add dashboard monitoring interface and dual temperature tracking

contec_parser.py

@@ -58,13 +58,14 @@ CONTEC_PARAM_MAP = {
     # Temperature
     "TEMP": "temperature",
     "TEMP1": "temperature",
-    "TEMP2": "temperature",
+    "TEMP2": "temperature2",
     "T1": "temperature",
-    "T2": "temperature",
+    "T2": "temperature2",
     "BODY_TEMP": "temperature",
     "TEMP-1": "temperature",
-    "TEMP-2": "temperature",
+    "TEMP-2": "temperature2",
     "BODYTEMP": "temperature",
+    "TD": "temperature_diff",
 }
 
 # Sentinel value used by Contec to mark an invalid/disconnected parameter
@@ -304,7 +305,7 @@ def _parse_45_byte_packet(data: bytes, vitals_dict: dict) -> bool:
 
 def _parse_56_byte_packet(data: bytes, vitals_dict: dict) -> bool:
     """
-    Parse 56-byte packet (Subtype 23) — contains float32 Temperature values.
+    Parse 56-byte packet (Subtype 23) — contains float32 Temperature values for T1 and T2.
     
     Verified layout:
       [8-11]   Temperature 1 (float32)
@@ -318,8 +319,6 @@ def _parse_56_byte_packet(data: bytes, vitals_dict: dict) -> bool:
     if "present_fields" not in vitals_dict:
         vitals_dict["present_fields"] = []
 
-    found = False
-
     temp1 = read_f32_le(data, 8)
     temp2 = read_f32_le(data, 12)
 
@@ -327,24 +326,24 @@ def _parse_56_byte_packet(data: bytes, vitals_dict: dict) -> bool:
         # Disconnected sentinel is 9999.0 or 3276.7 (0x7FFF)
         return t is not None and is_valid_f32(t) and abs(t - 3276.7) > 1.0 and 20.0 < t < 45.0
 
-    if is_real_temp(temp1):
-        vitals_dict["temperature"] = round(temp1, 1)
-        if "temperature" not in vitals_dict["present_fields"]:
-            vitals_dict["present_fields"].append("temperature")
-        found = True
-    elif is_real_temp(temp2):
-        vitals_dict["temperature"] = round(temp2, 1)
-        if "temperature" not in vitals_dict["present_fields"]:
-            vitals_dict["present_fields"].append("temperature")
-        found = True
-    elif temp1 is not None or temp2 is not None:
-        # Sensor disconnected / off
-        vitals_dict["temperature"] = None
-        if "temperature" not in vitals_dict["present_fields"]:
-            vitals_dict["present_fields"].append("temperature")
-        found = True
+    t1_val = round(temp1, 1) if is_real_temp(temp1) else None
+    t2_val = round(temp2, 1) if is_real_temp(temp2) else None
 
-    return found
+    vitals_dict["temperature"] = t1_val
+    vitals_dict["temperature2"] = t2_val
+    if t1_val is not None and t2_val is not None:
+        vitals_dict["temperature_diff"] = round(abs(t1_val - t2_val), 1)
+    else:
+        vitals_dict["temperature_diff"] = None
+
+    if "temperature" not in vitals_dict["present_fields"]:
+        vitals_dict["present_fields"].append("temperature")
+    if "temperature2" not in vitals_dict["present_fields"]:
+        vitals_dict["present_fields"].append("temperature2")
+    if "temperature_diff" not in vitals_dict["present_fields"]:
+        vitals_dict["present_fields"].append("temperature_diff")
+
+    return (t1_val is not None or t2_val is not None)
 
 
 def _parse_spo2_waveform_packet(data: bytes, vitals_dict: dict) -> bool:

contec_server.py

@@ -598,6 +598,8 @@ async def _persist_and_forward_bg(vitals, should_persist):
                 map_bp=vitals.map_bp,
                 respiratory_rate=vitals.respiratory_rate,
                 temperature=vitals.temperature,
+                temperature2=vitals.temperature2,
+                temperature_diff=vitals.temperature_diff,
                 transmitted=False
             )
             db.add(reading)

models.py

@@ -34,6 +34,8 @@ class VitalReading(Base):
     map_bp = Column(Float, nullable=True)
     respiratory_rate = Column(Float, nullable=True)
     temperature = Column(Float, nullable=True)
+    temperature2 = Column(Float, nullable=True)
+    temperature_diff = Column(Float, nullable=True)
     transmitted = Column(Boolean, default=False, index=True)
 
 class TransmissionLog(Base):

routers/dashboard.py

@@ -192,6 +192,8 @@ def list_patients(db: Session = Depends(get_db)):
                 "map_bp": latest_reading.map_bp if latest_reading else None,
                 "respiratory_rate": latest_reading.respiratory_rate if latest_reading else None,
                 "temperature": latest_reading.temperature if latest_reading else None,
+                "temperature2": getattr(latest_reading, 'temperature2', None) if latest_reading else None,
+                "temperature_diff": getattr(latest_reading, 'temperature_diff', None) if latest_reading else None,
                 "timestamp": latest_reading.timestamp.isoformat() if (latest_reading and latest_reading.timestamp) else None,
             } if latest_reading else None
         })

schemas.py

@@ -14,6 +14,8 @@ class NormalizedVitals(BaseModel):
     map_bp: Optional[float] = None
     respiratory_rate: Optional[float] = None
     temperature: Optional[float] = None
+    temperature2: Optional[float] = None
+    temperature_diff: Optional[float] = None
     present_fields: Optional[list] = None
     # Raw waveform sample arrays (8-bit unsigned, 0-255)
     ecg_wave:   Optional[List[int]] = None   # ECG waveform samples from 989-byte packet