feat(processes): surface processes in the Knowledge view

Task 5 of #582. Add 'process' to the KnowledgeItem/activeType/KnowledgeCounts
types, a Processes entry in the type-filter row, a Workflow-icon quick-create
button (createNew('process') -> /notes/new?type=process), and a Process card
badge.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/src/views/KnowledgeView.vue

@@ -10,6 +10,7 @@ import {
   User,
   MapPin,
   List,
+  Workflow,
   Search,
   Share2,
   ChevronLeft,
@@ -23,7 +24,7 @@ const router = useRouter();
 
 interface KnowledgeItem {
   id: number;
-  note_type: "note" | "person" | "place" | "list" | "task";
+  note_type: "note" | "person" | "place" | "list" | "task" | "process";
   title: string;
   snippet: string;
   tags: string[];
@@ -61,7 +62,7 @@ interface UpcomingEvent {
 
 // ─── Filter state ─────────────────────────────────────────────────────────────
 
-const activeType = ref<"" | "note" | "person" | "place" | "list" | "task" | "plan">("");
+const activeType = ref<"" | "note" | "person" | "place" | "list" | "task" | "plan" | "process">("");
 const activeTag = ref("");
 const sortMode = ref<"modified" | "created" | "alpha" | "type">("modified");
 const searchQuery = ref("");
@@ -69,8 +70,8 @@ let searchDebounce: ReturnType<typeof setTimeout> | null = null;
 
 // ─── Type counts ──────────────────────────────────────────────────────────────
 
-interface KnowledgeCounts { note: number; person: number; place: number; list: number; task: number; plan: number; total: number }
-const typeCounts = ref<KnowledgeCounts>({ note: 0, person: 0, place: 0, list: 0, task: 0, plan: 0, total: 0 });
+interface KnowledgeCounts { note: number; person: number; place: number; list: number; task: number; plan: number; process: number; total: number }
+const typeCounts = ref<KnowledgeCounts>({ note: 0, person: 0, place: 0, list: 0, task: 0, plan: 0, process: 0, total: 0 });
 
 async function fetchCounts() {
   try {
@@ -403,6 +404,10 @@ onUnmounted(() => {
               <List :size="16" />
               List
             </button>
+            <button @click="createNew('process')">
+              <Workflow :size="16" />
+              Process
+            </button>
           </div>
         </div>
 
@@ -417,11 +422,11 @@ onUnmounted(() => {
             <span v-if="typeCounts.total > 1" class="filter-count">{{ typeCounts.total }}</span>
           </button>
           <button
-            v-for="[val, label, key] in ([['note','Notes','note'],['task','Tasks','task'],['plan','Plans','plan'],['person','People','person'],['place','Places','place'],['list','Lists','list']] as [string,string,string][])"
+            v-for="[val, label, key] in ([['note','Notes','note'],['task','Tasks','task'],['plan','Plans','plan'],['person','People','person'],['place','Places','place'],['list','Lists','list'],['process','Processes','process']] as [string,string,string][])"
             :key="val"
             class="filter-btn"
             :class="{ active: activeType === val }"
-            @click="activeType = (val as '' | 'note' | 'person' | 'place' | 'list' | 'task' | 'plan')"
+            @click="activeType = (val as '' | 'note' | 'person' | 'place' | 'list' | 'task' | 'plan' | 'process')"
           >
             <span class="filter-btn-label">{{ label }}</span>
             <span v-if="typeCounts[key as keyof KnowledgeCounts] > 1" class="filter-count">{{ typeCounts[key as keyof KnowledgeCounts] }}</span>
@@ -494,6 +499,7 @@ onUnmounted(() => {
               <span v-else-if="item.note_type === 'person'">Person</span>
               <span v-else-if="item.note_type === 'place'">Place</span>
               <span v-else-if="item.note_type === 'task'">{{ item.task_kind === 'plan' ? 'Plan' : 'Task' }}</span>
+              <span v-else-if="item.note_type === 'process'">Process</span>
               <span v-else>List</span>
             </span>