diff --git a/vna_system/binary_input/current_input.bin b/vna_system/binary_input/current_input.bin
index 7f4ad93..e701777 120000
--- a/vna_system/binary_input/current_input.bin
+++ b/vna_system/binary_input/current_input.bin
@@ -1 +1 @@
-config_inputs/s11_start100_stop8800_points1000_bw1khz.bin
\ No newline at end of file
+config_inputs/s21_start100_stop8800_points1000_bw1khz.bin
\ No newline at end of file
diff --git a/vna_system/core/config.py b/vna_system/core/config.py
index bac4961..ad1ebaf 100644
--- a/vna_system/core/config.py
+++ b/vna_system/core/config.py
@@ -14,7 +14,7 @@ API_PORT = 8000
 # -----------------------------------------------------------------------------
 # Logging settings (используются из main)
 # -----------------------------------------------------------------------------
-LOG_LEVEL = "INFO"                           # {"DEBUG","INFO","WARNING","ERROR","CRITICAL"}
+LOG_LEVEL = "DEBUG"                           # {"DEBUG","INFO","WARNING","ERROR","CRITICAL"}
 LOG_DIR = BASE_DIR / "logs"                  # Directory for application logs
 LOG_APP_FILE = LOG_DIR / "vna_system.log"    # Main application log file
 
@@ -73,4 +73,9 @@ SERIAL_DRAIN_DELAY = 0.05
 SERIAL_DRAIN_CHECK_DELAY = 0.01
 SERIAL_CONNECT_DELAY = 0.01
 
-PROCESSORS_CONFIG_DIR_PATH = "vna_system/core/processors/configs"
\ No newline at end of file
+PROCESSORS_CONFIG_DIR_PATH = "vna_system/core/processors/configs"
+
+# -----------------------------------------------------------------------------
+# Physical constants
+# -----------------------------------------------------------------------------
+SPEED_OF_LIGHT_M_S = 299_700_000.0  # Speed of light in meters per second
\ No newline at end of file
diff --git a/vna_system/core/processors/configs/bscan_config.json b/vna_system/core/processors/configs/bscan_config.json
index 15d18c4..96dcfe7 100644
--- a/vna_system/core/processors/configs/bscan_config.json
+++ b/vna_system/core/processors/configs/bscan_config.json
@@ -1,9 +1,9 @@
 {
   "open_air": true,
-  "axis": "real",
-  "data_limitation": null,
-  "cut": 0.824,
-  "max": 1.1,
+  "axis": "abs",
+  "data_limitation": "ph_only_1",
+  "cut": 0.945,
+  "max": 1.4,
   "gain": 1.2,
   "start_freq": 100.0,
   "stop_freq": 8800.0,
diff --git a/vna_system/core/processors/configs/magnitude_config.json b/vna_system/core/processors/configs/magnitude_config.json
index e45c548..a57d0e3 100644
--- a/vna_system/core/processors/configs/magnitude_config.json
+++ b/vna_system/core/processors/configs/magnitude_config.json
@@ -1,10 +1,5 @@
 {
-  "y_min": -90,
+  "y_min": -55,
   "y_max": 20,
-  "smoothing_enabled": true,
-  "smoothing_window": 17,
-  "marker_enabled": true,
-  "marker_frequency": 300000009.0,
-  "grid_enabled": true,
-  "reset_smoothing": false
+  "show_phase": true
 }
\ No newline at end of file
diff --git a/vna_system/core/processors/implementations/__init__.py b/vna_system/core/processors/implementations/__init__.py
deleted file mode 100644
index f7907d8..0000000
--- a/vna_system/core/processors/implementations/__init__.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from .magnitude_processor import MagnitudeProcessor
-from .phase_processor import PhaseProcessor
-from .smith_chart_processor import SmithChartProcessor
-
-__all__ = ['MagnitudeProcessor', 'PhaseProcessor', 'SmithChartProcessor']
\ No newline at end of file
diff --git a/vna_system/core/processors/implementations/bscan_processor.py b/vna_system/core/processors/implementations/bscan_processor.py
index 638ee04..8d5d2be 100644
--- a/vna_system/core/processors/implementations/bscan_processor.py
+++ b/vna_system/core/processors/implementations/bscan_processor.py
@@ -1,14 +1,15 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import Any, Final
+from typing import Any
 
 import numpy as np
 from numpy.typing import NDArray
 
 from vna_system.core.logging.logger import get_component_logger
-from vna_system.core.processors.base_processor import BaseProcessor, UIParameter
+from vna_system.core.processors.base_processor import BaseProcessor, UIParameter, ProcessedResult
 from vna_system.core.acquisition.sweep_buffer import SweepData
+from vna_system.core.config import SPEED_OF_LIGHT_M_S
 
 logger = get_component_logger(__file__)
 
@@ -26,18 +27,15 @@ class BScanProcessor(BaseProcessor):
     - Plot history accumulation for multi-sweep heatmaps
     """
 
-    # Physical and display-related constants
-    SPEED_OF_LIGHT_M_S: Final[float] = 299_700_000.0  # m/s
 
     def __init__(self, config_dir: Path) -> None:
         super().__init__("bscan", config_dir)
 
         # Increase history size for multi-sweep plotting
-        self.max_history = 10
+        self._max_history = 50
 
         # Local plot history (separate from sweep history maintained by BaseProcessor)
         self._plot_history: list[dict[str, Any]] = []
-        self._max_plot_history = 50
 
         logger.info("BScanProcessor initialized", processor_id=self.processor_id)
 
@@ -141,7 +139,9 @@ class BScanProcessor(BaseProcessor):
     def _clear_plot_history(self) -> None:
         """Clear the accumulated plot history."""
         with self._lock:
-            self._plot_history.clear()
+            latest = self._sweep_history[-1]
+            self._sweep_history.clear()
+            self._sweep_history.append(latest)
         logger.info("Plot history cleared", processor_id=self.processor_id)
 
     # -------------------------------------------------------------------------
@@ -161,7 +161,7 @@ class BScanProcessor(BaseProcessor):
         -------
         dict
             Keys: time_domain_data, distance_data, frequency_range, reference_used,
-                  axis_type, data_limitation, points_processed, plot_history_count
+                    axis_type, data_limitation, points_processed, plot_history_count
             Or: {"error": "..."} on failure.
         """
         try:
@@ -204,8 +204,8 @@ class BScanProcessor(BaseProcessor):
 
             with self._lock:
                 self._plot_history.append(plot_record)
-                if len(self._plot_history) > self._max_plot_history:
-                    self._plot_history = self._plot_history[-self._max_plot_history :]
+                if len(self._plot_history) > self._max_history:
+                    self._plot_history = self._plot_history[-self._max_history :]
 
             return {
                 "time_domain_data": analysis["time_data"].tolist(),
@@ -327,13 +327,65 @@ class BScanProcessor(BaseProcessor):
             "xaxis": {"title": "Sweep Number", "side": "top"},
             "yaxis": {"title": "Depth (m)", "autorange": "reversed"},
             "hovermode": "closest",
-            "height": 600,
-            "width": 500,
+            "height": 546,
             "template": "plotly_dark",
+            "margin": {"t": 30, "r": 50, "b": 50, "l": 50}, 
+            "autosize": True
         }
 
         return {"data": [heatmap_trace], "layout": layout}
 
+    # -------------------------------------------------------------------------
+    # Recalculation override
+    # -------------------------------------------------------------------------
+
+    def recalculate(self) -> ProcessedResult | None:
+        """
+        Recompute all plot history using current config settings.
+
+        Unlike the base implementation that processes only the latest sweep,
+        this method processes all sweep history to rebuild the complete heatmap.
+        """
+        with self._lock:
+            if not self._sweep_history:
+                logger.debug("Recalculate skipped; sweep history empty")
+                return None
+
+            # Clear existing plot history to rebuild from scratch
+            self._plot_history.clear()
+
+            # Process all sweeps in history with current config
+            for entry in self._sweep_history:
+                sweep_data = entry["sweep_data"]
+                calibrated_data = entry["calibrated_data"]
+                vna_config = entry["vna_config"]
+
+                # Use process_sweep to handle the processing logic
+                processed = self.process_sweep(sweep_data, calibrated_data, vna_config)
+
+                # Skip if processing failed
+                if "error" in processed:
+                    continue
+
+            # Trim plot history if needed
+            if len(self._plot_history) > self._max_history:
+                self._plot_history = self._plot_history[-self._max_history:]
+
+            logger.info("Recalculated B-scan with all history",
+                        plot_records=len(self._plot_history),
+                        sweep_records=len(self._sweep_history))
+
+            # Return the result based on the last sweep processed
+            if self._sweep_history:
+                latest = self._sweep_history[-1]
+                return self._process_data(
+                    latest["sweep_data"],
+                    latest["calibrated_data"],
+                    latest["vna_config"]
+                )
+
+            return None
+
     # -------------------------------------------------------------------------
     # Low-level helpers
     # -------------------------------------------------------------------------
@@ -502,7 +554,7 @@ class BScanProcessor(BaseProcessor):
             y = np.fft.ifft(H)
 
             # Convert time (s) to one-way distance (m): d = c * t
-            depth_m = t_sec * self.SPEED_OF_LIGHT_M_S
+            depth_m = t_sec * SPEED_OF_LIGHT_M_S
 
             if axis == "abs":
                 y_fin = np.abs(y)
diff --git a/vna_system/core/processors/implementations/magnitude_processor.py b/vna_system/core/processors/implementations/magnitude_processor.py
index 52077f0..c52a4fe 100644
--- a/vna_system/core/processors/implementations/magnitude_processor.py
+++ b/vna_system/core/processors/implementations/magnitude_processor.py
@@ -16,19 +16,16 @@ class MagnitudeProcessor(BaseProcessor):
     --------
     1) Derive frequency axis from VNA config (start/stop, N points).
     2) Compute |S| in dB per point (20*log10(|complex|), clamped for |complex|==0).
-    3) Optionally smooth using moving-average (odd window).
-    4) Provide Plotly configuration including an optional marker.
+    3) Generate Plotly configuration with parameter type in legend.
 
     Notes
     -----
     - `calibrated_data` is expected to be a `SweepData` with `.points: list[tuple[float,float]]`.
-    - Marker frequency is validated by BaseProcessor via `UIParameter(options=...)`.
+    - Parameter type (S11, S21, etc.) is extracted from VNA config for proper labeling.
     """
 
     def __init__(self, config_dir: Path) -> None:
         super().__init__("magnitude", config_dir)
-        # Internal state that can be reset via a UI "button"
-        self._smoothing_history: list[float] = []
 
     # ------------------------------------------------------------------ #
     # Core processing
@@ -61,8 +58,8 @@ class MagnitudeProcessor(BaseProcessor):
             return {"error": "Empty calibrated sweep"}
 
         # Frequency axis from VNA config (defaults if not provided)
-        start_freq = float(vna_config.get("start_frequency", 100e6))
-        stop_freq = float(vna_config.get("stop_frequency", 8.8e9))
+        start_freq = float(vna_config.get("start_freq", 100e6))
+        stop_freq = float(vna_config.get("stop_freq", 8.8e9))
 
         if n == 1:
             freqs = [start_freq]
@@ -72,84 +69,94 @@ class MagnitudeProcessor(BaseProcessor):
 
         # Magnitude in dB (clamp zero magnitude to -120 dB)
         mags_db: list[float] = []
-        for real, imag in points:
-            mag = abs(complex(real, imag))
-            mags_db.append(20.0 * np.log10(mag) if mag > 0.0 else -120.0)
+        phases_deg: list[float] = []
 
-        # Optional smoothing
-        if self._config.get("smoothing_enabled", False):
-            window = int(self._config.get("smoothing_window", 5))
-            mags_db = self._apply_moving_average(mags_db, window)
+        for real, imag in points:
+            complex_val = complex(real, imag)
+            mag = abs(complex_val)
+            mags_db.append(20.0 * np.log10(mag) if mag > 0.0 else -120.0)
+            phases_deg.append(np.degrees(np.angle(complex_val)))
 
         result = {
             "frequencies": freqs,
             "magnitudes_db": mags_db,
+            "phases_deg": phases_deg,
             "y_min": float(self._config.get("y_min", -80)),
             "y_max": float(self._config.get("y_max", 10)),
-            "marker_enabled": bool(self._config.get("marker_enabled", True)),
-            "marker_frequency": float(
-                self._config.get("marker_frequency", freqs[len(freqs) // 2] if freqs else 1e9)
-            ),
-            "grid_enabled": bool(self._config.get("grid_enabled", True)),
+            "show_phase": bool(self._config.get("show_phase", False)),
         }
         logger.debug("Magnitude sweep processed", points=n)
         return result
 
     def generate_plotly_config(self, processed_data: dict[str, Any], vna_config: dict[str, Any]) -> dict[str, Any]:
         """
-        Build a Plotly figure config for the magnitude trace and optional marker.
+        Build a Plotly figure config for the magnitude trace and optional phase.
         """
         if "error" in processed_data:
             return {"error": processed_data["error"]}
 
         freqs: list[float] = processed_data["frequencies"]
         mags_db: list[float] = processed_data["magnitudes_db"]
-        grid_enabled: bool = processed_data["grid_enabled"]
+        phases_deg: list[float] = processed_data["phases_deg"]
+        show_phase: bool = processed_data["show_phase"]
 
-        # Marker resolution
-        marker_freq: float = processed_data["marker_frequency"]
-        if freqs:
-            idx = min(range(len(freqs)), key=lambda i: abs(freqs[i] - marker_freq))
-            marker_mag = mags_db[idx]
-            marker_x = freqs[idx] / 1e9
-            marker_trace = {
-                "x": [marker_x],
-                "y": [marker_mag],
-                "type": "scatter",
-                "mode": "markers",
-                "name": f"Marker: {freqs[idx]/1e9:.3f} GHz, {marker_mag:.2f} dB",
-                "marker": {"color": "red", "size": 8, "symbol": "circle"},
-            }
-        else:
-            idx = 0
-            marker_trace = None
+        # Determine the parameter type from preset mode
+        parameter_type = vna_config["mode"].value.upper()  # Convert "s11" -> "S11", "s21" -> "S21"
+
+        # Convert Hz to GHz for x-axis
+        freqs_ghz = [f / 1e9 for f in freqs]
 
         traces = [
             {
-                "x": [f / 1e9 for f in freqs],  # Hz -> GHz
+                "x": freqs_ghz,
                 "y": mags_db,
                 "type": "scatter",
                 "mode": "lines",
-                "name": "Magnitude",
+                "name": f"|{parameter_type}| Magnitude",
                 "line": {"color": "blue", "width": 2},
+                "yaxis": "y",
             }
         ]
-        if processed_data["marker_enabled"] and marker_trace:
-            traces.append(marker_trace)
+
+        # Add phase trace if enabled
+        if show_phase:
+            traces.append({
+                "x": freqs_ghz,
+                "y": phases_deg,
+                "type": "scatter",
+                "mode": "lines",
+                "name": f"∠{parameter_type} Phase",
+                "line": {"color": "red", "width": 2},
+                "yaxis": "y2",
+            })
+
+        # Layout configuration
+        layout = {
+            "title": f"{parameter_type} Response",
+            "xaxis": {"title": "Frequency (GHz)", "showgrid": True},
+            "yaxis": {
+                "title": "Magnitude (dB)",
+                "range": [processed_data["y_min"], processed_data["y_max"]],
+                "showgrid": True,
+                "side": "left",
+            },
+            "hovermode": "x unified",
+            "showlegend": True,
+        }
+
+        # Add second y-axis for phase if enabled
+        if show_phase:
+            layout["yaxis2"] = {
+                "title": "Phase (°)",
+                "overlaying": "y",
+                "side": "right",
+                "showgrid": False,
+                "range": [-180, 180],
+            }
 
         fig = {
             "data": traces,
-            "layout": {
-                "title": "Magnitude Response",
-                "xaxis": {"title": "Frequency (GHz)", "showgrid": grid_enabled},
-                "yaxis": {
-                    "title": "Magnitude (dB)",
-                    "range": [processed_data["y_min"], processed_data["y_max"]],
-                    "showgrid": grid_enabled,
-                },
-                "hovermode": "x unified",
-                "showlegend": True,
-            },
+            "layout": layout,
         }
         return fig
 
@@ -158,13 +165,7 @@ class MagnitudeProcessor(BaseProcessor):
     # ------------------------------------------------------------------ #
     def get_ui_parameters(self) -> list[UIParameter]:
         """
-        UI/validation schema.
-
-        Conforms to BaseProcessor rules:
-        - slider: requires dtype + min/max/step alignment checks
-        - toggle: bool only
-        - input:  numeric only, with {"type": "int"|"float", "min"?, "max"?}
-        - button: {"action": "..."}; value ignored by validation
+        UI/validation schema for magnitude processor.
         """
         return [
             UIParameter(
@@ -172,56 +173,20 @@ class MagnitudeProcessor(BaseProcessor):
                 label="Y Axis Min (dB)",
                 type="slider",
                 value=self._config.get("y_min", -80),
-                options={"min": -120, "max": 0, "step": 5, "dtype": "int"},
+                options={"min": -80, "max": 20, "step": 5, "dtype": "int"},
             ),
             UIParameter(
                 name="y_max",
                 label="Y Axis Max (dB)",
                 type="slider",
                 value=self._config.get("y_max", 10),
-                options={"min": -20, "max": 20, "step": 5, "dtype": "int"},
+                options={"min": -20, "max": 40, "step": 5, "dtype": "int"},
             ),
             UIParameter(
-                name="smoothing_enabled",
-                label="Enable Smoothing",
+                name="show_phase",
+                label="Show Phase",
                 type="toggle",
-                value=self._config.get("smoothing_enabled", False),
-                options={},
-            ),
-            UIParameter(
-                name="smoothing_window",
-                label="Smoothing Window Size",
-                type="slider",
-                value=self._config.get("smoothing_window", 5),
-                options={"min": 3, "max": 21, "step": 2, "dtype": "int"},
-            ),
-            UIParameter(
-                name="marker_enabled",
-                label="Show Marker",
-                type="toggle",
-                value=self._config.get("marker_enabled", True),
-                options={},
-            ),
-            UIParameter(
-                name="marker_frequency",
-                label="Marker Frequency (Hz)",
-                type="input",
-                value=self._config.get("marker_frequency", 1e9),
-                options={"type": "float", "min": 100e6, "max": 8.8e9},
-            ),
-            UIParameter(
-                name="grid_enabled",
-                label="Show Grid",
-                type="toggle",
-                value=self._config.get("grid_enabled", True),
-                options={},
-            ),
-            UIParameter(
-                name="reset_smoothing",
-                label="Reset Smoothing",
-                type="button",
-                value=False,  # buttons carry no state; ignored by validator
-                options={"action": "Reset the smoothing filter state"},
+                value=self._config.get("show_phase", False),
             ),
         ]
 
@@ -230,64 +195,34 @@ class MagnitudeProcessor(BaseProcessor):
         return {
             "y_min": -80,
             "y_max": 10,
-            "smoothing_enabled": False,
-            "smoothing_window": 5,
-            "marker_enabled": True,
-            "marker_frequency": 1e9,
-            "grid_enabled": True,
+            "show_phase": False,
         }
 
-    # ------------------------------------------------------------------ #
-    # Config updates & actions
-    # ------------------------------------------------------------------ #
     def update_config(self, updates: dict[str, Any]) -> None:
         """
-        Apply config updates; handle UI buttons out-of-band.
-
-        Any key that corresponds to a button triggers an action when True and
-        is *not* persisted in the config. Other keys are forwarded to the
-        BaseProcessor (with type conversion + validation).
+        Update configuration with validation to ensure y_max > y_min.
         """
-        ui_params = {param.name: param for param in self.get_ui_parameters()}
-        button_actions: dict[str, bool] = {}
-        config_updates: dict[str, Any] = {}
+        # Apply base update first
+        super().update_config(updates)
 
-        for key, value in updates.items():
-            schema = ui_params.get(key)
-            if schema and schema.type == "button":
-                if value:
-                    button_actions[key] = True
-            else:
-                config_updates[key] = value
+        # Validate y_max > y_min after update
+        y_min = float(self._config.get("y_min", -80))
+        y_max = float(self._config.get("y_max", 10))
 
-        if config_updates:
-            super().update_config(config_updates)
+        if y_max <= y_min:
+            # Adjust y_max to be at least 5 dB above y_min
+            new_y_max = y_min + 5
+            # Clamp to maximum allowed value
+            max_allowed = 40
+            if new_y_max > max_allowed:
+                new_y_max = max_allowed
+                # If we hit the ceiling, adjust y_min instead
+                if new_y_max <= y_min:
+                    self._config["y_min"] = new_y_max - 5
 
-        # Execute button actions
-        if button_actions.get("reset_smoothing"):
-            self._smoothing_history.clear()
-            logger.info("Smoothing state reset via UI button")
+            self._config["y_max"] = new_y_max
+            self.save_config()
+            logger.info("Adjusted y_max to maintain y_max > y_min",
+                        y_min=self._config["y_min"],
+                        y_max=self._config["y_max"])
 
-    # ------------------------------------------------------------------ #
-    # Smoothing
-    # ------------------------------------------------------------------ #
-    @staticmethod
-    def _apply_moving_average(data: list[float], window_size: int) -> list[float]:
-        """
-        Centered moving average with clamped edges.
-
-        Requirements
-        ------------
-        - window_size must be odd and >= 3 (enforced by UI schema).
-        """
-        n = len(data)
-        if n == 0 or window_size <= 1 or window_size >= n:
-            return data
-
-        half = window_size // 2
-        out: list[float] = []
-        for i in range(n):
-            lo = max(0, i - half)
-            hi = min(n, i + half + 1)
-            out.append(sum(data[lo:hi]) / (hi - lo))
-        return out
diff --git a/vna_system/core/processors/implementations/phase_processor.py b/vna_system/core/processors/implementations/phase_processor.py
deleted file mode 100644
index b879710..0000000
--- a/vna_system/core/processors/implementations/phase_processor.py
+++ /dev/null
@@ -1,307 +0,0 @@
-import numpy as np
-from pathlib import Path
-from typing import Any
-
-from vna_system.core.logging.logger import get_component_logger
-from vna_system.core.processors.base_processor import BaseProcessor, UIParameter
-
-logger = get_component_logger(__file__)
-
-
-class PhaseProcessor(BaseProcessor):
-    """
-    Compute and visualize phase (degrees) over frequency from calibrated sweep data.
-
-    Pipeline
-    --------
-    1) Derive frequency axis from VNA config (start/stop, N points).
-    2) Compute phase in degrees from complex samples.
-    3) Optional simple unwrapping (+/-180° jumps) and offset.
-    4) Optional moving-average smoothing.
-    5) Provide Plotly configuration including an optional marker and reference line.
-    """
-
-    def __init__(self, config_dir: Path) -> None:
-        super().__init__("phase", config_dir)
-
-    # ------------------------------------------------------------------ #
-    # Core processing
-    # ------------------------------------------------------------------ #
-    def process_sweep(self, sweep_data: Any, calibrated_data: Any, vna_config: dict[str, Any]) -> dict[str, Any]:
-        """
-        Produce phase trace (degrees) and ancillary info from a calibrated sweep.
-
-        Returns
-        -------
-        dict[str, Any]
-            {
-              'frequencies': list[float],
-              'phases_deg': list[float],
-              'y_min': float,
-              'y_max': float,
-              'marker_enabled': bool,
-              'marker_frequency': float,
-              'grid_enabled': bool,
-              'reference_line_enabled': bool,
-              'reference_phase': float
-            }
-        """
-        if not calibrated_data or not hasattr(calibrated_data, "points"):
-            logger.warning("No calibrated data available for phase processing")
-            return {"error": "No calibrated data available"}
-
-        points: list[tuple[float, float]] = calibrated_data.points
-        n = len(points)
-        if n == 0:
-            logger.warning("Calibrated sweep contains zero points")
-            return {"error": "Empty calibrated sweep"}
-
-        # Frequency axis from VNA config (defaults if not provided)
-        start_freq = float(vna_config.get("start_frequency", 100e6))
-        stop_freq = float(vna_config.get("stop_frequency", 8.8e9))
-
-        if n == 1:
-            freqs = [start_freq]
-        else:
-            step = (stop_freq - start_freq) / (n - 1)
-            freqs = [start_freq + i * step for i in range(n)]
-
-        # Phase in degrees
-        phases_deg: list[float] = []
-        unwrap = bool(self._config.get("unwrap_phase", True))
-
-        for i, (real, imag) in enumerate(points):
-            z = complex(real, imag)
-            deg = float(np.degrees(np.angle(z)))
-
-            if unwrap and phases_deg:
-                diff = deg - phases_deg[-1]
-                if diff > 180.0:
-                    deg -= 360.0
-                elif diff < -180.0:
-                    deg += 360.0
-
-            phases_deg.append(deg)
-
-        # Offset
-        phase_offset = float(self._config.get("phase_offset", 0.0))
-        if phase_offset:
-            phases_deg = [p + phase_offset for p in phases_deg]
-
-        # Optional smoothing
-        if self._config.get("smoothing_enabled", False):
-            window = int(self._config.get("smoothing_window", 5))
-            phases_deg = self._apply_moving_average(phases_deg, window)
-
-        result = {
-            "frequencies": freqs,
-            "phases_deg": phases_deg,
-            "y_min": float(self._config.get("y_min", -180)),
-            "y_max": float(self._config.get("y_max", 180)),
-            "marker_enabled": bool(self._config.get("marker_enabled", True)),
-            "marker_frequency": float(
-                self._config.get("marker_frequency", freqs[len(freqs) // 2] if freqs else 1e9)
-            ),
-            "grid_enabled": bool(self._config.get("grid_enabled", True)),
-            "reference_line_enabled": bool(self._config.get("reference_line_enabled", False)),
-            "reference_phase": float(self._config.get("reference_phase", 0)),
-        }
-        logger.debug("Phase sweep processed", points=n)
-        return result
-
-    def generate_plotly_config(self, processed_data: dict[str, Any], vna_config: dict[str, Any]) -> dict[str, Any]:
-        """
-        Build a Plotly figure config for the phase trace, marker, and optional reference line.
-        """
-        if "error" in processed_data:
-            return {"error": processed_data["error"]}
-
-        freqs: list[float] = processed_data["frequencies"]
-        phases: list[float] = processed_data["phases_deg"]
-        grid_enabled: bool = processed_data["grid_enabled"]
-
-        # Marker
-        marker_freq: float = processed_data["marker_frequency"]
-        if freqs:
-            idx = min(range(len(freqs)), key=lambda i: abs(freqs[i] - marker_freq))
-            marker_y = phases[idx]
-            marker_trace = {
-                "x": [freqs[idx] / 1e9],
-                "y": [marker_y],
-                "type": "scatter",
-                "mode": "markers",
-                "name": f"Marker: {freqs[idx]/1e9:.3f} GHz, {marker_y:.1f}°",
-                "marker": {"color": "red", "size": 8, "symbol": "circle"},
-            }
-        else:
-            marker_trace = None
-
-        traces = [
-            {
-                "x": [f / 1e9 for f in freqs],  # Hz -> GHz
-                "y": phases,
-                "type": "scatter",
-                "mode": "lines",
-                "name": "Phase",
-                "line": {"color": "green", "width": 2},
-            }
-        ]
-        if processed_data["marker_enabled"] and marker_trace:
-            traces.append(marker_trace)
-
-        # Reference line
-        if processed_data["reference_line_enabled"] and freqs:
-            ref = float(processed_data["reference_phase"])
-            traces.append(
-                {
-                    "x": [freqs[0] / 1e9, freqs[-1] / 1e9],
-                    "y": [ref, ref],
-                    "type": "scatter",
-                    "mode": "lines",
-                    "name": f"Reference: {ref:.1f}°",
-                    "line": {"color": "gray", "width": 1, "dash": "dash"},
-                }
-            )
-
-        fig = {
-            "data": traces,
-            "layout": {
-                "title": "Phase Response",
-                "xaxis": {"title": "Frequency (GHz)", "showgrid": grid_enabled},
-                "yaxis": {
-                    "title": "Phase (degrees)",
-                    "range": [processed_data["y_min"], processed_data["y_max"]],
-                    "showgrid": grid_enabled,
-                },
-                "hovermode": "x unified",
-                "showlegend": True,
-            },
-        }
-        return fig
-
-    # ------------------------------------------------------------------ #
-    # UI schema
-    # ------------------------------------------------------------------ #
-    def get_ui_parameters(self) -> list[UIParameter]:
-        """
-        UI/validation schema (compatible with BaseProcessor's validators).
-        """
-        return [
-            UIParameter(
-                name="y_min",
-                label="Y Axis Min (degrees)",
-                type="slider",
-                value=self._config.get("y_min", -180),
-                options={"min": -360, "max": 0, "step": 15, "dtype": "int"},
-            ),
-            UIParameter(
-                name="y_max",
-                label="Y Axis Max (degrees)",
-                type="slider",
-                value=self._config.get("y_max", 180),
-                options={"min": 0, "max": 360, "step": 15, "dtype": "int"},
-            ),
-            UIParameter(
-                name="unwrap_phase",
-                label="Unwrap Phase",
-                type="toggle",
-                value=self._config.get("unwrap_phase", True),
-                options={},
-            ),
-            UIParameter(
-                name="phase_offset",
-                label="Phase Offset (degrees)",
-                type="slider",
-                value=self._config.get("phase_offset", 0),
-                options={"min": -180, "max": 180, "step": 5, "dtype": "int"},
-            ),
-            UIParameter(
-                name="smoothing_enabled",
-                label="Enable Smoothing",
-                type="toggle",
-                value=self._config.get("smoothing_enabled", False),
-                options={},
-            ),
-            UIParameter(
-                name="smoothing_window",
-                label="Smoothing Window Size",
-                type="slider",
-                value=self._config.get("smoothing_window", 5),
-                options={"min": 3, "max": 21, "step": 2, "dtype": "int"},
-            ),
-            UIParameter(
-                name="marker_enabled",
-                label="Show Marker",
-                type="toggle",
-                value=self._config.get("marker_enabled", True),
-                options={},
-            ),
-            UIParameter(
-                name="marker_frequency",
-                label="Marker Frequency (Hz)",
-                type="input",
-                value=self._config.get("marker_frequency", 1e9),
-                options={"type": "float", "min": 100e6, "max": 8.8e9},
-            ),
-            UIParameter(
-                name="reference_line_enabled",
-                label="Show Reference Line",
-                type="toggle",
-                value=self._config.get("reference_line_enabled", False),
-                options={},
-            ),
-            UIParameter(
-                name="reference_phase",
-                label="Reference Phase (degrees)",
-                type="slider",
-                value=self._config.get("reference_phase", 0),
-                options={"min": -180, "max": 180, "step": 15, "dtype": "int"},
-            ),
-            UIParameter(
-                name="grid_enabled",
-                label="Show Grid",
-                type="toggle",
-                value=self._config.get("grid_enabled", True),
-                options={},
-            ),
-        ]
-
-    def _get_default_config(self) -> dict[str, Any]:
-        """Defaults aligned with the UI schema."""
-        return {
-            "y_min": -180,
-            "y_max": 180,
-            "unwrap_phase": True,
-            "phase_offset": 0,
-            "smoothing_enabled": False,
-            "smoothing_window": 5,
-            "marker_enabled": True,
-            "marker_frequency": 1e9,
-            "reference_line_enabled": False,
-            "reference_phase": 0,
-            "grid_enabled": True,
-        }
-
-    # ------------------------------------------------------------------ #
-    # Smoothing
-    # ------------------------------------------------------------------ #
-    @staticmethod
-    def _apply_moving_average(data: list[float], window_size: int) -> list[float]:
-        """
-        Centered moving average with clamped edges.
-
-        Requirements
-        ------------
-        - `window_size` must be odd and >= 3 (enforced by UI schema).
-        """
-        n = len(data)
-        if n == 0 or window_size <= 1 or window_size >= n:
-            return data
-
-        half = window_size // 2
-        out: list[float] = []
-        for i in range(n):
-            lo = max(0, i - half)
-            hi = min(n, i + half + 1)
-            out.append(sum(data[lo:hi]) / (hi - lo))
-        return out
diff --git a/vna_system/core/processors/implementations/smith_chart_processor.py b/vna_system/core/processors/implementations/smith_chart_processor.py
deleted file mode 100644
index f6b01d9..0000000
--- a/vna_system/core/processors/implementations/smith_chart_processor.py
+++ /dev/null
@@ -1,303 +0,0 @@
-import numpy as np
-from typing import Dict, Any, List
-from pathlib import Path
-
-from ..base_processor import BaseProcessor, UIParameter
-
-
-class SmithChartProcessor(BaseProcessor):
-    def __init__(self, config_dir: Path):
-        super().__init__("smith_chart", config_dir)
-
-    def process_sweep(self, sweep_data: Any, calibrated_data: Any, vna_config: Dict[str, Any]) -> Dict[str, Any]:
-        if not calibrated_data or not hasattr(calibrated_data, 'points'):
-            return {'error': 'No calibrated data available'}
-
-        frequencies = []
-        real_parts = []
-        imag_parts = []
-        reflection_coeffs = []
-
-        for i, (real, imag) in enumerate(calibrated_data.points):
-            complex_val = complex(real, imag)
-
-            # Calculate frequency
-            start_freq = vna_config.get('start_frequency', 100e6)
-            stop_freq = vna_config.get('stop_frequency', 8.8e9)
-            total_points = len(calibrated_data.points)
-            frequency = start_freq + (stop_freq - start_freq) * i / (total_points - 1)
-
-            frequencies.append(frequency)
-            real_parts.append(real)
-            imag_parts.append(imag)
-            reflection_coeffs.append(complex_val)
-
-        # Convert to impedance if requested
-        impedance_mode = self._config.get('impedance_mode', False)
-        z0 = self._config.get('reference_impedance', 50)
-
-        if impedance_mode:
-            impedances = [(z0 * (1 + gamma) / (1 - gamma)) for gamma in reflection_coeffs]
-            plot_real = [z.real for z in impedances]
-            plot_imag = [z.imag for z in impedances]
-        else:
-            plot_real = real_parts
-            plot_imag = imag_parts
-
-        return {
-            'frequencies': frequencies,
-            'real_parts': plot_real,
-            'imag_parts': plot_imag,
-            'impedance_mode': impedance_mode,
-            'reference_impedance': z0,
-            'marker_enabled': self._config.get('marker_enabled', True),
-            'marker_frequency': self._config.get('marker_frequency', frequencies[len(frequencies)//2] if frequencies else 1e9),
-            'grid_circles': self._config.get('grid_circles', True),
-            'grid_radials': self._config.get('grid_radials', True),
-            'trace_color_mode': self._config.get('trace_color_mode', 'frequency')
-        }
-
-    def generate_plotly_config(self, processed_data: Dict[str, Any], vna_config: Dict[str, Any]) -> Dict[str, Any]:
-        if 'error' in processed_data:
-            return {'error': processed_data['error']}
-
-        real_parts = processed_data['real_parts']
-        imag_parts = processed_data['imag_parts']
-        frequencies = processed_data['frequencies']
-
-        # Find marker point
-        marker_freq = processed_data['marker_frequency']
-        marker_idx = min(range(len(frequencies)), key=lambda i: abs(frequencies[i] - marker_freq))
-
-        # Create main trace
-        trace_config = {
-            'x': real_parts,
-            'y': imag_parts,
-            'type': 'scatter',
-            'mode': 'lines+markers',
-            'marker': {'size': 3},
-            'line': {'width': 2}
-        }
-
-        if processed_data['trace_color_mode'] == 'frequency':
-            # Color by frequency
-            trace_config['marker']['color'] = [f / 1e9 for f in frequencies]
-            trace_config['marker']['colorscale'] = 'Viridis'
-            trace_config['marker']['showscale'] = True
-            trace_config['marker']['colorbar'] = {'title': 'Frequency (GHz)'}
-            trace_config['name'] = 'S11 (colored by frequency)'
-        else:
-            trace_config['marker']['color'] = 'blue'
-            trace_config['name'] = 'S11'
-
-        traces = [trace_config]
-
-        # Add marker if enabled
-        if processed_data['marker_enabled']:
-            marker_real = real_parts[marker_idx]
-            marker_imag = imag_parts[marker_idx]
-
-            if processed_data['impedance_mode']:
-                marker_label = f'Z = {marker_real:.1f} + j{marker_imag:.1f} Ω'
-            else:
-                marker_label = f'Γ = {marker_real:.3f} + j{marker_imag:.3f}'
-
-            traces.append({
-                'x': [marker_real],
-                'y': [marker_imag],
-                'type': 'scatter',
-                'mode': 'markers',
-                'name': f'Marker: {frequencies[marker_idx]/1e9:.3f} GHz<br>{marker_label}',
-                'marker': {'color': 'red', 'size': 10, 'symbol': 'diamond'}
-            })
-
-        # Add Smith chart grid if not in impedance mode
-        if not processed_data['impedance_mode']:
-            if processed_data['grid_circles']:
-                traces.extend(self._generate_smith_circles())
-            if processed_data['grid_radials']:
-                traces.extend(self._generate_smith_radials())
-
-        # Layout configuration
-        if processed_data['impedance_mode']:
-            layout = {
-                'title': f'Impedance Plot (Z₀ = {processed_data["reference_impedance"]} Ω)',
-                'xaxis': {'title': 'Resistance (Ω)', 'showgrid': True, 'zeroline': True},
-                'yaxis': {'title': 'Reactance (Ω)', 'showgrid': True, 'zeroline': True, 'scaleanchor': 'x'},
-                'hovermode': 'closest'
-            }
-        else:
-            layout = {
-                'title': 'Smith Chart',
-                'xaxis': {
-                    'title': 'Real Part',
-                    'range': [-1.1, 1.1],
-                    'showgrid': False,
-                    'zeroline': False,
-                    'showticklabels': True
-                },
-                'yaxis': {
-                    'title': 'Imaginary Part',
-                    'range': [-1.1, 1.1],
-                    'showgrid': False,
-                    'zeroline': False,
-                    'scaleanchor': 'x',
-                    'scaleratio': 1
-                },
-                'hovermode': 'closest'
-            }
-
-        layout['showlegend'] = True
-
-        return {
-            'data': traces,
-            'layout': layout
-        }
-
-    def _generate_smith_circles(self) -> List[Dict[str, Any]]:
-        circles = []
-        # Constant resistance circles
-        for r in [0, 0.2, 0.5, 1, 2, 5]:
-            if r == 0:
-                # Unit circle
-                theta = np.linspace(0, 2*np.pi, 100)
-                x = np.cos(theta)
-                y = np.sin(theta)
-            else:
-                center_x = r / (r + 1)
-                radius = 1 / (r + 1)
-                theta = np.linspace(0, 2*np.pi, 100)
-                x = center_x + radius * np.cos(theta)
-                y = radius * np.sin(theta)
-
-            circles.append({
-                'x': x.tolist(),
-                'y': y.tolist(),
-                'type': 'scatter',
-                'mode': 'lines',
-                'line': {'color': 'lightgray', 'width': 1},
-                'showlegend': False,
-                'hoverinfo': 'skip'
-            })
-
-        # Constant reactance circles
-        for x in [-5, -2, -1, -0.5, -0.2, 0.2, 0.5, 1, 2, 5]:
-            if abs(x) < 1e-10:
-                continue
-            center_y = 1/x
-            radius = abs(1/x)
-            theta = np.linspace(-np.pi, np.pi, 100)
-            circle_x = 1 + radius * np.cos(theta)
-            circle_y = center_y + radius * np.sin(theta)
-
-            # Clip to unit circle
-            valid_points = circle_x**2 + circle_y**2 <= 1.01
-            circle_x = circle_x[valid_points]
-            circle_y = circle_y[valid_points]
-
-            if len(circle_x) > 0:
-                circles.append({
-                    'x': circle_x.tolist(),
-                    'y': circle_y.tolist(),
-                    'type': 'scatter',
-                    'mode': 'lines',
-                    'line': {'color': 'lightblue', 'width': 1},
-                    'showlegend': False,
-                    'hoverinfo': 'skip'
-                })
-
-        return circles
-
-    def _generate_smith_radials(self) -> List[Dict[str, Any]]:
-        radials = []
-        # Radial lines for constant phase
-        for angle_deg in range(0, 360, 30):
-            angle_rad = np.radians(angle_deg)
-            x = [0, np.cos(angle_rad)]
-            y = [0, np.sin(angle_rad)]
-
-            radials.append({
-                'x': x,
-                'y': y,
-                'type': 'scatter',
-                'mode': 'lines',
-                'line': {'color': 'lightgray', 'width': 1, 'dash': 'dot'},
-                'showlegend': False,
-                'hoverinfo': 'skip'
-            })
-
-        return radials
-
-    def get_ui_parameters(self) -> List[UIParameter]:
-        return [
-            UIParameter(
-                name='impedance_mode',
-                label='Impedance Plot Mode',
-                type='toggle',
-                value=self._config.get('impedance_mode', False)
-            ),
-            UIParameter(
-                name='reference_impedance',
-                label='Reference Impedance (Ω)',
-                type='select',
-                value=self._config.get('reference_impedance', 50),
-                options={'choices': [25, 50, 75, 100, 600]}
-            ),
-            UIParameter(
-                name='marker_enabled',
-                label='Show Marker',
-                type='toggle',
-                value=self._config.get('marker_enabled', True)
-            ),
-            UIParameter(
-                name='marker_frequency',
-                label='Marker Frequency (Hz)',
-                type='input',
-                value=self._config.get('marker_frequency', 1e9),
-                options={'type': 'number', 'min': 100e6, 'max': 8.8e9}
-            ),
-            UIParameter(
-                name='grid_circles',
-                label='Show Impedance Circles',
-                type='toggle',
-                value=self._config.get('grid_circles', True)
-            ),
-            UIParameter(
-                name='grid_radials',
-                label='Show Phase Radials',
-                type='toggle',
-                value=self._config.get('grid_radials', True)
-            ),
-            UIParameter(
-                name='trace_color_mode',
-                label='Trace Color Mode',
-                type='select',
-                value=self._config.get('trace_color_mode', 'frequency'),
-                options={'choices': ['frequency', 'solid']}
-            )
-        ]
-
-    def _get_default_config(self) -> Dict[str, Any]:
-        return {
-            'impedance_mode': False,
-            'reference_impedance': 50,
-            'marker_enabled': True,
-            'marker_frequency': 1e9,
-            'grid_circles': True,
-            'grid_radials': True,
-            'trace_color_mode': 'frequency'
-        }
-
-    def _validate_config(self):
-        required_keys = ['impedance_mode', 'reference_impedance', 'marker_enabled',
-                        'marker_frequency', 'grid_circles', 'grid_radials', 'trace_color_mode']
-
-        for key in required_keys:
-            if key not in self._config:
-                raise ValueError(f"Missing required config key: {key}")
-
-        if self._config['reference_impedance'] <= 0:
-            raise ValueError("reference_impedance must be positive")
-
-        if self._config['trace_color_mode'] not in ['frequency', 'solid']:
-            raise ValueError("trace_color_mode must be 'frequency' or 'solid'")
\ No newline at end of file
diff --git a/vna_system/core/processors/manager.py b/vna_system/core/processors/manager.py
index 6c3ccae..c0e5be1 100644
--- a/vna_system/core/processors/manager.py
+++ b/vna_system/core/processors/manager.py
@@ -267,11 +267,11 @@ class ProcessorManager:
         we log an error and keep going with whatever is available.
         """
         try:
-            from .implementations import MagnitudeProcessor, PhaseProcessor, SmithChartProcessor
+            from .implementations.magnitude_processor import MagnitudeProcessor
             from .implementations.bscan_processor import BScanProcessor
 
             self.register_processor(MagnitudeProcessor(self.config_dir))
-            self.register_processor(PhaseProcessor(self.config_dir))
+            # self.register_processor(PhaseProcessor(self.config_dir))
             self.register_processor(BScanProcessor(self.config_dir))
             # self.register_processor(SmithChartProcessor(self.config_dir))
 
diff --git a/vna_system/core/processors/websocket_handler.py b/vna_system/core/processors/websocket_handler.py
index c68861b..c5c6fd0 100644
--- a/vna_system/core/processors/websocket_handler.py
+++ b/vna_system/core/processors/websocket_handler.py
@@ -84,6 +84,14 @@ class ProcessorWebSocketHandler:
     # --------------------------------------------------------------------- #
     async def handle_message(self, websocket: WebSocket, data: str) -> None:
         """Parse and route an inbound client message."""
+        # Handle ping/pong messages first (they are not JSON)
+        if data == "ping":
+            await websocket.send_text("pong")
+            return
+        elif data == "pong":
+            # Just acknowledge, no response needed
+            return
+
         try:
             message = json.loads(data)
             mtype = message.get("type")
@@ -94,8 +102,15 @@ class ProcessorWebSocketHandler:
                 await self._handle_get_history(websocket, message)
             else:
                 await self._send_error(websocket, f"Unknown message type: {mtype!r}")
-        except json.JSONDecodeError:
-            await self._send_error(websocket, "Invalid JSON format")
+        except json.JSONDecodeError as json_error:
+            logger.error("JSON decode error", raw_data=data[:200], error=str(json_error))
+            await self._send_error(
+                websocket,
+                "Invalid JSON format",
+                details=f"JSON parse error: {json_error}",
+                source="websocket_handler",
+                raw_data=data[:200] if len(data) <= 200 else f"{data[:200]}..."
+            )
         except Exception as exc:  # noqa: BLE001
             logger.error("Error handling websocket message")
             await self._send_error(websocket, f"Internal error: {exc}")
@@ -170,7 +185,16 @@ class ProcessorWebSocketHandler:
             "metadata": result.metadata,
         }
 
-    async def _send_error(self, websocket: WebSocket, message: str) -> None:
+    async def _send_error(
+        self,
+        websocket: WebSocket,
+        message: str,
+        *,
+        details: str | None = None,
+        source: str | None = None,
+        code: str | None = None,
+        raw_data: str | None = None
+    ) -> None:
         """Send a standardized error payload to a single client."""
         try:
             payload = {
@@ -178,6 +202,17 @@ class ProcessorWebSocketHandler:
                 "message": message,
                 "timestamp": datetime.now().timestamp(),
             }
+
+            # Add optional fields if provided
+            if details:
+                payload["details"] = details
+            if source:
+                payload["source"] = source
+            if code:
+                payload["code"] = code
+            if raw_data:
+                payload["raw_data"] = raw_data
+
             await websocket.send_text(json.dumps(payload))
         except Exception as exc:  # noqa: BLE001
             logger.error("Error sending error message", error=repr(exc))
diff --git a/vna_system/web_ui/static/css/charts.css b/vna_system/web_ui/static/css/charts.css
index 14c3f7a..96b6914 100644
--- a/vna_system/web_ui/static/css/charts.css
+++ b/vna_system/web_ui/static/css/charts.css
@@ -57,23 +57,38 @@
 .chart-card:fullscreen .chart-card__header {
   flex-shrink: 0;
   padding: var(--space-3) var(--space-4);
+  border-bottom: 1px solid var(--border-primary);
 }
 
 .chart-card:fullscreen .chart-card__content {
   flex: 1;
   display: flex;
-  flex-direction: column;
+  flex-direction: row !important; /* Горизонтальное расположение вместо колонки */
   padding: var(--space-2);
   min-height: 0;
+  height: calc(100vh - 80px); /* Вычитаем высоту header и meta */
+  gap: var(--space-4);
 }
 
 .chart-card:fullscreen .chart-card__plot {
   flex: 1 !important;
-  width: 100% !important;
+  width: calc(100% - 270px) !important; /* Учитываем ширину настроек + gap */
   height: 100% !important;
   min-height: 0 !important;
 }
 
+.chart-card:fullscreen .chart-card__settings {
+  width: 250px !important;
+  flex-shrink: 0 !important;
+  height: 100% !important; /* Занимает всю доступную высоту */
+  max-height: none !important; /* Убираем ограничение высоты */
+  overflow-y: auto !important;
+  background-color: var(--bg-secondary);
+  border: 1px solid var(--border-primary);
+  border-radius: var(--radius-lg);
+  padding: var(--space-3);
+}
+
 .chart-card:fullscreen .chart-card__plot .js-plotly-plot {
   width: 100% !important;
   height: 100% !important;
@@ -84,9 +99,23 @@
   height: 100% !important;
 }
 
+/* Plotly specific fullscreen adjustments */
+.chart-card:fullscreen .chart-card__plot .plotly {
+  width: 100% !important;
+  height: 100% !important;
+}
+
+/* Force Plotly to use full available height in fullscreen */
+.chart-card:fullscreen .chart-card__plot .js-plotly-plot,
+.chart-card:fullscreen .chart-card__plot .js-plotly-plot > div {
+  height: calc(100vh - 120px) !important; /* Вычитаем высоту header + padding + meta */
+  min-height: calc(100vh - 120px) !important;
+}
+
 .chart-card:fullscreen .chart-card__meta {
   flex-shrink: 0;
   padding: var(--space-2) var(--space-4);
+  border-top: 1px solid var(--border-primary);
 }
 
 /* Chart loading state */
diff --git a/vna_system/web_ui/static/css/components.css b/vna_system/web_ui/static/css/components.css
index 9032e66..93d94da 100644
--- a/vna_system/web_ui/static/css/components.css
+++ b/vna_system/web_ui/static/css/components.css
@@ -276,14 +276,14 @@
   display: flex;
   position: relative;
   padding: var(--space-4);
-  min-height: 450px;
+  min-height: 585px; /* Увеличено на 30%: 450 * 1.3 = 585 */
   gap: var(--space-4);
 }
 
 .chart-card__plot {
   flex: 1;
-  height: 420px !important;
-  min-height: 400px;
+  height: 546px !important; /* Увеличено на 30%: 420 * 1.3 = 546 */
+  min-height: 520px; /* Увеличено на 30%: 400 * 1.3 = 520 */
   position: relative;
   min-width: 0; /* Allows flex item to shrink */
 }
@@ -296,7 +296,7 @@
   border-radius: var(--radius-lg);
   padding: var(--space-3);
   overflow-y: auto;
-  max-height: 420px;
+  max-height: 546px; /* Увеличено на 30%: 420 * 1.3 = 546 */
 }
 
 .chart-card__plot .js-plotly-plot {
@@ -312,7 +312,7 @@
 /* Fix Plotly toolbar positioning with project design system */
 .chart-card__plot .modebar {
   position: absolute !important;
-  top: var(--space-3) !important;
+  top: 4px !important; /* Максимально высоко - минимальный отступ */
   right: var(--space-3) !important;
   z-index: 1000 !important;
   background: var(--bg-surface) !important;
@@ -381,6 +381,24 @@
   transform: translateY(-1px) !important;
 }
 
+/* Plotly title positioning to avoid overlapping with modebar */
+.chart-card__plot .gtitle {
+  margin-top: -10px !important; /* Поднимаем заголовок на уровень кнопок управления */
+  margin-bottom: 25px !important; /* Увеличенный отступ от подписей осей */
+}
+
+/* Plotly chart area adjustment for better spacing */
+.chart-card__plot .plotly .main-svg {
+  padding-top: 40px !important; /* Уменьшенный отступ сверху */
+  padding-right: 8px !important;
+}
+
+/* Positioning for axis titles to avoid overlap with main title */
+.chart-card__plot .xtitle,
+.chart-card__plot .ytitle {
+  margin-top: 15px !important; /* Увеличенный отступ для подписей осей */
+}
+
 .chart-card__meta {
   display: flex;
   justify-content: space-between;
diff --git a/vna_system/web_ui/static/js/modules/websocket.js b/vna_system/web_ui/static/js/modules/websocket.js
index 6f4e2c4..8951057 100644
--- a/vna_system/web_ui/static/js/modules/websocket.js
+++ b/vna_system/web_ui/static/js/modules/websocket.js
@@ -165,9 +165,18 @@ export class WebSocketManager {
                     this.emit('processor_history', payload);
                     break;
                 case 'error':
-                    console.error('🔴 Server error:', payload.message);
+                    console.error('🔴 Server error:', payload);
+                    console.error('🔴 Error details:', {
+                        message: payload.message,
+                        code: payload.code,
+                        details: payload.details,
+                        timestamp: payload.timestamp,
+                        source: payload.source
+                    });
                     this.notifications?.show?.({
-                        type: 'error', title: 'Server Error', message: payload.message
+                        type: 'error',
+                        title: 'Server Error',
+                        message: `${payload.message}${payload.details ? ` - ${payload.details}` : ''}${payload.source ? ` (${payload.source})` : ''}`
                     });
                     break;
                 default: