feat(i18n): add internationalization support with English and Spanish translations

feat(kiosk): implement kiosk report submission functionality with offline support

test(outbox): add tests for outbox functionality including report submission and error handling

feat(outbox): create outbox management for queued reports with IndexedDB persistence

feat(uuid): add UUID generation utility for client IDs

feat(qr): implement QR code generation for reporting links by site and area

feat(kiosk): create Kiosk page for reporting incidents without an account

server/lib/reporting.ts

@@ -0,0 +1,115 @@
+import { and, eq, isNull, sql } from 'drizzle-orm'
+import type { IncidentType, Severity } from '../../shared/enums.ts'
+import type { SessionUser } from '../auth/sessions.ts'
+import { isUniqueViolation, type Db } from '../db/client.ts'
+import { areas, incidentCounters, incidents, sites } from '../db/schema.ts'
+import type { Notifier } from '../notifications.ts'
+import { fail } from './http.ts'
+import { auditIncident } from './incidents.ts'
+
+/** Reports may be dated slightly ahead to absorb clock differences between devices. */
+const MAX_CLOCK_SKEW_MS = 5 * 60 * 1000
+
+export function parseOccurredAt(value: string): Date {
+  const date = new Date(value)
+  if (date.getTime() > Date.now() + MAX_CLOCK_SKEW_MS) throw fail(400, 'Occurrence time cannot be in the future')
+  return date
+}
+
+export async function assertLocation(db: Db, organizationId: string, siteId: string, areaId: string | null | undefined) {
+  const [site] = await db
+    .select({ id: sites.id })
+    .from(sites)
+    .where(and(eq(sites.id, siteId), eq(sites.organizationId, organizationId), isNull(sites.archivedAt)))
+  if (!site) throw fail(400, 'Unknown site')
+  if (areaId) {
+    const [area] = await db
+      .select({ id: areas.id })
+      .from(areas)
+      .where(and(eq(areas.id, areaId), eq(areas.siteId, siteId)))
+    if (!area) throw fail(400, 'Area must belong to the selected site')
+  }
+}
+
+export interface NewReport {
+  organizationId: string
+  title: string
+  type: IncidentType
+  severity: Severity
+  occurredAt: string
+  siteId: string
+  areaId?: string | null
+  locationDetail?: string | null
+  description?: string | null
+  immediateAction?: string | null
+  clientId?: string
+  /** Signed-in reporter, or null for anonymous and kiosk reports. */
+  reporter: SessionUser | null
+  reporterName?: string | null
+  anonymous: boolean
+  kioskId?: string
+}
+
+/**
+ * Files a report with the next incident number. If `clientId` was already used in the organization
+ * (a retried submission), returns the existing incident instead of creating a duplicate.
+ */
+export async function fileReport(db: Db, notifier: Notifier, report: NewReport): Promise<{ id: string; number: number; created: boolean }> {
+  const { organizationId, reporter, anonymous, kioskId, occurredAt, clientId, ...fields } = report
+  await assertLocation(db, organizationId, fields.siteId, fields.areaId)
+  const occurred = parseOccurredAt(occurredAt)
+
+  const existing = async () => {
+    if (!clientId) return undefined
+    const [row] = await db
+      .select({ id: incidents.id, number: incidents.number })
+      .from(incidents)
+      .where(and(eq(incidents.organizationId, organizationId), eq(incidents.clientId, clientId)))
+    return row && { ...row, created: false }
+  }
+  const previous = await existing()
+  if (previous) return previous
+
+  try {
+    const created = await db.transaction(async (tx) => {
+      // Atomic increment: concurrent reports always get distinct, gap-free numbers.
+      const [{ lastNumber }] = await tx
+        .insert(incidentCounters)
+        .values({ organizationId, lastNumber: 1 })
+        .onConflictDoUpdate({ target: incidentCounters.organizationId, set: { lastNumber: sql`${incidentCounters.lastNumber} + 1` } })
+        .returning({ lastNumber: incidentCounters.lastNumber })
+      const [incident] = await tx
+        .insert(incidents)
+        .values({
+          ...fields,
+          occurredAt: occurred,
+          organizationId,
+          number: lastNumber,
+          clientId,
+          anonymous,
+          reporterId: anonymous ? null : (reporter?.id ?? null),
+          reporterName: anonymous ? null : (fields.reporterName ?? null),
+          channel: kioskId ? 'kiosk' : 'web',
+          kioskId,
+        })
+        .returning({ id: incidents.id, number: incidents.number })
+      await auditIncident(tx, anonymous ? null : reporter, organizationId, incident.id, 'create', {
+        number: lastNumber,
+        title: fields.title,
+        type: fields.type,
+        severity: fields.severity,
+        ...(kioskId ? { kioskId } : {}),
+      })
+      return incident
+    })
+    notifier.incidentReported(created.id)
+    return { ...created, created: true }
+  } catch (error) {
+    // Two copies of the same submission raced; the other one won.
+    if (clientId && isUniqueViolation(error)) {
+      const winner = await existing()
+      if (winner) return winner
+    }
+    throw error
+  }
+}