Epic D: Forms & Uploads

[fsecada01]

Epic D — Forms & Uploads · Milestone: 0.7.0b · See claudedocs/dev_plan_production_grade_2026-06-24.md

• D1 File uploads: progress, multiple files, size/type constraints, validation
• D2 On-blur/real-time partial validation without full submit
• D3 Debounce/throttle defaults on input bindings
• D4 Verify + enforce 422 re-render convention across adapters (needs E0)
• D5 Submit-button disable/busy during in-flight (needs B1)
• D6 Form-state recovery after reconnect (needs F1)
• D7 Dirty-state indicator; drag-drop / direct-to-S3 upload (part post-1.0)
• D8 Multi-step wizard recipe + example across all adapters: FastAPI (Docs: multi-step wizard recipe + example for the FastAPI adapter #29), Litestar (Docs: multi-step wizard recipe + example for the Litestar adapter #30), Django (Docs: multi-step wizard recipe + example for the Django adapter #31), Flask (Docs: multi-step wizard recipe + example for the Flask adapter #32) — FastAPI/Litestar unsigned-state caveat resolves once A1 lands