|
|
|
|
**New Sub-Agents** (`.claude/agents/`):
|
|
- Handle SPECIFIC artifact operations
|
|
- Invoked by main agent or user
|
|
- Pre-configured for artifact structure
|
|
|
|
### Workflow Integration
|
|
|
|
```
|
|
User → /sm (loads SM skill)
|
|
↓
|
|
SM creates story draft
|
|
↓
|
|
User: "Use story-validator"
|
|
↓
|
|
story-validator agent checks draft
|
|
↓
|
|
User approves story
|
|
↓
|
|
User → /dev (loads Dev skill)
|
|
↓
|
|
User: "Use story-implementer for story-003"
|
|
↓
|
|
story-implementer executes tasks
|
|
↓
|
|
User: "Use file-list-auditor"
|
|
↓
|
|
file-list-auditor verifies completeness
|
|
↓
|
|
User → /qa (loads QA skill)
|
|
↓
|
|
QA reviews manually
|
|
↓
|
|
User: "Use requirements-tracer"
|
|
↓
|
|
requirements-tracer verifies coverage
|
|
↓
|
|
User: "Use qa-gate-manager"
|
|
↓
|
|
qa-gate-manager creates gate decision
|
|
```
|
|
|
|
## Conclusion
|
|
|
|
**Key Insight**: In PRISM, artifacts are the shared language. By creating agents that deeply understand artifact structure, we:
|
|
|
|
1. **Reduce Friction**: Agents know where everything is
|
|
2. **Ensure Consistency**: All agents follow same conventions
|
|
3. **Enable Automation**: Mechanical tasks handled by agents
|
|
4. **Preserve Context**: Main conversation stays high-level
|
|
5. **Scale Naturally**: Same agents work for all stories
|
|
|
|
**Next Steps**:
|
|
1. Create agents for your most frequent artifact operations
|
|
2. Test with one story end-to-end
|
|
3. Refine based on real usage
|
|
4. Add agents as needs emerge
|
|
5. Share successful patterns with team
|
|
|
|
---
|
|
|
|
**Remember**: These agents are PRISM-specific. They understand your workflow, your artifacts, and your structure. Use them to make the PRISM workflow even more efficient.
|