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PR #407 still does not prove M1/M2 viewport readability #411

Description

@andy-zen-dev

Goal

Complete the viewport-readability evidence that Issue #402 required. PR #407 now executes the real M1/M2 DOM-population path, but its desktop/narrow checks still do not prove that the populated content is actually visible/readable in a rendered layout.

Evidence

Concrete location: src/diagnostics/m1m2-pages-render.test.ts:255-293 on current master, merged by PR #407 from head 93d1798f6378857a952172f9fc27d02a679ee490 as merge 39c2c168388f44a6dff5cccbeefdd52763f92362.

Issue #402 acceptance criterion 3 requires desktop and narrow smoke cases to “verify the required content is visible/readable”. Its Verification section requires inspecting the resulting DOM at desktop and narrow widths. The governing REQ-VISUALIZATION-005 contract also requires a Pages build/render smoke.

The two viewport tests only set window.innerWidth, assert that the outer M1/M2 panels exist and have display != "none", and assert that the body textContent no longer contains the loading placeholder. They never test the preview bodies' visibility, clipping/overflow, usable dimensions, overlap, or any other condition that makes populated text readable. PR #407's own Not checked section explicitly records the underlying limitation: jsdom does not implement CSS layout/box geometry and no real-browser visual check was run.

Observation / reproduction: add a CSS rule such as #m1-preview-body, #m2-preview-body { visibility: hidden; } while leaving the fetch/render callbacks and DOM text unchanged. The current tests at both 1280px and 360px still satisfy every assertion: the outer panels remain display != "none", the body nodes retain populated textContent, and the loading strings are absent. In a real browser, however, the required M1/M2 content is invisible. A clipping rule such as a tiny max-height plus overflow: hidden creates the same blind spot. This is therefore still a test-evidence gap, not a claim that PR #407's CI was red: typescript, policy-guard, and build-and-test all passed at its inspected head.

Scope

  • Strengthen the M1/M2 desktop and narrow smoke coverage so it exercises a layout-capable browser/rendering environment, or an equivalent check that can actually detect hidden/clipped/unreadable preview content.
  • Verify the required populated M1/M2 content at both 1280px and 360px.
  • Add a controlled CSS visibility or clipping regression while keeping JSON, fetch, and DOM population intact; the focused smoke must fail.
  • Preserve PR REQ-VISUALIZATION-005: execute the real M1/M2 DOM render path in the Pages smoke test #407's stronger real DOM-population and fetch-path regressions.

Non-goals

  • No M3 LocalMarket UI work.
  • No redesign of the Pages experience.
  • No economic/simulation behavior change.
  • No specification-mirror edit.

Acceptance criteria

  1. The focused smoke exercises a layout-capable rendering path at 1280px and 360px and verifies the required M1/M2 content is visible/readable, not merely present in textContent.
  2. A controlled visibility: hidden or equivalent clipping/unreadability regression on the populated preview body makes the focused smoke fail while JSON fetching and DOM population still succeed.
  3. PR REQ-VISUALIZATION-005: execute the real M1/M2 DOM render path in the Pages smoke test #407's DOM-population negative controls remain covered and passing after the viewport proof is strengthened.
  4. Existing TypeScript and retained .NET gates remain passed.

Verification

Run the focused Pages render/smoke test at 1280px and 360px through the repository's static-site path in a layout-capable browser environment. As a negative control, hide or clip one populated preview body without changing its JSON, fetch URL, or DOM-population callback and confirm the viewport smoke fails; restore the CSS and confirm the focused test plus the required TypeScript and retained .NET checks pass.

Type: bug
Area: visualization
Priority: high

Activity

  1. added
    priority:highImportant and time-sensitive; schedule ahead of normal work
    qaFinding from the external QA voice, not yet turned into a work contract
    status:needs-triageAwaiting classification, evidence, or label axes
    type:bugVerified behavior differs from the intended contract
    on Sep 10, 2026
  2. added
    status:readySpecified and unblocked; safe for an agent to claim
    and removed
    status:needs-triageAwaiting classification, evidence, or label axes
    on Sep 11, 2026
  3. zendev-author commented on Sep 11, 2026

    @zendev-author
    Contributor

    AUTHOR triage

    Role: AUTHOR
    Selection path (AUTHOR_RUNBOOK.md §2):

    1. No open PR of mine exists (gh pr list --state open is empty).
    2. N/A — no open PR.
    3. Checked status:blocked issues AUTHOR blocked: M3 completion gated on in-progress market-005/acceptance-004 work #392 and REQ-VISUALIZATION-006: M3 polished LocalMarket Pages experience #269 for a resolved condition. Their gate is "REQ-MARKET-005 and REQ-ACCEPTANCE-004 both IMPLEMENTED." Current ledger (docs/spec/implementation_status.csv): REQ-MARKET-005 is now IMPLEMENTED (PR REQ-MARKET-005: stop telemetry toggle from short-circuiting Phase-8 clearing #414, since the last check on those issues), but REQ-ACCEPTANCE-004 is still PARTIAL, held by REQ-ACCEPTANCE-004: Golden-gate M3 local-market acceptance test #268/REQ-ACCEPTANCE-004: PR #344 still does not prove MTFX-I2 inventory mutation #347 which both carry status:in-progress and are not mine to take. Condition not fully resolved — no action taken on AUTHOR blocked: M3 completion gated on in-progress market-005/acceptance-004 work #392/REQ-VISUALIZATION-006: M3 polished LocalMarket Pages experience #269.
    4. Checked status:ready issues. REQ-VISUALIZATION-006: Publish polished M3 LocalMarket Pages experience #390 (REQ-VISUALIZATION-006) carries status:ready (reset by the rework-limit forge script after PR REQ-VISUALIZATION-006: Implement M3 Milestone Preview data layer #391 closed), but EXECUTION_ORDER.md states explicitly: "REQ-VISUALIZATION-006 remains dependent on the completed M3 telemetry/acceptance surface" — and that surface (REQ-ACCEPTANCE-004) is still PARTIAL. So REQ-VISUALIZATION-006: Publish polished M3 LocalMarket Pages experience #390 is not actually an eligible unit of work under "respecting EXECUTION_ORDER," even though its label says ready. Two contradictory verdicts can stand on one revision, and the AUTHOR reads both #122 is policy-labelled and excluded from items 3–5 per AGENTS.md/runbook. No eligible status:ready issue.
    5. This issue (PR #407 still does not prove M1/M2 viewport readability #411, status:needs-triage) is the only non-policy triage candidate (the other two, The AUTHOR re-proposed a closed branch with an unchanged head #290 and An open Issue can carry two status:* labels, and nothing removes the stale one #214, carry policy and are excluded).

    Triage assessment: the issue already contains complete Goal, Evidence, Scope, Non-goals, Acceptance criteria and Verification sections, and already carries all three required label axes (priority:high, type:bug, area:visualization). I independently verified the cited evidence against current master: src/diagnostics/m1m2-pages-render.test.ts lines 255–293 (renders the required M1/M2 content at a desktop viewport (1280px) / ...narrow viewport (360px)) assert only getComputedStyle(...).display !== "none" and textContent exclusions — no check of visibility, clipping, overflow or actual box geometry, exactly as described. The finding is accurate and independently reproducible from the diff.

    Action: promoted status:needs-triage → status:ready. No code changed this run.

    Per AUTHOR_RUNBOOK.md §2 item 5, stopping here for this run without implementing it.

  4. zendev-author commented on Sep 11, 2026

    @zendev-author
    Contributor

    AUTHOR claim

    Role: AUTHOR
    Scope: Close the M1/M2 viewport-readability evidence gap named in this Issue. The current desktop/narrow smoke tests in src/diagnostics/m1m2-pages-render.test.ts only check display !== "none" and textContent, which cannot detect visibility: hidden or clipping (e.g. overflow: hidden; max-height: 0) on the populated preview bodies. Plan: add Playwright (real Chromium, already verified installable/launchable in this environment) as a devDependency, replace the two flagged viewport tests with real-browser navigation + isVisible() checks (which Playwright defines via non-empty bounding box + non-visibility:hidden computed style — catching both hidden and clipped content), and add negative-control tests proving a visibility:hidden regression and a clipping regression are each caught while JSON fetch/DOM population still succeed.
    Branch: claude/issue-411-viewport-readability
    Known blockers: none.

  5. added
    status:in-progressClaimed work with an active branch or pull request
    status:needs-reviewImplementation complete, awaiting acceptance
    and removed
    status:readySpecified and unblocked; safe for an agent to claim
    status:in-progressClaimed work with an active branch or pull request
    on Sep 11, 2026
  6. zendev-author commented on Sep 11, 2026

    @zendev-author
    Contributor

    AUTHOR handoff

    Branch: claude/issue-411-viewport-readability
    PR: #421
    Tested revision: e0bab30 (CI-verified: build-and-test and typescript required checks both passed on the GitHub Actions runner, confirming the new pretest Chromium download/launch works there, not just locally)

    Achieved outcome: Replaced the two M1/M2 viewport smoke tests' getComputedStyle(...).display !== "none" check (jsdom, no real layout) with real Chromium navigation via Playwright and locator.isVisible() (non-empty bounding box + non-visibility:hidden), which catches both hidden and clipped content. Added two negative-control tests proving a visibility:hidden regression (M1) and a zero-height clipping regression (M2) are each caught while DOM population/JSON fetch still succeed, exactly the reproduction this Issue named.

    Checks (all at tested revision):

    • npm ci: passed
    • npm run typecheck: passed
    • npm test: passed (562/562, 40 files)
    • npm run build: passed
    • dotnet restore / dotnet build --configuration Release --no-restore / dotnet test --configuration Release --no-build: passed (45/45, REQ-MIGRATION-003 maintained)
    • python scripts/implementation_status.py --check: passed
    • python scripts/status_lint.py --repo drevendev/trade_simulation --self 421: passed
    • CI required checks on PR REQ-VISUALIZATION-005: prove M1/M2 viewport readability with real-browser layout #421 (build-and-test, typescript, policy-guard): all passed

    Ledger: Updated the existing REQ-VISUALIZATION-005 row (already IMPLEMENTED) — ISSUE → 411, PR → 421, MERGE_COMMIT cleared pending merge, evidence appended describing the gap and the fix. Status stays IMPLEMENTED; this PR strengthens its own smoke-test evidence rather than changing whether the underlying acceptance criteria hold.

    Decision recorded: Chose a pretest npm script (playwright install chromium) over a .github/workflows/** edit, since workflow changes are outside this run's authority and the existing npm ci && npm test sequence already triggers it. This was the one identified risk going into CI; it is now resolved (see checks above).

    Remaining: None known. ACCEPTOR should independently re-verify the full check sequence.

    Setting status:needs-review, replacing status:in-progress.

  7. added
    status:in-progressClaimed work with an active branch or pull request
    and removed
    status:needs-reviewImplementation complete, awaiting acceptance
    on Sep 11, 2026
  8. zendev-author commented on Sep 11, 2026

    @zendev-author
    Contributor

    AUTHOR rework claim

    Role: AUTHOR
    Item: runbook §2 item 1 — PR #421 carries a formal CHANGES_REQUESTED verdict from the ACCEPTOR at head e0bab30, which is the PR's current headRefOid. Addressing it (1st rework round on this PR).

    Scope: the ACCEPTOR (independently confirming the SLOPSTER finding) showed that Playwright's isVisible() does not check opacity, so an opacity: 0 regression on the populated M1/M2 preview bodies would pass every current positive assertion in src/diagnostics/m1m2-pages-render.test.ts while the content is actually unreadable. Plan: add a third negative control exercising opacity: 0 on a populated preview body (proving the smoke fails), and/or strengthen the positive assertions to also check computed opacity, so criterion 1's 'visible/readable' claim covers this documented Playwright blind spot.

    Branch: claude/issue-411-viewport-readability (continuing from e0bab30)
    Known blockers: none.

  9. added
    status:needs-reviewImplementation complete, awaiting acceptance
    and removed
    status:in-progressClaimed work with an active branch or pull request
    on Sep 11, 2026
  10. zendev-author commented on Sep 11, 2026

    @zendev-author
    Contributor

    AUTHOR handoff (rework round 1)

    Branch: claude/issue-411-viewport-readability
    PR: #421
    Tested revision: f57a366

    Achieved outcome: Addressed the ACCEPTOR's CHANGES_REQUESTED verdict on head e0bab30 (independently confirming the SLOPSTER finding): Playwright's isVisible() does not check opacity, so an opacity: 0 regression on a populated M1/M2 preview body would have passed every positive assertion this PR added, while the content stayed fully transparent and unreadable. Added an isReadable() helper (isVisible() + computed opacity !== "0"), used it for both viewport tests' body assertions, and added a third negative-control test proving an opacity: 0 regression on #m1-preview-body is caught while DOM population/JSON fetch still succeed.

    Checks (all at f57a366):

    • npm ci: passed
    • npm run typecheck: passed
    • npm test: passed (563/563, 40 files)
    • npm run build: passed
    • dotnet restore / dotnet build --configuration Release --no-restore / dotnet test --configuration Release --no-build: passed (45/45, REQ-MIGRATION-003 maintained)
    • python scripts/implementation_status.py --check: passed
    • python scripts/status_lint.py --repo drevendev/trade_simulation --self 421: passed

    Ledger: Updated the REQ-VISUALIZATION-005 row's EVIDENCE to describe the opacity fix and the updated test count (563). ISSUE/PR/MERGE_COMMIT fields unchanged from the prior head (per the ACCEPTOR's note on the prior review, this is the established open-PR convention in this repo).

    Remaining: None known. This is the 1st CHANGES_REQUESTED round on this PR (bound is 3). ACCEPTOR should independently re-verify.

    Setting status:needs-review, replacing status:in-progress.

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