feat: 移动端设备信息最大化采集(型号/UA-CH/视口/方向/触点/内存/网络/深浅色)
SDK:buildEnvContext 同步扩展 12 键(dpr/viewport/orientation/maxTouchPoints/ deviceMemory/languages/colorScheme/standalone/network downlink·rtt·saveData/ 微信版本),逐键 try/catch 静默缺则不挂;新增 collectHighEntropyHints(UA-CH model/platformVersion/architecture/bitness),init 后 Promise.race 2s 超时 异步并入 __ctk_ctx——批次 context flush 时读取,不阻塞首屏。 后端:Visitor 加 device_model/env_extra(迁移 0005);ingest 首批快照 EXTENDED_ENV_KEYS 白名单(值截 100),非首批不覆盖、唯 device_model 空且 本批有值时补填一次(晚到 hints);列表/详情 API 随行输出。 前端:详情访问环境卡设备行升级显示型号(手机 · Pixel 7),追加像素比/ 视口/屏幕方向/触点/内存/网络质量/深浅色/微信版本行(env_extra 逐键判空, 旧数据整块不显示);列表设备列主行拼型号(手机·Pixel 7)。 Co-Authored-By: Claude Code <noreply@anthropic.com>
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# Generated by Django 5.2.17 on 2026-09-16 10:58
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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('tracker', '0004_sourceclassification'),
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]
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operations = [
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migrations.AddField(
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model_name='visitor',
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name='device_model',
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field=models.CharField(blank=True, default='', max_length=64),
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),
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migrations.AddField(
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model_name='visitor',
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name='env_extra',
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field=models.JSONField(blank=True, default=dict),
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),
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]
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