fix: attendance project tracking — enrich completed shift logs with project names

Bug #1: completed shifts in today_shifts had no project names,
showing "undefined" in the UI. Now includes attendance_project_logs
relation and enriches with project names from projects table.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/services/attendance.service.ts

@@ -167,12 +167,15 @@ export async function getStatus(userId: number) {
   });
 
   // 2) Today's completed shifts
-  const todayShifts = await prisma.attendance.findMany({
+  const todayShiftsRaw = await prisma.attendance.findMany({
     where: {
       user_id: userId,
       shift_date: { gte: todayStart, lte: todayEnd },
       departure_time: { not: null },
     },
+    include: {
+      attendance_project_logs: { orderBy: { started_at: "asc" } },
+    },
     orderBy: { arrival_time: "asc" },
   });
 
@@ -251,6 +254,39 @@ export async function getStatus(userId: number) {
   };
 
   // 5) Project logs for ongoing shift
+  // Collect all project IDs from completed shifts for name lookup
+  const completedProjectIds = new Set<number>();
+  for (const shift of todayShiftsRaw) {
+    for (const log of shift.attendance_project_logs) {
+      completedProjectIds.add(log.project_id);
+    }
+  }
+
+  // Fetch project names for completed shifts
+  const completedProjectNames = new Map<number, string>();
+  if (completedProjectIds.size > 0) {
+    const projects = await prisma.projects.findMany({
+      where: { id: { in: [...completedProjectIds] } },
+      select: { id: true, name: true, project_number: true },
+    });
+    for (const p of projects) {
+      completedProjectNames.set(
+        p.id,
+        p.project_number ? `${p.project_number} – ${p.name}` : p.name || "",
+      );
+    }
+  }
+
+  // Enrich today's completed shifts with project names
+  const todayShifts = todayShiftsRaw.map((shift) => ({
+    ...shift,
+    project_logs: shift.attendance_project_logs.map((l) => ({
+      ...l,
+      project_name:
+        completedProjectNames.get(l.project_id) || `Projekt #${l.project_id}`,
+    })),
+  }));
+
   let projectLogs: Array<{
     id: number;
     attendance_id: number;