server: remove diff switch, always send diffs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/collect.py

@@ -6,9 +6,10 @@ from datetime import datetime, timezone
 from pathlib import Path
 
 from . import log_config, network, we_connect
+from jaydiff.diff import diff_full as jay_diff_full
+
 from .data_model import ALL_DOMAINS, apply_procedural, extract_all
 from .storage_helpers import auto_out_path, load_last_24h_records, load_store, save_store
-from jaydiff.diff import diff_full as jay_diff_full
 
 from volkswagencarnet.vw_exceptions import AuthenticationError
 
@@ -46,7 +47,6 @@ def run(args: argparse.Namespace) -> None:
     out = auto_out_path(logs_dir, vin)
 
     push_clients, push_lock, push_store_ref = network.start_push_server(args.host, args.port)
-    push_store_ref["diff_mode"] = args.diff
     push_store_ref["preloaded"] = load_last_24h_records(logs_dir, vin)
     for _r in push_store_ref["preloaded"]:
         if "procedural" not in _r:
@@ -89,10 +89,7 @@ def run(args: argparse.Namespace) -> None:
                     snapshot = apply_procedural(snapshot)
                     store["records"].append(snapshot)
                     save_store(out, store, args.max_records)
-                    if args.diff:
-                        payload = jay_diff_full(last_broadcast, snapshot, combine_upd_add=True)
-                    else:
-                        payload = snapshot
+                    payload = jay_diff_full(last_broadcast, snapshot, combine_upd_add=True)
                     last_broadcast = snapshot
                     network.broadcast(payload, push_clients, push_lock)
                     log.info("Record #%d saved at %s", len(store["records"]), snapshot["ts"])