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Canonical severity level definitions and cross-domain mapping for web, document, and markdown audits. Score impact ranges, WCAG conformance alignment, and cross-format normalization.
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Basierend auf der SOC-Berufsklassifikation
Use for web accessibility work in HTML, JSX, CSS, ARIA, keyboard, forms, contrast, modals, live regions, headings, links, tables, or WCAG review; starts accessibility-lead first and uses tool_search if subagent tools are lazy-loaded.
Developer tools accessibility router for Python, wxPython, desktop accessibility APIs, NVDA add-ons, scanner tooling, CI tooling, and accessibility developer experience.
Document accessibility router for Word, Excel, PowerPoint, PDF, EPUB, Office remediation, PDF remediation, and accessible generated documents.
GitHub workflow accessibility router for PR review, issues, Actions, releases, projects, security alerts, notifications, repository management, and accessible contributor workflows.
Markdown accessibility router for docs, README files, headings, links, tables, alt text, diagrams, generated docs, and publication-ready accessible markdown.
Compute web accessibility scores (0-100, A-F grades) with severity scoring, confidence levels, and remediation tracking across audits.
| name | severity-mapping |
| description | Canonical severity level definitions and cross-domain mapping for web, document, and markdown audits. Score impact ranges, WCAG conformance alignment, and cross-format normalization. |
Canonical severity definitions shared across web, document, and markdown audit domains.
| Level | Definition | WCAG Conformance | Score Impact |
|---|---|---|---|
| Critical | Blocks access entirely for one or more user groups. No workaround exists. | Fails Level A | -15 to -22 points |
| Serious | Severely impairs access; a workaround may exist but is unreasonable. | Fails Level A or AA | -5 to -10 points |
| Moderate | Causes friction or confusion; most users can still complete the task. | Fails Level AA (advisory) | -2 to -4 points |
| Minor | Polish issue; no meaningful barrier for most users. | Technique deviation | -1 point |
| Canonical Level | Web (axe-core / Playwright) | Document (Office/PDF) | Markdown |
|---|---|---|---|
| Critical | critical (axe-core) | Missing document title; untagged PDF; missing heading structure | Broken anchor link leading to dead navigation |
| Serious | serious (axe-core) | Missing alt text on informational image; table has no headers | Ambiguous link text (e.g., "click here"); missing alt text on image |
| Moderate | moderate (axe-core) | Merged table cells; color-only data encoding | Skipped heading level; missing table caption |
| Minor | minor (axe-core) | Decorative image with non-empty alt; redundant bookmark | Emoji in heading; em-dash used as list separator |
Score impacts listed above are additive per finding. When the same issue recurs across many elements:
When generating a unified report that combines web, document, and markdown findings:
For web audits, confidence level modifies the base deduction:
| Confidence | Multiplier | Source Signals |
|---|---|---|
| Confirmed | 1.2x | axe-core + agent code review + Playwright behavioral test |
| High (two sources) | 1.0x | Any two of the three sources above |
| High (one source) | 1.0x (reduced base) | Single automated tool, high rule reliability |
| Medium | 0.7x | Single source, medium rule reliability |
| Low | 0.3x | Single source, low rule reliability or heuristic |
Document and markdown audits do not use confidence multipliers -- they use the base score impact only.