Fix duplicate export declarations and migrate ContactsView with sub-components

- Remove duplicate NOTIFY_INVITE_MISSING and NOTIFY_INVITE_PROCESSING_ERROR exports
- Update InviteOneAcceptView.vue to use correct NOTIFY_INVITE_TRUNCATED_DATA constant
- Migrate ContactsView to PlatformServiceMixin and extract into modular sub-components
- Resolves TypeScript compilation errors preventing web build

src/components/ContactInputForm.vue

@@ -0,0 +1,98 @@
+<template>
+  <div id="formAddNewContact" class="mt-4 mb-4 flex items-stretch">
+    <!-- Action Buttons -->
+    <span v-if="isRegistered" class="flex">
+      <router-link
+        :to="{ name: 'invite-one' }"
+        class="flex items-center bg-gradient-to-b from-green-400 to-green-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-1 mr-1 rounded-md"
+      >
+        <font-awesome icon="envelope-open-text" class="fa-fw text-2xl" />
+      </router-link>
+
+      <button
+        class="flex items-center bg-gradient-to-b from-green-400 to-green-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-1 mr-1 rounded-md"
+        @click="$emit('show-onboard-meeting')"
+      >
+        <font-awesome icon="chair" class="fa-fw text-2xl" />
+      </button>
+    </span>
+    <span v-else class="flex">
+      <span
+        class="flex items-center bg-gradient-to-b from-slate-400 to-slate-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-1 mr-1 rounded-md"
+      >
+        <font-awesome
+          icon="envelope-open-text"
+          class="fa-fw text-2xl"
+          @click="$emit('registration-required')"
+        />
+      </span>
+      <span
+        class="flex items-center bg-gradient-to-b from-green-400 to-green-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-1 mr-1 rounded-md"
+      >
+        <font-awesome
+          icon="chair"
+          class="fa-fw text-2xl"
+          @click="$emit('navigate-onboard-meeting')"
+        />
+      </span>
+    </span>
+
+    <!-- QR Code Button -->
+    <button
+      class="flex items-center bg-gradient-to-b from-green-400 to-green-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-1 mr-1 rounded-md"
+      @click="$emit('qr-scan')"
+    >
+      <font-awesome icon="qrcode" class="fa-fw text-2xl" />
+    </button>
+
+    <!-- Contact Input -->
+    <textarea
+      v-model="inputValue"
+      type="text"
+      placeholder="New URL or DID, Name, Public Key, Next Public Key Hash"
+      class="block w-full rounded-l border border-r-0 border-slate-400 px-3 py-2 h-10"
+    />
+    
+    <!-- Add Button -->
+    <button
+      class="px-4 rounded-r bg-green-200 border border-green-400"
+      @click="$emit('submit', inputValue)"
+    >
+      <font-awesome icon="plus" class="fa-fw" />
+    </button>
+  </div>
+</template>
+
+<script lang="ts">
+import { Component, Vue, Prop, Model } from "vue-facing-decorator";
+
+/**
+ * ContactInputForm - Contact input form component
+ *
+ * Provides a form for adding new contacts with various input formats.
+ * Includes action buttons for invites, meetings, and QR scanning.
+ *
+ * @author Matthew Raymer
+ */
+@Component({
+  name: "ContactInputForm",
+})
+export default class ContactInputForm extends Vue {
+  @Prop({ required: true }) isRegistered!: boolean;
+  
+  @Model("input", { type: String, default: "" })
+  inputValue!: string;
+
+  /**
+   * Update the input value and emit change event
+   */
+  set input(value: string) {
+    this.inputValue = value;
+    this.$emit("input", value);
+  }
+
+  get input(): string {
+    return this.inputValue;
+  }
+}
+</script>