{
  "schema": "sidecat.sprint.sources.v1",
  "sprint": "S006",
  "progress_cutoff": {
    "sequence": 4900,
    "at": "2026-10-08T08:30:18.072363477Z"
  },
  "status": "underway; unjudged; all four integrated boundaries Foundation",
  "sources": [
    {
      "sequence": 4855,
      "name": "S006 selected: use a named retained result, read its original source and return",
      "recorded_at": "2026-10-08T07:12:20.148320307Z",
      "scope": "One finite retained-result/original-source/output/inspect/reopen outcome; prior histories and unfinished release obligations remain."
    },
    {
      "sequence": 4858,
      "name": "S006 assignments: parallel owned plans and remaining integration decision",
      "recorded_at": "2026-10-08T07:18:50.470004261Z",
      "scope": "Caller/helper, presentation, engine, operator, integration, independent QA and delivery have bounded owner scopes."
    },
    {
      "sequence": 4873,
      "name": "S006 4869 disposition: one shared query host makes assessment callable from Lisp",
      "recorded_at": "2026-10-08T07:49:54.603028544Z",
      "scope": "The existing engine is exposed through apphost Query; application owners retain dispatch and authority."
    },
    {
      "sequence": 4898,
      "name": "S006 finite pretrial charter and the first source spot-check",
      "recorded_at": "2026-10-08T08:28:48.73010619Z",
      "scope": "Pre-dispatch non-success makes zero Content reads; actual owner refusal follows one attempted authorized read, without fallback/retry."
    },
    {
      "sequence": 4899,
      "name": "S006 4894 collected: exact engine host interface and bounded host author wave",
      "recorded_at": "2026-10-08T08:29:53.056315541Z",
      "scope": "Branch-aware complete preview and supplied schema closure are handed off. Frozen GREEN request is not a result."
    },
    {
      "sequence": 4900,
      "name": "S006 B API is visible in source; release the narrow host handoff independently of full GREEN",
      "recorded_at": "2026-10-08T08:30:18.072363477Z",
      "scope": "Interface members are visible in source; stable handoff proceeds independently. Already owned GREEN/RED requests still need actual results."
    }
  ],
  "supplemental_reads": {
    "read_started_at": "2026-10-08T08:41:52.762936+00:00",
    "read_finished_at": "2026-10-08T08:41:53.402504+00:00",
    "scope": "Exact selection-time Plan revision returned by native4855 read through its owner after fixed cutoff4900; underway, judgment null. This is not a current-head read or an atomic event-fenced snapshot."
  },
  "historical_reports": [
    {
      "url": "/development-history/s003-progress.json",
      "sha256": "64de2570b69b6efc1dd53eca089f8b50722dd06c818fa6b36daca1c576e9d719",
      "status": "Historical snapshot preserved unchanged; S003 is now disposed and closed."
    },
    {
      "url": "/development-history/s004-progress.json",
      "sha256": "d47991fec5a28801e486932f6c0845dc8d08f5a81089a2ebe4a8ae8d4b76a540",
      "status": "Exact prior published snapshot preserved unchanged through cutoff4751. Closing disposition follows native4791/4796, reported separately."
    },
    {
      "url": "/development-history/s005-progress.json",
      "sha256": "228ab8875d712d5154f1f87f5a4cc568cbbe7521ed4ac388812a351ad6ae0561",
      "status": "Exact deployed S005 start snapshot at site7b525904/cutoff4796, retained unchanged; finite completion is later native evidence."
    },
    {
      "url": "/development-history/s005-closeout-progress.json",
      "sha256": "029abdb7f09000a9152f09de7d5127f8928bbfb1bdfdf4917daeddaaaf63eb96",
      "status": "Exact deployed S005 closeout at source e04647e8/cutoff4831, retained unchanged; Qualified finite guidance-use outcome completed."
    }
  ],
  "limits": "New public S006 records contain sequence/title/time and summary evidence only. Real fixture values, actual owner IDs and private interface/test packets are excluded. Historical files retain their already published bytes."
}