Convert Vue components to use @Emit decorator instead of manual emits declarations

Replace manual emits declarations with proper @Emit decorator usage across components:
- ActivityListItem: Add @Emit methods for viewImage, loadClaim, confirmClaim
- ContactInputForm: Convert handleQRScan to use @Emit("qr-scan")
- ContactBulkActions: Add @Emit methods for toggle-all-selection, copy-selected
- ContactListHeader: Add @Emit methods for all 5 emitted events
- MembersList: Add @Emit("error") method for error handling
- LargeIdenticonModal: Add @Emit("close") method
- ContactListItem: Add @Emit methods for all 4 emitted events

Update all templates to call emit methods instead of direct $emit calls.
Fix TypeScript type issues with optional parameters.
Resolves Vue warning about undeclared emitted events.

Follows vue-facing-decorator best practices and improves code consistency.

src/utils/PlatformServiceMixin.ts

@@ -87,7 +87,7 @@ interface VueComponentWithMixin {
 //   VueComponentWithMixin,
 //   Map<string, CacheEntry<unknown>>
 // >();
-// 
+//
 // /**
 //  * Cache configuration constants
 //  */
@@ -220,13 +220,20 @@ export const PlatformServiceMixin = {
         const obj: Record<string, unknown> = {};
         columns.forEach((column, index) => {
           let value = row[index];
-          
+
           // Convert SQLite integer booleans to JavaScript booleans
-          if (column === 'isRegistered' || column === 'finishedOnboarding' || 
-              column === 'filterFeedByVisible' || column === 'filterFeedByNearby' ||
-              column === 'hideRegisterPromptOnNewContact' || column === 'showContactGivesInline' ||
-              column === 'showGeneralAdvanced' || column === 'showShortcutBvc' ||
-              column === 'warnIfProdServer' || column === 'warnIfTestServer') {
+          if (
+            column === "isRegistered" ||
+            column === "finishedOnboarding" ||
+            column === "filterFeedByVisible" ||
+            column === "filterFeedByNearby" ||
+            column === "hideRegisterPromptOnNewContact" ||
+            column === "showContactGivesInline" ||
+            column === "showGeneralAdvanced" ||
+            column === "showShortcutBvc" ||
+            column === "warnIfProdServer" ||
+            column === "warnIfTestServer"
+          ) {
             if (value === 1) {
               value = true;
             } else if (value === 0) {
@@ -234,7 +241,7 @@ export const PlatformServiceMixin = {
             }
             // Keep null values as null
           }
-          
+
           obj[column] = value;
         });
         return obj;
@@ -244,7 +251,7 @@ export const PlatformServiceMixin = {
     /**
      * Self-contained implementation of parseJsonField
      * Safely parses JSON strings with fallback to default value
-     * 
+     *
      * Consolidate this with src/libs/util.ts parseJsonField
      */
     _parseJsonField<T>(value: unknown, defaultValue: T): T {
@@ -1403,7 +1410,9 @@ export const PlatformServiceMixin = {
         );
 
         if (!result?.values?.length) {
-          logger.warn(`[PlatformServiceMixin] No settings found for DID: ${did}`);
+          logger.warn(
+            `[PlatformServiceMixin] No settings found for DID: ${did}`,
+          );
           return null;
         }
 
@@ -1413,7 +1422,9 @@ export const PlatformServiceMixin = {
         );
 
         if (!mappedResults.length) {
-          logger.warn(`[PlatformServiceMixin] Failed to map settings for DID: ${did}`);
+          logger.warn(
+            `[PlatformServiceMixin] Failed to map settings for DID: ${did}`,
+          );
           return null;
         }
 
@@ -1428,7 +1439,10 @@ export const PlatformServiceMixin = {
 
         return settings;
       } catch (error) {
-        logger.error(`[PlatformServiceMixin] Error debugging settings for DID ${did}:`, error);
+        logger.error(
+          `[PlatformServiceMixin] Error debugging settings for DID ${did}:`,
+          error,
+        );
         return null;
       }
     },
@@ -1442,14 +1456,24 @@ export const PlatformServiceMixin = {
     async $debugMergedSettings(did: string): Promise<void> {
       try {
         // Get default settings
-        const defaultSettings = await this.$getSettings(MASTER_SETTINGS_KEY, {});
-        logger.info(`[PlatformServiceMixin] Default settings:`, defaultSettings);
+        const defaultSettings = await this.$getSettings(
+          MASTER_SETTINGS_KEY,
+          {},
+        );
+        logger.info(
+          `[PlatformServiceMixin] Default settings:`,
+          defaultSettings,
+        );
 
         // Get DID-specific settings
         const didSettings = await this.$debugDidSettings(did);
 
         // Get merged settings
-        const mergedSettings = await this.$getMergedSettings(MASTER_SETTINGS_KEY, did, defaultSettings || {});
+        const mergedSettings = await this.$getMergedSettings(
+          MASTER_SETTINGS_KEY,
+          did,
+          defaultSettings || {},
+        );
 
         logger.info(`[PlatformServiceMixin] Merged settings for ${did}:`, {
           defaultSettings,
@@ -1458,7 +1482,10 @@ export const PlatformServiceMixin = {
           isRegistered: mergedSettings.isRegistered,
         });
       } catch (error) {
-        logger.error(`[PlatformServiceMixin] Error debugging merged settings for DID ${did}:`, error);
+        logger.error(
+          `[PlatformServiceMixin] Error debugging merged settings for DID ${did}:`,
+          error,
+        );
       }
     },
   },