fix(live-log): prevent freeze without GPS and prompt for day-start position

Harden geolocation with watchdog timeouts and permission checks so
desktop browsers without GPS no longer hang Live-Log. Show a hint to
log a position when none exists for the day.

Return 503 when crew-pool Prisma models are missing instead of crashing.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/src/routes/auth.ts

@@ -506,17 +506,33 @@ router.put('/appearance-prefs', requireUser, async (req: any, res) => {
 
 router.get('/person-pool', requireUser, async (req: any, res) => {
   try {
+    const { hasCrewPoolPrismaModels, isMissingPrismaTable, CREW_POOL_MIGRATION_HINT } =
+      await import('../utils/crewPoolSchema.js')
+    if (!hasCrewPoolPrismaModels()) {
+      console.warn('Person pool Prisma models missing — run prisma generate')
+      return res.status(503).json({ error: CREW_POOL_MIGRATION_HINT, persons: [] })
+    }
     const persons = await prisma.personPayload.findMany({
       where: { userId: req.userId }
     })
     return res.json({ persons })
   } catch (error: unknown) {
+    const { isMissingPrismaTable, CREW_POOL_MIGRATION_HINT } = await import('../utils/crewPoolSchema.js')
+    if (isMissingPrismaTable(error)) {
+      return res.status(503).json({ error: CREW_POOL_MIGRATION_HINT, persons: [] })
+    }
     return sendInternalError(res, error, 'auth/person-pool-get')
   }
 })
 
 router.post('/person-pool/push', requireUser, async (req: any, res) => {
   try {
+    const { hasCrewPoolPrismaModels, isMissingPrismaTable, CREW_POOL_MIGRATION_HINT } =
+      await import('../utils/crewPoolSchema.js')
+    if (!hasCrewPoolPrismaModels()) {
+      return res.status(503).json({ error: CREW_POOL_MIGRATION_HINT })
+    }
+
     const { items } = req.body
     if (!items || !Array.isArray(items)) {
       return res.status(400).json({ error: 'items array is required' })
@@ -569,6 +585,10 @@ router.post('/person-pool/push', requireUser, async (req: any, res) => {
 
     return res.json({ results })
   } catch (error: unknown) {
+    const { isMissingPrismaTable, CREW_POOL_MIGRATION_HINT } = await import('../utils/crewPoolSchema.js')
+    if (isMissingPrismaTable(error)) {
+      return res.status(503).json({ error: CREW_POOL_MIGRATION_HINT })
+    }
     return sendInternalError(res, error, 'auth/person-pool-push')
   }
 })

server/src/routes/sync.ts

@@ -248,6 +248,16 @@ router.post('/push', async (req: any, res) => {
             })
           }
         } else if (type === 'logbookCrew') {
+          const { hasCrewPoolPrismaModels, CREW_POOL_MIGRATION_HINT } =
+            await import('../utils/crewPoolSchema.js')
+          if (!hasCrewPoolPrismaModels()) {
+            results.push({
+              payloadId,
+              status: 'error',
+              error: CREW_POOL_MIGRATION_HINT
+            })
+            continue
+          }
           {
             const existing = await prisma.logbookCrewSelectionPayload.findUnique({ where: { logbookId } })
             if (existing && new Date(existing.updatedAt) > itemUpdatedAt) {
@@ -325,9 +335,13 @@ router.get('/pull', async (req: any, res) => {
     const entries = await prisma.entryPayload.findMany({ where: { logbookId } })
     const photos = await prisma.photoPayload.findMany({ where: { logbookId } })
     const gpsTracks = await prisma.gpsTrackPayload.findMany({ where: { logbookId } })
-    const logbookCrewSelection = await prisma.logbookCrewSelectionPayload.findUnique({
-      where: { logbookId }
-    })
+    let logbookCrewSelection = null
+    const { hasCrewPoolPrismaModels } = await import('../utils/crewPoolSchema.js')
+    if (hasCrewPoolPrismaModels()) {
+      logbookCrewSelection = await prisma.logbookCrewSelectionPayload.findUnique({
+        where: { logbookId }
+      })
+    }
 
     return res.json({
       yacht,