{
  "note": "Publish-safe copy of the implementer report and stage worksheet. Local workspace paths are replaced; original evidence remains in the research package.",
  "disposition": "Separate verification passes all 19 functional criteria. Twenty-one stages are Independent and three are Assisted; one of four tasks passes every stage. The implementer did not run all named tab-key, lifecycle, safety, retry-context and offline checks before handing off. The independent verifier ran those checks successfully, which establishes behavior but does not retroactively make the implementer's verification independent. All input/output manifests, seven changed files and the 389-file reconstruction remain intact. This context-limited trial requested Sol high and does not establish default-model or human junior usability. The current extension guidance was clarified after this sealed trial; that wording has not had a new handoff trial.",
  "report": {
    "schemaVersion": 1,
    "createdAt": "2026-09-18T21:47:21Z",
    "finalizedAt": "2026-09-18T21:48:57Z",
    "purpose": "Implementation and verification record for the sealed four-task extension. This report records work and observations; it does not score the guide or trial.",
    "selection": {
      "path": "task-selection.json",
      "sha256": "6c209f618d5dd6fea1d57f9cc09dbaea0b8d2d4156ac5c3489cfb5c318c59ffe",
      "taskIds": [
        "existing-component-extension",
        "new-page-or-feature",
        "new-reusable-component-or-pattern",
        "difficult-cross-cutting-case"
      ],
      "acceptanceCriteriaCount": 19
    },
    "implementationRoot": "[handoff workspace]/work/site",
    "stageEvidencePaths": [
      "worksheet.md",
      "stage-worksheet.json",
      "assertion-plan.json",
      "preimplementation-checkpoint.txt"
    ],
    "changedFiles": "changed-files.json",
    "commands": [
      {
        "command": "sha256sum designs/typesafe/evidence/junior-round10/task-selection.json",
        "exit": 0,
        "result": "6c209f618d5dd6fea1d57f9cc09dbaea0b8d2d4156ac5c3489cfb5c318c59ffe"
      },
      {
        "command": "python3 downloads/clone-docs-recipe.py --template cookbook --name request-outcomes --title 'Handle request outcomes' --lead 'Connect one request to a valid response and a recoverable failure with local fixtures.'",
        "workingDirectory": "[handoff workspace]/work/site",
        "exit": 0,
        "result": "created examples/request-outcomes.html; discoveryFrom examples/cookbook.html"
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/verify-browser-stack.sh",
        "exit": 0,
        "rawResult": "browser-stack-result.txt"
      },
      {
        "command": "node --check assets/docs-recipes.js && node --check assets/local-component-api.js && node --check assets/request-outcome-example.js && node --check assets/request-outcomes.js",
        "workingDirectory": "[handoff workspace]/work/site",
        "exit": 0,
        "rawResult": "source-validation.txt"
      },
      {
        "command": "xmllint --html --noout examples/quickstart.html examples/cookbook.html examples/request-outcomes.html",
        "workingDirectory": "[handoff workspace]/work/site",
        "exit": 0,
        "rawResult": "source-validation.txt"
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 first",
        "runAt": "2026-09-18T21:39:53.610Z",
        "exit": 1,
        "rawResult": "verification-results-first.json",
        "reason": "The assertion used rendered innerText for a text-transform: uppercase label. Visible RESPONSE and ERROR labels were present. The test was corrected to inspect the label's textContent without changing component behavior."
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 corrected",
        "runAt": "2026-09-18T21:40:39.936Z",
        "exit": 0,
        "rawResult": "verification-results-corrected.json"
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 final",
        "runAt": "2026-09-18T21:41:49.126Z",
        "exit": 0,
        "rawResult": "verification-results-final.json"
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify-reflow-controls.cjs http://127.0.0.1:41877 final",
        "exit": null,
        "terminationSignal": "SIGTERM",
        "rawResult": "reflow-controls-aborted-attempt.txt",
        "reason": "The first retained-control draft waited indefinitely on the browser clipboard API after all 12 reflow checks passed. Exact owned processes were stopped and the clipboard was replaced with a deterministic local fixture."
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify-reflow-controls.cjs http://127.0.0.1:41877 final",
        "exit": 1,
        "rawResult": "reflow-controls-first-failure.txt",
        "reason": "The closed dialog left the accessibility tree, so a role locator could no longer inspect its open property. The rerun kept role-based interaction and used the stable DOM class after close."
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify-reflow-controls.cjs http://127.0.0.1:41877 final",
        "exit": 1,
        "rawResult": "reflow-controls-second-failure.txt",
        "reason": "A successful copy changed the button name from Copy selected code to Copied. The denied-path rerun used its stable data-control-id."
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify-reflow-controls.cjs http://127.0.0.1:41877 final",
        "runAt": "2026-09-18T21:46:04.468Z",
        "exit": 0,
        "rawResult": "reflow-controls-final.json"
      },
      {
        "command": "sealed-input manifest loop over input-files.jsonl with sha256sum",
        "runAt": "2026-09-18T21:47:21Z",
        "exit": 0,
        "result": "checked=675 mismatches=0"
      }
    ],
    "acceptanceObservations": {
      "existing-component-extension": [
        "Mouse selection and ArrowLeft return preserve the Quick start heading and URL; aria-selected, tabindex and focus move together.",
        "Retry policy changes the panel to the complete RetryPolicy request with max_retries and backoff settings.",
        "Both variants remain readable at 390px with both tabs inside the viewport and document widths equal to 390px.",
        "The DOM retains docs-code-tabs and docs-code-block IDs and names both in its source note."
      ],
      "new-page-or-feature": [
        "Following Handle request outcomes from cookbook.html lands in a complete docs shell with four shell areas.",
        "Request, Request outcomes and Recovery guidance are separate headings tied to the same support-routing operation.",
        "The error fixture names TypeSafeRateLimitError and HTTP 429; recovery uses retry_after_ms and gives a concrete wait-and-retry action.",
        "The final run observed no TypeSafe API request, failed response or browser error. The reusable component source contains no fetch or XMLHttpRequest call.",
        "At 390px the full request and error remain available and the document, body and client widths are all 390px."
      ],
      "new-reusable-component-or-pattern": [
        "The exported mount function receives caller request text and two finite outcomes, and delegates only to the local finite helper.",
        "Success and error selection update aria-pressed and expose response or error kind text.",
        "Space activates a focused native outcome button; focus remains and the computed outline is 2px solid.",
        "Programmatic text selection returned 336 request characters and 131 outcome characters with user-select auto.",
        "Both initial empty items and an asynchronous empty result expose labelled, visible explanations."
      ],
      "difficult-cross-cutting-case": [
        "Loading sets aria-busy=true; success, empty and error have distinct phase values and messages; error exposes a local retry control.",
        "Rapid Load success then Load error selection ends in error after both delays, and stale success text is absent.",
        "Success, empty, error and rapid states are deterministic controls with zero credential inputs and zero remote requests.",
        "At 390px the request and outcome are vertically ordered, all controls fit, and the page has no horizontal overflow.",
        "Keyboard selection keeps a 2px solid focus outline, updates aria-pressed and announces Selected Rate-limit error through a polite status region."
      ]
    },
    "additionalVerification": {
      "axe": "Zero WCAG 2 A/AA violations on request-outcomes.html and quickstart.html in the final acceptance run.",
      "accessibilityTree": "final-accessibility-tree.json",
      "reflow": "Both modified pages returned 200 and had no document overflow at 390, 768, 1440 and 1920 CSS pixels.",
      "retainedControls": "Mobile menu, theme, search discovery and focus return, feedback, copy success and clipboard-denied fallback passed.",
      "visualInspection": "Saved desktop and narrow captures show the retained docs shell, readable stacked narrow composition and internally scrollable code.",
      "frozenInputs": "All 675 sealed input files match input-files.jsonl.",
      "finalValidation": "final-validation.txt"
    },
    "screenshotsDirectory": "screenshots",
    "knownLimits": [
      "The SDK request is documentation text only and is never executed. Response values and the exact error body are labelled synthetic local fixtures.",
      "The check used Chromium, axe and Chromium's accessibility tree. No external screen reader was run.",
      "The static reference does not establish production TypeSafe authentication, permissions, billing, telemetry or retry timing."
    ],
    "processes": {
      "browserClosed": true,
      "serverStopped": true,
      "writersStopped": true,
      "serverPort": 41877,
      "serverProcessId": 2237379,
      "stopMethod": "Ctrl-C sent to owned exec session 2323; process exited 0."
    }
  },
  "taskStages": [
    {
      "id": "existing-component-extension",
      "status": "See report",
      "stages": {
        "find": {
          "recordedAt": "2026-09-18T21:33:21Z",
          "sources": [
            "frozen/EXTENDING.md#extend-the-contract-with-the-markup",
            "work/site/data/component-contracts.json#docs-code-tabs",
            "work/site/data/component-contracts.json#docs-code-block",
            "work/site/examples/quickstart.html#section-2",
            "work/site/assets/docs-recipes.js"
          ],
          "facts": [
            "docs-code-tabs is the established selected-code interaction and uses role=tab, aria-selected, aria-controls and roving tabindex.",
            "docs-code-block owns Copy, pre and status anatomy.",
            "Quick start contains the complete documented TypeSafeClient request and is the component contract's source recipe."
          ]
        },
        "choose": {
          "recordedAt": "2026-09-18T21:33:50Z",
          "decision": "Extend the Quick start Python SDK example in place with Default request and Retry policy variants using docs-code-tabs, while preserving the complete SDK call in both variants.",
          "reason": "This is the source recipe named by both code component contracts and already carries the public request shape."
        },
        "specify": {
          "recordedAt": "2026-09-18T21:35:24Z",
          "anatomy": "A docs-code-block root contains Copy, a docs-code-tabs tablist, a sibling pre tabpanel and copy status. Each tab has a unique id and aria-controls. The panel aria-labelledby follows selection.",
          "content": "Default request preserves the complete TypeSafeClient call. Retry policy adds the documented RetryPolicy import and retry client keyword with max_retries=3, backoff_initial=0.5 and backoff_max=5.0.",
          "states": [
            "default selected",
            "retry selected",
            "keyboard return to default",
            "clipboard success or manual fallback"
          ],
          "responsive": "Tabs wrap inside the article at 390px and the panel scrolls internally without page overflow.",
          "accessibility": "Native tabs retain roving tabindex, ArrowLeft, ArrowRight, Home and End behavior, aria-selected, aria-controls and a labelled panel."
        },
        "implement": {
          "recordedAt": "2026-09-18T21:37:53Z",
          "changedPaths": [
            "work/site/examples/quickstart.html",
            "work/site/assets/docs-recipes.js",
            "work/site/assets/docs-recipes.css"
          ],
          "componentRoot": "[data-component=docs-code-block][data-extends-component=docs-code-tabs]",
          "result": "The existing Quick start request now has Default request and Retry policy tabs. Generic tab sources use inert template text and preserve the existing install-tab fallback."
        },
        "verify": {
          "recordedAt": "2026-09-18T21:46:39Z",
          "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 final",
          "exit": 0,
          "criteria": [
            "existing-component-extension.1",
            "existing-component-extension.2",
            "existing-component-extension.3",
            "existing-component-extension.4"
          ],
          "resultPath": "verification-results-final.json",
          "screenshots": [
            "screenshots/final-quickstart-retry-narrow.png",
            "screenshots/final-quickstart-390.png",
            "screenshots/final-quickstart-1440.png"
          ],
          "observed": "Mouse and keyboard tab changes preserved context; selected code and ARIA state changed; both panels and controls fit at 390px; source IDs remained explicit."
        },
        "explain": {
          "recordedAt": "2026-09-18T21:47:21Z",
          "sources": [
            "work/site/data/component-contracts.json#docs-code-tabs",
            "work/site/data/component-contracts.json#docs-code-block",
            "work/site/data/public-sdk-contracts.json",
            "work/site/examples/quickstart.html#section-2"
          ],
          "localDecisions": [
            "Use 3 retries as a local example while retaining documented field names and units.",
            "Store variant code in inert templates and write it to the selected panel with textContent."
          ],
          "unansweredQuestions": [
            "No production application retry policy is claimed; the local choice of three retries is not authoritative."
          ]
        }
      }
    },
    {
      "id": "new-page-or-feature",
      "status": "See report",
      "stages": {
        "find": {
          "recordedAt": "2026-09-18T21:33:21Z",
          "sources": [
            "frozen/EXTENDING.md#clone-a-documentation-page",
            "work/site/data/product-inventory.json#docs-cookbook",
            "work/site/examples/cookbook.html",
            "work/site/downloads/clone-docs-recipe.py",
            "work/site/data/public-sdk-contracts.json"
          ],
          "facts": [
            "docs-cookbook is the long task-oriented docs family and cookbook.html is its local shell recipe.",
            "The clone tool preserves the shell and adds an incoming link from the source recipe.",
            "TypeSafeRateLimitError is a documented Python SDK error with HTTP 429 and retry_after_ms."
          ]
        },
        "choose": {
          "recordedAt": "2026-09-18T21:33:50Z",
          "decision": "Clone cookbook.html to request-outcomes.html and keep cookbook.html as the verified discovery path.",
          "reason": "The requested guide is sequential, code-heavy, and task-oriented, which matches docs-cookbook."
        },
        "specify": {
          "recordedAt": "2026-09-18T21:35:24Z",
          "anatomy": "Standard docs shell with Request, Request outcomes, Recovery guidance and Component contract sections. The copied shell retains search, theme, mobile menu, feedback and page navigation.",
          "content": "One support-routing TypeSafeClient request, one synthetic success response, and one synthetic TypeSafeRateLimitError example tied to the same operation. Recovery says wait retry_after_ms, then retry, and inspect request_id if repeated.",
          "data": "All displayed examples are literal local strings. No live request executes.",
          "responsive": "At 390px the request and outcome pair becomes one column, with internal code scrolling and no page overflow.",
          "accessibility": "The page uses native headings and landmarks, a labelled outcome region, status announcements and visible focus."
        },
        "implement": {
          "recordedAt": "2026-09-18T21:37:53Z",
          "changedPaths": [
            "work/site/examples/cookbook.html",
            "work/site/examples/request-outcomes.html",
            "work/site/assets/docs-recipes.js",
            "work/site/assets/docs-recipes.css",
            "work/site/assets/request-outcomes.js"
          ],
          "componentRoot": "body[data-doc-page=docs-request-outcomes]",
          "result": "The cloned cookbook shell contains the request, selectable success and documented rate-limit error, recovery instructions, local state controls and contract. Cookbook navigation and docs search discover the route."
        },
        "verify": {
          "recordedAt": "2026-09-18T21:46:39Z",
          "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 final",
          "exit": 0,
          "criteria": [
            "new-page-or-feature.1",
            "new-page-or-feature.2",
            "new-page-or-feature.3",
            "new-page-or-feature.4",
            "new-page-or-feature.5"
          ],
          "resultPath": "verification-results-final.json",
          "screenshots": [
            "screenshots/final-request-outcomes-desktop.png",
            "screenshots/final-request-outcomes-narrow.png"
          ],
          "observed": "Cookbook navigation discovered the complete docs shell; request, success, error and recovery content were separate; no TypeSafe API request occurred; narrow content remained available without page overflow."
        },
        "explain": {
          "recordedAt": "2026-09-18T21:47:21Z",
          "sources": [
            "work/site/data/product-inventory.json#docs-cookbook",
            "work/site/examples/cookbook.html",
            "work/site/data/public-sdk-contracts.json",
            "frozen/EXTENDING.md#clone-a-documentation-page"
          ],
          "localDecisions": [
            "Use the public TypeSafeRateLimitError class and retry_after_ms field with a visibly synthetic body.",
            "Treat waiting then retrying as this guide's application recovery choice."
          ],
          "unansweredQuestions": [
            "The public record does not guarantee an exact production error-body schema or retry timing."
          ]
        }
      }
    },
    {
      "id": "new-reusable-component-or-pattern",
      "status": "See report",
      "stages": {
        "find": {
          "recordedAt": "2026-09-18T21:33:21Z",
          "sources": [
            "frozen/EXTENDING.md#local-finite-outcome-component-api",
            "work/site/assets/local-component-api.js",
            "work/site/assets/docs-recipes.css"
          ],
          "facts": [
            "mountFiniteOutcome accepts caller-owned finite items and an injected loader, never fetches, renders strings with textContent, exposes aria-pressed, and documents update, request, retry and destroy.",
            "The helper already protects the latest request with a monotonically increasing request ID and AbortController.",
            "Its output uses native buttons, a live status output and a pre/code result."
          ]
        },
        "choose": {
          "recordedAt": "2026-09-18T21:33:50Z",
          "decision": "Compose mountFiniteOutcome in a new request-outcome wrapper that adds a caller-supplied request sample, documented contract and two independent instances.",
          "reason": "The supplied helper meets the finite local outcome boundary and leaves request data plus fixture ownership with the page caller."
        },
        "specify": {
          "recordedAt": "2026-09-18T21:35:24Z",
          "contract": "mountRequestOutcomeExample(root, { label, request: { label, language, body }, outcomes, selectedId, enabled, onSelect }) returns update(partial), request(context, loader), retry(), getState() and destroy(). Outcomes remain finite caller-owned items with id, label, kind and body.",
          "defaults": "label defaults to Request outcome, request labels default to Request and text, outcomes default to [], selectedId defaults to null, enabled defaults to true and onSelect defaults to a no-op through mountFiniteOutcome.",
          "empty": "An empty outcomes array renders a labelled region and No choices are available. An empty loader result renders The request returned no outcomes.",
          "instances": "The page mounts one interactive support-routing example and one independent empty example.",
          "updatesAndCleanup": "update changes only supplied request and outcome fields; request and retry delegate to the finite helper; destroy restores the caller root and aborts pending work."
        },
        "implement": {
          "recordedAt": "2026-09-18T21:37:53Z",
          "changedPaths": [
            "work/site/assets/request-outcome-example.js",
            "work/site/assets/request-outcomes.js",
            "work/site/assets/docs-recipes.css",
            "work/site/examples/request-outcomes.html"
          ],
          "componentRoot": "[data-component=request-outcome-example]",
          "result": "The exported wrapper renders caller-owned request text and delegates finite outcome selection, async loading, retry and cleanup to mountFiniteOutcome. The page mounts interactive and empty instances."
        },
        "verify": {
          "recordedAt": "2026-09-18T21:46:39Z",
          "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 final",
          "exit": 0,
          "criteria": [
            "new-reusable-component-or-pattern.1",
            "new-reusable-component-or-pattern.2",
            "new-reusable-component-or-pattern.3",
            "new-reusable-component-or-pattern.4",
            "new-reusable-component-or-pattern.5"
          ],
          "resultPath": "verification-results-final.json",
          "screenshots": [
            "screenshots/final-request-outcomes-desktop.png",
            "screenshots/final-request-outcomes-narrow.png"
          ],
          "observed": "The caller-owned contract, response/error distinction, keyboard state, focus outline, copyable text and both empty behaviors were exercised."
        },
        "explain": {
          "recordedAt": "2026-09-18T21:47:21Z",
          "sources": [
            "work/site/assets/local-component-api.js",
            "frozen/EXTENDING.md#local-finite-outcome-component-api",
            "work/site/assets/docs-recipes.css"
          ],
          "localDecisions": [
            "Add request rendering as a wrapper rather than changing the supplied finite helper.",
            "Expose the same request and outcome data through getState for deterministic local inspection."
          ],
          "unansweredQuestions": [
            "The new wrapper is an original local documentation pattern and makes no claim about a production TypeSafe component API."
          ]
        }
      }
    },
    {
      "id": "difficult-cross-cutting-case",
      "status": "See report",
      "stages": {
        "find": {
          "recordedAt": "2026-09-18T21:33:21Z",
          "sources": [
            "frozen/EXTENDING.md#runtime-boundary",
            "frozen/EXTENDING.md#local-finite-outcome-component-api",
            "work/site/assets/local-component-api.js",
            "work/site/assets/docs-recipes.css"
          ],
          "facts": [
            "The runtime contract requires idle, loading, success, empty, error and offline, aria-busy, preserved context, and stale-result prevention.",
            "The local helper implements deterministic loaders, request invalidation, live status updates and retry.",
            "The docs shell changes to one column at 800px and code containers own internal overflow."
          ]
        },
        "choose": {
          "recordedAt": "2026-09-18T21:33:50Z",
          "decision": "Expose deterministic local state controls on the request-outcomes guide and use injected delayed loaders to reproduce loading, empty, success, error and overlapping requests.",
          "reason": "This keeps every state reproducible with no credential or transport and uses the supplied concurrency contract."
        },
        "specify": {
          "recordedAt": "2026-09-18T21:35:24Z",
          "states": {
            "loading": "aria-busy=true and Loading request.",
            "success": "A locally injected response item and Request completed.",
            "empty": "No result items and a distinct no-match explanation.",
            "error": "TypeSafeRateLimitError text, retry guidance and a local retry button.",
            "concurrency": "A 180ms success request followed by a 30ms error request; request ID invalidation makes the first stale."
          },
          "controls": "Named local buttons force success, empty, error and rapid-change sequences. All call injected loaders and send no requests.",
          "responsive": "The two-column request/outcome pair stacks at 800px. Choice and state controls wrap, preserve focus targets and never widen the document.",
          "accessibility": "State controls are native buttons. Outcome selection uses aria-pressed. The region uses aria-busy and a polite live status. Focus-visible gets a two-pixel pink outline."
        },
        "implement": {
          "recordedAt": "2026-09-18T21:37:53Z",
          "changedPaths": [
            "work/site/assets/request-outcomes.js",
            "work/site/assets/docs-recipes.css",
            "work/site/examples/request-outcomes.html"
          ],
          "componentRoot": "#support-request-outcome",
          "result": "Fixed-delay injected loaders force success, empty, error and an overlapping slow-success then fast-error sequence. The responsive CSS stacks request and outcome below 800px."
        },
        "verify": {
          "recordedAt": "2026-09-18T21:46:39Z",
          "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/verify.cjs http://127.0.0.1:41877 final",
          "exit": 0,
          "criteria": [
            "difficult-cross-cutting-case.1",
            "difficult-cross-cutting-case.2",
            "difficult-cross-cutting-case.3",
            "difficult-cross-cutting-case.4",
            "difficult-cross-cutting-case.5"
          ],
          "resultPath": "verification-results-final.json",
          "additionalResultPath": "reflow-controls-final.json",
          "screenshots": [
            "screenshots/final-loading.png",
            "screenshots/final-request-outcomes-390.png",
            "screenshots/final-request-outcomes-768.png",
            "screenshots/final-request-outcomes-1440.png",
            "screenshots/final-request-outcomes-1920.png"
          ],
          "observed": "All four phases were distinct; Load success followed by Load error kept the latest error; all fixtures were local; the narrow layout stacked without overflow; keyboard focus and live updates remained visible and semantic."
        },
        "explain": {
          "recordedAt": "2026-09-18T21:47:21Z",
          "sources": [
            "frozen/EXTENDING.md#runtime-boundary",
            "work/site/assets/local-component-api.js",
            "work/site/assets/docs-recipes.css"
          ],
          "localDecisions": [
            "Use short fixed delays only to expose intermediate local states.",
            "Make the older success finish after the newer error so stale replacement is observable."
          ],
          "unansweredQuestions": [
            "Timing is a deterministic test fixture and does not describe production latency or server retry rules."
          ]
        }
      }
    }
  ],
  "independentVerification": {
    "verifierId": "/root/handoff_r10_verifier",
    "verifiedAt": "2026-09-18T21:59:11.977Z",
    "winner": "Below bar",
    "contextBoundary": {
      "scope": "One sealed four-task implementation exercise against the frozen local TypeSafe reference.",
      "implementationBoundary": "Static local reference implementation; no real product codebase, account, credential, production API call, or external side effect.",
      "independence": "Read-only critic. No delegation and no supplemental implementer messages. The observed spawn request named gpt-5.6-sol with high reasoning, but providerSpawnId and providerAttestation are null. This trial does not prove default-model or human-junior usability.",
      "unexpectedPriorContextExposure": "An initial filename-only find listing exposed the names assessment.html, handoff.html, reference-data/junior-handoff-status.json, and data/junior-round1-report.json through data/junior-round9-report.json in supplied trees. I did not open or interpret their contents and did not use them in a judgment."
    },
    "blinding": "Side-by-side contract review. Blind A/B was not applicable because no strict blind win was requested and source versus local fixture attribution was required.",
    "manifestVerification": {
      "passed": true,
      "inputManifest": {
        "expected": "7a4153202f2f2def86505a596e9091796463296ae40dce0b2470fab3c6e007c1",
        "actual": "7a4153202f2f2def86505a596e9091796463296ae40dce0b2470fab3c6e007c1",
        "pass": true
      },
      "inputArchive": {
        "expected": "d04ecb76cc77a9df1d5de51934024f51c33bf8f7252a08b185cf9c53afffb54d",
        "actual": "d04ecb76cc77a9df1d5de51934024f51c33bf8f7252a08b185cf9c53afffb54d",
        "pass": true
      },
      "outputManifest": {
        "expected": "deb5a001715500086f01e8b050ab010b64c088c7b5e7dfbba0ce2b16878b17d8",
        "actual": "deb5a001715500086f01e8b050ab010b64c088c7b5e7dfbba0ce2b16878b17d8",
        "pass": true
      },
      "selectedTask": {
        "expected": "6c209f618d5dd6fea1d57f9cc09dbaea0b8d2d4156ac5c3489cfb5c318c59ffe",
        "actual": "6c209f618d5dd6fea1d57f9cc09dbaea0b8d2d4156ac5c3489cfb5c318c59ffe",
        "pass": true
      },
      "frozenInput": {
        "root": "[handoff workspace]/frozen",
        "expectedCount": 675,
        "actualCount": 675,
        "missing": [],
        "extra": [],
        "mismatched": [],
        "pass": true
      },
      "submittedOutput": {
        "root": "[handoff workspace]/work/site",
        "expectedCount": 389,
        "actualCount": 389,
        "missing": [],
        "extra": [],
        "mismatched": [],
        "pass": true
      },
      "reconstruction": {
        "root": "[local workspace]",
        "expectedCount": 389,
        "actualCount": 389,
        "missing": [],
        "extra": [],
        "mismatched": [],
        "pass": true
      },
      "workVersusReconstruction": {
        "checked": 389,
        "mismatches": [],
        "pass": true
      },
      "changedFiles": {
        "checked": 7,
        "passed": 7,
        "failed": [],
        "details": [
          {
            "path": "assets/docs-recipes.css",
            "status": "modified",
            "declaredSha256": "65bfddcfafe3cc9f5373ce7ddaecca3d9dcbf9e42c4af059cc74a44c1098b4d1",
            "workSha256": "65bfddcfafe3cc9f5373ce7ddaecca3d9dcbf9e42c4af059cc74a44c1098b4d1",
            "reconstructionSha256": "65bfddcfafe3cc9f5373ce7ddaecca3d9dcbf9e42c4af059cc74a44c1098b4d1",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "assets/docs-recipes.js",
            "status": "modified",
            "declaredSha256": "ecfe95157952107860aa6f769d7aaf0db87a397c9a3beb08c61dafc325ff8148",
            "workSha256": "ecfe95157952107860aa6f769d7aaf0db87a397c9a3beb08c61dafc325ff8148",
            "reconstructionSha256": "ecfe95157952107860aa6f769d7aaf0db87a397c9a3beb08c61dafc325ff8148",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "assets/request-outcome-example.js",
            "status": "added",
            "declaredSha256": "b3a82618c23eb6dfc51c66ba738ab68e4cd203c299d7c5eefeb84aa53d3e61c9",
            "workSha256": "b3a82618c23eb6dfc51c66ba738ab68e4cd203c299d7c5eefeb84aa53d3e61c9",
            "reconstructionSha256": "b3a82618c23eb6dfc51c66ba738ab68e4cd203c299d7c5eefeb84aa53d3e61c9",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "assets/request-outcomes.js",
            "status": "added",
            "declaredSha256": "d3e8a7ffe997986eb05eb4f588c5be3500ae5fe7e021be32f8ec67355e6b1855",
            "workSha256": "d3e8a7ffe997986eb05eb4f588c5be3500ae5fe7e021be32f8ec67355e6b1855",
            "reconstructionSha256": "d3e8a7ffe997986eb05eb4f588c5be3500ae5fe7e021be32f8ec67355e6b1855",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "examples/cookbook.html",
            "status": "modified",
            "declaredSha256": "2fb6c885452e4380ce6a2459369ddcd293f385395b49a21eec32647b5a900d30",
            "workSha256": "2fb6c885452e4380ce6a2459369ddcd293f385395b49a21eec32647b5a900d30",
            "reconstructionSha256": "2fb6c885452e4380ce6a2459369ddcd293f385395b49a21eec32647b5a900d30",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "examples/quickstart.html",
            "status": "modified",
            "declaredSha256": "4dd98e11e29aee1974f8ecef4a856af5bb7cf172adf1c6fbedfc30fad3f80cf7",
            "workSha256": "4dd98e11e29aee1974f8ecef4a856af5bb7cf172adf1c6fbedfc30fad3f80cf7",
            "reconstructionSha256": "4dd98e11e29aee1974f8ecef4a856af5bb7cf172adf1c6fbedfc30fad3f80cf7",
            "statusCorrect": true,
            "pass": true
          },
          {
            "path": "examples/request-outcomes.html",
            "status": "added",
            "declaredSha256": "0067cbb5b75fd92b8d77de6de72c2247eca6193c254c87756f4f983cbe2f0282",
            "workSha256": "0067cbb5b75fd92b8d77de6de72c2247eca6193c254c87756f4f983cbe2f0282",
            "reconstructionSha256": "0067cbb5b75fd92b8d77de6de72c2247eca6193c254c87756f4f983cbe2f0282",
            "statusCorrect": true,
            "pass": true
          }
        ]
      }
    },
    "criterionSummary": {
      "Pass": 19,
      "Fail": 0,
      "Unverified": 0,
      "total": 19
    },
    "criteria": [
      {
        "id": "existing-component-extension.1",
        "taskId": "existing-component-extension",
        "target": "A reader can reach and select the retry-policy variant with mouse and keyboard, then return to the default without losing the surrounding article context.",
        "status": "Pass",
        "observation": "Heading=Quick start; URL unchanged=true; selected=true; tabindex=0; focused=true.",
        "evidence": [
          "raw-browser-results.json#results[existing-component-extension.1]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm existing-component-extension.1 passes."
      },
      {
        "id": "existing-component-extension.2",
        "taskId": "existing-component-extension",
        "target": "The selected variant visibly changes the code content and identifies the added retry behavior in the nearby documentation content or label.",
        "status": "Pass",
        "observation": "Content changed=true; RetryPolicy=true; retry fields=true; labelled selected=true.",
        "evidence": [
          "raw-browser-results.json#results[existing-component-extension.2]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm existing-component-extension.2 passes."
      },
      {
        "id": "existing-component-extension.3",
        "taskId": "existing-component-extension",
        "target": "The default and retry-policy forms are both readable at the supported narrow viewport without clipped controls or horizontal-page overflow.",
        "status": "Pass",
        "observation": "Retry readable=true; default readable=true; tab boxes=[{\"left\":32,\"right\":150},{\"left\":155,\"right\":253}]; widths={\"clientWidth\":390,\"scrollWidth\":390,\"bodyScrollWidth\":390}.",
        "evidence": [
          "raw-browser-results.json#results[existing-component-extension.3]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm existing-component-extension.3 passes."
      },
      {
        "id": "existing-component-extension.4",
        "taskId": "existing-component-extension",
        "target": "The source identifies the existing code-example component it extends.",
        "status": "Pass",
        "observation": "Extension roots=1; tab roots=1; source note=The request below extends the established docs-code-tabs and docs-code-block components. Default request keeps the public quickstart form. Retry policy adds the documented local client configuration without running either example in this page. The extension root and adjacent source note name docs-code-block and docs-code-tabs.",
        "evidence": [
          "raw-browser-results.json#results[existing-component-extension.4]",
          "raw-static-results.json#sourceChecks[existing-component-extension.4]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm existing-component-extension.4 passes, then run verify-static.cjs."
      },
      {
        "id": "new-page-or-feature.1",
        "taskId": "new-page-or-feature",
        "target": "The new page is reachable through the documentation navigation or another established public discovery path and renders in the standard docs shell.",
        "status": "Pass",
        "observation": "Cookbook links=1; shell=1; shell parts=4; URL=http://127.0.0.1:43037/examples/request-outcomes.html.",
        "evidence": [
          "raw-browser-results.json#results[new-page-or-feature.1]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-page-or-feature.1 passes."
      },
      {
        "id": "new-page-or-feature.2",
        "taskId": "new-page-or-feature",
        "target": "The page presents request, success response, and failure behavior as separate, identifiable content. Each example has enough context to connect it to the same operation.",
        "status": "Pass",
        "observation": "Headings=[\"Request\",\"Request outcomes\",\"Recovery guidance\"]; choices=[\"Success response\",\"Rate-limit error\"]; shared request=true.",
        "evidence": [
          "raw-browser-results.json#results[new-page-or-feature.2]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-page-or-feature.2 passes."
      },
      {
        "id": "new-page-or-feature.3",
        "taskId": "new-page-or-feature",
        "target": "The error example uses an error category documented in the public inventory, states whether retrying is appropriate for that example, and gives a concrete next action.",
        "status": "Pass",
        "observation": "Named error=true; HTTP 429=true; retry field=true; concrete wait action=true. The frozen public SDK record names TypeSafeRateLimitError, HTTP 429, and retry_after_ms; the page gives a wait-then-retry action.",
        "evidence": [
          "raw-browser-results.json#results[new-page-or-feature.3]",
          "raw-static-results.json#sourceChecks[new-page-or-feature.3]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-page-or-feature.3 passes, then run verify-static.cjs."
      },
      {
        "id": "new-page-or-feature.4",
        "taskId": "new-page-or-feature",
        "target": "All displayed examples use local static data or code only. Loading the page causes no network request to a TypeSafe product API.",
        "status": "Pass",
        "observation": "External requests while loading and exercising page=0. The new component and fixture modules contain no fetch, XMLHttpRequest, or WebSocket call.",
        "evidence": [
          "raw-browser-results.json#results[new-page-or-feature.4]",
          "raw-static-results.json#sourceChecks[new-page-or-feature.4]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-page-or-feature.4 passes, then run verify-static.cjs."
      },
      {
        "id": "new-page-or-feature.5",
        "taskId": "new-page-or-feature",
        "target": "At a narrow viewport, code and response content remain available without truncating the essential request or error information.",
        "status": "Pass",
        "observation": "Request retained=true; error retained=true; widths={\"clientWidth\":390,\"scrollWidth\":390,\"bodyScrollWidth\":390}.",
        "evidence": [
          "raw-browser-results.json#results[new-page-or-feature.5]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-page-or-feature.5 passes."
      },
      {
        "id": "new-reusable-component-or-pattern.1",
        "taskId": "new-reusable-component-or-pattern",
        "target": "A caller supplies the request and outcomes through a documented, finite local data contract. The component does not fetch outcome data itself.",
        "status": "Pass",
        "observation": "Caller request retained=true; finite outcomes=2. The exported wrapper accepts caller-owned request/outcomes and delegates an injected loader without transport code.",
        "evidence": [
          "raw-browser-results.json#results[new-reusable-component-or-pattern.1]",
          "raw-static-results.json#sourceChecks[new-reusable-component-or-pattern.1]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-reusable-component-or-pattern.1 passes, then run verify-static.cjs."
      },
      {
        "id": "new-reusable-component-or-pattern.2",
        "taskId": "new-reusable-component-or-pattern",
        "target": "Readers can identify the selected outcome, distinguish a response from an error, and change selection using the established docs interaction conventions.",
        "status": "Pass",
        "observation": "Pointer response pressed=true; response kind=true; keyboard error pressed=true; error kind=true.",
        "evidence": [
          "raw-browser-results.json#results[new-reusable-component-or-pattern.2]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-reusable-component-or-pattern.2 passes."
      },
      {
        "id": "new-reusable-component-or-pattern.3",
        "taskId": "new-reusable-component-or-pattern",
        "target": "The component supports keyboard use, exposes the selected state to assistive technology, and keeps focus visible.",
        "status": "Pass",
        "observation": "Focused=true; aria-pressed=true; outline=2px solid rgb(241, 81, 192).",
        "evidence": [
          "raw-browser-results.json#results[new-reusable-component-or-pattern.3]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-reusable-component-or-pattern.3 passes."
      },
      {
        "id": "new-reusable-component-or-pattern.4",
        "taskId": "new-reusable-component-or-pattern",
        "target": "The rendered request and selected outcome preserve text selection and copyable code or structured data.",
        "status": "Pass",
        "observation": "Request selected chars=336; outcome selected chars=144; user-select=auto/auto.",
        "evidence": [
          "raw-browser-results.json#results[new-reusable-component-or-pattern.4]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-reusable-component-or-pattern.4 passes."
      },
      {
        "id": "new-reusable-component-or-pattern.5",
        "taskId": "new-reusable-component-or-pattern",
        "target": "The component has a documented empty-outcomes behavior instead of rendering an unlabelled blank area.",
        "status": "Pass",
        "observation": "Empty region label=Empty outcome collection; initial explanation=true; async explanation=true.",
        "evidence": [
          "raw-browser-results.json#results[new-reusable-component-or-pattern.5]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm new-reusable-component-or-pattern.5 passes."
      },
      {
        "id": "difficult-cross-cutting-case.1",
        "taskId": "difficult-cross-cutting-case",
        "target": "Loading, empty, success, and error are visibly and semantically distinct. Each state tells the reader what happened and what action is available when an action is useful.",
        "status": "Pass",
        "observation": "Phases=loading/success/empty/error; loading busy=true; retry visible=true.",
        "evidence": [
          "raw-browser-results.json#results[difficult-cross-cutting-case.1]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm difficult-cross-cutting-case.1 passes."
      },
      {
        "id": "difficult-cross-cutting-case.2",
        "taskId": "difficult-cross-cutting-case",
        "target": "After rapid changes between two or more outcome selections, stale state never replaces the most recent selection.",
        "status": "Pass",
        "observation": "Returned statuses=[\"stale\",\"error\"]; final phase=error; latest error visible=true; stale success absent=true.",
        "evidence": [
          "raw-browser-results.json#results[difficult-cross-cutting-case.2]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm difficult-cross-cutting-case.2 passes."
      },
      {
        "id": "difficult-cross-cutting-case.3",
        "taskId": "difficult-cross-cutting-case",
        "target": "The page uses only deterministic local fixtures. Tests or manual verification can force every state without credentials, timing against a remote service, or external side effects.",
        "status": "Pass",
        "observation": "Forceable controls=[\"success\",\"empty\",\"error\",\"rapid\"]; credential inputs=0; remote requests=0.",
        "evidence": [
          "raw-browser-results.json#results[difficult-cross-cutting-case.3]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm difficult-cross-cutting-case.3 passes."
      },
      {
        "id": "difficult-cross-cutting-case.4",
        "taskId": "difficult-cross-cutting-case",
        "target": "At a narrow viewport, the request and selected outcome transform into a readable arrangement with no lost state control, inaccessible focus target, or horizontal-page overflow.",
        "status": "Pass",
        "observation": "Stacked boxes=[{\"x\":25,\"y\":5.734375,\"width\":340},{\"x\":25,\"y\":337.734375,\"width\":340}]; controls visible and focusable=true; widths={\"clientWidth\":390,\"scrollWidth\":390,\"bodyScrollWidth\":390}.",
        "evidence": [
          "raw-browser-results.json#results[difficult-cross-cutting-case.4]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm difficult-cross-cutting-case.4 passes."
      },
      {
        "id": "difficult-cross-cutting-case.5",
        "taskId": "difficult-cross-cutting-case",
        "target": "Keyboard users can change outcomes, observe the resulting state, and retain a visible focus indicator. Assistive technology receives a concise update when the selected outcome changes.",
        "status": "Pass",
        "observation": "Focused=true; selected=true; outline=2px solid; aria-live=polite; status=Selected Rate-limit error..",
        "evidence": [
          "raw-browser-results.json#results[difficult-cross-cutting-case.5]"
        ],
        "smallestCorrection": null,
        "verifyFix": "Run verify-browser.cjs and confirm difficult-cross-cutting-case.5 passes."
      }
    ],
    "stageSummary": {
      "Independent": 21,
      "Assisted": 3,
      "Blocked": 0,
      "total": 24
    },
    "stages": [
      {
        "taskId": "existing-component-extension",
        "stage": "Find",
        "status": "Independent",
        "reason": "Located the frozen extension instructions, docs-code-tabs and docs-code-block contracts, Quick start source recipe, and shared interaction code before choosing the change.",
        "sources": [
          "stage-worksheet.json#existing-component-extension.find",
          "[handoff workspace]/frozen/EXTENDING.md",
          "[handoff workspace]/frozen/site/data/component-contracts.json"
        ]
      },
      {
        "taskId": "existing-component-extension",
        "stage": "Choose",
        "status": "Independent",
        "reason": "Selected the contract-named Quick start recipe and existing tab plus code-block composition, with a source-backed reason.",
        "sources": [
          "stage-worksheet.json#existing-component-extension.choose",
          "worksheet.md#Existing-component-extension"
        ]
      },
      {
        "taskId": "existing-component-extension",
        "stage": "Specify",
        "status": "Independent",
        "reason": "Recorded anatomy, complete SDK imports and call, both states, narrow behavior, ARIA linkage, roving focus, and browser assertions before implementation.",
        "sources": [
          "stage-worksheet.json#existing-component-extension.specify",
          "assertion-plan.json#existing-component-extension"
        ]
      },
      {
        "taskId": "existing-component-extension",
        "stage": "Implement",
        "status": "Independent",
        "reason": "Changed the existing recipe and shared docs assets through the documented component IDs; reconstruction and browser checks confirm the resulting contract.",
        "sources": [
          "changed-files.json",
          "raw-static-results.json#changedFiles",
          "raw-browser-results.json#results[existing-component-extension]"
        ]
      },
      {
        "taskId": "existing-component-extension",
        "stage": "Verify",
        "status": "Assisted",
        "reason": "The implementer checked all four selected criteria, four-width reflow, and copy success and denial. The frozen contract also required ArrowRight, Home, and End for retained tabs; only the independent verifier ran those keys.",
        "sources": [
          "verification-results-final.json",
          "reflow-controls-final.json",
          "verify.cjs",
          "verify-reflow-controls.cjs",
          "raw-browser-results.json#contractChecks[tablist-all-navigation-keys]"
        ]
      },
      {
        "taskId": "existing-component-extension",
        "stage": "Explain",
        "status": "Independent",
        "reason": "Listed the component and SDK sources, local three-retry choice, inert-template implementation, and the production-policy evidence boundary without leaving a consequential choice open.",
        "sources": [
          "stage-worksheet.json#existing-component-extension.explain",
          "worksheet.md#Existing-component-extension"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Find",
        "status": "Independent",
        "reason": "Located the docs-cookbook inventory row, complete cookbook shell, clone helper, discovery mechanism, and public SDK error record.",
        "sources": [
          "stage-worksheet.json#new-page-or-feature.find",
          "[handoff workspace]/frozen/EXTENDING.md",
          "[handoff workspace]/frozen/site/data/public-sdk-contracts.json"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Choose",
        "status": "Independent",
        "reason": "Chose the task-oriented cookbook shell and named cookbook.html as the incoming discovery route.",
        "sources": [
          "stage-worksheet.json#new-page-or-feature.choose",
          "worksheet.md#New-page-or-feature"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Specify",
        "status": "Independent",
        "reason": "Specified the shell, request, success, named error, recovery, static data boundary, responsive layout, landmarks, status, focus, and five browser assertions.",
        "sources": [
          "stage-worksheet.json#new-page-or-feature.specify",
          "assertion-plan.json#new-page-or-feature"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Implement",
        "status": "Independent",
        "reason": "Used the supplied clone helper, kept an incoming cookbook link, preserved the standard shell, and added the guide with local fixtures only.",
        "sources": [
          "report.json#commands[clone-docs-recipe]",
          "changed-files.json",
          "raw-browser-results.json#results[new-page-or-feature.1]"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Verify",
        "status": "Independent",
        "reason": "The implementer followed the incoming link, checked shell anatomy and all five criteria, blocked external requests, ran axe, checked four widths, and exercised retained shell controls.",
        "sources": [
          "verification-results-final.json",
          "reflow-controls-final.json",
          "final-accessibility-tree.json",
          "verify.cjs",
          "verify-reflow-controls.cjs"
        ]
      },
      {
        "taskId": "new-page-or-feature",
        "stage": "Explain",
        "status": "Independent",
        "reason": "Listed the inventory, shell, SDK and clone sources; separated the documented error class and field from synthetic body values and the local recovery choice; no consequential question remained.",
        "sources": [
          "stage-worksheet.json#new-page-or-feature.explain",
          "worksheet.md#New-page-or-feature"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Find",
        "status": "Independent",
        "reason": "Located the callable finite-outcome helper, its frozen contract, shared styles, lifecycle, stale-result protection, native controls, status, and copyable pre output.",
        "sources": [
          "stage-worksheet.json#new-reusable-component-or-pattern.find",
          "[handoff workspace]/frozen/EXTENDING.md#local-finite-outcome-component-api",
          "[handoff workspace]/frozen/site/assets/local-component-api.js"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Choose",
        "status": "Independent",
        "reason": "Selected composition around the supplied helper, kept request and fixtures caller-owned, and planned two independent instances.",
        "sources": [
          "stage-worksheet.json#new-reusable-component-or-pattern.choose"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Specify",
        "status": "Independent",
        "reason": "Recorded the callable API, inputs, defaults, empty behavior, updates, retry, state inspection, cleanup and two instances; the preimplementation assertion plan covered selected state, keyboard, focus, copyable text and empty behavior.",
        "sources": [
          "stage-worksheet.json#new-reusable-component-or-pattern.specify",
          "assertion-plan.json#new-reusable-component-or-pattern"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Implement",
        "status": "Independent",
        "reason": "Built a root-scoped exported wrapper over the supplied helper. Independent probes confirm separate instances, updates, disabled state, callback, hostile-text safety, and cleanup.",
        "sources": [
          "[handoff workspace]/work/site/assets/request-outcome-example.js",
          "raw-static-results.json#sourceChecks[new-reusable-component-or-pattern.1]",
          "raw-browser-results.json#contractChecks[wrapper-lifecycle-and-isolation]"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Verify",
        "status": "Assisted",
        "reason": "The implementer checked all five selected criteria, axe, two instances and both empty paths. The frozen named verification also required exercising every introduced option, updates, callback behavior, cleanup, hostile text, retry context and offline; those executions first appear in the independent verifier record.",
        "sources": [
          "verification-results-final.json",
          "verify.cjs",
          "[handoff workspace]/frozen/EXTENDING.md#verify-the-chosen-change",
          "raw-browser-results.json#contractChecks[wrapper-lifecycle-and-isolation]",
          "raw-browser-results.json#contractChecks[retry-context-and-offline]"
        ]
      },
      {
        "taskId": "new-reusable-component-or-pattern",
        "stage": "Explain",
        "status": "Independent",
        "reason": "Listed the helper, frozen API and CSS sources, explained wrapper composition and state inspection, and marked the API as an original local pattern rather than a production TypeSafe contract.",
        "sources": [
          "stage-worksheet.json#new-reusable-component-or-pattern.explain",
          "worksheet.md#New-reusable-component-or-pattern"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Find",
        "status": "Independent",
        "reason": "Located the frozen runtime boundary, finite-outcome helper, stale-result implementation and responsive docs CSS.",
        "sources": [
          "stage-worksheet.json#difficult-cross-cutting-case.find",
          "[handoff workspace]/frozen/EXTENDING.md#runtime-boundary",
          "[handoff workspace]/frozen/site/assets/local-component-api.js"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Choose",
        "status": "Independent",
        "reason": "Selected deterministic injected loaders and local controls, matching the supplied async component contract without transport or credentials.",
        "sources": [
          "stage-worksheet.json#difficult-cross-cutting-case.choose"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Specify",
        "status": "Independent",
        "reason": "Specified loading, success, empty, error and overlapping timing, request invalidation, narrow stacking, native controls, aria-busy, live status and visible focus.",
        "sources": [
          "stage-worksheet.json#difficult-cross-cutting-case.specify",
          "assertion-plan.json#difficult-cross-cutting-case"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Implement",
        "status": "Independent",
        "reason": "Added deterministic local loaders and the slow-success then fast-error sequence. Independent results show the first completion returns stale and cannot replace the second error.",
        "sources": [
          "[handoff workspace]/work/site/assets/request-outcomes.js",
          "raw-browser-results.json#results[difficult-cross-cutting-case.2]"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Verify",
        "status": "Assisted",
        "reason": "The implementer checked all five selected criteria, including intermediate loading, final stale-result protection, local-only fixtures, narrow keyboard use and live status. The frozen runtime contract additionally named retry context and offline behavior, but the implementer only checked retry visibility; the independent verifier supplied the first execution evidence.",
        "sources": [
          "verification-results-final.json",
          "verify.cjs",
          "[handoff workspace]/frozen/EXTENDING.md#runtime-boundary",
          "raw-browser-results.json#contractChecks[retry-context-and-offline]"
        ]
      },
      {
        "taskId": "difficult-cross-cutting-case",
        "stage": "Explain",
        "status": "Independent",
        "reason": "Listed the runtime, helper and CSS sources; identified fixed delays as fixtures; separated them from production latency and retry rules; no consequential decision remained unanswered.",
        "sources": [
          "stage-worksheet.json#difficult-cross-cutting-case.explain",
          "worksheet.md#Difficult-cross-cutting-case"
        ]
      }
    ],
    "taskSummary": {
      "passed": 1,
      "failed": 3,
      "total": 4,
      "functionalCompletion": {
        "passed": 4,
        "failed": 0,
        "total": 4
      },
      "tasks": [
        {
          "taskId": "existing-component-extension",
          "functionalAcceptance": "Pass",
          "criteriaPassed": 4,
          "criteriaTotal": 4,
          "sixStagePassage": "Fail",
          "nonIndependentStages": [
            "Verify:Assisted"
          ]
        },
        {
          "taskId": "new-page-or-feature",
          "functionalAcceptance": "Pass",
          "criteriaPassed": 5,
          "criteriaTotal": 5,
          "sixStagePassage": "Pass",
          "nonIndependentStages": []
        },
        {
          "taskId": "new-reusable-component-or-pattern",
          "functionalAcceptance": "Pass",
          "criteriaPassed": 5,
          "criteriaTotal": 5,
          "sixStagePassage": "Fail",
          "nonIndependentStages": [
            "Verify:Assisted"
          ]
        },
        {
          "taskId": "difficult-cross-cutting-case",
          "functionalAcceptance": "Pass",
          "criteriaPassed": 5,
          "criteriaTotal": 5,
          "sixStagePassage": "Fail",
          "nonIndependentStages": [
            "Verify:Assisted"
          ]
        }
      ]
    },
    "commandsAndResults": [
      {
        "command": "[repository]/.agents/skills/design-research/scripts/verify-browser-stack.sh",
        "observedExit": 0,
        "rawResultPath": "independent-verification/browser-stack.txt"
      },
      {
        "command": "node designs/typesafe/evidence/junior-round10/independent-verification/verify-static.cjs",
        "workingDirectory": "[repository]",
        "observedExit": 0,
        "rawResultPath": "independent-verification/raw-static-results.json"
      },
      {
        "command": "python3 -m http.server 0 --bind 127.0.0.1",
        "workingDirectory": "[local workspace]",
        "observedPort": 43037,
        "observedExitAfterCtrlC": 0,
        "rawResultPath": null
      },
      {
        "command": "[repository]/.agents/skills/design-research/scripts/run-playwright.sh designs/typesafe/evidence/junior-round10/independent-verification/verify-browser.cjs http://127.0.0.1:43037",
        "workingDirectory": "[repository]",
        "observedExit": 0,
        "rawResultPath": "independent-verification/raw-browser-results.json"
      },
      {
        "command": "port 43037 socket probe and exact owned-process scan",
        "observedExit": 0,
        "result": "port43037=closed; no matching independent verifier or http.server process"
      },
      {
        "command": "node --check verify-browser.cjs && node --check verify-static.cjs && node --check build-report.cjs && jq validation of report.json",
        "workingDirectory": "designs/typesafe/evidence/junior-round10/independent-verification",
        "observedExit": 0,
        "rawResultPath": "independent-verification/report-validation.txt"
      }
    ],
    "implementerVerificationAssessment": {
      "selectedCriteria": {
        "planned": 19,
        "finalObserved": 19,
        "passed": 19,
        "missing": []
      },
      "originalCheckQuality": "The final criterion checks drive discovery, mouse and keyboard selection, ARIA state, copyable text, async phases, stale rendering, local-only network behavior and narrow reflow. The separate retained-control run passes 17 checks across 390, 768, 1440 and 1920 pixels. Test bodies were inspected, not credited from exit codes alone.",
      "retainedFailures": "The implementer kept one uppercase text-transform assertion failure, an aborted clipboard attempt, and two control-locator failures, then corrected the harness and preserved final passing output. The independent verifier reproduced and retained the same uppercase false negative before using a case-insensitive rendered-label check.",
      "coverageGap": "The original checks do not execute ArrowRight, Home or End on the extended tab list; wrapper update, enabled state, callback, cleanup or hostile-text insertion; or actual retry-context and offline paths. Independent contract probes pass all of these, but they do not retroactively make the implementer's Verify stages Independent.",
      "originalReflowChecks": {
        "total": 17,
        "passed": 17
      },
      "accessibility": {
        "implementer": "axe-core WCAG 2 A/AA plus Chromium accessibility tree, keyboard behavior and focus style; no external screen reader",
        "independent": [
          "axe-core WCAG 2 A/AA",
          "Chromium CDP full accessibility tree",
          "Playwright keyboard interaction",
          "computed focus styles",
          "DOM role and ARIA state inspection"
        ],
        "independentAxeViolations": 0,
        "independentTreeNodes": 489,
        "externalScreenReaderRun": false
      }
    },
    "consequentialUnansweredDecisions": [],
    "findings": [
      {
        "criterion": "Verify stage independence for existing-component-extension, new-reusable-component-or-pattern, and difficult-cross-cutting-case",
        "severity": "Blocking",
        "evidence": "The original verify.cjs and verify-reflow-controls.cjs cover all 19 selected criteria but omit three consequential groups named by frozen EXTENDING.md. The missing executions first appear in raw-browser-results.json contractChecks.",
        "smallestCorrection": "In a new sealed handoff run, have the implementer execute and retain the six independent contract probes before handing off.",
        "verifyFix": "Confirm the implementer's own raw output covers all selected criteria and the tab-key, lifecycle, safety, retry-context and offline cases before independent review begins."
      },
      {
        "criterion": "Context boundary",
        "severity": "Non-blocking",
        "evidence": "The initial filename-only tree listing exposed forbidden assessment and prior-round filenames. Their contents were not opened or used.",
        "smallestCorrection": "Use an allowlist of permitted paths for the first inventory command.",
        "verifyFix": "The command log contains no read of any forbidden file content."
      },
      {
        "criterion": "Reproducible implementer verification",
        "severity": "Non-blocking",
        "evidence": "Two source reads in the implementer's verify.cjs hard-code [handoff workspace]/work/site, so replaying that script against another served root would still inspect the submitted work path for those source assertions.",
        "smallestCorrection": "Accept a site-root argument and resolve source files from it.",
        "verifyFix": "Replay against the reconstruction with the submitted work path unavailable and confirm all source assertions still run."
      }
    ],
    "evidenceBoundaries": [
      "All source-backed SDK facts came from the frozen public-sdk-contracts.json. Error bodies, response values, delays, retry decisions and page fixtures are synthetic local data.",
      "No production TypeSafe API, authenticated console behavior, permissions, billing, telemetry or provider attestation was tested.",
      "Independent browser checks used axe-core, the Chromium accessibility tree, keyboard interaction, computed focus styles and DOM ARIA inspection. No external screen reader was run.",
      "Visual inspection covered the rendered 1440-pixel guide, 390-pixel guide, 390-pixel Quick start and loading capture. Browser geometry checks covered 390, 768, 1440 and 1920 pixels."
    ],
    "cleanup": {
      "serverPort": 43037,
      "serverStopped": true,
      "browserClosed": true,
      "writersStopped": true,
      "exactProcessScanClear": true
    }
  }
}