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1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 | 'use client' import { useRouter, useSearchParams } from 'next/navigation' import { useCallback, useEffect, useMemo, useRef, useState } from 'react' import { useToast } from '@/components/common/ToastContext' import { useMyAbacus } from '@/contexts/MyAbacusContext' import { PageWithNav } from '@/components/PageWithNav' import { ActiveSession, type AttemptTimingData, type BroadcastState, type GameBreakHudData, PracticeErrorBoundary, PracticeSubNav, type SessionHudData, } from '@/components/practice' import { GameBreakScreen } from '@/components/practice/GameBreakScreen' import { GameBreakResultsScreen } from '@/components/practice/GameBreakResultsScreen' import type { GameResultsReport } from '@/lib/arcade/game-sdk/types' import type { Player } from '@/db/schema/players' import type { GameBreakSettings, SessionHealth, SessionPart, SessionPlan, SessionRetryState, SlotResult, } from '@/db/schema/session-plans' import { getSlotRetryStatus } from '@/db/schema/session-plan-helpers' /** * State for redoing a previously completed problem * Allows students to tap any completed problem dot to practice it again */ export interface RedoState { /** Whether redo mode is currently active */ isActive: boolean /** Linear index of the problem being redone (flat across all parts) */ linearIndex: number /** Part index containing the redo problem */ originalPartIndex: number /** Slot index within the part */ originalSlotIndex: number /** The original result (to check if it was correct) */ originalResult: SlotResult /** Part index to return to after redo */ returnToPartIndex: number /** Slot index to return to after redo */ returnToSlotIndex: number } import { type BreakContext, type ReceivedAbacusControl, type TeacherPauseRequest, useSessionBroadcast, } from '@/hooks/useSessionBroadcast' import { useAcknowledgeGameBreakResults, useCompletePartTransition, useFinishGameBreak, useStartGameBreak, sessionPlanKeys, useActiveSessionPlan, useEndSessionEarly, useRecordRedoResult, useRecordSlotResult, } from '@/hooks/useSessionPlan' import { useQuery, useQueryClient } from '@tanstack/react-query' import { useSaveGameResult } from '@/hooks/useGameResults' import { useSessionMode } from '@/hooks/useSessionMode' import { useSessionSongTrigger } from '@/hooks/useSessionSongTrigger' import { BroadcastDebugPanel } from '@/components/debug/BroadcastDebugPanel' import { css } from '../../../../styled-system/css' interface PracticeClientProps { studentId: string player: Player initialSession: SessionPlan /** Whether session song generation is available (feature flag + family tier) */ songEnabled?: boolean } /** * Practice Client Component * * This component ONLY shows the current problem. * It assumes the session is in_progress (server guards ensure this). * * When the session completes, it redirects to /summary. */ export function PracticeClient({ studentId, player, initialSession, songEnabled = false, }: PracticeClientProps) { const router = useRouter() const searchParams = useSearchParams() const { showError } = useToast() const { setVisionFrameCallback } = useMyAbacus() const queryClient = useQueryClient() // Track pause state for HUD display (ActiveSession owns the modal and actual pause logic) const [isPaused, setIsPaused] = useState(false) // Track timing data from ActiveSession for the sub-nav HUD const [timingData, setTimingData] = useState<AttemptTimingData | null>(null) // Track broadcast state for session observation (digit-by-digit updates from ActiveSession) const [broadcastState, setBroadcastState] = useState<BroadcastState | null>(null) // Browse mode state - lifted here so PracticeSubNav can trigger it const [isBrowseMode, setIsBrowseMode] = useState(false) // Browse index - lifted for navigation from SessionProgressIndicator const [browseIndex, setBrowseIndex] = useState(0) // Teacher abacus control - receives commands from observing teacher const [teacherControl, setTeacherControl] = useState<ReceivedAbacusControl | null>(null) // Teacher-initiated pause/resume requests from observing teacher const [teacherPauseRequest, setTeacherPauseRequest] = useState<TeacherPauseRequest | null>(null) const [teacherResumeRequest, setTeacherResumeRequest] = useState(false) // Manual pause request from HUD const [manualPauseRequest, setManualPauseRequest] = useState(false) // Local fallback start time for game break HUD while persisted state catches up const [gameBreakStartTime, setGameBreakStartTime] = useState<number>(Date.now()) // Game break results - captured when game completes to show on interstitial screen const [gameBreakResults, setGameBreakResults] = useState<GameResultsReport | null>(null) // Track previous part index to detect part transitions const previousPartIndexRef = useRef<number>(initialSession.currentPartIndex) // Ref to store stopVisionRecording - populated later when useSessionBroadcast is called // This allows early-defined callbacks to access the function const stopRecordingRef = useRef<(() => void) | undefined>(undefined) // Ref to store sendProblemMarker for timeline sync const sendProblemMarkerRef = useRef< | (( problemNumber: number, partIndex: number, eventType: 'problem-shown' | 'answer-submitted' | 'feedback-shown', isCorrect?: boolean, retryContext?: { epochNumber: number attemptNumber: number isRetry: boolean isManualRedo: boolean }, slotId?: string, problem?: { terms: number[]; answer: number } ) => void) | undefined >(undefined) // Redo state - allows students to re-attempt any completed problem const [redoState, setRedoState] = useState<RedoState | null>(null) // Break context for observer broadcast — updated by GameBreakScreen callbacks const [breakContext, setBreakContext] = useState<BreakContext | null>(null) const gameBreakTraceEnabled = searchParams.get('debugGameBreakTrace') === '1' // Session plan mutations const recordResult = useRecordSlotResult() const recordRedo = useRecordRedoResult() const endEarly = useEndSessionEarly() const completePartTransition = useCompletePartTransition() const startGameBreak = useStartGameBreak() const finishGameBreak = useFinishGameBreak() const acknowledgeGameBreakResults = useAcknowledgeGameBreakResults() // Game results mutation - saves to scoreboard when game break completes const saveGameResult = useSaveGameResult() // Fetch active session plan from cache or API with server data as initial const { data: fetchedPlan } = useActiveSessionPlan(studentId, initialSession) // Current plan should come from the active-session query cache. // Each mutation writes back to this cache on success. // Do not prioritize mutation-local `data`, which can become stale and mask newer flow updates. const currentPlan = fetchedPlan ?? initialSession // Fetch historical results from prior completed sessions for threshold calculation. // This enables complexity-scaled auto-pause thresholds from session start. const { data: historicalResults } = useQuery({ queryKey: ['problem-history', studentId], queryFn: async () => { const res = await fetch(`/api/curriculum/${studentId}/problem-history`) if (!res.ok) return [] const data = await res.json() return (data.history ?? []) as SlotResult[] }, staleTime: 5 * 60 * 1000, // 5 minutes — historical data doesn't change during a session }) const logGameBreakTrace = useCallback( (event: string, details: Record<string, unknown> = {}) => { if (!gameBreakTraceEnabled) return console.log('[GBTRACE][client]', event, { ts: new Date().toISOString(), studentId, planId: currentPlan.id, ...details, }) }, [gameBreakTraceEnabled, studentId, currentPlan.id] ) // Game break settings from the session plan const gameBreakSettings = currentPlan.gameBreakSettings as GameBreakSettings | null const flowState = currentPlan.flowState ?? 'practicing' const showGameBreak = flowState === 'break_pending' || flowState === 'break_active' const showGameBreakResults = flowState === 'break_results' useEffect(() => { if (showGameBreak && currentPlan.breakStartedAt) { setGameBreakStartTime(new Date(currentPlan.breakStartedAt).getTime()) } }, [showGameBreak, currentPlan.breakStartedAt]) useEffect(() => { if (!showGameBreakResults) return const persistedResults = currentPlan.breakResults ?? null if (persistedResults && !gameBreakResults) { setGameBreakResults(persistedResults) return } if (gameBreakResults || persistedResults) return acknowledgeGameBreakResults.mutate({ playerId: studentId, planId: currentPlan.id, expectedFlowVersion: currentPlan.flowVersion, }) }, [ showGameBreakResults, gameBreakResults, currentPlan.breakResults, currentPlan.flowVersion, acknowledgeGameBreakResults, studentId, currentPlan.id, ]) // Build game config with skipSetupPhase merged into each game's config // This allows games to start immediately without showing their setup screen const gameBreakGameConfig = useMemo(() => { const baseConfig = gameBreakSettings?.gameConfig ?? {} const skipSetup = gameBreakSettings?.skipSetupPhase ?? true // Default to true for practice breaks if (!skipSetup) { return baseConfig } // Merge skipSetupPhase + practice-break metadata into each game's config const practiceBreakMeta = { skipSetupPhase: true, maxDurationMinutes: gameBreakSettings?.maxDurationMinutes ?? 5, playerName: player.name, } const mergedConfig: Record<string, Record<string, unknown>> = {} for (const [gameName, config] of Object.entries(baseConfig)) { mergedConfig[gameName] = { ...config, ...practiceBreakMeta } } // Also add metadata for the selected game if not already in config const selectedGame = gameBreakSettings?.selectedGame if (selectedGame && selectedGame !== 'random' && !mergedConfig[selectedGame]) { mergedConfig[selectedGame] = { ...practiceBreakMeta } } return mergedConfig }, [ gameBreakSettings?.gameConfig, gameBreakSettings?.skipSetupPhase, gameBreakSettings?.selectedGame, gameBreakSettings?.maxDurationMinutes, player.name, ]) // Compute HUD data from current plan const currentPart = currentPlan.parts[currentPlan.currentPartIndex] as SessionPart | undefined const sessionHealth = currentPlan.sessionHealth as SessionHealth | null // Calculate totals const { totalProblems, completedProblems } = useMemo(() => { const total = currentPlan.parts.reduce((sum, part) => sum + part.slots.length, 0) let completed = 0 for (let i = 0; i < currentPlan.currentPartIndex; i++) { completed += currentPlan.parts[i].slots.length } completed += currentPlan.currentSlotIndex return { totalProblems: total, completedProblems: completed } }, [currentPlan.parts, currentPlan.currentPartIndex, currentPlan.currentSlotIndex]) // Helper to compute retry context for video recording const getRetryContext = useCallback( (partIndex: number, slotIndex: number) => { // Check if we're in a manual redo const isManualRedo = redoState?.isActive && redoState?.originalSlotIndex === slotIndex // Get epoch from retry state const retryState = currentPlan.retryState as SessionRetryState | null const epochNumber = retryState?.[partIndex]?.currentEpoch ?? 0 // Count attempts for this slot to determine attemptNumber const { attemptCount } = getSlotRetryStatus(currentPlan, partIndex, slotIndex) // attemptNumber is the next attempt (current attempt count + 1) const attemptNumber = attemptCount + 1 return { epochNumber, attemptNumber, isRetry: epochNumber > 0, isManualRedo: isManualRedo ?? false, } }, [currentPlan, redoState] ) // Pause handler - triggers manual pause in ActiveSession const handlePause = useCallback(() => { setManualPauseRequest(true) }, []) const handleResume = useCallback(() => { setIsPaused(false) }, []) // Mutation queue: each server mutation chains off the previous one so they // execute in order. The UI can advance optimistically while mutations queue. const pendingMutationRef = useRef<Promise<void>>(Promise.resolve()) // Handle recording an answer const handleAnswer = useCallback( (result: Omit<SlotResult, 'timestamp' | 'partNumber'>): Promise<void> => { // Synchronous work: problem markers + trace logging happen immediately const currentProblemNumber = currentPlan.currentSlotIndex + 1 const retryContext = getRetryContext( currentPlan.currentPartIndex, currentPlan.currentSlotIndex ) sendProblemMarkerRef.current?.( currentProblemNumber, currentPlan.currentPartIndex, 'answer-submitted', result.isCorrect, retryContext ) logGameBreakTrace('answer-submit-start', { currentProblemNumber, currentPartIndex: currentPlan.currentPartIndex, currentSlotIndex: currentPlan.currentSlotIndex, isCorrect: result.isCorrect, }) // Capture values that the mutation closure needs const capturedPreviousPartIndex = previousPartIndexRef.current // Chain this mutation onto the queue so mutations execute in order const mutationPromise = pendingMutationRef.current.then(async () => { try { const updatedPlan = await recordResult.mutateAsync({ playerId: studentId, planId: currentPlan.id, result, }) logGameBreakTrace('answer-submit-resolved', { previousPartIndex: capturedPreviousPartIndex, updatedPartIndex: updatedPlan.currentPartIndex, updatedSlotIndex: updatedPlan.currentSlotIndex, updatedStatus: updatedPlan.status, completedAt: updatedPlan.completedAt ? String(updatedPlan.completedAt) : null, }) // Update previous part index tracking previousPartIndexRef.current = updatedPlan.currentPartIndex // If session just completed, redirect to summary with completed flag if (updatedPlan.completedAt) { stopRecordingRef.current?.() router.push(`/practice/${studentId}/summary?completed=1`, { scroll: false, }) return } // Check for part transition for trace visibility const partTransitioned = updatedPlan.currentPartIndex > capturedPreviousPartIndex const hasMoreParts = updatedPlan.currentPartIndex < updatedPlan.parts.length const gameBreakEnabled = (updatedPlan.gameBreakSettings as GameBreakSettings | null)?.enabled ?? false if (partTransitioned && hasMoreParts && gameBreakEnabled) { logGameBreakTrace('queue-break-after-part-transition', { previousPartIndex: capturedPreviousPartIndex, updatedPartIndex: updatedPlan.currentPartIndex, hasMoreParts, gameBreakEnabled, }) } else { logGameBreakTrace('no-break-queue-after-answer', { partTransitioned, hasMoreParts, gameBreakEnabled, }) } } catch (err) { const message = err instanceof Error ? err.message : 'Unknown error' if (message.includes('Not authorized')) { showError( 'Not authorized', 'Only parents or teachers with the student present in their classroom can record answers.' ) } else { showError('Failed to record answer', message) } } }) pendingMutationRef.current = mutationPromise return mutationPromise }, [ studentId, currentPlan.id, currentPlan.currentPartIndex, currentPlan.currentSlotIndex, recordResult, router, showError, logGameBreakTrace, getRetryContext, ] ) // Handle ending session early const handleEndEarly = useCallback( async (reason?: string) => { try { await endEarly.mutateAsync({ playerId: studentId, planId: currentPlan.id, reason, }) // Stop vision recording if it was started stopRecordingRef.current?.() // Redirect to summary after ending early with completed flag router.push(`/practice/${studentId}/summary?completed=1`, { scroll: false, }) } catch (err) { // Check if it's an authorization error const message = err instanceof Error ? err.message : 'Unknown error' if (message.includes('Not authorized')) { showError( 'Not authorized', 'Only parents or teachers with the student present in their classroom can end sessions.' ) } else { showError('Failed to end session', message) } } }, [studentId, currentPlan.id, endEarly, router, showError] ) // Handle session completion (called by ActiveSession when all problems done) const handleSessionComplete = useCallback(() => { // Stop vision recording if it was started stopRecordingRef.current?.() // Redirect to summary with completed flag router.push(`/practice/${studentId}/summary?completed=1`, { scroll: false, }) }, [studentId, router]) // Handle redoing a previously completed problem // Called when student taps a completed problem dot in the progress indicator const handleRedoProblem = useCallback( (linearIndex: number, originalResult: SlotResult) => { // Find the part and slot for this linear index let partIndex = 0 let remaining = linearIndex for (let i = 0; i < currentPlan.parts.length; i++) { const partSlotCount = currentPlan.parts[i].slots.length if (remaining < partSlotCount) { partIndex = i break } remaining -= partSlotCount } const slotIndex = remaining // Exit browse mode if active if (isBrowseMode) { setIsBrowseMode(false) } // Set redo state setRedoState({ isActive: true, linearIndex, originalPartIndex: partIndex, originalSlotIndex: slotIndex, originalResult, returnToPartIndex: currentPlan.currentPartIndex, returnToSlotIndex: currentPlan.currentSlotIndex, }) }, [currentPlan.parts, currentPlan.currentPartIndex, currentPlan.currentSlotIndex, isBrowseMode] ) // Handle canceling a redo - exit without recording const handleCancelRedo = useCallback(() => { setRedoState(null) }, []) // Handle redo result recording - wraps recordRedo to send answer-submitted marker const handleRecordRedo = useCallback( async (params: { playerId: string planId: string result: Omit<SlotResult, 'timestamp' | 'partNumber'> redoContext: { originalPartIndex: number originalSlotIndex: number originalWasCorrect: boolean } }): Promise<SessionPlan> => { // Send the answer-submitted marker for the redo const { redoContext, result } = params const retryContext = getRetryContext( redoContext.originalPartIndex, redoContext.originalSlotIndex ) const currentProblemNumber = redoContext.originalSlotIndex + 1 sendProblemMarkerRef.current?.( currentProblemNumber, redoContext.originalPartIndex, 'answer-submitted', result.isCorrect, retryContext ) // Now call the actual mutation return recordRedo.mutateAsync(params) }, [getRetryContext, recordRedo] ) // Handle game break end - show results screen if game finished normally const handleGameBreakEnd = useCallback( (reason: 'timeout' | 'gameFinished' | 'skipped', results?: GameResultsReport) => { // If game finished normally with results, save to scoreboard and show interstitial if (reason === 'gameFinished' && results) { // Save result to database for scoreboard const savePayload = { playerId: player.id, sessionType: 'practice-break' as const, sessionId: currentPlan.id, report: results, } console.info('[handleGameBreakEnd] Saving game result:', { playerId: savePayload.playerId, sessionType: savePayload.sessionType, sessionId: savePayload.sessionId, gameName: results.gameName, }) saveGameResult.mutate(savePayload) setGameBreakResults(results) } else { // Timeout or skip - no results to show, return to practice immediately setGameBreakResults(null) } void finishGameBreak .mutateAsync({ playerId: studentId, planId: currentPlan.id, breakFinishReason: reason, breakResults: results ?? null, expectedFlowVersion: currentPlan.flowVersion, }) .then((updatedPlan) => { logGameBreakTrace('game-break-finish-resolved', { reason, updatedFlowState: updatedPlan.flowState, updatedBreakReason: updatedPlan.breakReason, }) }) .catch((err) => { showError( 'Failed to finish game break', err instanceof Error ? err.message : 'Unknown error' ) }) }, [ saveGameResult, player.id, currentPlan.id, currentPlan.flowVersion, finishGameBreak, studentId, logGameBreakTrace, showError, ] ) const handleGameBreakStarted = useCallback( (gameName: string) => { void startGameBreak .mutateAsync({ playerId: studentId, planId: currentPlan.id, game: gameName, expectedFlowVersion: currentPlan.flowVersion, }) .catch((err) => { logGameBreakTrace('game-break-start-failed', { gameName, error: err instanceof Error ? err.message : String(err), }) }) }, [startGameBreak, studentId, currentPlan.id, currentPlan.flowVersion, logGameBreakTrace] ) // Handle results screen completion - return to practice const handleGameBreakResultsComplete = useCallback(() => { setGameBreakResults(null) void acknowledgeGameBreakResults .mutateAsync({ playerId: studentId, planId: currentPlan.id, expectedFlowVersion: currentPlan.flowVersion, }) .then((updatedPlan) => { logGameBreakTrace('game-break-results-acked', { updatedFlowState: updatedPlan.flowState, }) }) .catch((err) => { showError( 'Failed to return to practice', err instanceof Error ? err.message : 'Unknown error' ) }) }, [ acknowledgeGameBreakResults, studentId, currentPlan.id, currentPlan.flowVersion, logGameBreakTrace, showError, ]) // Broadcast session state if student is in a classroom // broadcastState is updated by ActiveSession via the onBroadcastStateChange callback // onAbacusControl receives control events from observing teacher // onTeacherPause/onTeacherResume receive pause/resume commands from teacher const { isConnected: broadcastConnected, isBroadcasting, sendPartTransition, sendPartTransitionComplete, sendVisionFrame, isRecording, recordingId, startVisionRecording, stopVisionRecording, sendProblemMarker, readyObservers, } = useSessionBroadcast(currentPlan.id, studentId, broadcastState, flowState, breakContext, { onAbacusControl: setTeacherControl, onTeacherPause: setTeacherPauseRequest, onTeacherResume: () => setTeacherResumeRequest(true), }) // Session song smart trigger — fires when conditions are met mid-session useSessionSongTrigger({ studentId, plan: currentPlan, songEnabled }) // Focus skill banner — show the math rule(s) the student is working on const { data: sessionModeData } = useSessionMode(studentId) const focusSkills = useMemo((): string[] | undefined => { if (!sessionModeData) return undefined const mode = sessionModeData.sessionMode switch (mode.type) { case 'progression': return mode.nextSkill.hasMathSentence ? [mode.nextSkill.displayName] : undefined case 'remediation': { const mathSkills = mode.weakSkills .filter((s) => s.hasMathSentence) .map((s) => s.displayName) return mathSkills.length > 0 ? mathSkills : undefined } case 'maintenance': return undefined } }, [sessionModeData]) // Track whether we've started vision recording for this session const hasStartedRecordingRef = useRef(false) // Track previous problem number to detect when new problems appear const previousProblemNumberRef = useRef<number | null>(null) // Track previous isRecording state to detect when recording starts const wasRecordingRef = useRef(false) // Update the refs so callbacks defined earlier can access these functions stopRecordingRef.current = stopVisionRecording sendProblemMarkerRef.current = sendProblemMarker // When recording starts, emit problem-shown marker for the current problem // This handles the case where recording starts mid-session after the first problem-shown was dropped useEffect(() => { const wasRecording = wasRecordingRef.current wasRecordingRef.current = isRecording // Detect transition from not-recording to recording if (!wasRecording && isRecording && broadcastState) { const currentProblemNumber = broadcastState.currentProblemNumber const partIndex = broadcastState.currentPartIndex ?? currentPlan.currentPartIndex const slotIndex = broadcastState.currentSlotIndex ?? currentPlan.currentSlotIndex const retryContext = getRetryContext(partIndex, slotIndex) sendProblemMarker( currentProblemNumber, partIndex, 'problem-shown', undefined, retryContext, broadcastState.slotId, broadcastState.currentProblem ) } }, [ isRecording, broadcastState, currentPlan.currentPartIndex, currentPlan.currentSlotIndex, sendProblemMarker, getRetryContext, ]) // Emit 'problem-shown' marker when a new problem appears (including first problem) useEffect(() => { if (!broadcastState) return const currentProblemNumber = broadcastState.currentProblemNumber const previousProblemNumber = previousProblemNumberRef.current // Emit if this is a new problem OR the first problem (previousProblemNumber is null) if (currentProblemNumber !== previousProblemNumber) { // broadcastState contains the correct slot indices (including for redos) const partIndex = broadcastState.currentPartIndex ?? currentPlan.currentPartIndex const slotIndex = broadcastState.currentSlotIndex ?? currentPlan.currentSlotIndex const retryContext = getRetryContext(partIndex, slotIndex) sendProblemMarker( currentProblemNumber, partIndex, 'problem-shown', undefined, retryContext, broadcastState.slotId, broadcastState.currentProblem ) } // Update ref for next comparison previousProblemNumberRef.current = currentProblemNumber }, [ broadcastState?.currentProblemNumber, broadcastState?.currentPartIndex, broadcastState?.currentSlotIndex, currentPlan.currentPartIndex, currentPlan.currentSlotIndex, sendProblemMarker, getRetryContext, ]) // Emit 'problem-shown' marker when entering redo mode // The regular problem-shown effect won't fire because currentProblemNumber doesn't change during a redo const wasInRedoModeRef = useRef(false) useEffect(() => { const wasInRedoMode = wasInRedoModeRef.current const isNowInRedoMode = redoState?.isActive ?? false wasInRedoModeRef.current = isNowInRedoMode // Detect entering redo mode if (!wasInRedoMode && isNowInRedoMode && redoState) { const retryContext = getRetryContext(redoState.originalPartIndex, redoState.originalSlotIndex) const problemNumber = redoState.linearIndex + 1 // linearIndex is 0-based // Get problem identity from the plan for the redo slot const redoPart = currentPlan.parts[redoState.originalPartIndex] const redoSlot = redoPart?.slots?.[redoState.originalSlotIndex] sendProblemMarker( problemNumber, redoState.originalPartIndex, 'problem-shown', undefined, retryContext, redoSlot?.slotId, redoSlot?.problem ) } }, [redoState, sendProblemMarker, getRetryContext, currentPlan.parts]) const handlePartTransition = useCallback( ( previousPartType: 'abacus' | 'visualization' | 'linear' | null, nextPartType: 'abacus' | 'visualization' | 'linear', countdownStartTime: number, countdownDurationMs: number ) => { logGameBreakTrace('part-transition-start', { previousPartType, nextPartType, countdownStartTime, countdownDurationMs, }) sendPartTransition(previousPartType, nextPartType, countdownStartTime, countdownDurationMs) }, [sendPartTransition, logGameBreakTrace] ) // Handle part transition complete - called when transition screen finishes const handlePartTransitionComplete = useCallback(async () => { logGameBreakTrace('part-transition-complete-callback', { flowStateBefore: flowState, currentPartIndex: currentPlan.currentPartIndex, currentSlotIndex: currentPlan.currentSlotIndex, }) sendPartTransitionComplete() try { const shouldRunBreak = ((currentPlan.gameBreakSettings as GameBreakSettings | null)?.enabled ?? false) && currentPlan.currentPartIndex < currentPlan.parts.length const updatedPlan = await completePartTransition.mutateAsync({ playerId: studentId, planId: currentPlan.id, expectedFlowVersion: currentPlan.flowVersion, shouldRunBreak, }) logGameBreakTrace('part-transition-complete-resolved', { updatedFlowState: updatedPlan.flowState, updatedBreakStartedAt: updatedPlan.breakStartedAt, }) } catch (err) { showError( 'Failed to transition session', err instanceof Error ? err.message : 'Unknown transition error' ) } }, [ sendPartTransitionComplete, flowState, completePartTransition, studentId, currentPlan.id, currentPlan.flowVersion, currentPlan.currentPartIndex, currentPlan.currentSlotIndex, currentPlan.parts.length, currentPlan.gameBreakSettings, logGameBreakTrace, showError, ]) // Wire vision frame callback to broadcast vision frames to observers // Also auto-start recording when vision frames start flowing useEffect(() => { setVisionFrameCallback((frame) => { // Start recording on first vision frame (if not already recording) if (!hasStartedRecordingRef.current && !isRecording) { hasStartedRecordingRef.current = true startVisionRecording() } sendVisionFrame(frame.imageData, frame.detectedValue, frame.confidence) }) return () => { setVisionFrameCallback(null) } }, [setVisionFrameCallback, sendVisionFrame, isRecording, startVisionRecording]) useEffect(() => { logGameBreakTrace('flow-state', { flowState, showGameBreak, showGameBreakResults }) }, [flowState, showGameBreak, showGameBreakResults, logGameBreakTrace]) // Build session HUD data for PracticeSubNav const sessionHud: SessionHudData | undefined = currentPart ? { isPaused, parts: currentPlan.parts, currentPartIndex: currentPlan.currentPartIndex, currentPart: { type: currentPart.type, partNumber: currentPart.partNumber, totalSlots: currentPart.slots.length, }, currentSlotIndex: currentPlan.currentSlotIndex, results: currentPlan.results, completedProblems, totalProblems, sessionHealth: sessionHealth ? { overall: sessionHealth.overall, accuracy: sessionHealth.accuracy, } : undefined, // Pass timing data for the current problem timing: timingData ? { startTime: timingData.startTime, accumulatedPauseMs: timingData.accumulatedPauseMs, results: currentPlan.results, parts: currentPlan.parts, } : undefined, onPause: handlePause, onResume: handleResume, onEndEarly: () => handleEndEarly('Session ended'), isEndingSession: endEarly.isPending, isBrowseMode, onToggleBrowse: () => setIsBrowseMode((prev) => !prev), onBrowseNavigate: setBrowseIndex, onRedoProblem: handleRedoProblem, // Allow navigating to other problems during redo onCancelRedo: handleCancelRedo, // Return to current session position from redo redoLinearIndex: redoState?.linearIndex, plan: currentPlan, } : undefined // Build game break HUD data for PracticeSubNav (when on game break) const gameBreakHud: GameBreakHudData | undefined = showGameBreak ? { startTime: gameBreakStartTime, maxDurationMs: (gameBreakSettings?.maxDurationMinutes ?? 5) * 60 * 1000, onSkip: () => handleGameBreakEnd('skipped'), } : undefined return ( <PageWithNav> {/* Practice Sub-Navigation with Session HUD or Game Break HUD */} <PracticeSubNav student={player} pageContext="session" sessionHud={sessionHud} gameBreakHud={gameBreakHud} focusSkills={focusSkills} /> <main data-component="practice-page" className={`${css({ userSelect: 'none', // Fixed positioning to precisely control bounds position: 'fixed', // Top: main nav (80px) + sub-nav height (~52px mobile, ~60px desktop) + optional focus banner (~24px) top: focusSkills ? { base: '156px', md: '164px' } : { base: '132px', md: '140px' }, left: 0, // Right: 0 by default, landscape mobile handled via media query below right: 0, // Bottom: keypad height on mobile portrait (48px), 0 on desktop // Landscape mobile handled via media query below bottom: { base: '48px', md: 0 }, overflow: 'hidden', // Prevent scrolling during practice })} no-text-select`} > {/* Landscape mobile: keypad is on right (100px) instead of bottom */} <style dangerouslySetInnerHTML={{ __html: ` @media (orientation: landscape) and (max-height: 500px) { [data-component="practice-page"] { bottom: 0 !important; right: 100px !important; } } `, }} /> <PracticeErrorBoundary studentName={player.name}> {showGameBreakResults && gameBreakResults ? ( <GameBreakResultsScreen isVisible={showGameBreakResults} results={gameBreakResults} student={{ name: player.name, emoji: player.emoji }} onComplete={handleGameBreakResultsComplete} /> ) : showGameBreak ? ( <GameBreakScreen isVisible={showGameBreak} student={{ id: player.id, name: player.name, emoji: player.emoji, color: player.color, }} maxDurationMinutes={gameBreakSettings?.maxDurationMinutes ?? 5} startTime={gameBreakStartTime} onComplete={handleGameBreakEnd} selectionMode={gameBreakSettings?.selectionMode ?? 'kid-chooses'} selectedGame={gameBreakSettings?.selectedGame ?? null} gameConfig={gameBreakGameConfig} enabledGames={gameBreakSettings?.enabledGames} onGameSelected={handleGameBreakStarted} onBreakContextChange={setBreakContext} readyObservers={readyObservers} /> ) : ( <ActiveSession plan={currentPlan} historicalResults={historicalResults} student={{ id: player.id, name: player.name, emoji: player.emoji, color: player.color, }} onAnswer={handleAnswer} onEndEarly={handleEndEarly} onPause={() => setIsPaused(true)} onResume={handleResume} onComplete={handleSessionComplete} onTimingUpdate={setTimingData} onBroadcastStateChange={setBroadcastState} isBrowseMode={isBrowseMode} browseIndex={browseIndex} onBrowseIndexChange={setBrowseIndex} teacherControl={teacherControl} onTeacherControlHandled={() => setTeacherControl(null)} teacherPauseRequest={teacherPauseRequest} onTeacherPauseHandled={() => setTeacherPauseRequest(null)} teacherResumeRequest={teacherResumeRequest} onTeacherResumeHandled={() => setTeacherResumeRequest(false)} manualPauseRequest={manualPauseRequest} onManualPauseHandled={() => setManualPauseRequest(false)} onPartTransition={handlePartTransition} onPartTransitionComplete={handlePartTransitionComplete} redoState={redoState} onRecordRedo={handleRecordRedo} onRedoComplete={() => setRedoState(null)} onCancelRedo={handleCancelRedo} onResultEdited={() => { // Invalidate the session plan query to refetch updated results queryClient.invalidateQueries({ queryKey: sessionPlanKeys.active(studentId), }) }} /> )} </PracticeErrorBoundary> </main> {/* Debug panel for socket broadcast state - only visible when visual debug is enabled */} <BroadcastDebugPanel isConnected={broadcastConnected} isBroadcasting={isBroadcasting} isRecording={isRecording} sessionId={currentPlan.id} playerId={studentId} recordingId={recordingId} broadcastState={broadcastState} /> </PageWithNav> ) } |