Add SOG and STW live-log actions and capitalize motor labels.

SOG prefills from GPS speed when available; STW is entered manually. Motor journal entries now read “Motor Start” / “Motor Stop”.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/i18n/locales/en.json

@@ -209,8 +209,8 @@
       "live_stream_label": "Event log",
       "live_stream_title": "Journal",
       "live_no_events": "No entries yet — tap an action.",
-      "live_motor_start": "Engine start",
-      "live_motor_stop": "Engine stop",
+      "live_motor_start": "Engine Start",
+      "live_motor_stop": "Engine Stop",
       "live_cast_off": "Cast off",
       "live_moor": "Moor",
       "live_sails_btn": "Sails",
@@ -251,6 +251,13 @@
       "live_course_placeholder": "e.g. 245",
       "live_fuel_placeholder": "Liters refilled",
       "live_water_placeholder": "Liters refilled",
+      "live_sog_btn": "SOG",
+      "live_stw_btn": "STW",
+      "live_sog_entry": "SOG {{speed}} kn",
+      "live_stw_entry": "STW {{speed}} kn",
+      "live_sog_placeholder": "e.g. 5.2",
+      "live_stw_placeholder": "e.g. 4.8",
+      "live_sog_hint": "Speed over ground (kn) — prefilled from GPS when available.",
       "delete_entry": "Delete Day",
       "delete_confirm": "Are you sure you want to permanently delete this travel day?",
       "carry_over_tanks_title": "Carry over from previous day?",