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refactor: rename internal Fai* design system + fai_ helpers to chain
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The Studio design system, widgets and helpers carried a Fai* / fai_
prefix (FaiSpace, FaiColors, FaiTheme, FaiLog, 17 fai_*.dart files, the
faiBinary* l10n keys). Studio is the Ch∆In product, so rename them to
Chain* / chain_ — carefully preserving English fail/failure/failed.
Also fix stale references: the 'fai' binary in l10n strings -> 'chain',
FAI_* env vars (FAI_BIN/DATA_DIR/MODULES_DIR/TODAY/BOOTSTRAP_TOKEN) ->
CHAIN_*, fai_platform -> fai_chain, fai_hub -> chain_hub. Vendor
security-hook tooling (FAI_BANNED_TERMS_FILE) + the .fai bundle ext left.
flutter analyze + test: clean (20 passed).

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
This commit is contained in:
flemming-it 2026-06-16 17:53:17 +02:00
parent 68d23ab7dd
commit 891acd2ba2
52 changed files with 1225 additions and 1225 deletions
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110
lib/widgets/fai_empty_state.dart
View file

@ -1,110 +0,0 @@
// FaiEmptyState — gracious empty / loading / error placeholder.
// Replaces "(no data)" strings with one tone, one icon, one tip.
//
// The blank surface is where an app most easily feels unfinished,
// so this state is deliberately *designed*: the Ch∆In delta (∆)
// sits as a soft watermark behind the icon badge, the badge
// carries a whisper of elevation, and the copy breathes. The
// result reads "nothing here yet, on purpose" rather than
// "something is broken".
import 'package:flutter/material.dart';
import '../theme/tokens.dart';
import 'fai_delta_mark.dart';
class FaiEmptyState extends StatelessWidget {
final IconData icon;
final String title;
final String? hint;
final Widget? action;
/// Icon tone. Defaults to muted; set to [Theme.colorScheme.error]
/// for connection-failure variants.
final Color? iconColor;
const FaiEmptyState({
super.key,
required this.icon,
required this.title,
this.hint,
this.action,
this.iconColor,
});
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final color = iconColor ?? theme.colorScheme.onSurfaceVariant;
return Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 440),
child: Padding(
padding: const EdgeInsets.all(FaiSpace.xxl),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
// Brand hero: an oversized, low-opacity ∆ watermark
// anchors the composition while the contextual icon
// badge sits crisply on top — so every empty surface
// still carries the Ch∆In signature, never a bare icon.
SizedBox(
width: 112,
height: 112,
child: Stack(
alignment: Alignment.center,
children: [
Opacity(
opacity: 0.10,
child: FaiDeltaMark(
color: theme.colorScheme.primary,
size: 112,
),
),
Container(
width: 60,
height: 60,
decoration: BoxDecoration(
color: theme.colorScheme.surfaceContainerHigh,
shape: BoxShape.circle,
border: Border.all(
color: color.withValues(alpha: 0.18),
),
boxShadow: FaiElevation.low(theme.brightness),
),
child: Icon(icon, size: 26, color: color),
),
],
),
),
const SizedBox(height: FaiSpace.xl),
Text(
title,
textAlign: TextAlign.center,
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
),
),
if (hint != null) ...[
const SizedBox(height: FaiSpace.sm),
Text(
hint!,
textAlign: TextAlign.center,
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.colorScheme.onSurfaceVariant,
height: 1.5,
),
),
],
if (action != null) ...[
const SizedBox(height: FaiSpace.xl),
action!,
],
],
),
),
),
);
}
}