Big updates

drb-c2-core/app/routers/calls.py

@@ -71,10 +71,10 @@ async def patch_transcript(
     if not call:
         raise HTTPException(404, f"Call '{call_id}' not found.")
 
-    # Save new transcript, clear stale intelligence fields
+    # Save user correction as transcript_corrected; leave original transcript intact.
+    # Clear stale intelligence fields so re-extraction runs fresh.
     await fstore.doc_set("calls", call_id, {
-        "transcript": body.transcript,
-        "transcript_corrected": None,
+        "transcript_corrected": body.transcript,
         "tags": [],
         "severity": "unknown",
         "location": None,
@@ -93,5 +93,6 @@ async def patch_transcript(
         talkgroup_name=call.get("talkgroup_name"),
         transcript=body.transcript,
         segments=call.get("segments"),
+        preserve_transcript_correction=True,
     )
     return {"ok": True, "call_id": call_id}