genus

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• EVERY response is the envelope; g.fetch never throws. The check is always the same three outcomes: !res.success → g.error (system), res.error.code → g.warning (business refusal, codes ≥ 1000), else use res.data.
• Server field validation arrives in res.data.fields — former/validator place it; only handle it yourself outside forms.
• Files in the payload make the request multipart automatically; pagination rides the options.

• EVERY date/number the user sees goes through g.format — never hand-formatted strings; PG timestamps and Date objects both work.
• The formats are install-level config — pages just call date/datetime/time/number.

• Toasts — g.success/error/warning/info: rules + live demo at UI elements.
• Dialogs — g.confirm/alert/prompt: dialog.
• Shortcuts — declarative page keys (g.shortcuts, ? overlay); the lister row keys ride it (data list).
• g.esc — escape EVERYTHING you interpolate into HTML strings (the lister render callbacks show it).
• g.shake — the attention shake for a refused element; pair with g.warning.
• Client errors — window errors report to /frm/log/client automatically; you write nothing.
• Full API: templates/app/docs/libs/genus.md; the harness: /tests/api.