feat: raw bin files now recieve timestamped filenames.

bridges/gui_bridge.py

@@ -13,6 +13,7 @@ Requires only the stdlib (Tkinter is bundled on Windows/Python).
 
 from __future__ import annotations
 
+import datetime
 import os
 import queue
 import subprocess
@@ -125,11 +126,22 @@ class BridgeGUI(tk.Tk):
 
         args = [sys.executable, BRIDGE_PATH, "--bw", bw, "--s3", s3, "--baud", baud, "--logdir", logdir]
 
+        ts = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
+
         raw_bw = self.raw_bw_var.get().strip()
         raw_s3 = self.raw_s3_var.get().strip()
+
+        # If the user left the default generic name, replace with a timestamped one
+        # so each session gets its own file.
         if raw_bw:
+            if os.path.basename(raw_bw) in ("raw_bw.bin", "raw_bw"):
+                raw_bw = os.path.join(os.path.dirname(raw_bw) or logdir, f"raw_bw_{ts}.bin")
+                self.raw_bw_var.set(raw_bw)
             args += ["--raw-bw", raw_bw]
         if raw_s3:
+            if os.path.basename(raw_s3) in ("raw_s3.bin", "raw_s3"):
+                raw_s3 = os.path.join(os.path.dirname(raw_s3) or logdir, f"raw_s3_{ts}.bin")
+                self.raw_s3_var.set(raw_s3)
             args += ["--raw-s3", raw_s3]
 
         try: