feat: embed a Flutter G4F client with Cronet, cookie jar, and origin WebView
Port the Oracle off the Python g4f container onto on-device providers: Chromium HTTP via Cronet, a shared cookie session, IterList retry, hosted OpenAI-compat aggregators, and same-origin WebView fallbacks instead of CORS fetch.
This commit is contained in:
Alma Alexyz
@@ -0,0 +1,338 @@
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import '../data/words_data.dart';
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import '../g4f/g4f.dart';
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import '../models/history_entry_model.dart';
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import '../models/word_model.dart';
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import '../services/ai_oracle_service.dart';
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class ProviderProbeRow {
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ProviderProbeRow({
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required this.provider,
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this.running = false,
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this.ok,
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this.text = '',
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this.error,
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this.elapsedMs = 0,
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});
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final BaseProvider provider;
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bool running;
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bool? ok;
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String text;
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String? error;
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int elapsedMs;
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String get name => provider.name;
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bool get isWebView => provider.isWebView;
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}
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/// On-device comparison: the real Oracle prompt, every G4F provider, Android process.
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class ProviderBakeoffScreen extends StatefulWidget {
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const ProviderBakeoffScreen({super.key, this.autoStart = true});
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final bool autoStart;
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@override
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State<ProviderBakeoffScreen> createState() => _ProviderBakeoffScreenState();
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}
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class _ProviderBakeoffScreenState extends State<ProviderBakeoffScreen> {
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static const _question = 'Что скрыто в моём нынешнем выборе?';
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late final List<SessionWord> _words;
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late final List<Message> _messages;
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late final List<ProviderProbeRow> _rows;
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bool _running = false;
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bool _done = false;
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@override
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void initState() {
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super.initState();
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_words = _pickWords();
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_messages = AiOracleService().buildInterpretationMessages(
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words: _words,
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question: _question,
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);
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_rows = [
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for (final p in G4FClient().chat.completions.providers)
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if (p.working) ProviderProbeRow(provider: p),
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];
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if (widget.autoStart) {
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WidgetsBinding.instance.addPostFrameCallback((_) => _run());
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}
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}
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List<SessionWord> _pickWords() {
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WordItem byName(String name) => kRussianTop1000Words.firstWhere(
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(w) => w.word == name,
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);
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final items = [
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byName('огонь').copyWith(sessionNumber: 17),
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byName('зеркало').copyWith(sessionNumber: 92),
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byName('порог').copyWith(sessionNumber: 112),
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];
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return [
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for (final item in items) SessionWord.fromWordItem(item),
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];
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}
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Future<void> _run() async {
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if (_running) return;
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setState(() {
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_running = true;
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_done = false;
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for (final row in _rows) {
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row.running = false;
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row.ok = null;
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row.text = '';
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row.error = null;
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row.elapsedMs = 0;
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}
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});
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_log('BEGIN question=$_question words=${_words.map((w) => w.word).join(",")}');
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for (final row in _rows) {
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if (!mounted) return;
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setState(() => row.running = true);
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_log('START ${row.name} webview=${row.isWebView}');
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final sw = Stopwatch()..start();
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try {
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final model = row.provider.models.contains(G4FModels.gpt4o)
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? G4FModels.gpt4o
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: row.provider.defaultModel;
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final text = await row.provider.complete(model, _messages);
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sw.stop();
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final ok = looksLikeModelOutput(text) && text.trim().length >= 2;
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row
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..ok = ok
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..text = text.trim()
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..error = ok ? null : 'unusable'
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..elapsedMs = sw.elapsedMilliseconds
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..running = false;
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_log(
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'DONE ${row.name} ok=$ok ms=${row.elapsedMs} chars=${row.text.length}',
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);
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_log('TEXT ${row.name} ${jsonEncode(row.text)}');
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} catch (e) {
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sw.stop();
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row
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..ok = false
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..error = e.toString()
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..elapsedMs = sw.elapsedMilliseconds
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..running = false;
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_log('FAIL ${row.name} ms=${row.elapsedMs} $e');
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}
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if (mounted) setState(() {});
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}
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await _writeReport();
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_log('END ok=${_rows.where((r) => r.ok == true).length}/${_rows.length}');
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if (mounted) {
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setState(() {
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_running = false;
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_done = true;
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});
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}
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}
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Future<void> _writeReport() async {
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final report = {
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'platform': Platform.operatingSystem,
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'question': _question,
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'words': [
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for (final w in _words)
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{
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'word': w.word,
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'sessionNumber': w.sessionNumber,
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'category': w.category,
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'symbolicMeaning': w.symbolicMeaning,
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}
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],
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'results': [
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for (final r in _rows)
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{
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'name': r.name,
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'webview': r.isWebView,
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'ok': r.ok,
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'ms': r.elapsedMs,
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'error': r.error,
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'text': r.text,
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}
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],
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};
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final encoded = const JsonEncoder.withIndent(' ').convert(report);
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_log('REPORT $encoded');
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try {
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final file = File('/data/data/com.example.words999.words999/cache/oracle_bakeoff.json');
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await file.parent.create(recursive: true);
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await file.writeAsString(encoded);
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_log('WROTE ${file.path}');
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} catch (e) {
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_log('WRITE_FAIL $e');
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}
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}
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void _log(String line) {
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debugPrint('ORACLE_BAKEOFF|$line');
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}
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@override
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Widget build(BuildContext context) {
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final okCount = _rows.where((r) => r.ok == true).length;
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return Scaffold(
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backgroundColor: const Color(0xFF0C0E1A),
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appBar: AppBar(
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title: const Text('Сравнение провайдеров'),
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actions: [
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if (!_running)
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IconButton(
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onPressed: _run,
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icon: const Icon(Icons.refresh),
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tooltip: 'Запустить снова',
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),
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],
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),
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body: ListView(
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 32),
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children: [
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_headerCard(okCount),
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const SizedBox(height: 12),
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for (final row in _rows) ...[
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_resultCard(row),
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const SizedBox(height: 10),
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],
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],
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),
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);
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}
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Widget _headerCard(int okCount) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF151829),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: const Color(0xFFFFD54F).withValues(alpha: 0.25)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_running
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? 'Идёт опрос на Android…'
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: _done
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? 'Готово: $okCount из ${_rows.length} ответили'
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: 'Ожидание запуска',
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style: const TextStyle(
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color: Color(0xFFFFD54F),
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fontSize: 16,
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 8),
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Text(
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'Вопрос: «$_question»',
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style: const TextStyle(color: Color(0xFFE8EAF6), height: 1.35),
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),
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const SizedBox(height: 8),
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Text(
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'Знаки: ${_words.map((w) => '«${w.word.toUpperCase()}» (#${w.formattedSessionNumber})').join(' → ')}',
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style: const TextStyle(color: Color(0xFF80DEEA), height: 1.35),
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),
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const SizedBox(height: 6),
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const Text(
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'Тот же system-промпт и user-промпт, что у interpretSession. Каждый провайдер вызывается отдельно, без запасного переключения.',
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style: TextStyle(color: Color(0xFF8C93B8), fontSize: 12, height: 1.35),
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),
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if (_running)
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const Padding(
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padding: EdgeInsets.only(top: 12),
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child: LinearProgressIndicator(color: Color(0xFFFFD54F)),
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),
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],
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),
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);
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}
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Widget _resultCard(ProviderProbeRow row) {
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final Color accent;
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if (row.running) {
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accent = const Color(0xFF80DEEA);
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} else if (row.ok == true) {
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accent = const Color(0xFF81C784);
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} else if (row.ok == false) {
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accent = const Color(0xFFE57373);
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} else {
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accent = const Color(0xFF5C638A);
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}
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return Container(
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: const Color(0xFF151829),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: accent.withValues(alpha: 0.45)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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row.running
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? Icons.hourglass_top
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: row.ok == true
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? Icons.check_circle
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: row.ok == false
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? Icons.cancel
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: Icons.circle_outlined,
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color: accent,
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size: 18,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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row.name,
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style: const TextStyle(
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color: Color(0xFFFFF9C4),
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fontWeight: FontWeight.w700,
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),
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),
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),
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Text(
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row.isWebView ? 'WebView' : 'REST',
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style: const TextStyle(color: Color(0xFF8C93B8), fontSize: 11),
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),
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if (row.elapsedMs > 0) ...[
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const SizedBox(width: 8),
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Text(
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'${(row.elapsedMs / 1000).toStringAsFixed(1)}с',
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style: const TextStyle(color: Color(0xFF8C93B8), fontSize: 11),
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),
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],
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],
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),
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const SizedBox(height: 8),
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if (row.running)
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const Text('Ждём полный ответ…', style: TextStyle(color: Color(0xFF80DEEA)))
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else if (row.ok == true)
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SelectableText(
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row.text,
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style: const TextStyle(color: Color(0xFFE8EAF6), height: 1.4, fontSize: 14),
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)
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else if (row.ok == false)
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Text(
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row.error ?? 'ошибка',
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style: const TextStyle(color: Color(0xFFE57373), fontSize: 12, height: 1.35),
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)
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else
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const Text('в очереди', style: TextStyle(color: Color(0xFF5C638A), fontSize: 12)),
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],
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),
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);
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}
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}
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