Fix placement generator, proctoring, audio & read-aloud gaps - #530
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Placement generator (roadmap 27.x) fixes surfaced while testing the generator engine and live proctoring: - Add missing tests.taking.cloze_instruction / cloze_dropdown_instruction keys (raw i18n tags were showing to students and in teacher review). - Live proctoring: broadcast the first work-in-progress snapshot the moment the channel subscribes instead of waiting a full 5s tick, so the teacher's first signals arrive immediately. - Teacher can now see answers during a generator placement run: a generator test has no authored test.questions, so ResponsesGrid had no columns. The student now broadcasts asked-question prompts, and the monitor renders a GeneratorResponsesPanel (prompt + answer) live and post-submit. - Generator convergence: raise CONVERGE_AFTER_REVERSALS 2 -> 3 for the generator engine only, so a short run no longer settles at exactly minQuestions on an early pair of reversals. Not shared with the staircase engine. - Estimated CEFR level now survives reload/navigation: the data was always persisted (levelPath/askedQuestionSnapshots) but only shown live. PlacementLevelPanel falls back to estimatePlacement() from the submitted attempt, and TestResultsPage shows the estimated level. - Skill balancing in the generator picker: rotate the pick across the configured (or bank-present) skills so a grammar-heavy bank can no longer crowd out reading/listening section bundles. Reading/audio usability: - Read-aloud (browser speech synthesis) for reading passages via the new PassageReadAloud component, wired into section/generator passages. - Pre-flight audio-link check (AudioUrlStatus) in every teacher audio input: probes the URL with a real Audio element and flags mixed content, unplayable/share-page links, or confirms a valid one — so a broken link is caught in the editor, not in front of students. Realtime warning: - Route ephemeral telemetry (heartbeat/snapshot/event) through a wsSend helper that only pushes when the channel is joined, silencing realtime-js's "send() falling back to REST API" deprecation warning in the student console. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Generator placement monitoring
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Suggested reviewers: Merge Risk: 🟠 High · up to Generator retakes and live answer monitoring can malfunction, while read-aloud may continue speaking the previous passage. These issues should be fixed before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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The read-aloud wiring read i18n.language directly, but test mocks of useTranslation (and any consumer that only provides t) leave i18n undefined, throwing "Cannot read properties of undefined (reading 'language')" during render and failing the Type-check/Lint/Test CI job. Fall back to 'en' when the i18n instance isn't available. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The previous change gated every ephemeral broadcast on the channel being joined to silence realtime-js's "send() falling back to REST API" warning, but that dropped discrete proctor events fired before the join completed — notably the once-at-mount seb_status — so the teacher's live monitor never received them. This regressed the Supabase E2E (37-live-monitor: the SEB badge never appeared). Buffer must-arrive broadcasts (proctor events) when the channel isn't joined yet and flush them on subscribe; keep dropping the ephemeral heartbeat/snapshot broadcasts, which re-fire on their own interval. This both restores reliable delivery and avoids the REST-fallback warning. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The i18n fallback edit pushed the PassageReadAloud line past the print width; wrap its props so format:check passes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The nginx/apache CSPs had no media-src directive, so external audio (teacher-linked reading/listening passages from VOA, archive.org, etc.) fell back to default-src 'self' and was blocked — the real cause of the "audio won't play" reports. They also never allow-listed Google Fonts, so the app's fonts (Bricolage/Hanken in index.html, the user-selectable UI font injected at runtime) were blocked and silently fell back to system fonts. Add to every nginx/apache CSP (the Docker Caddyfile sets no CSP): - media-src 'self' https: data: blob: — external audio from any https host (teachers paste arbitrary links), plus data:/blob: for recorded audio playback. - style-src += https://fonts.googleapis.com (also backs style-src-elem). - font-src += https://fonts.gstatic.com. media-src uses a broad https: rather than an enumerated host list because teachers link audio from arbitrary trusted sources; media can't execute script, so this is low-risk. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Extend img-src with https: in every nginx/apache CSP so externally-linked question images (the 'Paste an image URL' field) load, matching the media-src fix for external audio. Images can't execute script, so a broad https: source is low-risk and saves enumerating arbitrary image hosts. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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In `@src/components/Tests/PassageReadAloud.tsx`:
- Line 54: Update the button’s visible text in PassageReadAloud to use the same
state-dependent label as its accessible label, displaying the action that will
occur when clicked (pause or resume) rather than always showing “read aloud.”
- Line 15: Update PassageReadAloud’s useTTS integration to cancel active speech
in an effect cleanup whenever the passage identity (contentHtml or lang)
changes, while preserving normal speech behavior for the current passage.
In `@src/pages/StudentTestPage.tsx`:
- Line 573: Update handleRetake to reset generatorResult along with askedPrompts
and the other attempt state, so the initialization effect can request the first
question for a retaken generator run.
- Line 397: Update the snapshot construction in StudentTestPage so askedPrompts
is included whenever isGenerator is true, including terminal states after
generatorResult.done becomes true; keep the existing answers and non-generator
behavior unchanged.
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📒 Files selected for processing (21)
deploy/apache-hestiacp.confdeploy/apache-virtualmin.confdeploy/nginx-hestiacp.confdeploy/nginx-virtualmin.confdocker/nginx.confdocker/nginx.prod.confsrc/components/Tests/AudioUrlStatus.tsxsrc/components/Tests/PassageReadAloud.tsxsrc/components/Tests/QuestionBankSectionEditor.tsxsrc/components/Tests/QuestionEditor.tsxsrc/hooks/useLiveSessionTelemetry.tssrc/locales/de.jsonsrc/locales/en.jsonsrc/locales/es.jsonsrc/locales/fr.jsonsrc/locales/nl.jsonsrc/pages/LiveMonitorPage.tsxsrc/pages/StudentTestPage.tsxsrc/pages/TestBuilderPage.tsxsrc/pages/TestResultsPage.tsxsupabase/functions/next-placement-question/index.ts
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Fixes 4 review findings on the placement/read-aloud changes: - PassageReadAloud: cancel in-flight speech when the passage identity (contentHtml/lang) changes — the generator reuses the same component instance across passages, so useTTS's unmount-only cancel let stale speech keep reading the previous passage. - PassageReadAloud: the button's visible text now reflects the action it performs (Pause/Resume/Read aloud), matching its accessible label. - StudentTestPage snapshot: broadcast askedPrompts whenever the run is a generator run, not only while a question is pending — the terminal snapshot otherwise dropped all prompts while answers remained, leaving the live monitor unable to pair terminal answers with their text. - StudentTestPage handleRetake: reset generatorResult/loading/error so a generator retake draws a fresh first question instead of keeping the previous terminal/pending run (the init effect bails when generatorResult is set). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Fixes a batch of issues found while testing the generator-engine placement test and live proctoring, plus reading-passage usability gaps.
Placement generator & proctoring
tests.taking.cloze_instruction/cloze_dropdown_instructionkeys (they were showing as raw tags to students and in teacher review).test.questions, soResponsesGridrendered no columns. The student now broadcasts asked-question prompts, and the monitor renders a dedicatedGeneratorResponsesPanel(prompt + answer) both live and after submit. Post-submit answers were already visible on the results page.CONVERGE_AFTER_REVERSALS2 → 3 for the generator engine only (not shared with the staircase engine; the client estimate replay reads the recorded path's final level and ignores this threshold), so a short run no longer settles at exactlyminQuestionson an early pair of reversals.levelPath/askedQuestionSnapshots/placementStartLevel); it just wasn't shown where teachers look.PlacementLevelPanelnow falls back toestimatePlacement()from the submitted attempt, andTestResultsPageshows the estimated level with the provisional badge.next-placement-questionnow rotates the pick across the configured (or bank-present) skills, so a grammar-heavy bank can't crowd out reading/listening section bundles.Reading & audio usability
PassageReadAloudcomponent (browser speech synthesis; play/pause/stop + progress) wired into section and generator placement passages. Self-hides when the browser has no TTS.AudioUrlStatuspre-flight check probes each teacher-entered audio URL with a realAudioelement (the same path the student's<audio>takes) and flags mixed content, unplayable/share-page links (Drive/Dropbox/OneDrive), or confirms a valid one. Added to all three audio inputs (question editor, bank section editor, test-builder sections).Realtime deprecation warning
wsSendhelper that only pushes when the channel is joined, clearing realtime-js'ssend() ... falling back to REST APIwarning in the student console. The deliberatesubmittedhandoff still usessend()(must-deliver + awaited ack).Reviewer notes
supabase functions deploy next-placement-questionfor it to take effect.Testing
npm cirecommended before the fullnpm run checkgate — the worktree's stalenode_modulesshows unrelated tiptap type errors.🤖 Generated with Claude Code