{
  "collected_at": "2026-09-07",
  "timezone": "Asia/Shanghai",
  "topic_id": "18910956638743",
  "scope": "Posts created on or after 2026-01-01; older posts excluded even if updated or linked in 2026",
  "raw_visible_posts": 1725,
  "raw_list_pages": 18,
  "excluded_older_posts": 1102,
  "retained_posts": 623,
  "retained_comments": 9572,
  "failed_comment_records": 0,
  "posts_cited_in_knowledge": 116,
  "groups": {
    "portfolio": 48,
    "ideas": 19,
    "guides": 6,
    "events": 37,
    "engineering": 68,
    "lessons": 128,
    "optimization": 61,
    "ai": 142,
    "general": 95,
    "data": 19
  },
  "limits": [
    "Title and main-idea screening completed; selective in-depth reading of substantive posts and comments.",
    "Not every comment or embedded image was deeply reviewed.",
    "Community performance claims were not backtested.",
    "No source authentication material is included."
  ],
  "latest_forum_sync": {
    "collected_at": "2026-09-11",
    "timezone": "Asia/Shanghai",
    "started_at": "2026-09-11T01:03:40.336597+00:00",
    "collection_finished_at": "2026-09-11T01:06:33.369594+00:00",
    "raw_visible_posts": 1730,
    "raw_list_pages": 18,
    "excluded_older_posts": 1101,
    "retained_posts": 629,
    "retained_comments": 9587,
    "newly_indexed_posts": 6,
    "newly_indexed_posts_created_sep_7_or_later": 5,
    "previously_unindexed_sep_5_posts": 1,
    "comments_on_newly_indexed_posts": 9,
    "historical_comments_backfilled_on_existing_posts": 6,
    "comment_count_net_change": 15,
    "metadata_changed_existing_posts": 141,
    "body_edit_count": null,
    "comment_edit_count": null,
    "failed_comment_records": 0,
    "missing_previously_indexed_posts": 0,
    "posts_cited_in_knowledge": 122,
    "groups": {
      "engineering": 69,
      "guides": 7,
      "events": 39,
      "general": 96,
      "ai": 143,
      "portfolio": 48,
      "ideas": 19,
      "lessons": 128,
      "optimization": 61,
      "data": 19
    },
    "recent_comment_records_screened": 244,
    "recent_comment_posts_screened": 87,
    "official_articles_checked": [
      "43302575764631",
      "43302563775127",
      "43302607437719",
      "43302607372183"
    ],
    "baseline_state_directory": ".local/forum-sync/",
    "limits": [
      "First content-fingerprint baseline; metadata changes do not establish body edits.",
      "Historical zero-comment records corrected for three existing posts; net count change is not newly published comments.",
      "All scoped comments fetched, selective historical body reading; images and attachments not fully verified.",
      "No simulations, submissions, email sync, public publishing, or credential/session persistence."
    ]
  }
}