Update original Terminal Desk tasks

LICENSES/README.txt

@@ -1 +1 @@
-Terminal Desk: Apache-2.0. See components/dnakhla/LICENSE and NOTICE.
+Terminal Desk declares Apache-2.0. The standard license text was added by this distribution; see components/dnakhla/LICENSE and NOTICE for attribution.

MANIFEST.json

@@ -1,16 +1,16 @@
 {
   "files": {
     "LICENSES/README.txt": {
-      "bytes": 70,
-      "sha256": "81b8dbed387294d1f7326e8382927aeae6359eccb07fc4ebdb69dacf93cc1c40"
+      "bytes": 152,
+      "sha256": "73b6e48016e027d623e5b6e03c4a6eae26ea366447f10cc09d6a7f06bfef8913"
     },
     "README.md": {
-      "bytes": 649,
-      "sha256": "4596c06ec0f08a479a71f1e935846d07f194f0abfea70a48836bfcb8984d9c82"
+      "bytes": 791,
+      "sha256": "1e23d241e1da2922af95a043de8cea2d71fb5a67c95da8780c5e406223d22d13"
     },
     "SOURCE_LOCK.json": {
       "bytes": 322,
-      "sha256": "d267b7391c2010d2d868a3c8fe5272439533d2bcf45a572b8cbc3781929f8697"
+      "sha256": "77d0d1993cb7e5b2e68e90850e0a4e7ce89a9236e175204fb86b6c7df43f07a3"
     },
     "components/dnakhla/.dockerignore": {
       "bytes": 49,
@@ -26,15 +26,15 @@
     },
     "components/dnakhla/NOTICE": {
       "bytes": 351,
-      "sha256": "c306489df6e0c1049ff449d672d81e2aa5a78c66665c97b1b4448584be62f8f3"
+      "sha256": "a3e807759b2b290d9c6af290af392f2ac87d7951a99b13fd62ee5cb431c86c68"
     },
     "components/dnakhla/README.md": {
-      "bytes": 213,
-      "sha256": "c09541b988eddb81368ac70773caab10b1c9e84c5f6a2649d9bbe7d9e66b4e03"
+      "bytes": 268,
+      "sha256": "e868fbee82b3288b177de089ff6d0e4acab807772d422828c3e81d4580fa350e"
     },
     "components/dnakhla/SOURCE_MANIFEST.json": {
-      "bytes": 6310,
-      "sha256": "2bf0bcef0f8ced6a9b61384db4427f1944d57dabbcf3f6b171fa02dc3652a625"
+      "bytes": 6263,
+      "sha256": "2fc003f012c04e9897d8a629e9b9d6b937154f0646f083ca1cc7493445892d74"
     },
     "components/dnakhla/runtime/common/__init__.py": {
       "bytes": 1,
@@ -273,12 +273,12 @@
       "sha256": "10993deaaa8553929fa0b3b6bf3c1ad100baaaf9ff10ae8ed139a8ec4279a3c4"
     },
     "tasks.jsonl": {
-      "bytes": 4847,
-      "sha256": "438e878e44255a902fc29372e2032e61c83e1c32c0625ca79623325724919a86"
+      "bytes": 3402,
+      "sha256": "d86495b21e4322e5265bff6a2f920b7237278522f0a5c076bf279ba63d9d3d82"
     },
     "validate_dataset.py": {
-      "bytes": 2498,
-      "sha256": "c26f7dd914427c3240b411e1a4d5845669ae01aac488376882ef6b1a4990948d"
+      "bytes": 4483,
+      "sha256": "e62ac01d70ca2c5682089a0713a127a8bcccb5fdf9c5ca53e81ddd8b6f94aaba"
     }
   }
 }

README.md

@@ -11,10 +11,10 @@ configs:
     path: tasks.jsonl
 ---
 
-6 original Terminal Desk tasks served by one OpenEnv image.
+Four original Terminal Desk tasks served by one OpenEnv image.
 
-Original generators, tools and graders are retained. Reset generates a fresh instance. Reward is one when all required artifact checks pass, otherwise zero.
+The tasks cover exam scheduling, meeting availability, subtitle retiming and audio silence reports. Original generators, tools and graders are retained. Reset generates a fresh instance. Reward is one when all required artifact checks pass, otherwise zero.
 
-Use the tools shown at reset and `op=finish` to grade the output. Task IDs and pinned source references are in `tasks.jsonl`. Licenses and provenance are retained in the component directory.
+Use the tools shown at reset and `op=finish` to grade the output. Each episode requires a fresh sandbox. Task IDs and pinned source references are in `tasks.jsonl`. Licenses and provenance are retained in the component directory.
 
 Run `python3 -B validate_dataset.py` to verify the file inventory.

SHA256SUMS

@@ -1,12 +1,12 @@
-81b8dbed387294d1f7326e8382927aeae6359eccb07fc4ebdb69dacf93cc1c40  LICENSES/README.txt
-4596c06ec0f08a479a71f1e935846d07f194f0abfea70a48836bfcb8984d9c82  README.md
-d267b7391c2010d2d868a3c8fe5272439533d2bcf45a572b8cbc3781929f8697  SOURCE_LOCK.json
+73b6e48016e027d623e5b6e03c4a6eae26ea366447f10cc09d6a7f06bfef8913  LICENSES/README.txt
+1e23d241e1da2922af95a043de8cea2d71fb5a67c95da8780c5e406223d22d13  README.md
+77d0d1993cb7e5b2e68e90850e0a4e7ce89a9236e175204fb86b6c7df43f07a3  SOURCE_LOCK.json
 c04a2771c0665225047882b2da49d452e20d7cc9bc0ea024a48f1cd31411c504  components/dnakhla/.dockerignore
 a2464ca6190e49c967ccb0b521c8190dba35d94b9b2208e31562161f20f535b8  components/dnakhla/Dockerfile
 cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  components/dnakhla/LICENSE
-c306489df6e0c1049ff449d672d81e2aa5a78c66665c97b1b4448584be62f8f3  components/dnakhla/NOTICE
-c09541b988eddb81368ac70773caab10b1c9e84c5f6a2649d9bbe7d9e66b4e03  components/dnakhla/README.md
-2bf0bcef0f8ced6a9b61384db4427f1944d57dabbcf3f6b171fa02dc3652a625  components/dnakhla/SOURCE_MANIFEST.json
+a3e807759b2b290d9c6af290af392f2ac87d7951a99b13fd62ee5cb431c86c68  components/dnakhla/NOTICE
+e868fbee82b3288b177de089ff6d0e4acab807772d422828c3e81d4580fa350e  components/dnakhla/README.md
+2fc003f012c04e9897d8a629e9b9d6b937154f0646f083ca1cc7493445892d74  components/dnakhla/SOURCE_MANIFEST.json
 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b  components/dnakhla/runtime/common/__init__.py
 b1e1429208e84aefc2422ee1d2400ad793c43cd5c0e8db213a3b669fe0947ce1  components/dnakhla/runtime/common/contracts.py
 6a1ac8e55af6168d3fdd6b17c700a15cf0546b6154773aa3c59c97d6bffa2ffd  components/dnakhla/runtime/common/models.py
@@ -66,5 +66,5 @@ e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  components/dna
 6bf7658ec8ad07dda230a01fd893091a9b87df18ebf6af25af6c35965ed01fd8  components/dnakhla/upstream/terminal_desk/server/app.py
 8e92f991e14098a0858490fe5beb43ca9b0ee2cfbddb36e73ecf987ba3922902  components/dnakhla/upstream/terminal_desk/server/environment.py
 10993deaaa8553929fa0b3b6bf3c1ad100baaaf9ff10ae8ed139a8ec4279a3c4  schema.json
-438e878e44255a902fc29372e2032e61c83e1c32c0625ca79623325724919a86  tasks.jsonl
-c26f7dd914427c3240b411e1a4d5845669ae01aac488376882ef6b1a4990948d  validate_dataset.py
+d86495b21e4322e5265bff6a2f920b7237278522f0a5c076bf279ba63d9d3d82  tasks.jsonl
+e62ac01d70ca2c5682089a0713a127a8bcccb5fdf9c5ca53e81ddd8b6f94aaba  validate_dataset.py

SOURCE_LOCK.json

@@ -5,7 +5,7 @@
       "revision": "08fab0beb50b665b42f0ac73840f03140f4ad1c9",
       "license": "Apache-2.0",
       "source_file": "SOURCE_MANIFEST.json",
-      "record_sha256": "2bf0bcef0f8ced6a9b61384db4427f1944d57dabbcf3f6b171fa02dc3652a625"
+      "record_sha256": "2fc003f012c04e9897d8a629e9b9d6b937154f0646f083ca1cc7493445892d74"
     }
   }
 }

components/dnakhla/NOTICE

@@ -1,4 +1,4 @@
 Terminal Desk by dnakhla
 Source: https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9
 License declaration: Apache-2.0. The accompanying standard license text was added by this distribution.
-This distribution adds a shared Arena interface and a five-task registry. Original task source remains unchanged.
+This distribution adds a shared Arena interface and a four-task registry. Original task source remains unchanged.

components/dnakhla/README.md

@@ -1,3 +1,5 @@
 Original Terminal Desk tasks by dnakhla. The shared adapter preserves original tools, random resets and artifact grading. Registered IDs are listed in SOURCE_MANIFEST.json.
 
 Run: `python -m dnakhla_compat.server`
+
+Run one episode per sandbox, with one active session.

components/dnakhla/SOURCE_MANIFEST.json

@@ -58,11 +58,9 @@
     "terminal_desk/server/environment.py": "8e92f991e14098a0858490fe5beb43ca9b0ee2cfbddb36e73ecf987ba3922902"
   },
   "selected_tasks": [
-    "sci3_stoich_batch-L2",
-    "math3_exam_slots-L1",
-    "sec3_fw_verdicts-L2",
     "math3_exam_slots-L2",
-    "sec3_auth_triage-L2",
-    "sec3_exfil_flows-L2"
+    "off3_meeting_slot-L2",
+    "med3_subtitle_retime-L2",
+    "med3_silence_report-L2"
   ]
 }

tasks.jsonl

@@ -1,6 +1,4 @@
-{"component":"dnakhla","task_id":"sci3_stoich_batch-L2","split":"train","domain":"natural-science","skill_family":"sci3_stoich_batch","difficulty":2,"behavior":"Batch limiting reagent and yield from a stockroom table","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/science3.py","original_task_definition_sha256":"59477a1f9d38dbe5607f6432b4f8538342eec93faeed09bb6c9cb1402980c9a1","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
-{"component":"dnakhla","task_id":"math3_exam_slots-L1","split":"train","domain":"mathematics-or-formal-reasoning","skill_family":"math3_exam_slots","difficulty":1,"behavior":"Sequence exam blocks into slots","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/mathematics3.py","original_task_definition_sha256":"9dc54710cd826aadbe5de55d9093959e38c59dc59ae080e40d379cc4db1987c1","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
-{"component":"dnakhla","task_id":"sec3_fw_verdicts-L2","split":"train","domain":"cybersecurity","skill_family":"sec3_fw_verdicts","difficulty":2,"behavior":"Evaluate an ordered firewall rule table","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/security3.py","original_task_definition_sha256":"6f5ec9c2dfe9aad81ba382d4f6ffdb7f64493d92cd7fe5d653134ef0dac107af","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
-{"component":"dnakhla","task_id":"math3_exam_slots-L2","split":"train","domain":"mathematics-or-formal-reasoning","skill_family":"math3_exam_slots","difficulty":2,"behavior":"Sequence exam blocks into slots","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/mathematics3.py","original_task_definition_sha256":"9dc54710cd826aadbe5de55d9093959e38c59dc59ae080e40d379cc4db1987c1","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
-{"component":"dnakhla","task_id":"sec3_auth_triage-L2","split":"train","domain":"cybersecurity","skill_family":"sec3_auth_triage","difficulty":2,"behavior":"Block SSH brute-force sources","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/security3.py","original_task_definition_sha256":"6f5ec9c2dfe9aad81ba382d4f6ffdb7f64493d92cd7fe5d653134ef0dac107af","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
-{"component":"dnakhla","task_id":"sec3_exfil_flows-L2","split":"train","domain":"cybersecurity","skill_family":"sec3_exfil_flows","difficulty":2,"behavior":"Flag off-hours exfiltration flows","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/security3.py","original_task_definition_sha256":"6f5ec9c2dfe9aad81ba382d4f6ffdb7f64493d92cd7fe5d653134ef0dac107af","instance_policy":"Original random instance generation at reset.","reward":"One if all original artifact checks pass; zero otherwise."}
+{"component":"dnakhla","task_id":"math3_exam_slots-L2","split":"train","domain":"mathematics-or-formal-reasoning","skill_family":"math3_exam_slots","difficulty":2,"behavior":"Sequence exam blocks into slots","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/mathematics3.py","original_task_definition_sha256":"9dc54710cd826aadbe5de55d9093959e38c59dc59ae080e40d379cc4db1987c1","instance_policy":"Original random instance generation at reset; production ignores client seed.","reward":"One if all original artifact checks pass; zero otherwise."}
+{"component":"dnakhla","task_id":"off3_meeting_slot-L2","split":"train","domain":"office-white-collar","skill_family":"off3_meeting_slot","difficulty":2,"behavior":"Earliest meeting slot across time zones","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/office3.py","original_task_definition_sha256":"1926c4a6e600cabb4cd35fab9528b4e4d55ef4adc1623b7229ac356ef28c987b","instance_policy":"Original random instance generation at reset; production ignores client seed.","reward":"One if all original artifact checks pass; zero otherwise."}
+{"component":"dnakhla","task_id":"med3_subtitle_retime-L2","split":"train","domain":"media-content-production","skill_family":"med3_subtitle_retime","difficulty":2,"behavior":"Retime subtitles through an edit decision list","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/media3.py","original_task_definition_sha256":"9c91cfbde8ad60da034c15ba3418e21ae5891a12ce3932ecaf8035fcd6eef4bd","instance_policy":"Original random instance generation at reset; production ignores client seed.","reward":"One if all original artifact checks pass; zero otherwise."}
+{"component":"dnakhla","task_id":"med3_silence_report-L2","split":"train","domain":"media-content-production","skill_family":"med3_silence_report","difficulty":2,"behavior":"Report silent segments in a lecture recording","source_dataset":"dnakhla/terminal-desk","source_revision":"08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_url":"https://huggingface.co/datasets/dnakhla/terminal-desk/tree/08fab0beb50b665b42f0ac73840f03140f4ad1c9","source_record":"components/dnakhla/SOURCE_MANIFEST.json","original_task_definition":"components/dnakhla/upstream/terminal_desk/families/media3.py","original_task_definition_sha256":"9c91cfbde8ad60da034c15ba3418e21ae5891a12ce3932ecaf8035fcd6eef4bd","instance_policy":"Original random instance generation at reset; production ignores client seed.","reward":"One if all original artifact checks pass; zero otherwise."}

validate_dataset.py

@@ -1,32 +1,79 @@
-import hashlib,json,re
-from pathlib import Path
+"""Offline inventory and provenance checks for this four-task dataset."""
+import hashlib
+import json
+import re
+from pathlib import Path, PurePosixPath
+
+SECRET = re.compile(rb'(?<![A-Za-z0-9])(?:hf_[A-Za-z0-9]{25,}|ghp_[A-Za-z0-9]{25,}|github_pat_[A-Za-z0-9_]{25,}|sk-or-v1-[A-Za-z0-9]{20,}|-----BEGIN (?:RSA |EC |OPENSSH )?PRIVATE KEY-----)')
+TASK_IDS = ('math3_exam_slots-L2', 'off3_meeting_slot-L2', 'med3_subtitle_retime-L2', 'med3_silence_report-L2')
+PIN = '08fab0beb50b665b42f0ac73840f03140f4ad1c9'
+
+
+def require(condition, message):
+    if not condition:
+        raise ValueError(message)
+
+
+def sha(path):
+    return hashlib.sha256(Path(path).read_bytes()).hexdigest()
+
+
+def member(root, relative):
+    part = PurePosixPath(relative)
+    require(isinstance(relative, str) and not part.is_absolute() and '..' not in part.parts,
+            'Unsafe inventory path')
+    target = Path(root) / relative
+    require(target.resolve().is_relative_to(Path(root).resolve()), 'Path leaves dataset')
+    require(target.is_file() and not target.is_symlink(), 'Missing or symlink member: ' + relative)
+    return target
+
 
-SECRET=re.compile(rb'(?<![A-Za-z0-9])(?:hf_[A-Za-z0-9]{25,}|ghp_[A-Za-z0-9]{25,}|github_pat_[A-Za-z0-9_]{25,}|sk-or-v1-[A-Za-z0-9]{20,}|-----BEGIN (?:RSA |EC |OPENSSH )?PRIVATE KEY-----)')
-def sha(p):return hashlib.sha256(p.read_bytes()).hexdigest()
 def validate(root):
- root=Path(root);manifest=json.loads((root/'MANIFEST.json').read_text())['files']
- for p in root.rglob('*'):
-  if p.is_symlink():raise ValueError('Symlink in dataset: '+str(p))
- actual={p.relative_to(root).as_posix() for p in root.rglob('*') if p.is_file() and p.relative_to(root).as_posix() not in {'MANIFEST.json','SHA256SUMS'}}
- assert actual==set(manifest),'Dataset inventory mismatch'
- for name,r in manifest.items():
-  p=root/name;assert p.stat().st_size==r['bytes'] and sha(p)==r['sha256'],name
-  assert p.suffix not in {'.pyc','.pem','.key'} and p.name not in {'.env','token','config_private.json'},name
-  assert not SECRET.search(p.read_bytes()),'Credential-shaped content: '+name
- assert (root/'SHA256SUMS').read_text()==''.join(f"{v['sha256']}  {k}\n" for k,v in manifest.items())
- rows=[json.loads(x) for x in (root/'tasks.jsonl').read_text().splitlines()];ids=[r['task_id'] for r in rows]
- assert 1<=len(ids)<=50 and len(ids)==len(set(ids))
- assert {r['component'] for r in rows}=={'dnakhla'}
- source=json.loads((root/'components/dnakhla/SOURCE_MANIFEST.json').read_text());assert source['selected_tasks']==ids
- for rel,digest in source['original_files'].items():assert sha(root/'components/dnakhla/upstream'/rel)==digest,rel
- lock=json.loads((root/'SOURCE_LOCK.json').read_text())['components']['dnakhla'];assert lock['record_sha256']==sha(root/'components/dnakhla/SOURCE_MANIFEST.json')
- for row in rows:
-  for field in ['source_record','original_task_definition']:
-   assert row[field] in manifest
-  assert sha(root/row['original_task_definition'])==row['original_task_definition_sha256']
-  assert row['source_revision']==source['revision'] and row['source_dataset']==source['dataset']
- for name in ['README.md','tasks.jsonl','components/dnakhla/README.md']:
-  text=(root/name).read_text();assert not re.search('[\u4e00-\u9fff]',text)
-  assert not re.search(r'(?i)api.key|credential|calibration results|research round|co-authored-by|generated by',text)
- return {'passed':True,'tasks':len(ids),'components':1,'original_files':len(source['original_files']),'files':len(manifest)}
-if __name__=='__main__':print(json.dumps(validate(Path(__file__).resolve().parent)))
+    root = Path(root)
+    require(root.is_dir() and not root.is_symlink(), 'Dataset directory missing or symlink')
+    for path in root.rglob('*'):
+        require(not path.is_symlink(), 'Symlink in dataset: ' + str(path))
+    manifest = json.loads(member(root, 'MANIFEST.json').read_text())['files']
+    actual = {p.relative_to(root).as_posix() for p in root.rglob('*') if p.is_file()
+              and p.relative_to(root).as_posix() not in {'MANIFEST.json', 'SHA256SUMS'}}
+    require(actual == set(manifest), 'Dataset inventory mismatch')
+    for name, record in manifest.items():
+        path = member(root, name)
+        require(path.stat().st_size == record['bytes'] and sha(path) == record['sha256'],
+                'Dataset member hash mismatch: ' + name)
+        require(path.suffix not in {'.pyc', '.pem', '.key'}
+                and path.name not in {'.env', 'token', 'config_private.json'}, 'Forbidden member: ' + name)
+        require(not SECRET.search(path.read_bytes()), 'Credential-shaped content: ' + name)
+    sums = ''.join(f"{value['sha256']}  {key}\n" for key, value in manifest.items())
+    require(member(root, 'SHA256SUMS').read_text() == sums, 'SHA256SUMS mismatch')
+    rows = [json.loads(line) for line in member(root, 'tasks.jsonl').read_text().splitlines()]
+    require(tuple(row['task_id'] for row in rows) == TASK_IDS, 'Exact four-task order mismatch')
+    require({row['component'] for row in rows} == {'dnakhla'}, 'Component mismatch')
+    source = json.loads(member(root, 'components/dnakhla/SOURCE_MANIFEST.json').read_text())
+    require(source['selected_tasks'] == list(TASK_IDS) and source['revision'] == PIN,
+            'Source registry or revision mismatch')
+    require(len(source['original_files']) == 52, 'Original file count mismatch')
+    for relative, digest in source['original_files'].items():
+        path = member(root, 'components/dnakhla/upstream/' + relative)
+        require(sha(path) == digest, 'Original source mismatch: ' + relative)
+    lock = json.loads(member(root, 'SOURCE_LOCK.json').read_text())['components']['dnakhla']
+    require(lock['record_sha256'] == sha(root / 'components/dnakhla/SOURCE_MANIFEST.json'),
+            'Source-lock digest mismatch')
+    for row in rows:
+        for field in ('source_record', 'original_task_definition'):
+            require(row[field] in manifest, 'Unlisted task source reference')
+        require(sha(root / row['original_task_definition']) == row['original_task_definition_sha256'],
+                'Task-definition digest mismatch')
+        require(row['source_revision'] == source['revision'] and row['source_dataset'] == source['dataset'],
+                'Task provenance mismatch')
+    for name in ('README.md', 'tasks.jsonl', 'components/dnakhla/README.md'):
+        text = (root / name).read_text()
+        require(not re.search('[\u4e00-\u9fff]', text), 'Public documentation must be English')
+        require(not re.search(r'(?i)api.key|credential|calibration results|research round|co-authored-by|generated by', text),
+                'Unexpected public documentation content')
+    return {'passed': True, 'scope': 'offline_dataset_inventory_only', 'tasks': 4,
+            'components': 1, 'original_files': 52, 'files': len(manifest)}
+
+
+if __name__ == '__main__':
+    print(json.dumps(validate(Path(__file__).resolve().parent)))