{
  "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": "2026-09-18",
    "timezone": "Asia/Shanghai",
    "started_at": "2026-09-18T02:11:39.967012+00:00",
    "collection_finished_at": "2026-09-18T02:16:36.188053+00:00",
    "previous_successful_collection_finished_at": "2026-09-11T01:06:33.369594+00:00",
    "raw_visible_posts": 1771,
    "raw_list_pages": 18,
    "excluded_older_posts": 1101,
    "retained_posts": 670,
    "retained_comments": 9601,
    "newly_indexed_posts": 41,
    "newly_indexed_posts_created_after_previous_collection": 29,
    "historical_posts_newly_indexed": 12,
    "comments_on_newly_indexed_posts": 5,
    "newly_visible_comments_on_existing_posts": 9,
    "historical_comments_newly_visible": 7,
    "newly_visible_comments_created_after_previous_collection": 7,
    "comment_count_net_change": 14,
    "metadata_changed_existing_posts": 231,
    "body_changed_existing_post_ids": [
      "43320471694999",
      "43030071187479"
    ],
    "comment_changed_existing_post_ids": [
      "42302637812503"
    ],
    "edited_existing_comments": 0,
    "missing_existing_comment_ids": 0,
    "failed_comment_records": 0,
    "missing_previously_indexed_posts": 0,
    "posts_cited_in_knowledge": 142,
    "groups": {
      "portfolio": 50,
      "ai": 154,
      "ideas": 30,
      "lessons": 134,
      "optimization": 62,
      "data": 20,
      "events": 41,
      "engineering": 75,
      "guides": 8,
      "general": 96
    },
    "new_post_texts_screened": 40,
    "metadata_only_post_ids": [
      "43287990820375"
    ],
    "new_or_newly_visible_comments_read": 14,
    "official_articles_checked": [
      {
        "id": "41681208900759",
        "updated_at": "2026-09-13T15:38:21Z",
        "read_at": "2026-09-18"
      }
    ],
    "baseline_state_directory": ".local/forum-sync/",
    "limits": [
      "Newly visible records can predate the previous run; cause of historical visibility gaps is unknown.",
      "One new post is image-only and its body has not been visually reviewed; other images and attachments not fully verified.",
      "Community backtest claims not reproduced; code findings are static, not live platform tests.",
      "No simulations, submissions, email sync, public publishing, or credential/session persistence.",
      "Comment fingerprints cover normalized text only, not link destinations, formatting, or embedded media changes."
    ],
    "unread_media": [
      {
        "post_id": "43287990820375",
        "image_count": 12,
        "http_status": 403
      }
    ]
  },
  "forum_sync_history": [
    {
      "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."
      ]
    }
  ]
}