refactor: QC report - 'Trace Profile' → 'FS Profile'

- Display format: FS#123 instead of Trace #123
- Update labels: 'Traces' → 'FS'
- Update messages: 'clusters' → 'groups'

src/views/PeopleView.vue

@@ -394,7 +394,7 @@
           <div class="ms-qc-stats">
             <div class="ms-qc-stat">
               <span class="ms-qc-stat-value">{{ qcProgress.total }}</span>
-              <span class="ms-qc-stat-label">Traces</span>
+              <span class="ms-qc-stat-label">FS</span>
             </div>
             <div class="ms-qc-stat">
               <span class="ms-qc-stat-value">{{ qcProgress.current }}</span>
@@ -443,7 +443,7 @@
             <h3>⚠️ Profile Issues ({{ qcProfileIssues.length }})</h3>
             <div class="ms-qc-issues-list">
               <div v-for="(p, i) in qcProfileIssues.slice(0, 10)" :key="i" class="ms-qc-issue-item">
-                <span class="ms-qc-issue-trace">Trace #{{ p.traceId }}</span>
+                <span class="ms-qc-issue-trace">FS#{{ p.traceId }}</span>
                 <span class="ms-qc-issue-group">{{ p.groupName }}</span>
                 <span class="ms-qc-issue-status" :class="{ fail: !p.canRead }">{{ p.canRead ? '✓ R' : '✗ R' }}</span>
                 <span class="ms-qc-issue-status" :class="{ fail: !p.canWrite }">{{ p.canWrite ? '✓ W' : '✗ W' }}</span>
@@ -2029,7 +2029,7 @@ async function runDataQC() {
   qcReport.value.push({
     check: 'Traces from Clusters',
     status: totalTraces > 0 ? 'PASS' : 'WARN',
-    details: `${totalTraces} traces in ${faceGroups.value.length} clusters`
+    details: `${totalTraces} FS in ${faceGroups.value.length} groups`
   })
   
   // ===== 3. TEST TRACE PROFILES =====
@@ -2046,7 +2046,7 @@ async function runDataQC() {
     
     const trace = clusterTracesMap.value[String(traceId)]
     const groupName = traceGroupMap.value[String(traceId)] || 'Unknown'
-    qcProgress.value.status = `Testing #${traceId} (${groupName})`
+    qcProgress.value.status = `Testing FS#${traceId} (${groupName})`
     
     const result: { traceId: number; fileUuid: string; groupName: string; canRead: boolean; canWrite: boolean; hasKeyFrame: boolean; hasKeyFace: boolean; error?: string } = { 
       traceId, 
@@ -2104,7 +2104,7 @@ async function runDataQC() {
     missingBoth: tested - withKeyFrame - withKeyFace + profileIssues.filter(p => p.hasKeyFrame && p.hasKeyFace).length
   }
   
-  // Trace profile summary
+  // FS profile summary
   const readFailures = profileIssues.filter(r => !r.canRead).length
   const writeFailures = profileIssues.filter(r => !r.canWrite).length
   const validTraceCount = tested
@@ -2112,7 +2112,7 @@ async function runDataQC() {
   const missingKeyFace = validTraceCount - withKeyFace
   
   qcReport.value.push({
-    check: 'Trace Profile Read',
+    check: 'FS Profile Read',
     status: readFailures === 0 ? 'PASS' : 'FAIL',
     details: readFailures === 0 
       ? `All ${validTraceCount} readable`
@@ -2120,7 +2120,7 @@ async function runDataQC() {
   })
   
   qcReport.value.push({
-    check: 'Trace Profile Write',
+    check: 'FS Profile Write',
     status: writeFailures === 0 ? 'PASS' : 'FAIL',
     details: writeFailures === 0 
       ? `All ${validTraceCount} writable`