feat: i18n — EN/MS/ZH translations with cookie-based locale switching, report form translated

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FFDuBhMKvoWjrWT3ZnGmmr

messages/ms.json

@@ -0,0 +1,36 @@
+{
+  "ReportForm": {
+    "title": "Laporkan Insiden",
+    "incidentTypeLabel": "Jenis insiden",
+    "incidentTypePlaceholder": "Pilih jenis…",
+    "descriptionLabel": "Apa yang berlaku?",
+    "descriptionPlaceholder": "Terangkan apa yang berlaku, di mana, dan tindakan segera yang diambil…",
+    "injuryInvolved": "Seseorang telah cedera",
+    "treatmentLevel": "Tahap rawatan",
+    "treatmentPlaceholder": "Pilih rawatan…",
+    "assetInvolved": "Peralatan / aset rosak",
+    "filesLabel": "Foto / Video / Dokumen",
+    "submitButton": "Hantar Laporan Insiden",
+    "submitting": "Menghantar…",
+    "submitAnyway": "Hantar juga",
+    "qualityScoreLabel": "Kualiti laporan — {score}/10",
+    "errorGeneric": "Berlaku ralat. Sila cuba lagi.",
+    "savedOffline": "Laporan disimpan. Ia akan dihantar secara automatik apabila anda dalam talian semula.",
+    "offlineBanner": "Anda tiada sambungan. Laporan anda akan disimpan dan dihantar apabila disambungkan semula."
+  },
+  "IncidentType": {
+    "injury": "Kecederaan / Perubatan",
+    "near_miss": "Hampir Berlaku",
+    "hazard": "Bahaya / Keadaan Tidak Selamat",
+    "asset_damage": "Kerosakan Aset / Peralatan",
+    "environmental": "Insiden Alam Sekitar",
+    "security": "Insiden Keselamatan",
+    "fire": "Kebakaran / Kecemasan"
+  },
+  "MedicalStatus": {
+    "none": "Tiada rawatan diperlukan",
+    "first_aid": "Pertolongan cemas sahaja",
+    "medical_treatment": "Rawatan perubatan (bukan LTI)",
+    "lti": "Kecederaan Masa Hilang (LTI)"
+  }
+}