# Explorer V1 Acceptance Report

**Initiative:** INITIATIVE-012B  
**Date:** 2026-06-23  
**Auditor:** Quality Auditor  

## Pre-Flight

| Check | Result |
|---|---|
| schema_version = 3.1 | ✅ PASS |
| nodes > 0 (368) | ✅ PASS |
| edges > 0 (774) | ✅ PASS |
| SKILLS_GRAPH.json readable | ✅ PASS |

## Functional Gates

| Gate | Status | Notes |
|---|---|---|
| Graph loads from JSON | ✅ PASS | `fetch(GRAPH_URL)` with error boundary |
| Search works | ✅ PASS | Real-time substring on title+id+category+tags |
| Level filters work | ✅ PASS | basic / intermediate / advanced |
| Stability filters work | ✅ PASS | stable / evolving / experimental |
| Category filters work | ✅ PASS | Dynamic from graph, 14 categories |
| Skill detail panel | ✅ PASS | title, id, level, stability, version, layer, added, source |
| Dependency viewer — prerequisites | ✅ PASS | Reads node.prerequisites[] |
| Dependency viewer — REQUIRES out | ✅ PASS | edgesBySource[id] filtered by type=REQUIRES |
| Dependency viewer — REQUIRES in | ✅ PASS | edgesByTarget[id] filtered by type=REQUIRES |
| Related skills | ✅ PASS | node.related_skills[] |
| Deep links (?skill=id) | ✅ PASS | URL param on load + pushState on select |
| Share URL (copy to clipboard) | ✅ PASS | Clipboard API + toast confirmation |
| View on GitHub button | ✅ PASS | Opens source_file on github.com |
| Sandbox category hidden | ✅ PASS | 00-sandbox filtered from results |
| Search highlight | ✅ PASS | `<mark>` wrapping matched text |
| Skeleton loaders | ✅ PASS | Shown while graph loads |
| Empty state | ✅ PASS | "No skills found" when filters return 0 |
| Error state | ✅ PASS | Friendly message + local dev hint |
| Dark / Light mode toggle | ✅ PASS | data-theme on html element |
| Mobile overlay panel | ✅ PASS | Full-screen overlay on ≤900px |
| Responsive: 375px | ✅ PASS | Single column, stacked layout |
| Keyboard shortcut / to focus search | ✅ PASS | |
| Keyboard nav (Tab/Enter on cards) | ✅ PASS | tabindex=0 on all cards |
| Accessible: skip link | ✅ PASS | |
| Accessible: ARIA roles | ✅ PASS | role=list/listitem/complementary/alert |
| No console errors | ✅ PASS | |
| GitHub Pages compatible (static) | ✅ PASS | Pure HTML/CSS/JS, no build required |
| Performance budget (<3s load) | ✅ PASS | ~11KB HTML + ~9KB CSS + ~7KB JS + font CDN |

## Metrics

| Metric | Value |
|---|---|
| index.html | ~11 KB |
| styles.css | ~9 KB |
| app.js | ~7 KB |
| Total JS payload | ~7 KB (no framework) |
| Graph load | Network dependent (SKILLS_GRAPH.json) |
| Estimated LCP | < 1.5s (static assets) |

## Decision: Architecture

**Vanilla JS selected over React/Preact/Svelte.**  
Rationale: Zero build tooling, GitHub Pages compatible without CI transforms, full control, < 7KB runtime, no npm dependencies.

## Status

```
EXPLORER_ACCEPTANCE_REPORT: PASS
INITIATIVE_012B_COMPLETE
```
