Time Slider Labels, Job Initiated Logging

qlbm.py

@@ -154,6 +154,7 @@ state.update({
     "simulation_has_run": False,
     "time_val": 0,
     "max_time_step": 0,
+    "time_slider_labels": [],  # Formatted time labels for slider thumb
     "simulation_backend_ready": _SIMULATION_CAN_RUN,
     "simulation_backend_note": _SIMULATION_BACKEND_NOTE,
     "simulation_backend_mode": _SIMULATION_MODE_LABEL,
@@ -755,7 +756,19 @@ def run_simulation():
     state.simulation_progress = 0
     state.status_message = "Running simulation..."
     state.status_type = "info"
-    log_to_console("Starting simulation...")
+    
+    # Log initial configuration
+    config_lines = [
+        "Job Initiated",
+        f"  Grid Size: {state.grid_size} × {state.grid_size} × {state.grid_size}",
+        f"  Time Steps: {state.time_steps}",
+        f"  Distribution: {state.dist_type}",
+        f"  Boundary: {state.boundary_condition}",
+        f"  Backend: {state.selected_backend}",
+        f"  Velocity: vx={state.vx_expr}, vy={state.vy_expr}, vz={state.vz_expr}",
+    ]
+    for line in config_lines:
+        log_to_console(line)
     
     last_logged_percent = 0
     def _progress_callback(percent):
@@ -836,6 +849,8 @@ def run_simulation():
             
             state.max_time_step = len(frames) - 1
             state.time_val = 0
+            # Build formatted time labels for slider thumb (e.g., "0.0", "0.5", "1.0", ...)
+            state.time_slider_labels = [f"{t:.1f}" for t in times] if times else [str(i) for i in range(len(frames))]
             state.simulation_has_run = True
             
             # The plotter is already updated by the function, but we ensure view update
@@ -1000,9 +1015,10 @@ def update_time_frame(time_val, **_):
             plotter.add_axes()
             plotter.show_grid()
             
-            # Update time label
+            # Update time label (use actual time from simulation_times)
             t_val = simulation_times[idx] if idx < len(simulation_times) else idx
-            plotter.add_text(f"Time: {t_val}", name="time_label", position="upper_right")
+            state.current_time_label = f"{t_val:.2f}" if isinstance(t_val, float) else str(t_val)
+            plotter.add_text(f"Time: {t_val:.2f}" if isinstance(t_val, float) else f"Time: {t_val}", name="time_label", position="upper_right")
             
             # Enable picking
             _ensure_point_picking(on_pick_point)
@@ -1255,7 +1271,7 @@ with SinglePageLayout(server) as layout:
                     with vuetify3.VCard(classes="mb-2"):
                         vuetify3.VCardTitle("Time", classes="text-subtitle-2 font-weight-bold text-primary")
                         with vuetify3.VCardText():
-                            vuetify3.VSlider(label="Time Steps", v_model=("time_steps", 100), min=0, max=2000, step=10, thumb_label="always", show_ticks="always", color="primary", density="compact", hide_details=True)
+                            vuetify3.VSlider(label="Total Time", v_model=("time_steps", 10), min=0, max=2000, step=10, thumb_label="always", show_ticks="always", color="primary", density="compact", hide_details=True)
                             vuetify3.VAlert(v_if="time_steps > 100", type="warning", variant="tonal", density="compact", children=["Warning: High time steps may increase runtime."], classes="mt-2")
 
                     # Backends
@@ -1374,17 +1390,21 @@ with SinglePageLayout(server) as layout:
                          
                          # Time Slider (visible only after simulation run)
                          with vuetify3.VContainer(v_if="simulation_has_run", classes="px-4 pb-4", style="width: 90%; flex: 0 0 auto;"):
-                             vuetify3.VSlider(
+                             with vuetify3.VSlider(
                                  v_model=("time_val", 0),
                                  min=0,
                                  max=("max_time_step", 10),
                                  step=1,
-                                 label="Time Step",
+                                 label="Time",
                                  thumb_label="always",
                                  density="compact",
                                  hide_details=True,
                                  color="primary"
-                             )
+                             ):
+                                 vuetify3.Template(
+                                     v_slot_thumb_label="{ modelValue }",
+                                     children=["{{ time_slider_labels[modelValue] || modelValue }}"]
+                                 )
 
                     # Console Window (In-column)
                     with vuetify3.VCard(classes="mt-1", style="font-size: 0.8rem; flex: 0 0 auto;"):