From facff2b4f8aac8a2821c8b27a2ca17de29915a7e Mon Sep 17 00:00:00 2001
From: Ayzen <ayzen>
Date: Tue, 30 Sep 2025 18:09:50 +0300
Subject: [PATCH] updated view and added calibration deletion

---
 vna_system/api/endpoints/settings.py          |   30 +
 vna_system/binary_input/current_input.bin     |    2 +-
 vna_system/calibration/current_calibration    |    1 +
 .../яыф/calibration_info.json                 |   18 -
 .../яыф/load.json                             | 4007 -----------------
 .../яыф/load_metadata.json                    |   16 -
 .../яыф/open.json                             | 4007 -----------------
 .../яыф/open_metadata.json                    |   16 -
 .../яыф/short.json                            | 4007 -----------------
 .../яыф/short_metadata.json                   |   16 -
 .../core/processors/configs/bscan_config.json |    6 +-
 .../processors/configs/magnitude_config.json  |    2 +-
 .../implementations/bscan_processor.py        |    4 +
 vna_system/core/settings/settings_manager.py  |    6 +-
 vna_system/scripts/start.sh                   |    9 -
 vna_system/web_ui/static/css/settings.css     |   65 +-
 .../web_ui/static/js/modules/acquisition.js   |   28 +-
 .../web_ui/static/js/modules/constants.js     |    1 +
 .../web_ui/static/js/modules/settings.js      |   16 +-
 .../modules/settings/calibration-manager.js   |   75 +-
 .../js/modules/settings/preset-manager.js     |   61 +-
 .../js/modules/settings/reference-manager.js  |   75 +-
 vna_system/web_ui/templates/index.html        |   42 +-
 23 files changed, 327 insertions(+), 12183 deletions(-)
 create mode 120000 vna_system/calibration/current_calibration
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/calibration_info.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load_metadata.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open_metadata.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short.json
 delete mode 100644 vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short_metadata.json

diff --git a/vna_system/api/endpoints/settings.py b/vna_system/api/endpoints/settings.py
index 440a418..d371936 100644
--- a/vna_system/api/endpoints/settings.py
+++ b/vna_system/api/endpoints/settings.py
@@ -621,3 +621,33 @@ async def delete_reference(reference_name: str, preset_filename: str | None = No
         logger.error("Failed to delete reference", name=reference_name, error=repr(exc))
         raise HTTPException(status_code=500, detail=str(exc))
 
+
+@router.delete("/calibration/{calibration_name}")
+async def delete_calibration(calibration_name: str, preset_filename: str | None = None) -> dict[str, Any]:
+    """Delete a calibration set."""
+    try:
+        settings_manager = singletons.settings_manager
+
+        if preset_filename:
+            preset = next(
+                (p for p in settings_manager.get_available_presets() if p.filename == preset_filename),
+                None
+            )
+            if not preset:
+                raise HTTPException(status_code=404, detail=f"Preset '{preset_filename}' not found")
+        else:
+            preset = settings_manager.get_current_preset()
+            if not preset:
+                raise HTTPException(status_code=400, detail="No current preset set and no preset_filename provided")
+
+        settings_manager.delete_calibration(preset, calibration_name)
+
+        return {
+            "success": True,
+            "message": f"Calibration '{calibration_name}' deleted"
+        }
+    except HTTPException:
+        raise
+    except Exception as exc:  # noqa: BLE001
+        logger.error("Failed to delete calibration", name=calibration_name, error=repr(exc))
+        raise HTTPException(status_code=500, detail=str(exc))
diff --git a/vna_system/binary_input/current_input.bin b/vna_system/binary_input/current_input.bin
index e701777..7f4ad93 120000
--- a/vna_system/binary_input/current_input.bin
+++ b/vna_system/binary_input/current_input.bin
@@ -1 +1 @@
-config_inputs/s21_start100_stop8800_points1000_bw1khz.bin
\ No newline at end of file
+config_inputs/s11_start100_stop8800_points1000_bw1khz.bin
\ No newline at end of file
diff --git a/vna_system/calibration/current_calibration b/vna_system/calibration/current_calibration
new file mode 120000
index 0000000..2aef83a
--- /dev/null
+++ b/vna_system/calibration/current_calibration
@@ -0,0 +1 @@
+s11_start100_stop8800_points1000_bw1khz/еуыеуые
\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/calibration_info.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/calibration_info.json
deleted file mode 100644
index 41b6e70..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/calibration_info.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "preset": {
-    "filename": "s11_start100_stop8800_points1000_bw1khz.bin",
-    "mode": "s11",
-    "start_freq": 100000000.0,
-    "stop_freq": 8800000000.0,
-    "points": 1000,
-    "bandwidth": 1000.0
-  },
-  "calibration_name": "яыф",
-  "standards": [
-    "open",
-    "load",
-    "short"
-  ],
-  "created_timestamp": "2025-09-26T17:20:00.022650",
-  "is_complete": true
-}
\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load.json
deleted file mode 100644
index 9824a6b..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load.json
+++ /dev/null
@@ -1,4007 +0,0 @@
-{
-  "sweep_number": 12,
-  "timestamp": 1758896376.33808,
-  "points": [
-    [
-      -2.672412872314453,
-      0.44942471385002136
-    ],
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-      -2.665140151977539,
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-    ],
-    [
-      -2.6450717449188232,
-      0.6348942518234253
-    ],
-    [
-      -2.633969783782959,
-      0.6958639621734619
-    ],
-    [
-      -3.4072988033294678,
-      0.9295109510421753
-    ],
-    [
-      -3.3898448944091797,
-      1.0027321577072144
-    ],
-    [
-      -3.37446665763855,
-      1.0809111595153809
-    ],
-    [
-      -3.351916790008545,
-      1.1594840288162231
-    ],
-    [
-      -3.3281760215759277,
-      1.2352432012557983
-    ],
-    [
-      -3.3081307411193848,
-      1.3111613988876343
-    ],
-    [
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\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load_metadata.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load_metadata.json
deleted file mode 100644
index 3187faf..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/load_metadata.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "preset": {
-    "filename": "s11_start100_stop8800_points1000_bw1khz.bin",
-    "mode": "s11",
-    "start_freq": 100000000.0,
-    "stop_freq": 8800000000.0,
-    "points": 1000,
-    "bandwidth": 1000.0
-  },
-  "calibration_name": "яыф",
-  "standard": "load",
-  "sweep_number": 12,
-  "sweep_timestamp": 1758896376.33808,
-  "created_timestamp": "2025-09-26T17:20:00.020322",
-  "total_points": 1000
-}
\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open.json
deleted file mode 100644
index ff27788..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open.json
+++ /dev/null
@@ -1,4007 +0,0 @@
-{
-  "sweep_number": 17,
-  "timestamp": 1758896395.4880857,
-  "points": [
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\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open_metadata.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open_metadata.json
deleted file mode 100644
index d4fba35..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/open_metadata.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "preset": {
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-    "mode": "s11",
-    "start_freq": 100000000.0,
-    "stop_freq": 8800000000.0,
-    "points": 1000,
-    "bandwidth": 1000.0
-  },
-  "calibration_name": "яыф",
-  "standard": "open",
-  "sweep_number": 17,
-  "sweep_timestamp": 1758896395.4880857,
-  "created_timestamp": "2025-09-26T17:20:00.016886",
-  "total_points": 1000
-}
\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short.json
deleted file mode 100644
index 02a24fe..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short.json
+++ /dev/null
@@ -1,4007 +0,0 @@
-{
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-      -4.113344669342041,
-      -7.517468452453613
-    ],
-    [
-      -4.368183135986328,
-      -7.506117820739746
-    ],
-    [
-      -4.8009867668151855,
-      -7.406807899475098
-    ],
-    [
-      -5.047353744506836,
-      -7.236881256103516
-    ],
-    [
-      -5.356578350067139,
-      -7.1335601806640625
-    ],
-    [
-      -5.647794246673584,
-      -6.922834873199463
-    ],
-    [
-      -5.931471824645996,
-      -6.773493766784668
-    ],
-    [
-      -6.162847518920898,
-      -6.5040178298950195
-    ],
-    [
-      -6.425640106201172,
-      -6.250199317932129
-    ],
-    [
-      -6.6294965744018555,
-      -5.955855846405029
-    ],
-    [
-      -6.857776641845703,
-      -5.586231708526611
-    ],
-    [
-      -7.068276405334473,
-      -5.20672607421875
-    ],
-    [
-      -7.437286853790283,
-      -5.641544818878174
-    ],
-    [
-      -7.696932315826416,
-      -5.457540035247803
-    ],
-    [
-      -7.9060587882995605,
-      -5.2242584228515625
-    ],
-    [
-      -8.066984176635742,
-      -4.946529388427734
-    ],
-    [
-      -8.336150169372559,
-      -4.7649970054626465
-    ],
-    [
-      -8.52597713470459,
-      -4.450690746307373
-    ],
-    [
-      -8.681577682495117,
-      -4.149618625640869
-    ],
-    [
-      -8.788962364196777,
-      -3.88460373878479
-    ],
-    [
-      -8.94499683380127,
-      -3.620978355407715
-    ],
-    [
-      -9.00985336303711,
-      -3.3398890495300293
-    ],
-    [
-      -9.162784576416016,
-      -3.038771152496338
-    ],
-    [
-      -9.188023567199707,
-      -2.7745771408081055
-    ],
-    [
-      -9.269676208496094,
-      -2.492663860321045
-    ],
-    [
-      -9.298174858093262,
-      -2.2071080207824707
-    ],
-    [
-      -9.301246643066406,
-      -1.9218449592590332
-    ],
-    [
-      -9.279318809509277,
-      -1.6178292036056519
-    ],
-    [
-      -9.617018699645996,
-      -1.3741966485977173
-    ],
-    [
-      -9.661920547485352,
-      -1.098971962928772
-    ],
-    [
-      -9.64769458770752,
-      -0.8025069832801819
-    ],
-    [
-      -9.675349235534668,
-      -0.549736499786377
-    ],
-    [
-      -9.680461883544922,
-      -0.32157254219055176
-    ],
-    [
-      -9.676546096801758,
-      -0.04465971514582634
-    ],
-    [
-      -9.685470581054688,
-      0.24179793894290924
-    ],
-    [
-      -9.667086601257324,
-      0.4546229839324951
-    ],
-    [
-      -9.610819816589355,
-      0.6807534098625183
-    ],
-    [
-      -9.549544334411621,
-      0.9478676319122314
-    ],
-    [
-      -9.535961151123047,
-      1.2063448429107666
-    ],
-    [
-      -9.573528289794922,
-      1.42529296875
-    ],
-    [
-      -9.505254745483398,
-      1.6640177965164185
-    ],
-    [
-      -9.41240406036377,
-      1.925183653831482
-    ]
-  ],
-  "total_points": 1000
-}
\ No newline at end of file
diff --git a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short_metadata.json b/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short_metadata.json
deleted file mode 100644
index 7c0c589..0000000
--- a/vna_system/calibration/s11_start100_stop8800_points1000_bw1khz/яыф/short_metadata.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "preset": {
-    "filename": "s11_start100_stop8800_points1000_bw1khz.bin",
-    "mode": "s11",
-    "start_freq": 100000000.0,
-    "stop_freq": 8800000000.0,
-    "points": 1000,
-    "bandwidth": 1000.0
-  },
-  "calibration_name": "яыф",
-  "standard": "short",
-  "sweep_number": 13,
-  "sweep_timestamp": 1758896378.4093437,
-  "created_timestamp": "2025-09-26T17:20:00.022500",
-  "total_points": 1000
-}
\ 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 3a87bb4..0299804 100644
--- a/vna_system/core/processors/configs/bscan_config.json
+++ b/vna_system/core/processors/configs/bscan_config.json
@@ -2,9 +2,9 @@
   "open_air": true,
   "axis": "abs",
   "data_limitation": "ph_only_1",
-  "cut": 1.291,
-  "max": 1.0,
-  "gain": 0.9,
+  "cut": 2.0,
+  "max": 5.0,
+  "gain": 2.2,
   "start_freq": 100.0,
   "stop_freq": 8800.0,
   "clear_history": false,
diff --git a/vna_system/core/processors/configs/magnitude_config.json b/vna_system/core/processors/configs/magnitude_config.json
index f266070..d0aae19 100644
--- a/vna_system/core/processors/configs/magnitude_config.json
+++ b/vna_system/core/processors/configs/magnitude_config.json
@@ -1,5 +1,5 @@
 {
   "y_min": -80,
   "y_max": 40,
-  "show_phase": true
+  "show_phase": false
 }
\ 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 df1f49b..c46cd72 100644
--- a/vna_system/core/processors/implementations/bscan_processor.py
+++ b/vna_system/core/processors/implementations/bscan_processor.py
@@ -183,6 +183,10 @@ class BScanProcessor(BaseProcessor):
                 latest_history = self._sweep_history[-1]
                 reference_data = latest_history.get("reference_data")
 
+            if reference_data is None:
+                logger.warning(f"Open air substraction cannot be done: reference_data is None")
+                self._config["open_air"] = False
+
             if self._config["open_air"] and reference_data is not None:
                 reference_complex = self._get_complex_s11(reference_data)
                 if reference_complex is not None and reference_complex.size:
diff --git a/vna_system/core/settings/settings_manager.py b/vna_system/core/settings/settings_manager.py
index 4dd1277..f866569 100644
--- a/vna_system/core/settings/settings_manager.py
+++ b/vna_system/core/settings/settings_manager.py
@@ -188,6 +188,10 @@ class VNASettingsManager:
             raise ValueError("No current preset available")
         return self.reference_manager.delete_reference(reference_name, current_preset)
 
+    def delete_calibration(self, preset: ConfigPreset, calibration_name: str) -> None:
+        """Delete a saved calibration for the given preset."""
+        self.calibration_manager.delete_calibration(preset, calibration_name)
+
     # ------------------------------------------------------------------ #
     # Acquisition integration
     # ------------------------------------------------------------------ #
@@ -369,4 +373,4 @@ class VNASettingsManager:
             current_sweep=current_sweep_number,
             timeout=timeout_seconds
         )
-        return None
\ No newline at end of file
+        return None
diff --git a/vna_system/scripts/start.sh b/vna_system/scripts/start.sh
index 23de43f..95d813b 100755
--- a/vna_system/scripts/start.sh
+++ b/vna_system/scripts/start.sh
@@ -74,15 +74,6 @@ else
     log_warning "Consider creating a virtual environment: python3 -m venv venv"
 fi
 
-# Check configuration files
-if [ ! -f "vna_system/api/api_config.json" ]; then
-    log_warning "API config not found. Using defaults."
-fi
-
-if [ ! -f "vna_system/core/processing/config.json" ]; then
-    log_warning "Processing config not found. Some processors may not work."
-fi
-
 # Start the server
 log_info "Starting VNA System API server..."
 log_info "Press Ctrl+C to stop the server"
diff --git a/vna_system/web_ui/static/css/settings.css b/vna_system/web_ui/static/css/settings.css
index b560da6..a0790c8 100644
--- a/vna_system/web_ui/static/css/settings.css
+++ b/vna_system/web_ui/static/css/settings.css
@@ -518,61 +518,40 @@
     margin-top: var(--space-3);
 }
 
-/* Current Reference Info */
-.current-reference-info {
-    margin-top: var(--space-4);
-    padding-top: var(--space-4);
-    border-top: 1px solid var(--color-border);
-}
-
-.reference-info-card {
-    background: var(--color-gray-800);
-    border: 1px solid var(--color-gray-600);
-    border-radius: var(--radius-lg);
-    padding: var(--space-4);
-}
-
-.reference-info-card h5 {
-    margin: 0 0 var(--space-3) 0;
-    font-size: var(--text-sm);
-    font-weight: var(--weight-semibold);
-    color: var(--color-gray-300);
-    text-transform: uppercase;
-    letter-spacing: 0.05em;
-}
-
+/* Reference details */
 .reference-details {
+    margin-top: var(--space-3);
+    padding: var(--space-3);
+    border-radius: var(--radius-md);
+    border: 1px solid var(--border-primary);
+    background: var(--bg-surface);
+    box-shadow: var(--shadow-sm);
     display: flex;
     flex-direction: column;
     gap: var(--space-2);
-    background: var(--color-gray-900);
-    padding: var(--space-3);
-    border-radius: var(--radius-md);
-    border: 1px solid var(--color-gray-700);
 }
 
-.reference-name {
-    font-size: var(--text-base);
-    font-weight: var(--weight-semibold);
-    color: var(--color-white);
+.reference-details__row {
+    display: flex;
+    gap: var(--space-2);
+    font-size: var(--font-size-sm);
+    align-items: baseline;
 }
 
-.reference-timestamp {
-    font-size: var(--text-sm);
-    color: var(--color-gray-300);
-    font-family: var(--font-mono);
+.reference-details__label {
+    min-width: 90px;
+    color: var(--text-secondary);
+    font-weight: var(--font-weight-medium);
 }
 
-.reference-description {
-    margin: 0;
-    font-size: var(--text-sm);
-    color: var(--color-gray-400);
-    font-style: italic;
+.reference-details__value {
+    color: var(--text-primary);
+    flex: 1 1 auto;
+    word-break: break-word;
 }
 
-.reference-description:empty::before {
-    content: "Описание не указано";
-    opacity: 0.7;
+.reference-details__row--description {
+    align-items: flex-start;
 }
 
 /* Responsive adjustments */
diff --git a/vna_system/web_ui/static/js/modules/acquisition.js b/vna_system/web_ui/static/js/modules/acquisition.js
index d19d5c2..2bf3b6e 100644
--- a/vna_system/web_ui/static/js/modules/acquisition.js
+++ b/vna_system/web_ui/static/js/modules/acquisition.js
@@ -121,17 +121,21 @@ export class AcquisitionManager {
     async updateStatus() {
         try {
             const status = await apiGet(API.ACQUISITION.STATUS);
+            const normalized = { ...status, connected: true };
 
-            this.currentStatus = status;
-            this.updateUI(status);
+            this.currentStatus = normalized;
+            this.updateUI(normalized);
         } catch (error) {
             console.error('Error getting acquisition status:', error);
-            this.updateUI({
+            const fallback = {
                 running: false,
                 paused: false,
                 continuous_mode: true,
-                sweep_count: 0
-            });
+                sweep_count: 0,
+                connected: false
+            };
+            this.currentStatus = fallback;
+            this.updateUI(fallback);
         }
     }
 
@@ -176,6 +180,20 @@ export class AcquisitionManager {
             this.elements.singleSweepBtn.disabled = false;
         }
 
+        const systemStatusEl = document.getElementById('systemStatus');
+        if (systemStatusEl) {
+            if (status.connected === false) {
+                systemStatusEl.textContent = 'Не подключено';
+            } else {
+                const mode = status.continuous_mode ? 'Непрерывный' : 'Одиночный';
+                let suffix = ' (остановлен)';
+                if (status.running) {
+                    suffix = status.paused ? ' (пауза)' : ' (запущен)';
+                }
+                systemStatusEl.textContent = `Режим: ${mode}${suffix}`;
+            }
+        }
+
         // Update sweep count in header if available
         const sweepCountEl = document.getElementById('sweepCount');
         if (sweepCountEl) {
diff --git a/vna_system/web_ui/static/js/modules/constants.js b/vna_system/web_ui/static/js/modules/constants.js
index 7b1a5f5..26fc33d 100644
--- a/vna_system/web_ui/static/js/modules/constants.js
+++ b/vna_system/web_ui/static/js/modules/constants.js
@@ -75,6 +75,7 @@ export const API = {
         CALIBRATION_START: `${API_BASE}/settings/calibration/start`,
         CALIBRATION_SAVE: `${API_BASE}/settings/calibration/save`,
         CALIBRATION_SET: `${API_BASE}/settings/calibration/set`,
+        CALIBRATION_DELETE: (name) => `${API_BASE}/settings/calibration/${encodeURIComponent(name)}`,
         CALIBRATION_ADD_STANDARD: `${API_BASE}/settings/calibration/add-standard`,
         CALIBRATION_STANDARDS_PLOTS: (name) => `${API_BASE}/settings/calibration/${encodeURIComponent(name)}/standards-plots`,
 
diff --git a/vna_system/web_ui/static/js/modules/settings.js b/vna_system/web_ui/static/js/modules/settings.js
index 68afb63..a88f065 100644
--- a/vna_system/web_ui/static/js/modules/settings.js
+++ b/vna_system/web_ui/static/js/modules/settings.js
@@ -76,6 +76,7 @@ export class SettingsManager {
             calibrationDropdown: document.getElementById('calibrationDropdown'),
             setCalibrationBtn: document.getElementById('setCalibrationBtn'),
             viewPlotsBtn: document.getElementById('viewPlotsBtn'),
+            deleteCalibrationBtn: document.getElementById('deleteCalibrationBtn'),
             viewCurrentPlotsBtn: document.getElementById('viewCurrentPlotsBtn'),
 
             // Modal
@@ -91,6 +92,7 @@ export class SettingsManager {
             setReferenceBtn: document.getElementById('setReferenceBtn'),
             clearReferenceBtn: document.getElementById('clearReferenceBtn'),
             deleteReferenceBtn: document.getElementById('deleteReferenceBtn'),
+            previewReferenceBtn: document.getElementById('previewReferenceBtn'),
             currentReferenceInfo: document.getElementById('currentReferenceInfo'),
             currentReferenceName: document.getElementById('currentReferenceName'),
             currentReferenceTimestamp: document.getElementById('currentReferenceTimestamp'),
@@ -99,6 +101,7 @@ export class SettingsManager {
             // Status
             presetCount: document.getElementById('presetCount'),
             calibrationCount: document.getElementById('calibrationCount'),
+            referenceCount: document.getElementById('referenceCount'),
             systemStatus: document.getElementById('systemStatus')
         };
 
@@ -158,7 +161,7 @@ export class SettingsManager {
         } catch (e) {
             console.error('Status load failed:', e);
             if (this.elements.systemStatus) {
-                this.elements.systemStatus.textContent = 'Ошибка';
+                this.elements.systemStatus.textContent = 'Не подключено';
             }
             this.notify(ERROR, 'Ошибка статуса', 'Не удалось получить текущее состояние системы');
             return null;
@@ -191,7 +194,7 @@ export class SettingsManager {
         await this.calibrationManager.loadWorkingCalibration();
 
         if (!status && this.elements.systemStatus) {
-            this.elements.systemStatus.textContent = 'Готово';
+            this.elements.systemStatus.textContent = 'Не подключено';
         }
 
         const effectiveStatus = {
@@ -206,6 +209,9 @@ export class SettingsManager {
             if (this.elements.calibrationCount) {
                 this.elements.calibrationCount.textContent = effectiveStatus.available_calibrations ?? '-';
             }
+            if (this.elements.referenceCount) {
+                this.elements.referenceCount.textContent = '-';
+            }
         }
 
         this.updateHeaderSummary(effectiveStatus);
@@ -227,10 +233,10 @@ export class SettingsManager {
         if (this.elements.calibrationCount) {
             this.elements.calibrationCount.textContent = status?.available_calibrations ?? '-';
         }
-        if (this.elements.systemStatus) {
-            this.elements.systemStatus.textContent = 'Готово';
+        if (this.elements.referenceCount) {
+            const count = this.referenceManager?.availableReferences?.length;
+            this.elements.referenceCount.textContent = typeof count === 'number' ? count : '-';
         }
-
         this.updateHeaderSummary(status);
         this.updateReferenceSummary(this.referenceManager.getCurrentReference());
     }
diff --git a/vna_system/web_ui/static/js/modules/settings/calibration-manager.js b/vna_system/web_ui/static/js/modules/settings/calibration-manager.js
index c56a511..61081ee 100644
--- a/vna_system/web_ui/static/js/modules/settings/calibration-manager.js
+++ b/vna_system/web_ui/static/js/modules/settings/calibration-manager.js
@@ -5,7 +5,7 @@
 
 import { Debouncer, RequestGuard, ButtonState } from '../utils.js';
 import { renderIcons } from '../icons.js';
-import { apiGet, apiPost, buildUrl } from '../api-client.js';
+import { apiGet, apiPost, apiDelete, buildUrl } from '../api-client.js';
 import { API, TIMING, CALIBRATION_STANDARDS, NOTIFICATION_TYPES } from '../constants.js';
 
 const { SUCCESS, ERROR, INFO } = NOTIFICATION_TYPES;
@@ -25,6 +25,7 @@ export class CalibrationManager {
         this.handleSaveCalibration = this.handleSaveCalibration.bind(this);
         this.handleSetCalibration = this.handleSetCalibration.bind(this);
         this.handleCalibrationChange = this.handleCalibrationChange.bind(this);
+        this.handleDeleteCalibration = this.handleDeleteCalibration.bind(this);
     }
 
     init(elements) {
@@ -33,6 +34,7 @@ export class CalibrationManager {
         this.elements.saveCalibrationBtn?.addEventListener('click', this.handleSaveCalibration);
         this.elements.calibrationDropdown?.addEventListener('change', this.handleCalibrationChange);
         this.elements.setCalibrationBtn?.addEventListener('click', this.handleSetCalibration);
+        this.elements.deleteCalibrationBtn?.addEventListener('click', this.handleDeleteCalibration);
 
         this.elements.calibrationNameInput?.addEventListener('input', () => {
             const hasName = this.elements.calibrationNameInput.value.trim().length > 0;
@@ -46,6 +48,7 @@ export class CalibrationManager {
         this.elements.saveCalibrationBtn?.removeEventListener('click', this.handleSaveCalibration);
         this.elements.calibrationDropdown?.removeEventListener('change', this.handleCalibrationChange);
         this.elements.setCalibrationBtn?.removeEventListener('click', this.handleSetCalibration);
+        this.elements.deleteCalibrationBtn?.removeEventListener('click', this.handleDeleteCalibration);
         this.resetCaptureState();
     }
 
@@ -91,6 +94,9 @@ export class CalibrationManager {
             dd.disabled = true;
             this.elements.setCalibrationBtn.disabled = true;
             this.elements.viewPlotsBtn.disabled = true;
+            if (this.elements.deleteCalibrationBtn) {
+                this.elements.deleteCalibrationBtn.disabled = true;
+            }
             return;
         }
 
@@ -105,6 +111,9 @@ export class CalibrationManager {
         dd.disabled = false;
         this.elements.setCalibrationBtn.disabled = true;
         this.elements.viewPlotsBtn.disabled = true;
+        if (this.elements.deleteCalibrationBtn) {
+            this.elements.deleteCalibrationBtn.disabled = true;
+        }
     }
 
     updateWorking(working) {
@@ -195,6 +204,9 @@ export class CalibrationManager {
         const v = this.elements.calibrationDropdown.value;
         this.elements.setCalibrationBtn.disabled = !v;
         this.elements.viewPlotsBtn.disabled = !v;
+        if (this.elements.deleteCalibrationBtn) {
+            this.elements.deleteCalibrationBtn.disabled = !v;
+        }
     }
 
     async handleStartCalibration() {
@@ -233,6 +245,7 @@ export class CalibrationManager {
 
                     const btn = document.querySelector(`[data-standard="${standard}"]`);
                     ButtonState.set(btn, { state: 'loading', icon: 'upload', text: 'Снятие...' });
+                    this.toggleStandardButtons(true);
 
                     this.notify(INFO, 'Снятие стандарта', `Снимается стандарт ${standard.toUpperCase()}...`);
 
@@ -246,11 +259,29 @@ export class CalibrationManager {
                     console.error('Capture standard failed:', e);
                     this.notify(ERROR, 'Ошибка калибровки', 'Не удалось снять стандарт калибровки');
                     this.resetCaptureState(standard);
+                } finally {
+                    this.toggleStandardButtons(false);
                 }
             }), TIMING.DEBOUNCE_CALIBRATION
         );
     }
 
+    toggleStandardButtons(disabled) {
+        const buttons = this.elements.calibrationStandards?.querySelectorAll('.calibration-standard-btn');
+        if (!buttons) return;
+        buttons.forEach(btn => {
+            if (disabled) {
+                btn.dataset.prevDisabled = btn.disabled ? '1' : '0';
+                btn.disabled = true;
+            } else {
+                if (btn.dataset.prevDisabled !== undefined) {
+                    btn.disabled = btn.dataset.prevDisabled === '1';
+                    delete btn.dataset.prevDisabled;
+                }
+            }
+        });
+    }
+
     async handleSaveCalibration() {
         const name = this.elements.calibrationNameInput.value.trim();
         if (!name) return;
@@ -312,6 +343,48 @@ export class CalibrationManager {
         );
     }
 
+    async handleDeleteCalibration() {
+        const name = this.elements.calibrationDropdown.value;
+        if (!name || !this.currentPreset) {
+            return;
+        }
+
+        if (!confirm(`Удалить калибровку «${name}»? Это действие необратимо.`)) {
+            return;
+        }
+
+        this.debouncer.debounce('delete-calibration', () =>
+            this.reqGuard.runExclusive('delete-calibration', async () => {
+                try {
+                    if (this.elements.deleteCalibrationBtn) {
+                        ButtonState.set(this.elements.deleteCalibrationBtn, { state: 'loading', icon: 'loader', text: 'Удаление...' });
+                    }
+
+                    const url = buildUrl(API.SETTINGS.CALIBRATION_DELETE(name), {
+                        preset_filename: this.currentPreset.filename
+                    });
+                    const result = await apiDelete(url);
+
+                    this.notify(SUCCESS, 'Калибровка удалена', result.message);
+
+                    await this.loadCalibrations();
+                    await this.loadWorkingCalibration();
+
+                    if (this.onCalibrationSet) {
+                        await this.onCalibrationSet();
+                    }
+                } catch (e) {
+                    console.error('Delete calibration failed:', e);
+                    this.notify(ERROR, 'Ошибка калибровки', 'Не удалось удалить калибровку');
+                } finally {
+                    if (this.elements.deleteCalibrationBtn) {
+                        ButtonState.set(this.elements.deleteCalibrationBtn, { state: 'normal', icon: 'trash-2', text: 'Удалить' });
+                    }
+                }
+            }), TIMING.DEBOUNCE_CALIBRATION
+        );
+    }
+
     updateStatus(status) {
         if (status.current_calibration) {
             this.currentCalibration = status.current_calibration;
diff --git a/vna_system/web_ui/static/js/modules/settings/preset-manager.js b/vna_system/web_ui/static/js/modules/settings/preset-manager.js
index 0cff62a..9592b86 100644
--- a/vna_system/web_ui/static/js/modules/settings/preset-manager.js
+++ b/vna_system/web_ui/static/js/modules/settings/preset-manager.js
@@ -68,14 +68,57 @@ export class PresetManager {
     }
 
     formatDisplay(p) {
-        let s = `${p.filename} (${p.mode})`;
-        if (p.start_freq && p.stop_freq) {
-            const startMHz = (p.start_freq / 1e6).toFixed(0);
-            const stopMHz = (p.stop_freq / 1e6).toFixed(0);
-            s += ` - ${startMHz}-${stopMHz}MHz`;
+        if (!p) return '';
+
+        const parts = [];
+        if (p.mode) {
+            parts.push(p.mode.toUpperCase());
         }
-        if (p.points) s += `, ${p.points}pts`;
-        return s;
+
+        const start = this.formatFrequency(p.start_freq);
+        const stop = this.formatFrequency(p.stop_freq);
+        if (start && stop) {
+            parts.push(`${start} – ${stop}`);
+        } else if (start || stop) {
+            parts.push(start || stop);
+        }
+
+        if (p.points) {
+            parts.push(`${p.points} точек`);
+        }
+
+        const bandwidth = this.formatFrequency(p.bandwidth);
+        if (bandwidth) {
+            parts.push(`ПП ${bandwidth}`);
+        }
+
+        if (!parts.length && p.filename) {
+            return p.filename;
+        }
+
+        return parts.join(' • ');
+    }
+
+    formatFrequency(value) {
+        if (value === null || value === undefined) return null;
+        const numeric = Number(value);
+        if (!Number.isFinite(numeric) || numeric <= 0) return null;
+
+        const units = [
+            { divider: 1e9, suffix: 'ГГц' },
+            { divider: 1e6, suffix: 'МГц' },
+            { divider: 1e3, suffix: 'кГц' },
+        ];
+
+        for (const unit of units) {
+            if (numeric >= unit.divider) {
+                const scaled = numeric / unit.divider;
+                const formatted = scaled >= 10 ? scaled.toFixed(0) : scaled.toFixed(2);
+                return `${formatted} ${unit.suffix}`;
+            }
+        }
+
+        return `${numeric.toFixed(0)} Гц`;
     }
 
     handlePresetChange() {
@@ -114,7 +157,7 @@ export class PresetManager {
     updateStatus(status) {
         if (status.current_preset) {
             this.currentPreset = status.current_preset;
-            this.elements.currentPreset.textContent = status.current_preset.filename;
+            this.elements.currentPreset.textContent = this.formatDisplay(status.current_preset);
         } else {
             this.currentPreset = null;
             this.elements.currentPreset.textContent = 'Нет';
@@ -129,7 +172,7 @@ export class PresetManager {
     setCurrentPresetDirect(preset) {
         this.currentPreset = preset;
         if (this.elements.currentPreset) {
-            this.elements.currentPreset.textContent = preset ? preset.filename : 'Нет';
+            this.elements.currentPreset.textContent = preset ? this.formatDisplay(preset) : 'Нет';
         }
         this.syncSelectedPreset();
     }
diff --git a/vna_system/web_ui/static/js/modules/settings/reference-manager.js b/vna_system/web_ui/static/js/modules/settings/reference-manager.js
index f9b4bae..c6c403e 100644
--- a/vna_system/web_ui/static/js/modules/settings/reference-manager.js
+++ b/vna_system/web_ui/static/js/modules/settings/reference-manager.js
@@ -7,7 +7,7 @@ import { Debouncer, RequestGuard, ButtonState } from '../utils.js';
 import { apiGet, apiPost, apiDelete, buildUrl } from '../api-client.js';
 import { API, TIMING, NOTIFICATION_TYPES } from '../constants.js';
 
-const { SUCCESS, ERROR, WARNING } = NOTIFICATION_TYPES;
+const { SUCCESS, ERROR, WARNING, INFO } = NOTIFICATION_TYPES;
 
 export class ReferenceManager {
     constructor(notifications) {
@@ -25,6 +25,7 @@ export class ReferenceManager {
         this.handleSetReference = this.handleSetReference.bind(this);
         this.handleClearReference = this.handleClearReference.bind(this);
         this.handleDeleteReference = this.handleDeleteReference.bind(this);
+        this.handlePreviewReference = this.handlePreviewReference.bind(this);
     }
 
     init(elements) {
@@ -34,6 +35,7 @@ export class ReferenceManager {
         this.elements.setReferenceBtn?.addEventListener('click', this.handleSetReference);
         this.elements.clearReferenceBtn?.addEventListener('click', this.handleClearReference);
         this.elements.deleteReferenceBtn?.addEventListener('click', this.handleDeleteReference);
+        this.elements.previewReferenceBtn?.addEventListener('click', this.handlePreviewReference);
     }
 
     destroy() {
@@ -42,6 +44,13 @@ export class ReferenceManager {
         this.elements.setReferenceBtn?.removeEventListener('click', this.handleSetReference);
         this.elements.clearReferenceBtn?.removeEventListener('click', this.handleClearReference);
         this.elements.deleteReferenceBtn?.removeEventListener('click', this.handleDeleteReference);
+        this.elements.previewReferenceBtn?.removeEventListener('click', this.handlePreviewReference);
+    }
+
+    updateReferenceCount(count) {
+        if (this.elements.referenceCount) {
+            this.elements.referenceCount.textContent = typeof count === 'number' ? count : '-';
+        }
     }
 
     async setCurrentPreset(preset) {
@@ -65,6 +74,7 @@ export class ReferenceManager {
                 preset_filename: this.currentPreset.filename
             });
             this.availableReferences = await apiGet(referencesUrl);
+            this.updateReferenceCount(this.availableReferences.length);
 
             const currentUrl = buildUrl(API.SETTINGS.REFERENCE_CURRENT, {
                 preset_filename: this.currentPreset.filename
@@ -77,6 +87,7 @@ export class ReferenceManager {
             console.error('Failed to load references:', error);
             this.renderDropdown([]);
             this.updateInfo(null);
+            this.updateReferenceCount(null);
         }
     }
 
@@ -92,6 +103,7 @@ export class ReferenceManager {
         const setBtn = this.elements.setReferenceBtn;
         const deleteBtn = this.elements.deleteReferenceBtn;
         const clearBtn = this.elements.clearReferenceBtn;
+        const previewBtn = this.elements.previewReferenceBtn;
 
         if (references.length === 0) {
             this.elements.referenceDropdown.innerHTML = '<option value="">Эталоны отсутствуют</option>';
@@ -99,6 +111,7 @@ export class ReferenceManager {
             if (setBtn) setBtn.disabled = true;
             if (clearBtn) clearBtn.disabled = true;
             if (deleteBtn) deleteBtn.disabled = true;
+            if (previewBtn) previewBtn.disabled = true;
         } else {
             this.elements.referenceDropdown.innerHTML = '<option value="">Выберите эталон...</option>';
 
@@ -117,6 +130,7 @@ export class ReferenceManager {
 
             if (setBtn) setBtn.disabled = false;
             if (deleteBtn) deleteBtn.disabled = false;
+            if (previewBtn) previewBtn.disabled = false;
         }
 
         this.updateButtons();
@@ -132,10 +146,12 @@ export class ReferenceManager {
         const setBtn = this.elements.setReferenceBtn;
         const deleteBtn = this.elements.deleteReferenceBtn;
         const clearBtn = this.elements.clearReferenceBtn;
+        const previewBtn = this.elements.previewReferenceBtn;
 
         if (setBtn) setBtn.disabled = !hasSelection;
         if (deleteBtn) deleteBtn.disabled = !hasSelection;
         if (clearBtn) clearBtn.disabled = !hasCurrent;
+        if (previewBtn) previewBtn.disabled = !(hasSelection || hasCurrent);
     }
 
     updateInfo(reference) {
@@ -148,11 +164,15 @@ export class ReferenceManager {
 
         if (!reference) {
             this.elements.currentReferenceInfo.style.display = 'none';
+            if (this.elements.currentReferenceName) this.elements.currentReferenceName.textContent = '—';
+            if (this.elements.currentReferenceTimestamp) this.elements.currentReferenceTimestamp.textContent = '—';
+            if (this.elements.currentReferenceDescription) this.elements.currentReferenceDescription.textContent = '—';
             this.onReferenceUpdated?.(null);
+            this.updateButtons();
             return;
         }
 
-        this.elements.currentReferenceInfo.style.display = 'block';
+        this.elements.currentReferenceInfo.style.display = 'flex';
 
         if (this.elements.currentReferenceName) {
             this.elements.currentReferenceName.textContent = reference.name;
@@ -166,10 +186,11 @@ export class ReferenceManager {
         }
 
         if (this.elements.currentReferenceDescription) {
-            this.elements.currentReferenceDescription.textContent = reference.description || '';
+            this.elements.currentReferenceDescription.textContent = reference.description || '—';
         }
 
         this.onReferenceUpdated?.(reference);
+        this.updateButtons();
     }
 
     async handleCreateReference() {
@@ -208,6 +229,51 @@ export class ReferenceManager {
         this.updateButtons();
     }
 
+    async handlePreviewReference() {
+        const dropdown = this.elements.referenceDropdown;
+        const selectedName = dropdown?.value ?? '';
+        const targetName = selectedName || this.currentReference?.name;
+        if (!targetName) {
+            this.notify(WARNING, 'Нет данных', 'Не выбран ни один эталон для просмотра');
+            return;
+        }
+
+        this.debouncer.debounce('preview-reference', () =>
+            this.reqGuard.runExclusive('preview-reference', async () => {
+                try {
+                    const url = buildUrl(API.SETTINGS.REFERENCE_ITEM(targetName), {
+                        preset_filename: this.currentPreset?.filename
+                    });
+                    const details = await apiGet(url);
+
+                    const timestamp = details?.timestamp
+                        ? new Date(details.timestamp).toLocaleString()
+                        : '—';
+                    const description = details?.description ? details.description : '—';
+
+                    const lines = [
+                        `Имя: ${details?.name ?? targetName}`,
+                        `Дата: ${timestamp}`,
+                        `Описание: ${description}`
+                    ];
+
+                    if (details?.metadata && Object.keys(details.metadata).length) {
+                        const metaPairs = Object.entries(details.metadata)
+                            .map(([key, value]) => `${key}: ${JSON.stringify(value)}`)
+                            .join('; ');
+                        lines.push(`Метаданные: ${metaPairs}`);
+                    }
+
+                    const message = lines.join(' • ');
+                    this.notify(INFO, 'Просмотр эталона', message);
+                } catch (error) {
+                    console.error('Preview reference failed:', error);
+                    this.notify(ERROR, 'Ошибка эталона', 'Не удалось загрузить данные эталона');
+                }
+            })
+        );
+    }
+
     async handleSetReference() {
         const referenceName = this.elements.referenceDropdown.value;
         if (!referenceName) return;
@@ -263,7 +329,7 @@ export class ReferenceManager {
         const referenceName = this.elements.referenceDropdown.value;
         if (!referenceName) return;
 
-        if (!confirm(`Are you sure you want to delete reference "${referenceName}"? This action cannot be undone.`)) {
+        if (!confirm(`Удалить эталон «${referenceName}»? Это действие необратимо.`)) {
             return;
         }
 
@@ -292,6 +358,7 @@ export class ReferenceManager {
         this.currentReference = null;
         this.renderDropdown([]);
         this.updateInfo(null);
+        this.updateReferenceCount(0);
     }
 
     notify(type, title, message) {
diff --git a/vna_system/web_ui/templates/index.html b/vna_system/web_ui/templates/index.html
index d17b470..a8c632d 100644
--- a/vna_system/web_ui/templates/index.html
+++ b/vna_system/web_ui/templates/index.html
@@ -246,6 +246,10 @@
                                             <span data-icon="bar-chart-3"></span>
                                             Показать графики
                                         </button>
+                                        <button class="btn btn--secondary" id="deleteCalibrationBtn" disabled>
+                                            <span data-icon="trash-2"></span>
+                                            Удалить
+                                        </button>
                                     </div>
                                 </div>
                             </div>
@@ -278,19 +282,33 @@
                                         <option value="">Эталоны отсутствуют</option>
                                     </select>
                                     <div class="reference-actions settings-action-group">
-                                        <button class="btn btn--primary" id="setReferenceBtn" disabled>
+                                    <button class="btn btn--primary" id="setReferenceBtn" disabled>
                                             <span data-icon="check"></span>
                                             Использовать
                                         </button>
-                                        <button class="btn btn--secondary" id="previewReferenceBtn" disabled>
-                                            <span data-icon="bar-chart-3"></span>
-                                            Просмотр
-                                        </button>
+                                    <button class="btn btn--secondary" id="previewReferenceBtn" disabled>
+                                        <span data-icon="bar-chart-3"></span>
+                                        Просмотр
+                                    </button>
                                         <button class="btn btn--secondary" id="deleteReferenceBtn" disabled>
                                             <span data-icon="trash-2"></span>
                                             Удалить
                                         </button>
                                     </div>
+                                    <div class="reference-details" id="currentReferenceInfo" style="display: none;">
+                                        <div class="reference-details__row">
+                                            <span class="reference-details__label">Имя:</span>
+                                            <span class="reference-details__value" id="currentReferenceName">—</span>
+                                        </div>
+                                        <div class="reference-details__row">
+                                            <span class="reference-details__label">Дата:</span>
+                                            <span class="reference-details__value" id="currentReferenceTimestamp">—</span>
+                                        </div>
+                                        <div class="reference-details__row reference-details__row--description">
+                                            <span class="reference-details__label">Описание:</span>
+                                            <span class="reference-details__value" id="currentReferenceDescription">—</span>
+                                        </div>
+                                    </div>
                                 </div>
                             </div>
                         </div>
@@ -304,21 +322,17 @@
                                 <span class="status-label">Получено свипов:</span>
                                 <span class="status-value" id="sweepCount">-</span>
                             </div>
-                            <div class="status-item">
-                                <span class="status-label">Обработано точек:</span>
-                                <span class="status-value" id="pointCount">-</span>
-                            </div>
-                            <div class="status-item">
-                                <span class="status-label">Активные процессоры:</span>
-                                <span class="status-value" id="processorCount">-</span>
-                            </div>
                             <div class="status-item">
                                 <span class="status-label">Калибровок сохранено:</span>
                                 <span class="status-value" id="calibrationCount">-</span>
                             </div>
+                            <div class="status-item">
+                                <span class="status-label">Эталонов сохранено:</span>
+                                <span class="status-value" id="referenceCount">-</span>
+                            </div>
                             <div class="status-item">
                                 <span class="status-label">Статус системы:</span>
-                                <span class="status-value" id="systemStatus">Проверка...</span>
+                                <span class="status-value" id="systemStatus">Режим: —</span>
                             </div>
                         </div>
                     </div>