feat(phase-b): school onboarding wizard + GAIS school search UI

- SchoolOnboardingWizard.tsx: new 3-step wizard (GAIS search → confirm →
  calendar setup) triggered from the nav panel school section when no school
  is linked. Calls GET /school/search for live school lookup and
  POST /school/register to create the institute record.
- CCGraphNavPanel.tsx: add showOnboard button for no_school state,
  onOnboardSchool context action, wire up SchoolOnboardingWizard state.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/utils/tldraw/ui-overrides/components/shared/navigation/CCGraphNavPanel.tsx

@@ -26,6 +26,7 @@ import { NeoGraphNode } from '../../../../../../types/navigation';
 import { logger } from '../../../../../../debugConfig';
 import { SchoolCalendarWizard, SchoolInfo } from './SchoolCalendarWizard';
 import { TeacherTimetableWizard, PeriodTemplate } from './TeacherTimetableWizard';
+import { SchoolOnboardingWizard } from './SchoolOnboardingWizard';
 
 type NodeStatus = 'populated' | 'empty' | 'no_school' | 'not_initialized';
 type CalendarMode = 'generic' | 'academic';
@@ -97,6 +98,7 @@ interface NavPanelContextValue {
     schoolStatus: SchoolStatus | null;
     onSetupSchoolCalendar: () => void;
     onSetupTimetable: () => void;
+    onOnboardSchool: () => void;
     activeNodeId?: string;
 }
 
@@ -108,6 +110,7 @@ const NavPanelContext = createContext<NavPanelContextValue>({
     schoolStatus: null,
     onSetupSchoolCalendar: () => {},
     onSetupTimetable: () => {},
+    onOnboardSchool: () => {},
 });
 
 // ─── TreeItem ─────────────────────────────────────────────────────────────────
@@ -181,6 +184,8 @@ function TreeItem({ node, depth, onSelect, onExpand }: TreeItemProps) {
     const showCalendarPending = isSchoolSection
         && ss && ss.status !== 'no_school'
         && !ss.school_has_calendar && ss.user_role !== 'school_admin';
+    // School section: onboarding prompt when no school linked
+    const showOnboard = isSchoolSection && (!ss || ss.status === 'no_school');
     // Timetable section: teacher timetable setup (requires school calendar first)
     const showTimetableSetup = isTimetableSection && node.status === 'empty'
         && ss && ss.status !== 'no_school'
@@ -249,7 +254,19 @@ function TreeItem({ node, depth, onSelect, onExpand }: TreeItemProps) {
                         </Tooltip>
                     )}
 
-                    {/* Timetable section — role-aware action */}
+                    {/* School section — onboarding when no school */}
+                    {showOnboard && (
+                        <Tooltip title="Find and join your school" placement="right">
+                            <IconButton
+                                size="small"
+                                sx={{ p: 0.25, ml: 0.5, color: 'primary.main' }}
+                                onClick={e => { e.stopPropagation(); ctx.onOnboardSchool(); }}
+                            >
+                                <SetupIcon sx={{ fontSize: 13 }} />
+                            </IconButton>
+                        </Tooltip>
+                    )}
+                    {/* Calendar section — role-aware action */}
                     {showCalendarSetup && (
                         <Tooltip title="Set up school calendar" placement="right">
                             <IconButton
@@ -407,6 +424,7 @@ export function CCGraphNavPanel() {
 
     const [calendarWizardOpen, setCalendarWizardOpen] = useState(false);
     const [timetableWizardOpen, setTimetableWizardOpen] = useState(false);
+    const [onboardingWizardOpen, setOnboardingWizardOpen] = useState(false);
 
     const apiBase = import.meta.env.VITE_API_BASE as string;
     const activeNodeId = context.node?.type !== 'workspace' ? context.node?.id : undefined;
@@ -544,6 +562,7 @@ export function CCGraphNavPanel() {
         schoolStatus,
         onSetupSchoolCalendar: () => setCalendarWizardOpen(true),
         onSetupTimetable: () => setTimetableWizardOpen(true),
+        onOnboardSchool: () => setOnboardingWizardOpen(true),
         activeNodeId,
     };
 
@@ -581,6 +600,18 @@ export function CCGraphNavPanel() {
                 periodsTemplate={schoolStatus?.periods_template || []}
                 timetableId={schoolStatus?.timetable_id || null}
             />
+
+            <SchoolOnboardingWizard
+                open={onboardingWizardOpen}
+                onClose={() => setOnboardingWizardOpen(false)}
+                onComplete={() => {
+                    setOnboardingWizardOpen(false);
+                    // Reload tree + school status after successful onboarding
+                    setTree(null);
+                    setSchoolStatus(null);
+                }}
+                apiBase={apiBase}
+            />
         </NavPanelContext.Provider>
     );
 }

src/utils/tldraw/ui-overrides/components/shared/navigation/SchoolOnboardingWizard.tsx

@@ -0,0 +1,338 @@
+import React, { useState, useCallback, useRef } from 'react';
+import {
+    Dialog, DialogTitle, DialogContent, DialogActions,
+    Button, Stepper, Step, StepLabel, Box, TextField,
+    Typography, CircularProgress, Alert, List, ListItem,
+    ListItemButton, ListItemText, Divider, InputAdornment,
+    Chip,
+} from '@mui/material';
+import { Search as SearchIcon, School as SchoolIcon } from '@mui/icons-material';
+import { useAuth } from '../../../../../../contexts/AuthContext';
+import { SchoolCalendarWizard, SchoolInfo } from './SchoolCalendarWizard';
+
+// ─── Types ────────────────────────────────────────────────────────────────────
+
+interface GaisSchool {
+    urn: string;
+    name: string;
+    status: string | null;
+    phase: string | null;
+    type: string | null;
+    street: string | null;
+    locality: string | null;
+    town: string | null;
+    county: string | null;
+    postcode: string | null;
+    website: string | null;
+    telephone: string | null;
+    head_title: string | null;
+    head_first_name: string | null;
+    head_last_name: string | null;
+    la_name: string | null;
+    number_of_pupils: number | null;
+    region: string | null;
+}
+
+interface Props {
+    open: boolean;
+    onClose: () => void;
+    onComplete: () => void;
+    apiBase: string;
+}
+
+const STEPS = ['Find your school', 'Confirm details', 'Set up calendar'];
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+function buildAddress(g: GaisSchool): Record<string, string> {
+    const addr: Record<string, string> = {};
+    if (g.street) addr.street = g.street;
+    if (g.locality) addr.locality = g.locality;
+    if (g.town) addr.town = g.town;
+    if (g.county) addr.county = g.county;
+    if (g.postcode) addr.postcode = g.postcode;
+    return addr;
+}
+
+function headteacherString(g: GaisSchool): string {
+    return [g.head_title, g.head_first_name, g.head_last_name]
+        .filter(Boolean)
+        .join(' ');
+}
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+export function SchoolOnboardingWizard({ open, onClose, onComplete, apiBase }: Props) {
+    const { accessToken } = useAuth();
+
+    const [step, setStep] = useState(0);
+    const [searching, setSearching] = useState(false);
+    const [registering, setRegistering] = useState(false);
+    const [error, setError] = useState<string | null>(null);
+
+    // Step 0 — search
+    const [query, setQuery] = useState('');
+    const [results, setResults] = useState<GaisSchool[]>([]);
+    const [selected, setSelected] = useState<GaisSchool | null>(null);
+    const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+    // Step 1 — confirm/edit
+    const [editName, setEditName] = useState('');
+    const [editWebsite, setEditWebsite] = useState('');
+    const [editHeadteacher, setEditHeadteacher] = useState('');
+
+    // After registration
+    const [registeredSchoolInfo, setRegisteredSchoolInfo] = useState<SchoolInfo | null>(null);
+    const [calendarOpen, setCalendarOpen] = useState(false);
+
+    const reset = () => {
+        setStep(0);
+        setQuery('');
+        setResults([]);
+        setSelected(null);
+        setEditName('');
+        setEditWebsite('');
+        setEditHeadteacher('');
+        setRegisteredSchoolInfo(null);
+        setCalendarOpen(false);
+        setError(null);
+    };
+
+    const handleClose = () => { reset(); onClose(); };
+
+    // ── Step 0: search ────────────────────────────────────────────────────────
+
+    const doSearch = useCallback(async (q: string) => {
+        if (q.trim().length < 2) { setResults([]); return; }
+        setSearching(true);
+        setError(null);
+        try {
+            const res = await fetch(
+                `${apiBase}/school/search?q=${encodeURIComponent(q)}&limit=25&status=Open`,
+                { headers: { Authorization: `Bearer ${accessToken}` } }
+            );
+            const data = await res.json();
+            if (data.status === 'ok') setResults(data.schools || []);
+            else setError(data.message || 'Search failed');
+        } catch {
+            setError('Search request failed');
+        } finally {
+            setSearching(false);
+        }
+    }, [apiBase, accessToken]);
+
+    const handleQueryChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+        const q = e.target.value;
+        setQuery(q);
+        if (debounceRef.current) clearTimeout(debounceRef.current);
+        debounceRef.current = setTimeout(() => doSearch(q), 350);
+    };
+
+    const handleSelectSchool = (school: GaisSchool) => {
+        setSelected(school);
+        setEditName(school.name);
+        setEditWebsite(school.website || '');
+        setEditHeadteacher(headteacherString(school));
+        setStep(1);
+    };
+
+    // ── Step 1 → Step 2: register school ─────────────────────────────────────
+
+    const handleRegister = async () => {
+        if (!selected) return;
+        setRegistering(true);
+        setError(null);
+        try {
+            const res = await fetch(`${apiBase}/school/register`, {
+                method: 'POST',
+                headers: {
+                    Authorization: `Bearer ${accessToken}`,
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({
+                    urn: selected.urn,
+                    name: editName,
+                    address: buildAddress(selected),
+                    website: editWebsite,
+                    headteacher: editHeadteacher,
+                }),
+            });
+            const data = await res.json();
+            if (data.status === 'ok' || data.status === 'already_exists') {
+                const info: SchoolInfo = {
+                    name: editName,
+                    urn: selected.urn,
+                    website: editWebsite,
+                    address: buildAddress(selected),
+                    headteacher: editHeadteacher,
+                    term_dates_url: '',
+                    staff_list_url: '',
+                };
+                setRegisteredSchoolInfo(info);
+                setStep(2);
+            } else {
+                setError(data.message || 'Registration failed');
+            }
+        } catch {
+            setError('Registration request failed');
+        } finally {
+            setRegistering(false);
+        }
+    };
+
+    // ── Step 2: calendar wizard completes → done ──────────────────────────────
+
+    const handleCalendarComplete = () => {
+        setCalendarOpen(false);
+        reset();
+        onComplete();
+    };
+
+    // ── Render ────────────────────────────────────────────────────────────────
+
+    return (
+        <>
+            <Dialog open={open && step < 2} onClose={handleClose} maxWidth="sm" fullWidth>
+                <DialogTitle sx={{ pb: 1 }}>
+                    <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
+                        <SchoolIcon fontSize="small" />
+                        Set up your school
+                    </Box>
+                </DialogTitle>
+
+                <DialogContent>
+                    <Stepper activeStep={step} sx={{ mb: 3, mt: 0.5 }}>
+                        {STEPS.map(label => (
+                            <Step key={label}>
+                                <StepLabel>{label}</StepLabel>
+                            </Step>
+                        ))}
+                    </Stepper>
+
+                    {error && <Alert severity="error" sx={{ mb: 2 }}>{error}</Alert>}
+
+                    {step === 0 && (
+                        <Box>
+                            <TextField
+                                fullWidth
+                                label="Search by school name, URN, or postcode"
+                                value={query}
+                                onChange={handleQueryChange}
+                                size="small"
+                                InputProps={{
+                                    startAdornment: (
+                                        <InputAdornment position="start">
+                                            {searching ? <CircularProgress size={16} /> : <SearchIcon fontSize="small" />}
+                                        </InputAdornment>
+                                    ),
+                                }}
+                                sx={{ mb: 1 }}
+                            />
+                            {results.length > 0 && (
+                                <List dense sx={{ maxHeight: 360, overflow: 'auto', border: '1px solid', borderColor: 'divider', borderRadius: 1 }}>
+                                    {results.map((school, idx) => (
+                                        <React.Fragment key={school.urn}>
+                                            {idx > 0 && <Divider component="li" />}
+                                            <ListItem disablePadding>
+                                                <ListItemButton onClick={() => handleSelectSchool(school)}>
+                                                    <ListItemText
+                                                        primary={school.name}
+                                                        secondary={
+                                                            <Box component="span" sx={{ display: 'flex', flexWrap: 'wrap', gap: 0.5, mt: 0.25 }}>
+                                                                <Typography component="span" variant="caption" color="text.secondary">
+                                                                    {[school.town, school.county, school.postcode].filter(Boolean).join(', ')}
+                                                                </Typography>
+                                                                {school.phase && (
+                                                                    <Chip label={school.phase} size="small" variant="outlined" sx={{ height: 16, fontSize: '0.65rem' }} />
+                                                                )}
+                                                            </Box>
+                                                        }
+                                                        primaryTypographyProps={{ variant: 'body2', fontWeight: 500 }}
+                                                    />
+                                                </ListItemButton>
+                                            </ListItem>
+                                        </React.Fragment>
+                                    ))}
+                                </List>
+                            )}
+                            {!searching && query.length >= 2 && results.length === 0 && (
+                                <Typography variant="caption" color="text.secondary">
+                                    No open schools found. Try a different name or postcode.
+                                </Typography>
+                            )}
+                        </Box>
+                    )}
+
+                    {step === 1 && selected && (
+                        <Box sx={{ display: 'flex', flexDirection: 'column', gap: 2 }}>
+                            <Typography variant="body2" color="text.secondary">
+                                Review and edit your school details before registering.
+                            </Typography>
+                            <TextField
+                                fullWidth
+                                label="School name"
+                                value={editName}
+                                onChange={e => setEditName(e.target.value)}
+                                size="small"
+                            />
+                            <TextField
+                                fullWidth
+                                label="Website"
+                                value={editWebsite}
+                                onChange={e => setEditWebsite(e.target.value)}
+                                size="small"
+                                placeholder="https://"
+                            />
+                            <TextField
+                                fullWidth
+                                label="Headteacher"
+                                value={editHeadteacher}
+                                onChange={e => setEditHeadteacher(e.target.value)}
+                                size="small"
+                            />
+                            <Box sx={{ p: 1.5, borderRadius: 1, bgcolor: 'action.hover', fontSize: '0.78rem' }}>
+                                <Typography variant="caption" display="block" color="text.secondary" sx={{ mb: 0.5 }}>Address from Edubase</Typography>
+                                {Object.values(buildAddress(selected)).filter(Boolean).join(', ')}
+                            </Box>
+                            <Typography variant="caption" color="text.secondary">
+                                URN: {selected.urn} · {selected.phase} · {selected.type}
+                            </Typography>
+                        </Box>
+                    )}
+                </DialogContent>
+
+                <DialogActions>
+                    {step === 0 && (
+                        <Button onClick={handleClose} size="small">Cancel</Button>
+                    )}
+                    {step === 1 && (
+                        <>
+                            <Button onClick={() => setStep(0)} size="small">Back</Button>
+                            <Button onClick={handleClose} size="small">Cancel</Button>
+                            <Button
+                                variant="contained"
+                                size="small"
+                                onClick={handleRegister}
+                                disabled={registering || !editName.trim()}
+                                startIcon={registering ? <CircularProgress size={14} /> : undefined}
+                            >
+                                {registering ? 'Registering…' : 'Register school'}
+                            </Button>
+                        </>
+                    )}
+                </DialogActions>
+            </Dialog>
+
+            {/* Step 2: calendar setup opens as a separate wizard */}
+            {registeredSchoolInfo && (
+                <SchoolCalendarWizard
+                    open={step === 2}
+                    onClose={() => { reset(); onClose(); }}
+                    onComplete={handleCalendarComplete}
+                    apiBase={apiBase}
+                    schoolInfo={registeredSchoolInfo}
+                />
+            )}
+        </>
+    );
+}