╔═══════════════════════════════════════════╗
║ VALIDATION AS ZUHANDENHEIT ║
║ ║
║ Before (Vorhandenheit): ║
║ ┌────────┐ ┌────────┐ ┌──────┐ ║
║ │ Input │ ──▶ │ Server │ ──▶ │ ??? │ ║
║ │ (ok) │ │ (ok) │ │ FAIL │ ║
║ └────────┘ └────────┘ └──────┘ ║
║ ↑ ║
║ "failed to ║
║ upload image" ║
║ ║
║ After (Zuhandenheit): ║
║ ┌────────┐ ║
║ │ Input │ ──▶ ✓ proceeds ║
║ │ ⚠ 142 │ or ║
║ │ chars │ ──▶ ✗ "rename file" ║
║ └────────┘ ║
║ ║
║ The tool recedes; the work continues. ║
╚═══════════════════════════════════════════╝
Validation as Zuhandenheit: Preventing Tool Breakdown Through Proximity
research
research