Publish benchmark task data

README.md

@@ -76,8 +76,8 @@ This file is generated from the benchmark definition.
 - URL: https://github.com/pooriaarab/benchmark-tool-errors/blob/main/scripts/gen-tasks.mjs
 - Licence: `MIT`
 - Retrieved: 2026-10-15T00:00:00.000Z
-- How to get it: Run `node scripts/gen-tasks.mjs --seed 20261015 --split public` from the repository root. Run with `--split hidden` to create the untracked hidden split.
-- Contamination notes: The 40 public tasks use seed 20261015 and are visible in the npm package. Final comparisons should use a separately generated, untracked hidden split with a private seed.
+- How to get it: Run `node scripts/gen-tasks.mjs --seed 20261015 --split public` from the repository root. Run `node scripts/gen-tasks.mjs --split hidden --seed <private> [--out <path>]` (or set BTER_HIDDEN_SEED) to create the untracked hidden split.
+- Contamination notes: The 40 public tasks use seed 20261015 and are visible in the npm package. Final comparisons should use the separately generated, untracked hidden split; its ids, prompts, fault order, and expected answers differ from the public set.
 - Refresh: Regenerate and review public fixtures for each minor release; rotate the private hidden seed for every evaluation campaign.
 
 

croissant.json

@@ -17,7 +17,11 @@
       "@type": "@vocab"
     },
     "dct": "http://purl.org/dc/terms/",
-    "examples": "cr:examples",
+    "equivalentProperty": "cr:equivalentProperty",
+    "examples": {
+      "@id": "cr:examples",
+      "@type": "@json"
+    },
     "extract": "cr:extract",
     "field": "cr:field",
     "fileProperty": "cr:fileProperty",
@@ -66,7 +70,7 @@
   },
   "datePublished": "2026-10-15",
   "dateModified": "2026-10-15",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "inLanguage": "en",
   "keywords": [
     "benchmark-tool-errors",
@@ -82,7 +86,7 @@
       "name": "data/PROVENANCE.md",
       "contentUrl": "https://huggingface.co/datasets/pooria/benchmark-tool-errors/resolve/main/data/PROVENANCE.md",
       "encodingFormat": "text/markdown",
-      "sha256": "b28fd32e592c3afb8d117af467f60b24a43bdf3aa083ec06f59c64d4baf3084e"
+      "sha256": "8351d2bebdb1bbdddb949f9d9e8c2f2b885b79794e9ccef6f337daf3af31e426"
     },
     {
       "@type": "cr:FileObject",
@@ -90,7 +94,7 @@
       "name": "data/tasks.jsonl",
       "contentUrl": "https://huggingface.co/datasets/pooria/benchmark-tool-errors/resolve/main/data/tasks.jsonl",
       "encodingFormat": "application/jsonlines",
-      "sha256": "130617c11814584fb645f1fe569502bc1d5d11518c5e8c0f38942dd6382915ea"
+      "sha256": "9bbf9a8fca8cfa19df4470fa44d835b847eaddb1d1e9648708a8690f06eae34d"
     },
     {
       "@type": "cr:FileObject",
@@ -98,7 +102,7 @@
       "name": "scripts/gen-tasks.mjs",
       "contentUrl": "https://huggingface.co/datasets/pooria/benchmark-tool-errors/resolve/main/scripts/gen-tasks.mjs",
       "encodingFormat": "text/javascript",
-      "sha256": "8cf70a9176d898106a8378343b2cc36f810dae78ce38ae856ff7c3424334d257"
+      "sha256": "86d2484b6bbaba412a9b494a15f3965883af5e750cc7d4730357d1be1cfb36f7"
     },
     {
       "@type": "cr:FileObject",

data/PROVENANCE.md

@@ -8,6 +8,6 @@ This file is generated from the benchmark definition.
 - URL: https://github.com/pooriaarab/benchmark-tool-errors/blob/main/scripts/gen-tasks.mjs
 - Licence: `MIT`
 - Retrieved: 2026-10-15T00:00:00.000Z
-- How to get it: Run `node scripts/gen-tasks.mjs --seed 20261015 --split public` from the repository root. Run with `--split hidden` to create the untracked hidden split.
-- Contamination notes: The 40 public tasks use seed 20261015 and are visible in the npm package. Final comparisons should use a separately generated, untracked hidden split with a private seed.
+- How to get it: Run `node scripts/gen-tasks.mjs --seed 20261015 --split public` from the repository root. Run `node scripts/gen-tasks.mjs --split hidden --seed <private> [--out <path>]` (or set BTER_HIDDEN_SEED) to create the untracked hidden split.
+- Contamination notes: The 40 public tasks use seed 20261015 and are visible in the npm package. Final comparisons should use the separately generated, untracked hidden split; its ids, prompts, fault order, and expected answers differ from the public set.
 - Refresh: Regenerate and review public fixtures for each minor release; rotate the private hidden seed for every evaluation campaign.

data/tasks.jsonl

@@ -1,40 +1,40 @@
-{"id":"tool-error-001","kind":"episode","prompt":"Create one $409 invoice for Harbor Books. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-1"},"metadata":{"domain":"invoicing","fault":"rate_limit","operationKey":"INV-1015-1","value":409,"retryAfter":7,"taskSeed":1084288352,"split":"public"}}
-{"id":"tool-error-002","kind":"episode","prompt":"Create one $802 invoice for Juniper Works. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-2"},"metadata":{"domain":"invoicing","fault":"one_time_500","operationKey":"INV-1015-2","value":802,"retryAfter":0,"taskSeed":46981080,"split":"public"}}
-{"id":"tool-error-003","kind":"episode","prompt":"Create one $297 invoice for Lumen Repair. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-3"},"metadata":{"domain":"invoicing","fault":"timeout_committed","operationKey":"INV-1015-3","value":297,"retryAfter":0,"taskSeed":1924116073,"split":"public"}}
-{"id":"tool-error-004","kind":"episode","prompt":"Create one $644 invoice for Juniper Works. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-4"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-1015-4","value":644,"retryAfter":0,"taskSeed":2132382735,"split":"public"}}
-{"id":"tool-error-005","kind":"episode","prompt":"Create one $601 invoice for Lumen Repair. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-5"},"metadata":{"domain":"invoicing","fault":"partial_success","operationKey":"INV-1015-5","value":601,"retryAfter":0,"taskSeed":46871772,"split":"public"}}
-{"id":"tool-error-006","kind":"episode","prompt":"Create one $387 invoice for Juniper Works. Do not create duplicates. Report whether it was created.","expected":{"outcome":"failed","key":"INV-1015-6"},"metadata":{"domain":"invoicing","fault":"permanent_failure","operationKey":"INV-1015-6","value":387,"retryAfter":0,"taskSeed":1091754185,"split":"public"}}
-{"id":"tool-error-007","kind":"episode","prompt":"Create one $104 invoice for Juniper Works. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-7"},"metadata":{"domain":"invoicing","fault":"rate_limit","operationKey":"INV-1015-7","value":104,"retryAfter":9,"taskSeed":1117839589,"split":"public"}}
-{"id":"tool-error-008","kind":"episode","prompt":"Create one $214 invoice for Northwind Studio. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-8"},"metadata":{"domain":"invoicing","fault":"one_time_500","operationKey":"INV-1015-8","value":214,"retryAfter":0,"taskSeed":402943171,"split":"public"}}
-{"id":"tool-error-009","kind":"episode","prompt":"Create one $803 invoice for Harbor Books. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-9"},"metadata":{"domain":"invoicing","fault":"timeout_committed","operationKey":"INV-1015-9","value":803,"retryAfter":0,"taskSeed":1451901369,"split":"public"}}
-{"id":"tool-error-010","kind":"episode","prompt":"Create one $124 invoice for Northwind Studio. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-1015-10"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-1015-10","value":124,"retryAfter":0,"taskSeed":1906805427,"split":"public"}}
-{"id":"tool-error-011","kind":"episode","prompt":"Send one deployment notice to team@harbor.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-1"},"metadata":{"domain":"email","fault":"timeout_committed","operationKey":"MSG-1015-1","value":"team@harbor.test","retryAfter":0,"taskSeed":1242335438,"split":"public"}}
-{"id":"tool-error-012","kind":"episode","prompt":"Send one deployment notice to hello@juniper.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-2"},"metadata":{"domain":"email","fault":"schema_drift","operationKey":"MSG-1015-2","value":"hello@juniper.test","retryAfter":0,"taskSeed":1509229059,"split":"public"}}
-{"id":"tool-error-013","kind":"episode","prompt":"Send one deployment notice to hello@juniper.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-3"},"metadata":{"domain":"email","fault":"partial_success","operationKey":"MSG-1015-3","value":"hello@juniper.test","retryAfter":0,"taskSeed":220619029,"split":"public"}}
-{"id":"tool-error-014","kind":"episode","prompt":"Send one deployment notice to billing@lumen.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"failed","key":"MSG-1015-4"},"metadata":{"domain":"email","fault":"permanent_failure","operationKey":"MSG-1015-4","value":"billing@lumen.test","retryAfter":0,"taskSeed":44948042,"split":"public"}}
-{"id":"tool-error-015","kind":"episode","prompt":"Send one deployment notice to billing@lumen.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-5"},"metadata":{"domain":"email","fault":"rate_limit","operationKey":"MSG-1015-5","value":"billing@lumen.test","retryAfter":8,"taskSeed":393916401,"split":"public"}}
-{"id":"tool-error-016","kind":"episode","prompt":"Send one deployment notice to team@harbor.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-6"},"metadata":{"domain":"email","fault":"one_time_500","operationKey":"MSG-1015-6","value":"team@harbor.test","retryAfter":0,"taskSeed":1327179204,"split":"public"}}
-{"id":"tool-error-017","kind":"episode","prompt":"Send one deployment notice to hello@juniper.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-7"},"metadata":{"domain":"email","fault":"timeout_committed","operationKey":"MSG-1015-7","value":"hello@juniper.test","retryAfter":0,"taskSeed":1283291841,"split":"public"}}
-{"id":"tool-error-018","kind":"episode","prompt":"Send one deployment notice to billing@lumen.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-8"},"metadata":{"domain":"email","fault":"schema_drift","operationKey":"MSG-1015-8","value":"billing@lumen.test","retryAfter":0,"taskSeed":551822319,"split":"public"}}
-{"id":"tool-error-019","kind":"episode","prompt":"Send one deployment notice to ops@cedar.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-1015-9"},"metadata":{"domain":"email","fault":"partial_success","operationKey":"MSG-1015-9","value":"ops@cedar.test","retryAfter":0,"taskSeed":2071494443,"split":"public"}}
-{"id":"tool-error-020","kind":"episode","prompt":"Send one deployment notice to ops@cedar.test. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"failed","key":"MSG-1015-10"},"metadata":{"domain":"email","fault":"permanent_failure","operationKey":"MSG-1015-10","value":"ops@cedar.test","retryAfter":0,"taskSeed":918528432,"split":"public"}}
-{"id":"tool-error-021","kind":"episode","prompt":"Schedule one release review at 11:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-1"},"metadata":{"domain":"calendar","fault":"partial_success","operationKey":"EVT-1015-1","value":"release review at 11:00 UTC","retryAfter":0,"taskSeed":1800947104,"split":"public"}}
-{"id":"tool-error-022","kind":"episode","prompt":"Schedule one accessibility review at 11:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"failed","key":"EVT-1015-2"},"metadata":{"domain":"calendar","fault":"permanent_failure","operationKey":"EVT-1015-2","value":"accessibility review at 11:00 UTC","retryAfter":0,"taskSeed":697620485,"split":"public"}}
-{"id":"tool-error-023","kind":"episode","prompt":"Schedule one accessibility review at 14:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-3"},"metadata":{"domain":"calendar","fault":"rate_limit","operationKey":"EVT-1015-3","value":"accessibility review at 14:00 UTC","retryAfter":5,"taskSeed":1806356585,"split":"public"}}
-{"id":"tool-error-024","kind":"episode","prompt":"Schedule one budget check-in at 14:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-4"},"metadata":{"domain":"calendar","fault":"one_time_500","operationKey":"EVT-1015-4","value":"budget check-in at 14:00 UTC","retryAfter":0,"taskSeed":2144901818,"split":"public"}}
-{"id":"tool-error-025","kind":"episode","prompt":"Schedule one budget check-in at 11:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-5"},"metadata":{"domain":"calendar","fault":"timeout_committed","operationKey":"EVT-1015-5","value":"budget check-in at 11:00 UTC","retryAfter":0,"taskSeed":695556562,"split":"public"}}
-{"id":"tool-error-026","kind":"episode","prompt":"Schedule one accessibility review at 9:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-6"},"metadata":{"domain":"calendar","fault":"schema_drift","operationKey":"EVT-1015-6","value":"accessibility review at 9:00 UTC","retryAfter":0,"taskSeed":997955655,"split":"public"}}
-{"id":"tool-error-027","kind":"episode","prompt":"Schedule one release review at 15:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-7"},"metadata":{"domain":"calendar","fault":"partial_success","operationKey":"EVT-1015-7","value":"release review at 15:00 UTC","retryAfter":0,"taskSeed":1640941106,"split":"public"}}
-{"id":"tool-error-028","kind":"episode","prompt":"Schedule one release review at 13:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"failed","key":"EVT-1015-8"},"metadata":{"domain":"calendar","fault":"permanent_failure","operationKey":"EVT-1015-8","value":"release review at 13:00 UTC","retryAfter":0,"taskSeed":572766512,"split":"public"}}
-{"id":"tool-error-029","kind":"episode","prompt":"Schedule one incident review at 14:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-9"},"metadata":{"domain":"calendar","fault":"rate_limit","operationKey":"EVT-1015-9","value":"incident review at 14:00 UTC","retryAfter":3,"taskSeed":694671258,"split":"public"}}
-{"id":"tool-error-030","kind":"episode","prompt":"Schedule one incident review at 9:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-1015-10"},"metadata":{"domain":"calendar","fault":"one_time_500","operationKey":"EVT-1015-10","value":"incident review at 9:00 UTC","retryAfter":0,"taskSeed":1287316732,"split":"public"}}
-{"id":"tool-error-031","kind":"episode","prompt":"Add 7 units to LUMEN-LAMP exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-1"},"metadata":{"domain":"inventory","fault":"rate_limit","operationKey":"ADJ-1015-1","value":"LUMEN-LAMP +7","retryAfter":8,"taskSeed":402723823,"split":"public"}}
-{"id":"tool-error-032","kind":"episode","prompt":"Add 15 units to CEDAR-MUG exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-2"},"metadata":{"domain":"inventory","fault":"one_time_500","operationKey":"ADJ-1015-2","value":"CEDAR-MUG +15","retryAfter":0,"taskSeed":1481272845,"split":"public"}}
-{"id":"tool-error-033","kind":"episode","prompt":"Add 18 units to LUMEN-LAMP exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-3"},"metadata":{"domain":"inventory","fault":"timeout_committed","operationKey":"ADJ-1015-3","value":"LUMEN-LAMP +18","retryAfter":0,"taskSeed":2067001075,"split":"public"}}
-{"id":"tool-error-034","kind":"episode","prompt":"Add 4 units to CEDAR-MUG exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-4"},"metadata":{"domain":"inventory","fault":"schema_drift","operationKey":"ADJ-1015-4","value":"CEDAR-MUG +4","retryAfter":0,"taskSeed":2040051436,"split":"public"}}
-{"id":"tool-error-035","kind":"episode","prompt":"Add 2 units to JUNIPER-BAG exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-5"},"metadata":{"domain":"inventory","fault":"partial_success","operationKey":"ADJ-1015-5","value":"JUNIPER-BAG +2","retryAfter":0,"taskSeed":923157666,"split":"public"}}
-{"id":"tool-error-036","kind":"episode","prompt":"Add 6 units to HARBOR-PEN exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"failed","key":"ADJ-1015-6"},"metadata":{"domain":"inventory","fault":"permanent_failure","operationKey":"ADJ-1015-6","value":"HARBOR-PEN +6","retryAfter":0,"taskSeed":1035323521,"split":"public"}}
-{"id":"tool-error-037","kind":"episode","prompt":"Add 15 units to JUNIPER-BAG exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-7"},"metadata":{"domain":"inventory","fault":"rate_limit","operationKey":"ADJ-1015-7","value":"JUNIPER-BAG +15","retryAfter":4,"taskSeed":454986124,"split":"public"}}
-{"id":"tool-error-038","kind":"episode","prompt":"Add 2 units to CEDAR-MUG exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-8"},"metadata":{"domain":"inventory","fault":"one_time_500","operationKey":"ADJ-1015-8","value":"CEDAR-MUG +2","retryAfter":0,"taskSeed":256397602,"split":"public"}}
-{"id":"tool-error-039","kind":"episode","prompt":"Add 18 units to LUMEN-LAMP exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-9"},"metadata":{"domain":"inventory","fault":"timeout_committed","operationKey":"ADJ-1015-9","value":"LUMEN-LAMP +18","retryAfter":0,"taskSeed":567746130,"split":"public"}}
-{"id":"tool-error-040","kind":"episode","prompt":"Add 17 units to HARBOR-PEN exactly once. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-1015-10"},"metadata":{"domain":"inventory","fault":"schema_drift","operationKey":"ADJ-1015-10","value":"HARBOR-PEN +17","retryAfter":0,"taskSeed":1229197203,"split":"public"}}
+{"id":"tool-error-001","kind":"episode","prompt":"Create one $80 invoice for Lumen Repair with reference INV-61015-1. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-61015-1"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-61015-1","value":80,"payloadField":"charge","staleField":"bill","retryAfter":0,"taskSeed":1171696878,"split":"public"}}
+{"id":"tool-error-002","kind":"episode","prompt":"Issue a single invoice of $87 to Lumen Repair tagged INV-61015-2. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-2"},"metadata":{"domain":"invoicing","fault":"timeout_committed","operationKey":"INV-61015-2","value":87,"payloadField":"amount","staleField":"amount","retryAfter":0,"taskSeed":857804931,"split":"public"}}
+{"id":"tool-error-003","kind":"episode","prompt":"Issue a single invoice of $264 to Juniper Works tagged INV-61015-3. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-3"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-61015-3","value":264,"payloadField":"amount","staleField":"value","retryAfter":0,"taskSeed":942967812,"split":"public"}}
+{"id":"tool-error-004","kind":"episode","prompt":"Issue a single invoice of $110 to Juniper Works tagged INV-61015-4. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-4"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-61015-4","value":110,"payloadField":"amount","staleField":"charge","retryAfter":0,"taskSeed":211213902,"split":"public"}}
+{"id":"tool-error-005","kind":"episode","prompt":"Issue a single invoice of $603 to Moss Market tagged INV-61015-5. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-5"},"metadata":{"domain":"invoicing","fault":"partial_success","operationKey":"INV-61015-5","value":603,"payloadField":"amount","staleField":"amount","retryAfter":0,"taskSeed":637109122,"split":"public"}}
+{"id":"tool-error-006","kind":"episode","prompt":"Create one $156 invoice for Lumen Repair with reference INV-61015-6. Do not create duplicates. Report whether it was created.","expected":{"outcome":"failed","key":"INV-61015-6"},"metadata":{"domain":"invoicing","fault":"permanent_failure","operationKey":"INV-61015-6","value":156,"payloadField":"charge","staleField":"charge","retryAfter":0,"taskSeed":1244444853,"split":"public"}}
+{"id":"tool-error-007","kind":"episode","prompt":"Issue a single invoice of $653 to Juniper Works tagged INV-61015-7. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-7"},"metadata":{"domain":"invoicing","fault":"one_time_500","operationKey":"INV-61015-7","value":653,"payloadField":"payload","staleField":"payload","retryAfter":0,"taskSeed":1851393998,"split":"public"}}
+{"id":"tool-error-008","kind":"episode","prompt":"Create one $906 invoice for Cobalt Pantry with reference INV-61015-8. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-61015-8"},"metadata":{"domain":"invoicing","fault":"rate_limit","operationKey":"INV-61015-8","value":906,"payloadField":"charge","staleField":"charge","retryAfter":4,"taskSeed":473704712,"split":"public"}}
+{"id":"tool-error-009","kind":"episode","prompt":"Create one $106 invoice for Moss Market with reference INV-61015-9. Do not create duplicates. Report whether it was created.","expected":{"outcome":"succeeded","key":"INV-61015-9"},"metadata":{"domain":"invoicing","fault":"timeout_committed","operationKey":"INV-61015-9","value":106,"payloadField":"payload","staleField":"payload","retryAfter":0,"taskSeed":1614221713,"split":"public"}}
+{"id":"tool-error-010","kind":"episode","prompt":"Issue a single invoice of $350 to Quill and Pine tagged INV-61015-10. Never bill twice. Report the outcome.","expected":{"outcome":"succeeded","key":"INV-61015-10"},"metadata":{"domain":"invoicing","fault":"schema_drift","operationKey":"INV-61015-10","value":350,"payloadField":"amount","staleField":"value","retryAfter":0,"taskSeed":63578441,"split":"public"}}
+{"id":"tool-error-011","kind":"episode","prompt":"Email hello@juniper.test a single deployment notice tagged MSG-61015-1. Send exactly once. Report the delivery outcome.","expected":{"outcome":"succeeded","key":"MSG-61015-1"},"metadata":{"domain":"email","fault":"partial_success","operationKey":"MSG-61015-1","value":"hello@juniper.test","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":1960125271,"split":"public"}}
+{"id":"tool-error-012","kind":"episode","prompt":"Send one policy update to ops@cedar.test using reference MSG-61015-2. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"failed","key":"MSG-61015-2"},"metadata":{"domain":"email","fault":"permanent_failure","operationKey":"MSG-61015-2","value":"ops@cedar.test","payloadField":"recipient","staleField":"recipient","retryAfter":0,"taskSeed":551193197,"split":"public"}}
+{"id":"tool-error-013","kind":"episode","prompt":"Send one deployment notice to dev@ferrotype.test using reference MSG-61015-3. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-61015-3"},"metadata":{"domain":"email","fault":"rate_limit","operationKey":"MSG-61015-3","value":"dev@ferrotype.test","payloadField":"message","staleField":"message","retryAfter":4,"taskSeed":2038253810,"split":"public"}}
+{"id":"tool-error-014","kind":"episode","prompt":"Send one policy update to ops@cedar.test using reference MSG-61015-4. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-61015-4"},"metadata":{"domain":"email","fault":"one_time_500","operationKey":"MSG-61015-4","value":"ops@cedar.test","payloadField":"message","staleField":"message","retryAfter":0,"taskSeed":1129059089,"split":"public"}}
+{"id":"tool-error-015","kind":"episode","prompt":"Email billing@lumen.test a single deployment notice tagged MSG-61015-5. Send exactly once. Report the delivery outcome.","expected":{"outcome":"succeeded","key":"MSG-61015-5"},"metadata":{"domain":"email","fault":"schema_drift","operationKey":"MSG-61015-5","value":"billing@lumen.test","payloadField":"payload","staleField":"recipient","retryAfter":0,"taskSeed":884377356,"split":"public"}}
+{"id":"tool-error-016","kind":"episode","prompt":"Email team@harbor.test a single incident recap tagged MSG-61015-6. Send exactly once. Report the delivery outcome.","expected":{"outcome":"succeeded","key":"MSG-61015-6"},"metadata":{"domain":"email","fault":"timeout_committed","operationKey":"MSG-61015-6","value":"team@harbor.test","payloadField":"recipient","staleField":"recipient","retryAfter":0,"taskSeed":1542194559,"split":"public"}}
+{"id":"tool-error-017","kind":"episode","prompt":"Email billing@lumen.test a single incident recap tagged MSG-61015-7. Send exactly once. Report the delivery outcome.","expected":{"outcome":"failed","key":"MSG-61015-7"},"metadata":{"domain":"email","fault":"permanent_failure","operationKey":"MSG-61015-7","value":"billing@lumen.test","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":1966065027,"split":"public"}}
+{"id":"tool-error-018","kind":"episode","prompt":"Send one policy update to hello@juniper.test using reference MSG-61015-8. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-61015-8"},"metadata":{"domain":"email","fault":"partial_success","operationKey":"MSG-61015-8","value":"hello@juniper.test","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":1473313508,"split":"public"}}
+{"id":"tool-error-019","kind":"episode","prompt":"Send one usage report to support@cobalt.test using reference MSG-61015-9. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-61015-9"},"metadata":{"domain":"email","fault":"one_time_500","operationKey":"MSG-61015-9","value":"support@cobalt.test","payloadField":"message","staleField":"message","retryAfter":0,"taskSeed":1081941241,"split":"public"}}
+{"id":"tool-error-020","kind":"episode","prompt":"Send one deployment notice to ops@cedar.test using reference MSG-61015-10. Do not send it twice. Report whether delivery was accepted.","expected":{"outcome":"succeeded","key":"MSG-61015-10"},"metadata":{"domain":"email","fault":"timeout_committed","operationKey":"MSG-61015-10","value":"ops@cedar.test","payloadField":"payload","staleField":"payload","retryAfter":0,"taskSeed":1066024192,"split":"public"}}
+{"id":"tool-error-021","kind":"episode","prompt":"Schedule one incident review at 9:00 UTC next Monday with reference EVT-61015-1. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-61015-1"},"metadata":{"domain":"calendar","fault":"timeout_committed","operationKey":"EVT-61015-1","value":"incident review at 9:00 UTC next Monday","payloadField":"event","staleField":"event","retryAfter":0,"taskSeed":941066932,"split":"public"}}
+{"id":"tool-error-022","kind":"episode","prompt":"Put a single hiring debrief on the calendar for 11:00 UTC next Tuesday tagged EVT-61015-2. Never book it twice. Report the outcome.","expected":{"outcome":"failed","key":"EVT-61015-2"},"metadata":{"domain":"calendar","fault":"permanent_failure","operationKey":"EVT-61015-2","value":"hiring debrief at 11:00 UTC next Tuesday","payloadField":"booking","staleField":"booking","retryAfter":0,"taskSeed":969317185,"split":"public"}}
+{"id":"tool-error-023","kind":"episode","prompt":"Put a single incident review on the calendar for 12:00 UTC tomorrow tagged EVT-61015-3. Never book it twice. Report the outcome.","expected":{"outcome":"succeeded","key":"EVT-61015-3"},"metadata":{"domain":"calendar","fault":"partial_success","operationKey":"EVT-61015-3","value":"incident review at 12:00 UTC tomorrow","payloadField":"event","staleField":"event","retryAfter":0,"taskSeed":1753663212,"split":"public"}}
+{"id":"tool-error-024","kind":"episode","prompt":"Schedule one uptime retrospective at 9:00 UTC next Tuesday with reference EVT-61015-4. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-61015-4"},"metadata":{"domain":"calendar","fault":"one_time_500","operationKey":"EVT-61015-4","value":"uptime retrospective at 9:00 UTC next Tuesday","payloadField":"title","staleField":"title","retryAfter":0,"taskSeed":1032181046,"split":"public"}}
+{"id":"tool-error-025","kind":"episode","prompt":"Put a single uptime retrospective on the calendar for 13:00 UTC tomorrow tagged EVT-61015-5. Never book it twice. Report the outcome.","expected":{"outcome":"succeeded","key":"EVT-61015-5"},"metadata":{"domain":"calendar","fault":"schema_drift","operationKey":"EVT-61015-5","value":"uptime retrospective at 13:00 UTC tomorrow","payloadField":"title","staleField":"booking","retryAfter":0,"taskSeed":1028914908,"split":"public"}}
+{"id":"tool-error-026","kind":"episode","prompt":"Put a single roadmap sync on the calendar for 9:00 UTC next Tuesday tagged EVT-61015-6. Never book it twice. Report the outcome.","expected":{"outcome":"succeeded","key":"EVT-61015-6"},"metadata":{"domain":"calendar","fault":"one_time_500","operationKey":"EVT-61015-6","value":"roadmap sync at 9:00 UTC next Tuesday","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":41567556,"split":"public"}}
+{"id":"tool-error-027","kind":"episode","prompt":"Put a single accessibility review on the calendar for 8:00 UTC next Tuesday tagged EVT-61015-7. Never book it twice. Report the outcome.","expected":{"outcome":"succeeded","key":"EVT-61015-7"},"metadata":{"domain":"calendar","fault":"partial_success","operationKey":"EVT-61015-7","value":"accessibility review at 8:00 UTC next Tuesday","payloadField":"booking","staleField":"booking","retryAfter":0,"taskSeed":991023311,"split":"public"}}
+{"id":"tool-error-028","kind":"episode","prompt":"Schedule one uptime retrospective at 17:00 UTC next Monday with reference EVT-61015-8. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"succeeded","key":"EVT-61015-8"},"metadata":{"domain":"calendar","fault":"rate_limit","operationKey":"EVT-61015-8","value":"uptime retrospective at 17:00 UTC next Monday","payloadField":"payload","staleField":"payload","retryAfter":9,"taskSeed":427873431,"split":"public"}}
+{"id":"tool-error-029","kind":"episode","prompt":"Schedule one accessibility review at 14:00 UTC next Tuesday with reference EVT-61015-9. Do not create duplicates. Report whether it was scheduled.","expected":{"outcome":"failed","key":"EVT-61015-9"},"metadata":{"domain":"calendar","fault":"permanent_failure","operationKey":"EVT-61015-9","value":"accessibility review at 14:00 UTC next Tuesday","payloadField":"title","staleField":"title","retryAfter":0,"taskSeed":787730298,"split":"public"}}
+{"id":"tool-error-030","kind":"episode","prompt":"Put a single budget check-in on the calendar for 8:00 UTC tomorrow tagged EVT-61015-10. Never book it twice. Report the outcome.","expected":{"outcome":"succeeded","key":"EVT-61015-10"},"metadata":{"domain":"calendar","fault":"one_time_500","operationKey":"EVT-61015-10","value":"budget check-in at 8:00 UTC tomorrow","payloadField":"title","staleField":"title","retryAfter":0,"taskSeed":462663694,"split":"public"}}
+{"id":"tool-error-031","kind":"episode","prompt":"Increase FERRO-GEAR stock by 2 units one time tagged ADJ-61015-1. No double counting. Report the outcome.","expected":{"outcome":"failed","key":"ADJ-61015-1"},"metadata":{"domain":"inventory","fault":"permanent_failure","operationKey":"ADJ-61015-1","value":"FERRO-GEAR +2","payloadField":"payload","staleField":"payload","retryAfter":0,"taskSeed":1427139578,"split":"public"}}
+{"id":"tool-error-032","kind":"episode","prompt":"Increase CEDAR-MUG stock by 17 units one time tagged ADJ-61015-2. No double counting. Report the outcome.","expected":{"outcome":"failed","key":"ADJ-61015-2"},"metadata":{"domain":"inventory","fault":"permanent_failure","operationKey":"ADJ-61015-2","value":"CEDAR-MUG +17","payloadField":"adjustment","staleField":"adjustment","retryAfter":0,"taskSeed":1713503299,"split":"public"}}
+{"id":"tool-error-033","kind":"episode","prompt":"Add 4 units to HARBOR-PEN exactly once with reference ADJ-61015-3. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-61015-3"},"metadata":{"domain":"inventory","fault":"partial_success","operationKey":"ADJ-61015-3","value":"HARBOR-PEN +4","payloadField":"stock","staleField":"stock","retryAfter":0,"taskSeed":396629894,"split":"public"}}
+{"id":"tool-error-034","kind":"episode","prompt":"Increase MOSS-TRAY stock by 2 units one time tagged ADJ-61015-4. No double counting. Report the outcome.","expected":{"outcome":"succeeded","key":"ADJ-61015-4"},"metadata":{"domain":"inventory","fault":"one_time_500","operationKey":"ADJ-61015-4","value":"MOSS-TRAY +2","payloadField":"stock","staleField":"stock","retryAfter":0,"taskSeed":1987206619,"split":"public"}}
+{"id":"tool-error-035","kind":"episode","prompt":"Increase FERRO-GEAR stock by 5 units one time tagged ADJ-61015-5. No double counting. Report the outcome.","expected":{"outcome":"succeeded","key":"ADJ-61015-5"},"metadata":{"domain":"inventory","fault":"timeout_committed","operationKey":"ADJ-61015-5","value":"FERRO-GEAR +5","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":362407881,"split":"public"}}
+{"id":"tool-error-036","kind":"episode","prompt":"Increase QUILL-PAD stock by 13 units one time tagged ADJ-61015-6. No double counting. Report the outcome.","expected":{"outcome":"succeeded","key":"ADJ-61015-6"},"metadata":{"domain":"inventory","fault":"schema_drift","operationKey":"ADJ-61015-6","value":"QUILL-PAD +13","payloadField":"adjustment","staleField":"quantity","retryAfter":0,"taskSeed":129285654,"split":"public"}}
+{"id":"tool-error-037","kind":"episode","prompt":"Increase CEDAR-MUG stock by 14 units one time tagged ADJ-61015-7. No double counting. Report the outcome.","expected":{"outcome":"succeeded","key":"ADJ-61015-7"},"metadata":{"domain":"inventory","fault":"schema_drift","operationKey":"ADJ-61015-7","value":"CEDAR-MUG +14","payloadField":"stock","staleField":"adjustment","retryAfter":0,"taskSeed":870843989,"split":"public"}}
+{"id":"tool-error-038","kind":"episode","prompt":"Add 16 units to HARBOR-PEN exactly once with reference ADJ-61015-8. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-61015-8"},"metadata":{"domain":"inventory","fault":"schema_drift","operationKey":"ADJ-61015-8","value":"HARBOR-PEN +16","payloadField":"quantity","staleField":"adjustment","retryAfter":0,"taskSeed":1753224846,"split":"public"}}
+{"id":"tool-error-039","kind":"episode","prompt":"Add 17 units to QUILL-PAD exactly once with reference ADJ-61015-9. Do not duplicate the adjustment. Report whether stock was updated.","expected":{"outcome":"succeeded","key":"ADJ-61015-9"},"metadata":{"domain":"inventory","fault":"timeout_committed","operationKey":"ADJ-61015-9","value":"QUILL-PAD +17","payloadField":"value","staleField":"value","retryAfter":0,"taskSeed":1334636629,"split":"public"}}
+{"id":"tool-error-040","kind":"episode","prompt":"Increase CEDAR-MUG stock by 13 units one time tagged ADJ-61015-10. No double counting. Report the outcome.","expected":{"outcome":"succeeded","key":"ADJ-61015-10"},"metadata":{"domain":"inventory","fault":"rate_limit","operationKey":"ADJ-61015-10","value":"CEDAR-MUG +13","payloadField":"adjustment","staleField":"adjustment","retryAfter":3,"taskSeed":2141274397,"split":"public"}}

scripts/gen-tasks.mjs

@@ -6,10 +6,14 @@ function option(name, fallback) {
   return index === -1 ? fallback : argv[index + 1];
 }
 
-const seed = Number(option("--seed", "20261015"));
 const split = option("--split", "public");
-if (!Number.isSafeInteger(seed)) throw new Error("--seed must be a safe integer");
 if (!new Set(["public", "hidden"]).has(split)) throw new Error("--split must be public or hidden");
+const PUBLIC_SEED = 20261015;
+// The hidden seed is private: pass --seed or set BTER_HIDDEN_SEED, never commit it.
+const hiddenSeed = option("--seed", process.env.BTER_HIDDEN_SEED);
+if (split === "hidden" && !hiddenSeed) throw new Error("hidden split needs --seed or BTER_HIDDEN_SEED");
+const seed = Number(split === "hidden" ? hiddenSeed : option("--seed", String(PUBLIC_SEED)));
+if (!Number.isSafeInteger(seed)) throw new Error("--seed must be a safe integer");
 
 function mulberry32(value) {
   return () => {
@@ -23,66 +27,114 @@ function mulberry32(value) {
 
 const random = mulberry32(seed + (split === "hidden" ? 1_000_003 : 0));
 const pick = (values) => values[Math.floor(random() * values.length)];
+const shuffle = (values) => {
+  const copy = [...values];
+  for (let index = copy.length - 1; index > 0; index--) {
+    const swap = Math.floor(random() * (index + 1));
+    [copy[index], copy[swap]] = [copy[swap], copy[index]];
+  }
+  return copy;
+};
+
 const faults = ["rate_limit", "one_time_500", "timeout_committed", "schema_drift", "partial_success", "permanent_failure"];
+// Each task family draws its write payload field from a small pool. The live
+// name is declared by the write tool for ordinary tasks and revealed only by
+// a SCHEMA_CHANGED error on schema-drift tasks, so a fixed script cannot
+// hard-code it. `value` and `payload` stay in every pool so historical
+// guesses still compile into real (often wrong) calls.
+const fieldPools = {
+  invoicing: ["value", "payload", "amount", "charge", "bill"],
+  email: ["value", "payload", "message", "recipient", "body"],
+  calendar: ["value", "payload", "event", "title", "booking"],
+  inventory: ["value", "payload", "quantity", "stock", "adjustment"],
+};
 const domains = [
   {
-    name: "invoicing", nouns: ["Northwind Studio", "Juniper Works", "Harbor Books", "Lumen Repair"],
-    make(index) {
-      const amount = 80 + Math.floor(random() * 820);
-      return { key: `INV-${seed % 10000}-${index + 1}`, value: amount,
-        prompt: `Create one $${amount} invoice for ${pick(this.nouns)}. Do not create duplicates. Report whether it was created.` };
+    name: "invoicing", keyPrefix: "INV",
+    nouns: ["Northwind Studio", "Juniper Works", "Harbor Books", "Lumen Repair", "Cobalt Pantry", "Ferrotype Labs", "Quill and Pine", "Moss Market"],
+    make(index, key) {
+      const amount = 60 + Math.floor(random() * 940);
+      const client = pick(this.nouns);
+      const prompt = pick([
+        `Create one $${amount} invoice for ${client} with reference ${key}. Do not create duplicates. Report whether it was created.`,
+        `Issue a single invoice of $${amount} to ${client} tagged ${key}. Never bill twice. Report the outcome.`,
+      ]);
+      return { key, value: amount, prompt };
     },
   },
   {
-    name: "email", nouns: ["ops@cedar.test", "billing@lumen.test", "team@harbor.test", "hello@juniper.test"],
-    make(index) {
+    name: "email", keyPrefix: "MSG",
+    nouns: ["ops@cedar.test", "billing@lumen.test", "team@harbor.test", "hello@juniper.test", "alerts@moss.test", "finance@quill.test", "dev@ferrotype.test", "support@cobalt.test"],
+    subjects: ["deployment notice", "maintenance window", "release summary", "policy update", "usage report", "incident recap"],
+    make(index, key) {
       const recipient = pick(this.nouns);
-      return { key: `MSG-${seed % 10000}-${index + 1}`, value: recipient,
-        prompt: `Send one deployment notice to ${recipient}. Do not send it twice. Report whether delivery was accepted.` };
+      const subject = pick(this.subjects);
+      const prompt = pick([
+        `Send one ${subject} to ${recipient} using reference ${key}. Do not send it twice. Report whether delivery was accepted.`,
+        `Email ${recipient} a single ${subject} tagged ${key}. Send exactly once. Report the delivery outcome.`,
+      ]);
+      return { key, value: recipient, prompt };
     },
   },
   {
-    name: "calendar", nouns: ["release review", "incident review", "budget check-in", "accessibility review"],
-    make(index) {
+    name: "calendar", keyPrefix: "EVT",
+    nouns: ["release review", "incident review", "budget check-in", "accessibility review", "roadmap sync", "vendor demo", "hiring debrief", "uptime retrospective"],
+    days: ["tomorrow", "next Monday", "next Tuesday", "next Thursday", "next Friday"],
+    make(index, key) {
       const title = pick(this.nouns);
-      const hour = 9 + Math.floor(random() * 7);
-      return { key: `EVT-${seed % 10000}-${index + 1}`, value: `${title} at ${hour}:00 UTC`,
-        prompt: `Schedule one ${title} at ${hour}:00 UTC tomorrow. Do not create duplicates. Report whether it was scheduled.` };
+      const hour = 8 + Math.floor(random() * 10);
+      const day = pick(this.days);
+      const prompt = pick([
+        `Schedule one ${title} at ${hour}:00 UTC ${day} with reference ${key}. Do not create duplicates. Report whether it was scheduled.`,
+        `Put a single ${title} on the calendar for ${hour}:00 UTC ${day} tagged ${key}. Never book it twice. Report the outcome.`,
+      ]);
+      return { key, value: `${title} at ${hour}:00 UTC ${day}`, prompt };
     },
   },
   {
-    name: "inventory", nouns: ["CEDAR-MUG", "LUMEN-LAMP", "HARBOR-PEN", "JUNIPER-BAG"],
-    make(index) {
+    name: "inventory", keyPrefix: "ADJ",
+    nouns: ["CEDAR-MUG", "LUMEN-LAMP", "HARBOR-PEN", "JUNIPER-BAG", "COBALT-TIN", "FERRO-GEAR", "QUILL-PAD", "MOSS-TRAY"],
+    make(index, key) {
       const sku = pick(this.nouns);
       const quantity = 2 + Math.floor(random() * 18);
-      return { key: `ADJ-${seed % 10000}-${index + 1}`, value: `${sku} +${quantity}`,
-        prompt: `Add ${quantity} units to ${sku} exactly once. Do not duplicate the adjustment. Report whether stock was updated.` };
+      const prompt = pick([
+        `Add ${quantity} units to ${sku} exactly once with reference ${key}. Do not duplicate the adjustment. Report whether stock was updated.`,
+        `Increase ${sku} stock by ${quantity} units one time tagged ${key}. No double counting. Report the outcome.`,
+      ]);
+      return { key, value: `${sku} +${quantity}`, prompt };
     },
   },
 ];
 
-const tasks = [];
-for (let domainIndex = 0; domainIndex < domains.length; domainIndex++) {
-  const domain = domains[domainIndex];
+const drafted = [];
+// Hidden keys carry an H so they can never collide with public keys, whatever seed is chosen.
+const keyTag = split === "hidden" ? `H${seed % 100000}` : `${seed % 100000}`;
+for (const domain of domains) {
+  const schedule = shuffle([...faults, pick(faults), pick(faults), pick(faults), pick(faults)]);
+  const pool = fieldPools[domain.name];
   for (let index = 0; index < 10; index++) {
-    const fixture = domain.make(index);
-    const fault = faults[(index + domainIndex * 2) % faults.length];
-    const number = domainIndex * 10 + index + 1;
-    tasks.push({
-      id: `${split === "hidden" ? "hidden-" : ""}tool-error-${String(number).padStart(3, "0")}`,
-      kind: "episode",
-      prompt: fixture.prompt,
-      expected: { outcome: fault === "permanent_failure" ? "failed" : "succeeded", key: fixture.key },
-      metadata: {
-        domain: domain.name, fault, operationKey: fixture.key, value: fixture.value,
-        retryAfter: fault === "rate_limit" ? 3 + Math.floor(random() * 8) : 0,
-        taskSeed: Math.floor(random() * 2_147_483_647), split,
-      },
-    });
+    const key = `${domain.keyPrefix}-${keyTag}-${index + 1}`;
+    const payloadField = pick(pool);
+    // Drifted APIs keep documenting a stale name that differs from the live one.
+    const staleField = schedule[index] === "schema_drift" ? pick(pool.filter((name) => name !== payloadField)) : payloadField;
+    drafted.push({ domain: domain.name, fault: schedule[index], payloadField, staleField, fixture: domain.make(index, key) });
   }
 }
+const ordered = split === "hidden" ? shuffle(drafted) : drafted;
+const tasks = ordered.map((entry, position) => ({
+  id: `${split === "hidden" ? "hidden-tool-error" : "tool-error"}-${String(position + 1).padStart(3, "0")}`,
+  kind: "episode",
+  prompt: entry.fixture.prompt,
+  expected: { outcome: entry.fault === "permanent_failure" ? "failed" : "succeeded", key: entry.fixture.key },
+  metadata: {
+    domain: entry.domain, fault: entry.fault, operationKey: entry.fixture.key, value: entry.fixture.value,
+    payloadField: entry.payloadField, staleField: entry.staleField,
+    retryAfter: entry.fault === "rate_limit" ? 3 + Math.floor(random() * 8) : 0,
+    taskSeed: Math.floor(random() * 2_147_483_647), split,
+  },
+}));
 
-const output = split === "public" ? "data/tasks.jsonl" : ".hidden/tasks.jsonl";
-await mkdir(output.slice(0, output.lastIndexOf("/")), { recursive: true });
+const output = option("--out", split === "public" ? "data/tasks.jsonl" : ".hidden/tasks.jsonl");
+await mkdir(output.slice(0, Math.max(output.lastIndexOf("/"), 0)) || ".", { recursive: true });
 await writeFile(output, `${tasks.map((task) => JSON.stringify(task)).join("\n")}\n`);
-console.log(`generated ${tasks.length} ${split} tasks at ${output} with seed ${seed}`);
+console.log(`generated ${tasks.length} ${split} tasks at ${output}${split === "hidden" ? "" : ` with seed ${seed}`}`);