feat: Improved docstrings for /sysinfo endpoint

freqtrade/rpc/api_server/api_schemas.py

@@ -703,12 +703,19 @@ class CpuInfo(BaseModel):
 
 
 class SysInfo(BaseModel):
-    cpu_pct: list[float]
+    """Information about the system running the bot based on psutil output/measurements
+
+    Note: cpu_pct is deprecated and may be removed in a future release. Use cpu_load instead.
+    """
+
+    cpu_pct: list[float] = Field(
+        default=[], deprecated=True, description="Use cpu_load object instead"
+    )
     cpu_load: list[CpuInfo]
     cpu_load_avg: dict[str, float]
-    cpu_count: int
-    cpu_avg: float
-    ram_pct: float
+    cpu_count: int = Field(description="Number of logical CPUs as provided by psutil")
+    cpu_avg: float = Field(description="Average CPU load across all cores as provided by psutil")
+    ram_pct: float = Field(description="RAM usage percentage as provided by psutil")
 
 
 class Health(BaseModel):

freqtrade/rpc/rpc.py

@@ -1739,7 +1739,7 @@ class RPC:
         cpu_pct = psutil.cpu_percent(interval=0.1, percpu=True)
         load_avg = psutil.getloadavg()
         return {
-            "cpu_pct": cpu_pct,
+            "cpu_pct": cpu_pct,  # Deprecated, use cpu_load instead
             "cpu_load": [
                 {
                     "cpu": idx,