docs: merge notification system docs into single Native-First guide

- Consolidate 5 notification-system-* files into doc/notification-system.md
- Add web-push cleanup guide and Start-on-Login glossary entry
- Configure markdownlint for consistent formatting
- Remove web-push references, focus on native OS scheduling

Reduces maintenance overhead while preserving all essential information
in a single, well-formatted reference document.

src/components/DataExportSection.vue

@@ -16,6 +16,12 @@ messages * - Conditional UI based on platform capabilities * * @component *
       :to="{ name: 'seed-backup' }"
       :class="backupButtonClasses"
     >
+      <!-- Notification dot - show while the user has not yet backed up their seed phrase -->
+      <font-awesome
+        v-if="!hasBackedUpSeed"
+        icon="circle"
+        class="absolute -right-[8px] -top-[8px] text-rose-500 text-[14px] border border-white rounded-full"
+      ></font-awesome>
       Backup Identifier Seed
     </router-link>
 
@@ -98,6 +104,12 @@ export default class DataExportSection extends Vue {
    */
   isExporting = false;
 
+  /**
+   * Flag indicating if the user has backed up their seed phrase
+   * Used to control the visibility of the notification dot
+   */
+  hasBackedUpSeed = false;
+
   /**
    * Notification helper for consistent notification patterns
    * Created as a getter to ensure $notify is available when called
@@ -129,7 +141,7 @@ export default class DataExportSection extends Vue {
    * CSS classes for the backup button (router link)
    */
   get backupButtonClasses(): string {
-    return "block w-full text-center text-md bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md mb-2 mt-2";
+    return "block relative w-full text-center text-md bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md mb-2 mt-2";
   }
 
   /**
@@ -218,6 +230,22 @@ export default class DataExportSection extends Vue {
 
   created() {
     this.notify = createNotifyHelpers(this.$notify);
+    this.loadSeedBackupStatus();
+  }
+
+  /**
+   * Loads the seed backup status from account settings
+   * Updates the hasBackedUpSeed flag to control notification dot visibility
+   */
+  private async loadSeedBackupStatus(): Promise<void> {
+    try {
+      const settings = await this.$accountSettings();
+      this.hasBackedUpSeed = !!settings.hasBackedUpSeed;
+    } catch (err: unknown) {
+      logger.error("Failed to load seed backup status:", err);
+      // Default to false (show notification dot) if we can't load the setting
+      this.hasBackedUpSeed = false;
+    }
   }
 }
 </script>

src/components/GiftedDialog.vue

@@ -82,6 +82,7 @@ import GiftDetailsStep from "../components/GiftDetailsStep.vue";
 import { PlanData } from "../interfaces/records";
 import { PlatformServiceMixin } from "@/utils/PlatformServiceMixin";
 import { createNotifyHelpers, TIMEOUTS, NotifyFunction } from "@/utils/notify";
+import { showSeedPhraseReminder } from "@/utils/seedPhraseReminder";
 import {
   NOTIFY_GIFT_ERROR_NEGATIVE_AMOUNT,
   NOTIFY_GIFT_ERROR_NO_DESCRIPTION,
@@ -420,6 +421,15 @@ export default class GiftedDialog extends Vue {
         );
       } else {
         this.safeNotify.success("That gift was recorded.", TIMEOUTS.VERY_LONG);
+
+        // Show seed phrase backup reminder if needed
+        try {
+          const settings = await this.$accountSettings();
+          showSeedPhraseReminder(!!settings.hasBackedUpSeed, this.$notify);
+        } catch (error) {
+          logger.error("Error checking seed backup status:", error);
+        }
+
         if (this.callbackOnSuccess) {
           this.callbackOnSuccess(amount);
         }

src/components/OfferDialog.vue

@@ -64,6 +64,7 @@ import * as libsUtil from "../libs/util";
 import { logger } from "../utils/logger";
 import { PlatformServiceMixin } from "@/utils/PlatformServiceMixin";
 import { createNotifyHelpers, TIMEOUTS } from "@/utils/notify";
+import { showSeedPhraseReminder } from "@/utils/seedPhraseReminder";
 import {
   NOTIFY_OFFER_SETTINGS_ERROR,
   NOTIFY_OFFER_RECORDING,
@@ -303,6 +304,14 @@ export default class OfferDialog extends Vue {
         );
       } else {
         this.notify.success(NOTIFY_OFFER_SUCCESS.message, TIMEOUTS.VERY_LONG);
+
+        // Show seed phrase backup reminder if needed
+        try {
+          const settings = await this.$accountSettings();
+          showSeedPhraseReminder(!!settings.hasBackedUpSeed, this.$notify);
+        } catch (error) {
+          logger.error("Error checking seed backup status:", error);
+        }
       }
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
     } catch (error: any) {