Add burst job scheduling, enhance timeline lane management, and improve tooltip functionality

app/service/fake_jobs.py

@@ -140,6 +140,27 @@ def get_fake_jobs(now: datetime) -> list[FakeReconJob]:
         ),
     ]
 
+    # A burst of jobs all scheduled at the same time (16:00) — the engine will
+    # serialise these so the dashboard caps the stack at 3 lanes and chains the
+    # rest horizontally on the bottom lane.
+    burst_due = _at(today, 16, 0) if now < _at(today, 16, 0) else now + timedelta(minutes=30)
+    burst_names = [
+        ("Branch Cash Recon",      "branch-cash"),
+        ("Card Settlement Recon",  "card-settlement"),
+        ("ATM Float Recon",        "atm-float"),
+        ("Loan Disbursement Recon","loan-disb"),
+        ("Mortgage Payment Recon", "mortgage-pmt"),
+        ("Term Deposit Recon",     "term-deposit"),
+        ("Wire Transfer Recon",    "wire-transfer"),
+    ]
+    for i, (name, ref) in enumerate(burst_names):
+        jobs.append(FakeReconJob(
+            id=210 + i, name=name, as_at_date=today,
+            recon_config_reference=ref,
+            due_datetime=burst_due,
+            status="created",
+        ))
+
     # Add a 7-day history (excluding the two days above) so totals look real.
     history_template = [
         ("FX Settlement Recon",     "fx-settlement",      6, 45, "completed"),