Fix TypeScript any types and remove deprecated Dexie code

- Replace Record<string, any> with Record<string, string> for query params
- Fix error handling from catch(err: any) to catch(err: unknown)
- Add EntityData interface for proper entity typing
- Update EntitySelectionEvent interface with union types
- Remove USE_DEXIE_DB conditionals and unused import
- Clean up database service calls removing Dexie fallbacks

Resolves 9 TypeScript any type warnings, improves type safety across
entity selection components, and removes deprecated database migration code.

src/components/SpecialEntityCard.vue

@@ -0,0 +1,135 @@
+/** * SpecialEntityCard.vue - Special entity display component * * Extracted
+from GiftedDialog.vue to handle special entities like "You" * and "Unnamed" with
+conflict detection and selection capability. * * @author Matthew Raymer */
+<template>
+  <li :class="cardClasses" @click="handleClick">
+    <font-awesome :icon="icon" :class="iconClasses" />
+    <h3 :class="nameClasses">
+      {{ label }}
+    </h3>
+  </li>
+</template>
+
+<script lang="ts">
+import { Component, Prop, Vue } from "vue-facing-decorator";
+import { Emit } from "vue-facing-decorator";
+
+/**
+ * SpecialEntityCard - Displays special entities with selection capability
+ *
+ * Features:
+ * - Displays special entities like "You" and "Unnamed"
+ * - Shows appropriate FontAwesome icons
+ * - Handles conflict states and selection
+ * - Emits selection events with entity data
+ * - Configurable styling based on entity type
+ */
+@Component({
+  emits: ["entity-selected"],
+})
+export default class SpecialEntityCard extends Vue {
+  /** Type of special entity */
+  @Prop({ required: true })
+  entityType!: "you" | "unnamed";
+
+  /** Display label for the entity */
+  @Prop({ required: true })
+  label!: string;
+
+  /** FontAwesome icon name */
+  @Prop({ required: true })
+  icon!: string;
+
+  /** Whether this entity can be selected */
+  @Prop({ default: true })
+  selectable!: boolean;
+
+  /** Whether selecting this entity would create a conflict */
+  @Prop({ default: false })
+  conflicted!: boolean;
+
+  /** Entity data to emit when selected */
+  @Prop({ required: true })
+  entityData!: { did?: string; name: string };
+
+  /**
+   * Computed CSS classes for the card container
+   */
+  get cardClasses(): string {
+    const baseClasses = "block";
+
+    if (!this.selectable || this.conflicted) {
+      return `${baseClasses} cursor-not-allowed opacity-50`;
+    }
+
+    return `${baseClasses} cursor-pointer`;
+  }
+
+  /**
+   * Computed CSS classes for the icon
+   */
+  get iconClasses(): string {
+    const baseClasses = "text-5xl mb-1";
+
+    if (this.conflicted) {
+      return `${baseClasses} text-slate-400`;
+    }
+
+    // Different colors for different entity types
+    switch (this.entityType) {
+      case "you":
+        return `${baseClasses} text-blue-500`;
+      case "unnamed":
+        return `${baseClasses} text-slate-400`;
+      default:
+        return `${baseClasses} text-slate-400`;
+    }
+  }
+
+  /**
+   * Computed CSS classes for the entity name/label
+   */
+  get nameClasses(): string {
+    const baseClasses =
+      "text-xs font-medium text-ellipsis whitespace-nowrap overflow-hidden";
+
+    if (this.conflicted) {
+      return `${baseClasses} text-slate-400`;
+    }
+
+    // Different colors for different entity types
+    switch (this.entityType) {
+      case "you":
+        return `${baseClasses} text-blue-500`;
+      case "unnamed":
+        return `${baseClasses} text-slate-500 italic`;
+      default:
+        return `${baseClasses} text-slate-500`;
+    }
+  }
+
+  /**
+   * Handle card click - only emit if selectable and not conflicted
+   */
+  handleClick(): void {
+    if (this.selectable && !this.conflicted) {
+      this.emitEntitySelected({
+        type: "special",
+        entityType: this.entityType,
+        data: this.entityData,
+      });
+    }
+  }
+
+  // Emit methods using @Emit decorator
+
+  @Emit("entity-selected")
+  emitEntitySelected(data: any): any {
+    return data;
+  }
+}
+</script>
+
+<style scoped>
+/* Component-specific styles if needed */
+</style>