harden
Improve interface resilience through better error handling, i18n support, text overflow handling, and edge case management. Makes interfaces robust and production-ready.
76
62%
Does it follow best practices?
Impact
83%
1.27xAverage score across 6 eval scenarios
Passed
No findings from the security scan
Fix and improve this skill with Tessl
tessl review fix ./archived/legacy-companion/.agents/skills/harden/SKILL.mdEvaluation results
73%
2%Globalization Hardening: Team Activity Dashboard
i18n and text overflow hardening
Single-line truncation
100%
100%
Multi-line clamp
0%
0%
Flex min-width fix
100%
100%
No fixed button widths
100%
100%
CSS logical properties
100%
100%
RTL icon flip
0%
0%
Intl.DateTimeFormat usage
100%
100%
Intl.NumberFormat usage
100%
100%
i18n pluralization
30%
30%
Translation space budget
80%
100%
86%
41%Production Hardening: Expense Report Submission Portal
API error handling and edge case resilience
400 validation errors
50%
75%
401 auth redirect
0%
62%
403 permission error
0%
100%
404 not found state
0%
100%
429 rate limit message
0%
100%
500 generic + support
0%
100%
Network retry button
70%
80%
Input preserved on error
100%
100%
Double-submit prevention
100%
100%
Descriptive loading state
90%
90%
Empty state with action
41%
50%
90%
10%Production Hardening: Product Catalog Search
Accessibility and performance resilience
Search debounce 300ms
100%
100%
Scroll throttle 100ms
0%
0%
Large list pagination/virtualization
100%
100%
Event listener cleanup
100%
100%
Pending request abort
0%
100%
ARIA labels on inputs
100%
100%
Live region for results
100%
100%
Keyboard accessibility
100%
100%
Reduced motion support
100%
100%
- Repository
- The-Vibe-Company/companion
- Commit
90804d3
- Evaluated
- Agent
- Claude Code
- Model
- Claude Sonnet 4.6
Table of Contents
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