公开研究副本：本地绝对路径、实验主机地址已脱敏。NA 保留，Infomap社区不是业务功能金标；入口为Oracle Replay；未做真实设备在线验证。角色与功能关联是可审核离线推断，未经人工金标或独立外部审查。历史代表截图不认证当次控件对齐。原件 SHA 只认证原件，公开字节 SHA 见发布清单。

odkcollect-Rep2：Download：局部与公共导航

播放真实轨迹、历史快照、Lineage与入口证据

只展示焦点之前已有Snapshot；首250步之前无快照，不用最终图补齐。

source g1s1

target g11s37

执行序号

1899

Native step

2006

wall_time_ms

1793730575537

事件

g11e101:1899

原日志行

5461

Source Activity

org.odk.collect.android.mainmenu.MainMenuActivity

Target Activity

org.odk.collect.android.activities.FormDownloadListActivity

Action

MODEL_CLICK

ModelAction

g1a8

resource ID

org.odk.collect.android:id/name

text/content-desc

Download /

Concrete digest

259f2f75d8e82f6687f7240fbf4fa050310dbe2c552c645a8b51cc16249f8836

已有Snapshot

S0010

Snapshot截止

1750

Target社区

S0010-C0006

成员

['g11s37', 'g11s38', 'g11s41']

Lineage

L00026

当前分区回投指标

{'source_steps': 269, 'budget_share': 0.15371428571428572, 'internal_flow': 181, 'reentries': 9, 'dwell_p90': 3.0, 'dwell_max': 11, 'recent_progress': {'steps': 20, 'new_state': 0, 'new_transition': 0, 'new_pair': 0, 'native_new_model': 0, 'native_progress_records': 20, 'native_selected_unvisited': 0, 'native_selected_unsaturated': 0, 'native_unvisited_positive': 6, 'native_state_saturated': 20}}

附近真实事件（之后为留出事实）

原生选择信息

只复用ModelAction事实，不代表结果覆盖或可执行Concrete库存。

{
  "event": "SELECTION_DECISION",
  "step": 2005,
  "monotonic_ns": 1619621821559900,
  "wall_time_ms": 1793730574329,
  "abstraction_version": 20,
  "state_id": "g1s1",
  "model_action_id": "g1a8",
  "snapshot_reason": "selection",
  "state_visits": 687,
  "state_first_seen": 1,
  "state_last_seen": 2005,
  "state_saturated": true,
  "state_saturation": 1,
  "native_state_saturated": true,
  "native_unsaturated_model_action_count": 0,
  "model_action_count": 8,
  "enabled_valid_action_count": 8,
  "unsaturated_model_action_count": 0,
  "unvisited_model_action_count": 0,
  "effective_unvisited_model_action_count": 0,
  "effective_state_saturated": true,
  "local_probe_action_count": 0,
  "navigation_action_count": 0,
  "enabled_valid_unvisited_action_count": 0,
  "unvisited_model_action_ids": "",
  "selection_strategy": "EPSILON_GREEDY",
  "selection_context": "exploration",
  "selection_buffer_size_after": 0,
  "selected_model_action_type": "MODEL_CLICK",
  "selected_model_action_saturated": true,
  "selected_model_action_unvisited": false,
  "selected_effective_unvisited": false,
  "selected_navigation_target": false,
  "selected_model_action_visits": 85,
  "selected_action_fingerprint": "type=MODEL_CLICK|activity=org.odk.collect.android.mainmenu.MainMenuActivity|class=android.widget.TextView|text=Download|resource_id=org.odk.collect.android:id/name|bounds=231,1071,912,1134",
  "selected_resolved_node_count": 1,
  "event_line": 5460
}