frontend-patterns/research/evolution/ledger.json

{
  "schema_version": 1,
  "coverage": "Ten selected retrospective outcomes (not a historical census), followed by prospectively registered bounded cycles. Retrospective effort remains unknown.",
  "events": [
    {
      "id": "LEARN-0001",
      "date": "2026-09-25",
      "recording": "retrospective",
      "stream": "D",
      "comparison_group": null,
      "question": "What do pinned recovery implementations establish?",
      "previous_belief": "Documentary motivation did not locate draft/outcome mechanisms in frontend code.",
      "conclusion": "Zulip and Element locate partial draft/outcome mechanisms; complete pattern recurrence is still unknown.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0005",
        "CAND-0007"
      ],
      "evidence": [
        "research/reviews/FrontendRecoveryImplementations.md"
      ],
      "remaining_uncertainty": [
        "Deployed full lifecycle remains unverified."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0002",
      "date": "2026-09-25",
      "recording": "retrospective",
      "stream": "D",
      "comparison_group": null,
      "question": "Does cancellation or a transport error settle mutation outcome?",
      "previous_belief": "Recovery identity and authoritative echo required executable checks.",
      "conclusion": "Synthetic transport with the real Matrix SDK distinguishes replay identity, duplicate commits and authoritative echo.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0007"
      ],
      "evidence": [
        "research/reviews/MatrixRecoveryExperiment.md"
      ],
      "remaining_uncertainty": [
        "No real server deduplication guarantee."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0003",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "cross-stream",
      "comparison_group": null,
      "question": "Does naming patterns improve the frozen pilot decisions?",
      "previous_belief": "Initial editorial scores were 21/24 named and 19/24 prose.",
      "conclusion": "Submitted model review adjudication yields 18/24 in each condition; this does not establish equivalence or a presentation benefit.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0005",
        "CAND-0007",
        "CAND-0001",
        "CAND-0002"
      ],
      "evidence": [
        "research/evaluations/language-pilot-01/submitted-review-01/adjudication.md"
      ],
      "remaining_uncertainty": [
        "Independent human validation pending.",
        "Historical effort unknown; this entry does not allocate whole-pilot telemetry."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0004",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "D",
      "comparison_group": null,
      "question": "Which recovery recommendations overstate their guarantees?",
      "previous_belief": "Shared guidance left retention/export policy, cancellation and local backup boundaries insufficiently explicit.",
      "conclusion": "Guidance now separates authorization, remote compensation, atomic supersession and off-device backup.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0001",
        "CAND-0002",
        "CAND-0003",
        "CAND-0005",
        "CAND-0007"
      ],
      "evidence": [
        "research/reviews/SharedGuidanceRevision.md"
      ],
      "remaining_uncertainty": [
        "Editorial correction is not new production evidence."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0005",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "B",
      "comparison_group": null,
      "question": "What does URL/history and enhancement documentation actually promise?",
      "previous_belief": "Navigation and rendering seeds lacked explicit dereferenceability and fallback distinctions.",
      "conclusion": "Developed two hypotheses separating address-bar updates from direct loads, and HTML delivery from usable no-script actions.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0009",
        "CAND-0010"
      ],
      "evidence": [
        "research/reviews/NavigationRenderingEvidence.md"
      ],
      "remaining_uncertainty": [
        "Navigation/history/cache runtime checks remain pending."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0006",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "F",
      "comparison_group": null,
      "question": "Why can immediate nested dismissal close the outer task?",
      "previous_belief": "The first fixture exposed a timing failure with unresolved ownership.",
      "conclusion": "Trace locates stale Escape listener ownership despite inner registration/focus; a guard can lose input.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0016",
        "CAND-0015"
      ],
      "evidence": [
        "research/reviews/BoundaryRecoveryExperiment.md",
        "research/reviews/NestedDismissalIsolation.md"
      ],
      "remaining_uncertainty": [
        "Readiness waits are not a public product repair."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0007",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "F",
      "comparison_group": null,
      "question": "Can event-time ownership route dismissal without a settling delay?",
      "previous_belief": "Isolation supplied a mechanism but no lifecycle-safe candidate routing experiment.",
      "conclusion": "Controlled fixture routed 24/24 versus raw 20/24; initial measurement error and corrected results retained.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0016"
      ],
      "evidence": [
        "research/reviews/NestedOwnershipRouting.md"
      ],
      "remaining_uncertainty": [
        "Animated exit and competing-owner coverage remain open."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0008",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "E",
      "comparison_group": null,
      "question": "Are feature organization and independent activation the same boundary?",
      "previous_belief": "The feature-slice hypothesis needed a source-layout/release contrast.",
      "conclusion": "Pinned examples distinguish organizational slicing from activation contracts; added Independent Feature Boundary.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0013",
        "CAND-0017"
      ],
      "evidence": [
        "research/reviews/FeatureDeploymentBoundaries.md"
      ],
      "remaining_uncertainty": [
        "Shared startup dependencies still couple nominally separate features."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0009",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "E",
      "comparison_group": null,
      "question": "Does publication or rollback update every session?",
      "previous_belief": "Static source review could not establish loaded/lazy-session behavior.",
      "conclusion": "Native-module experiment distinguishes publication, activation and already-bound sessions; artifact retirement breaks old lazy sessions.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0017"
      ],
      "evidence": [
        "research/reviews/FeatureReleaseExperiment.md"
      ],
      "remaining_uncertainty": [
        "No CDN or upstream deployment validation."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0010",
      "date": "2026-09-26",
      "recording": "retrospective",
      "stream": "E",
      "comparison_group": null,
      "question": "How do stale activation writers and unfinished drafts constrain updates?",
      "previous_belief": "Release experiment left activation conflicts and reload policy unexecuted.",
      "conclusion": "Conditional replacement rejects stale writers; explicit reload policies preserve or refuse transition, with schema recheck after navigation.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0017",
        "CAND-0005",
        "CAND-0006"
      ],
      "evidence": [
        "research/reviews/ActivationConflictsAndReload.md"
      ],
      "remaining_uncertainty": [
        "One-process atomicity; no native unload, crash or real remote-outcome coverage."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": null,
        "execution_minutes": null,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0011",
      "date": "2026-09-27",
      "recording": "prospective",
      "stream": "B",
      "comparison_group": "B-navigation-mechanism-v1",
      "protocol_ref": "research/evolution/cycles/2026-09-27-navigation.md",
      "question": "Can a public route preserve selection and complete-document availability across native/enhanced entry, history and HTTP caching?",
      "previous_belief": "Native href/GET contracts plus representation-aware routing and cache selection should satisfy this narrow obligation; documentary support lacked runtime checks.",
      "conclusion": "Corroborated in pinned htmx fixture: native and history paths work; missing Vary reproduces fragment-as-document reuse in both browsers. Existing obligations stand; no new pattern or promotion.",
      "disposition": "corroboration",
      "affected_patterns": [
        "CAND-0009",
        "CAND-0010"
      ],
      "evidence": [
        "research/reviews/NavigationHistoryExperiment.md",
        "research/experiments/navigation-history/result.json",
        "research/evolution/cycles/2026-09-27-navigation-effort.json"
      ],
      "remaining_uncertainty": [
        "One authored application, no independent recurrence or usefulness gain.",
        "Accessibility, delayed scripts, interrupted transport, real intermediaries and offline availability remain open."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": 6.177,
        "execution_minutes": 1.021,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0012",
      "date": "2026-09-27",
      "recording": "prospective",
      "stream": "F",
      "comparison_group": "F-navigation-focus-v1",
      "protocol_ref": "research/evolution/cycles/2026-09-27-navigation-focus.md",
      "question": "Does enhanced route replacement need explicit continuation and feedback policy that respects changed focus ownership?",
      "previous_belief": "Native controls alone do not establish enhanced focus/feedback semantics; delayed responses should respect focus moved to another surviving task. Modal return is not automatically route continuation.",
      "conclusion": "Corroborated in 22 cases: raw same-ID link focus survives but this fragment contract leaves stale title and silent failure; authored heading/status policy works and preserves newer search focus. No AT speech or universal heading policy established.",
      "disposition": "corroboration",
      "affected_patterns": [
        "CAND-0010",
        "CAND-0016"
      ],
      "evidence": [
        "research/reviews/NavigationFocusExperiment.md",
        "research/experiments/navigation-history/focus-result.json",
        "research/evolution/cycles/2026-09-27-navigation-focus-effort.json"
      ],
      "remaining_uncertainty": [
        "Author-model DOM evidence, no human/AT validation or independent recurrence.",
        "Delayed history focus, competing requests, delayed scripts and interrupted enhancement remain open."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": 5.138,
        "execution_minutes": 0.525,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    },
    {
      "id": "LEARN-0013",
      "date": "2026-09-27",
      "recording": "prospective",
      "stream": "F",
      "comparison_group": "F-navigation-ownership-v1",
      "protocol_ref": "research/evolution/cycles/2026-09-27-navigation-ownership.md",
      "question": "Can obsolete history/navigation completions affect newer intent, and does separating completion ownership from focus ownership prevent it?",
      "previous_belief": "The single-response continuation policy preserved newer search focus but left competing history/success/error completions unresolved; focus-at-swap alone might not be sufficient.",
      "conclusion": "Revise operational guidance: validate navigation ownership before content/URL/title/feedback effects, including stale errors and newer failure, independently of focus permission. Prior policy misses obligations in 12/12 adversarial rows; authored guard meets 12/12. Pause fixture work for independent source contrast.",
      "disposition": "revision",
      "affected_patterns": [
        "CAND-0009",
        "CAND-0010",
        "CAND-0016"
      ],
      "evidence": [
        "research/reviews/NavigationOwnershipExperiment.md",
        "research/reviews/NavigationThreadReview.md",
        "research/experiments/navigation-history/ownership-result.json",
        "research/evolution/cycles/2026-09-27-navigation-ownership-effort.json"
      ],
      "remaining_uncertainty": [
        "One authored htmx family and author-model review, not production recurrence or AT validation.",
        "History adapter is pinned implementation-dependent; pending-state, multiple-miss and lifecycle limits remain open.",
        "Three distinct protocols are not a comparable diminishing-returns window."
      ],
      "reviewer": {
        "name": "Codex",
        "role": "author-model",
        "independent_human": false
      },
      "effort": {
        "research_minutes": 13.918,
        "execution_minutes": 1.238,
        "reported_tokens": null,
        "cost_usd": null
      },
      "supersedes": []
    }
  ]
}