Change OTA title prefix from Flashing to Updating for OLED consistency

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

Author: BrentIO

Controller/Controller.ino

@@ -3597,7 +3597,7 @@ void setup_OtaFirmware(){
       mqttDoc["in_progress"] = true;
       mqttDoc["update_percentage"] = pct;
       char title[32];
-      snprintf(title, sizeof(title), "Flashing %c%s",
+      snprintf(title, sizeof(title), "Updating %c%s",
           toupper((unsigned char)_otaCurrentPartition[0]),
           _otaCurrentPartition + 1);
       mqttDoc["title"] = title;
@@ -3727,7 +3727,7 @@ void otaFirmware_checkPending(){
       mqttDoc["in_progress"] = true;
       mqttDoc["update_percentage"] = pct;
       char title[32];
-      snprintf(title, sizeof(title), "Flashing %c%s",
+      snprintf(title, sizeof(title), "Updating %c%s",
           toupper((unsigned char)_otaCurrentPartition[0]),
           _otaCurrentPartition + 1);
       mqttDoc["title"] = title;

Controller/asyncapi.yaml

@@ -1157,7 +1157,7 @@ components:
             installed_version: "2026.04.01"
             latest_version: "2026.06.21"
             release_url: "https://github.com/BrentIO/FireFly-Controller/releases/tag/2026.06.21"
-            title: "Flashing UI"
+            title: "Updating UI"
             in_progress: true
             update_percentage: 23
         - name: flashing-firmware
@@ -1166,15 +1166,15 @@ components:
             installed_version: "2026.04.01"
             latest_version: "2026.06.21"
             release_url: "https://github.com/BrentIO/FireFly-Controller/releases/tag/2026.06.21"
-            title: "Flashing Firmware"
+            title: "Updating Firmware"
             in_progress: true
             update_percentage: 67
         - name: forced-in-progress
           summary: Forced OTA install — same installed and target version
           payload:
             installed_version: "2026.06.21"
             latest_version: "2026.06.21 (Forced)"
-            title: "Flashing Firmware"
+            title: "Updating Firmware"
             in_progress: true
             update_percentage: 42
         - name: failed
@@ -1420,11 +1420,11 @@ components:
           type: string
           description: >
             Label indicating which partition is currently being flashed,
-            e.g. "Flashing Firmware" or "Flashing UI". Present only when
+            e.g. "Updating Firmware" or "Updating UI". Present only when
             in_progress is true.
           examples:
-            - "Flashing Firmware"
-            - "Flashing UI"
+            - "Updating Firmware"
+            - "Updating UI"
         in_progress:
           type: boolean
           description: Whether the OTA update is still in progress. False indicates failure or completion.