diff --git a/frontend/src/routes/inbox/+page.svelte b/frontend/src/routes/inbox/+page.svelte
index 0c74b1c..4c2156d 100644
--- a/frontend/src/routes/inbox/+page.svelte
+++ b/frontend/src/routes/inbox/+page.svelte
@@ -1,20 +1,67 @@
 <script>
+  // Phase F — Inbox 분류 UX 전면 재작성.
+  // - F.1: review_status: 'approved' PATCH body 누락 버그 수정 + 미분류 가드
+  // - F.2: runes mode + ui/* 프리미티브
+  // - F.3: source/format 필터 row (confidence는 백엔드 대기)
+  // - F.4: 처리 단계 타임스탬프 Badge 3개 (stop-gap)
+  // - F.5: 행별 도메인 override + tag 인라인 (로컬 state, 승인 시 반영)
+  // - F.6: 배치 override modal + (재시도 stub는 queue retry 백엔드 대기)
   import { onMount } from 'svelte';
   import { api } from '$lib/api';
   import { addToast } from '$lib/stores/toast';
+  import { ui } from '$lib/stores/uiState.svelte';
+  import { pLimit } from '$lib/utils/pLimit';
+  import { AlertTriangle, CheckCircle2, RotateCcw, Inbox as InboxIcon } from 'lucide-svelte';
+  import Card from '$lib/components/ui/Card.svelte';
+  import Button from '$lib/components/ui/Button.svelte';
+  import Select from '$lib/components/ui/Select.svelte';
+  import TextInput from '$lib/components/ui/TextInput.svelte';
+  import Badge from '$lib/components/ui/Badge.svelte';
+  import EmptyState from '$lib/components/ui/EmptyState.svelte';
+  import Skeleton from '$lib/components/ui/Skeleton.svelte';
+  import Modal from '$lib/components/ui/Modal.svelte';
+  import ConfirmDialog from '$lib/components/ui/ConfirmDialog.svelte';
+  import FormatIcon from '$lib/components/FormatIcon.svelte';
+  import TagPill from '$lib/components/TagPill.svelte';
 
-  let documents = [];
-  let loading = true;
-  let selected = new Set();
+  const DOMAIN_OPTIONS = [
+    { value: 'Knowledge/Philosophy', label: 'Knowledge / Philosophy' },
+    { value: 'Knowledge/Language', label: 'Knowledge / Language' },
+    { value: 'Knowledge/Engineering', label: 'Knowledge / Engineering' },
+    { value: 'Knowledge/Industrial_Safety', label: 'Knowledge / Industrial Safety' },
+    { value: 'Knowledge/Programming', label: 'Knowledge / Programming' },
+    { value: 'Knowledge/General', label: 'Knowledge / General' },
+    { value: 'Reference', label: 'Reference' },
+  ];
+
+  const MAX_SELECTION = 50;
+
+  let documents = $state([]);
+  let loading = $state(true);
+  let busy = $state(false);
+
+  // 선택
+  let selected = $state(new Set());
+
+  // F.3 필터
+  let filterSource = $state('');
+  let filterFormat = $state('');
+
+  // F.5 행별 override Map<id, { domain?, tags? }>
+  let overrides = $state(new Map());
+
+  // F.6 batch override 입력
+  let batchDomainValue = $state('');
+  let batchTagValue = $state('');
 
   onMount(loadInbox);
 
   async function loadInbox() {
     loading = true;
     try {
-      // Inbox 파일만 필터
-      const data = await api('/documents/?page_size=100');
-      documents = data.items.filter(d => d.review_status === 'pending');
+      // TODO(backend): /documents/?review_status=pending 서버 필터 지원 시 page_size 축소
+      const data = await api('/documents/?page_size=200');
+      documents = (data.items || []).filter((d) => d.review_status === 'pending');
     } catch (err) {
       addToast('error', 'Inbox 로딩 실패');
     } finally {
@@ -22,169 +69,424 @@
     }
   }
 
+  // Derived
+  let filteredDocs = $derived(
+    documents.filter((d) => {
+      if (filterSource && d.source_channel !== filterSource) return false;
+      if (filterFormat && d.file_format !== filterFormat) return false;
+      return true;
+    })
+  );
+
+  let sourceOptions = $derived.by(() => {
+    const set = new Set(documents.map((d) => d.source_channel).filter(Boolean));
+    return [
+      { value: '', label: '모든 소스' },
+      ...[...set].map((s) => ({ value: s, label: s })),
+    ];
+  });
+
+  let formatOptions = $derived.by(() => {
+    const set = new Set(documents.map((d) => d.file_format).filter(Boolean));
+    return [
+      { value: '', label: '모든 형식' },
+      ...[...set].map((f) => ({ value: f, label: f.toUpperCase() })),
+    ];
+  });
+
+  // Helper: override 고려한 effective domain/tags
+  function effectiveDomain(doc) {
+    const ov = overrides.get(doc.id);
+    if (ov && ov.domain !== undefined) return ov.domain;
+    return doc.ai_domain ?? '';
+  }
+
+  function effectiveTags(doc) {
+    const ov = overrides.get(doc.id);
+    if (ov && ov.tags !== undefined) return ov.tags;
+    return doc.ai_tags ?? [];
+  }
+
+  function isApprovable(doc) {
+    return !!effectiveDomain(doc);
+  }
+
+  // F.5 override setter
+  function setDomainOverride(id, value) {
+    const next = new Map(overrides);
+    const existing = next.get(id) ?? {};
+    next.set(id, { ...existing, domain: value });
+    overrides = next;
+  }
+
+  function clearOverride(id) {
+    const next = new Map(overrides);
+    next.delete(id);
+    overrides = next;
+    // 미분류로 돌아가면 선택에서도 제거
+    const doc = documents.find((d) => d.id === id);
+    if (doc && !isApprovable(doc) && selected.has(id)) {
+      const nextSel = new Set(selected);
+      nextSel.delete(id);
+      selected = nextSel;
+    }
+  }
+
+  // Selection
   function toggleSelect(id) {
-    if (selected.has(id)) selected.delete(id);
-    else selected.add(id);
-    selected = selected; // 반응성 트리거
+    const doc = documents.find((d) => d.id === id);
+    if (!doc || !isApprovable(doc)) return;
+    const next = new Set(selected);
+    if (next.has(id)) next.delete(id);
+    else next.add(id);
+    selected = next;
   }
 
   function toggleAll() {
-    if (selected.size === documents.length) {
+    const approvable = filteredDocs.filter(isApprovable);
+    const allSelected = approvable.length > 0 && approvable.every((d) => selected.has(d.id));
+    if (allSelected) {
       selected = new Set();
     } else {
-      selected = new Set(documents.map(d => d.id));
+      selected = new Set(approvable.map((d) => d.id));
     }
   }
 
-  let approving = false;
-  let showConfirm = false;
-
-  function startApprove() {
-    if (selected.size === 0) {
-      addToast('warning', '선택된 문서가 없습니다');
-      return;
-    }
-    showConfirm = true;
-  }
+  let selectionCount = $derived(selected.size);
+  let selectionOverLimit = $derived(selectionCount > MAX_SELECTION);
+  let approvableCount = $derived(filteredDocs.filter(isApprovable).length);
+  let unclassifiedCount = $derived(documents.filter((d) => !isApprovable(d)).length);
 
+  // F.1 fix + 일괄 승인 (pLimit 5)
   async function confirmApprove() {
-    showConfirm = false;
-    approving = true;
-    let success = 0;
     const ids = [...selected];
-
-    for (const id of ids) {
-      try {
-        // AI 분류 결과 그대로 승인 (Inbox에서 이동은 classify_worker가 처리)
-        const doc = documents.find(d => d.id === id);
-        if (doc?.ai_domain) {
-          await api(`/documents/${id}`, {
-            method: 'PATCH',
-            body: JSON.stringify({ source_channel: 'inbox_route' }),
-          });
-          success++;
-        }
-      } catch { /* skip */ }
-    }
-
-    addToast('success', `${success}건 승인 완료`);
+    if (ids.length === 0 || ids.length > MAX_SELECTION) return;
+    busy = true;
+    const limit = pLimit(5);
+    const results = await Promise.allSettled(
+      ids.map((id) => limit(() => approveOne(id)))
+    );
+    busy = false;
+    const success = results.filter((r) => r.status === 'fulfilled').length;
+    const failed = results.length - success;
+    if (success > 0) addToast('success', `${success}건 승인 완료`);
+    if (failed > 0) addToast('error', `${failed}건 실패`);
     selected = new Set();
-    approving = false;
+    overrides = new Map();
     loadInbox();
   }
 
-  async function updateDomain(id, domain) {
-    try {
-      await api(`/documents/${id}`, {
-        method: 'PATCH',
-        body: JSON.stringify({ ai_domain: domain }),
-      });
-      documents = documents.map(d => d.id === id ? { ...d, ai_domain: domain } : d);
-      addToast('success', '도메인 변경됨');
-    } catch {
-      addToast('error', '변경 실패');
-    }
+  async function approveOne(id) {
+    const doc = documents.find((d) => d.id === id);
+    if (!doc) return;
+    const ov = overrides.get(id) ?? {};
+    const body = {
+      review_status: 'approved', // F.1: 누락 버그 수정 (핵심)
+      ai_domain: ov.domain ?? doc.ai_domain,
+    };
+    if (ov.tags !== undefined) body.ai_tags = ov.tags;
+    return api(`/documents/${id}`, {
+      method: 'PATCH',
+      body: JSON.stringify(body),
+    });
   }
 
-  const DOMAINS = [
-    'Knowledge/Philosophy',
-    'Knowledge/Language',
-    'Knowledge/Engineering',
-    'Knowledge/Industrial_Safety',
-    'Knowledge/Programming',
-    'Knowledge/General',
-    'Reference',
-  ];
+  // F.6 배치 override — 로컬 상태만 변경, 실제 PATCH는 승인 시점에
+  function applyBatchDomain() {
+    if (!batchDomainValue) return;
+    const next = new Map(overrides);
+    for (const id of selected) {
+      const existing = next.get(id) ?? {};
+      next.set(id, { ...existing, domain: batchDomainValue });
+    }
+    overrides = next;
+    addToast('success', `${selected.size}건에 도메인 override`);
+    batchDomainValue = '';
+    ui.closeModal('batch-override-domain');
+  }
+
+  function applyBatchTag() {
+    const tag = batchTagValue.trim();
+    if (!tag) return;
+    const next = new Map(overrides);
+    for (const id of selected) {
+      const doc = documents.find((d) => d.id === id);
+      const existing = next.get(id) ?? {};
+      const current = existing.tags ?? doc?.ai_tags ?? [];
+      if (!current.includes(tag)) {
+        next.set(id, { ...existing, tags: [...current, tag] });
+      }
+    }
+    overrides = next;
+    addToast('success', `${selected.size}건에 태그 추가`);
+    batchTagValue = '';
+    ui.closeModal('batch-override-tag');
+  }
+
+  // F.6 재시도 stub — 백엔드 POST /queue/retry 대기
+  function retryStub() {
+    addToast('warning', '재시도 엔드포인트 구현 대기 중 (TODO backend)');
+  }
 </script>
 
-<div class="p-4 lg:p-6">
+<div class="p-4 lg:p-6 max-w-5xl mx-auto">
+  <!-- 헤더 -->
   <div class="flex items-center justify-between mb-4">
     <div class="flex items-center gap-3">
-      <h2 class="text-lg font-semibold">Inbox</h2>
-      <span class="text-xs px-2 py-0.5 rounded-full bg-[var(--warning)] text-black">{documents.length}</span>
+      <h2 class="text-lg font-semibold text-text">Inbox</h2>
+      <Badge tone="warning" size="sm">{documents.length}</Badge>
+      {#if unclassifiedCount > 0}
+        <Badge tone="warning" size="sm">
+          <AlertTriangle size={10} />
+          미분류 {unclassifiedCount}
+        </Badge>
+      {/if}
     </div>
     <div class="flex items-center gap-2">
-      <button onclick={toggleAll} class="px-3 py-1.5 text-xs bg-[var(--surface)] border border-[var(--border)] rounded-lg">
-        {selected.size === documents.length ? '전체 해제' : '전체 선택'}
-      </button>
-      <button
-        onclick={startApprove}
-        disabled={approving || selected.size === 0}
-        class="px-4 py-1.5 text-xs bg-[var(--accent)] text-white rounded-lg disabled:opacity-50"
+      <Button
+        variant="ghost"
+        size="sm"
+        onclick={toggleAll}
+        disabled={approvableCount === 0}
       >
-        {approving ? '처리 중...' : `선택 승인 (${selected.size})`}
-      </button>
+        {selected.size === approvableCount && approvableCount > 0 ? '전체 해제' : '전체 선택'}
+      </Button>
+      <Button
+        variant="secondary"
+        size="sm"
+        icon={RotateCcw}
+        onclick={retryStub}
+        disabled
+        title="백엔드 구현 대기"
+      >
+        재시도
+      </Button>
+      <Button
+        variant="primary"
+        size="sm"
+        onclick={() => ui.openModal('approve-confirm')}
+        disabled={busy || selectionCount === 0 || selectionOverLimit}
+        loading={busy}
+      >
+        선택 승인 ({selectionCount})
+      </Button>
     </div>
   </div>
 
-  <div class="max-w-6xl mx-auto p-6">
-    {#if loading}
-      <div class="space-y-3">
-        {#each Array(3) as _}
-          <div class="bg-[var(--surface)] rounded-lg p-4 border border-[var(--border)] animate-pulse h-24"></div>
-        {/each}
-      </div>
-    {:else if documents.length === 0}
-      <div class="text-center py-20 text-[var(--text-dim)]">
-        <p class="text-lg">Inbox가 비어 있습니다</p>
-        <p class="text-sm mt-1">새 파일이 들어오면 자동으로 표시됩니다</p>
-      </div>
-    {:else}
-      <div class="space-y-3">
-        {#each documents as doc}
-          <div class="flex items-start gap-3 p-4 bg-[var(--surface)] border border-[var(--border)] rounded-lg" class:border-[var(--accent)]={selected.has(doc.id)}>
+  <!-- F.3 필터 row -->
+  <div class="flex flex-wrap items-center gap-2 mb-4">
+    <div class="w-44">
+      <Select bind:value={filterSource} options={sourceOptions} />
+    </div>
+    <div class="w-36">
+      <Select bind:value={filterFormat} options={formatOptions} />
+    </div>
+    <!-- confidence: TODO(backend) — ai_confidence 필드 추가 시 복원 -->
+  </div>
+
+  <!-- F.6 선택 toolbar (batch override) -->
+  {#if selectionCount > 0}
+    <div
+      class="sticky top-0 z-dropdown flex flex-wrap items-center gap-2 px-3 py-2 mb-4 rounded-md bg-accent/10 border border-accent/30 backdrop-blur-sm"
+    >
+      <span class="text-xs font-medium {selectionOverLimit ? 'text-error' : 'text-accent'}">
+        {selectionCount}건 선택
+        {#if selectionOverLimit}
+          <span class="ml-1">(최대 {MAX_SELECTION}건 초과)</span>
+        {/if}
+      </span>
+      <div class="flex-1"></div>
+      <Button
+        variant="secondary"
+        size="sm"
+        onclick={() => ui.openModal('batch-override-domain')}
+        disabled={selectionOverLimit}
+      >
+        일괄 도메인
+      </Button>
+      <Button
+        variant="secondary"
+        size="sm"
+        onclick={() => ui.openModal('batch-override-tag')}
+        disabled={selectionOverLimit}
+      >
+        일괄 태그
+      </Button>
+    </div>
+  {/if}
+
+  <!-- 목록 -->
+  {#if loading}
+    <div class="space-y-3">
+      {#each Array(3) as _}
+        <Skeleton h="h-28" rounded="card" />
+      {/each}
+    </div>
+  {:else if filteredDocs.length === 0}
+    <EmptyState
+      icon={InboxIcon}
+      title={documents.length === 0 ? 'Inbox가 비어 있습니다' : '필터 결과 없음'}
+      description={documents.length === 0
+        ? '새 파일이 들어오면 자동으로 표시됩니다.'
+        : '필터를 조정해 보세요.'}
+    />
+  {:else}
+    <div class="space-y-3">
+      {#each filteredDocs as doc (doc.id)}
+        {@const approvable = isApprovable(doc)}
+        {@const isChecked = selected.has(doc.id)}
+        {@const ov = overrides.get(doc.id) ?? {}}
+        {@const displayDomain = effectiveDomain(doc)}
+        {@const displayTags = effectiveTags(doc)}
+        {@const hasOverride = ov.domain !== undefined || ov.tags !== undefined}
+        <Card class={approvable ? '' : 'border-warning/50'}>
+          <div class="flex items-start gap-3">
             <input
               type="checkbox"
-              checked={selected.has(doc.id)}
+              checked={isChecked}
+              disabled={!approvable}
               onchange={() => toggleSelect(doc.id)}
-              class="mt-1 accent-[var(--accent)]"
+              class="mt-1 h-4 w-4 accent-accent disabled:opacity-40 disabled:cursor-not-allowed"
+              aria-label="{doc.title || '문서'} 선택"
             />
             <div class="flex-1 min-w-0">
-              <div class="flex items-center gap-2 mb-1">
-                <span class="text-xs px-1.5 py-0.5 rounded bg-[var(--border)] text-[var(--text-dim)] uppercase">{doc.file_format}</span>
-                <a href="/documents/{doc.id}" class="text-sm font-medium hover:text-[var(--accent)] truncate">{doc.title || '제목 없음'}</a>
+              <!-- 제목 + 미분류 경고 -->
+              <div class="flex items-center gap-2 mb-1 flex-wrap">
+                <span class="text-faint"><FormatIcon format={doc.file_format} size={14} /></span>
+                <a
+                  href="/documents/{doc.id}"
+                  class="text-sm font-medium text-text hover:text-accent truncate"
+                >
+                  {doc.title || '제목 없음'}
+                </a>
+                {#if !approvable}
+                  <Badge tone="warning" size="sm">
+                    <AlertTriangle size={10} />
+                    도메인 선택 필요
+                  </Badge>
+                {/if}
+                {#if hasOverride}
+                  <Badge tone="accent" size="sm">override</Badge>
+                {/if}
               </div>
               {#if doc.ai_summary}
-                <p class="text-xs text-[var(--text-dim)] truncate">{doc.ai_summary.slice(0, 120)}</p>
+                <p class="text-xs text-dim truncate mb-2">{doc.ai_summary.slice(0, 140)}</p>
               {/if}
-              <div class="flex items-center gap-2 mt-2">
-                <span class="text-xs text-[var(--text-dim)]">AI 분류:</span>
+
+              <!-- F.4 처리 단계 타임스탬프 -->
+              <div class="flex items-center gap-1.5 mb-2 flex-wrap">
+                <Badge tone={doc.extracted_at ? 'success' : 'neutral'} size="sm">
+                  {#if doc.extracted_at}<CheckCircle2 size={10} />{/if}
+                  추출
+                </Badge>
+                <Badge tone={doc.ai_processed_at ? 'success' : 'neutral'} size="sm">
+                  {#if doc.ai_processed_at}<CheckCircle2 size={10} />{/if}
+                  분류
+                </Badge>
+                <Badge tone={doc.embedded_at ? 'success' : 'neutral'} size="sm">
+                  {#if doc.embedded_at}<CheckCircle2 size={10} />{/if}
+                  임베딩
+                </Badge>
+                <span class="text-[10px] text-faint">
+                  · {doc.source_channel || '-'}
+                </span>
+              </div>
+
+              <!-- F.5 행별 override -->
+              <div class="flex items-center gap-2 flex-wrap">
+                <span class="text-[10px] text-dim shrink-0">도메인</span>
                 <select
-                  value={doc.ai_domain || ''}
-                  onchange={(e) => updateDomain(doc.id, e.target.value)}
-                  class="text-xs px-2 py-1 bg-[var(--bg)] border border-[var(--border)] rounded text-[var(--text)]"
+                  aria-label="도메인 선택"
+                  value={displayDomain}
+                  onchange={(e) => setDomainOverride(doc.id, e.currentTarget.value)}
+                  class="text-xs px-2 py-1 rounded bg-bg border border-default text-text focus:border-accent outline-none"
                 >
                   <option value="">미분류</option>
-                  {#each DOMAINS as d}
-                    <option value={d}>{d.replace('Knowledge/', '')}</option>
+                  {#each DOMAIN_OPTIONS as opt}
+                    <option value={opt.value}>{opt.label}</option>
                   {/each}
                 </select>
-                {#if doc.ai_tags?.length > 0}
-                  <div class="flex gap-1 ml-2">
-                    {#each doc.ai_tags.slice(0, 3) as tag}
-                      <span class="text-xs px-1.5 py-0.5 bg-[var(--bg)] rounded text-[var(--accent)]">{tag}</span>
+                {#if hasOverride}
+                  <button
+                    type="button"
+                    onclick={() => clearOverride(doc.id)}
+                    class="inline-flex items-center gap-1 text-[10px] text-dim hover:text-accent"
+                    title="override 초기화"
+                  >
+                    <RotateCcw size={10} />
+                    원복
+                  </button>
+                {/if}
+                {#if displayTags.length > 0}
+                  <div class="flex gap-1 ml-2 flex-wrap">
+                    {#each displayTags.slice(0, 6) as tag}
+                      <TagPill {tag} clickable={false} />
                     {/each}
                   </div>
                 {/if}
               </div>
             </div>
           </div>
-        {/each}
-      </div>
-    {/if}
-  </div>
-
-  <!-- 확인 다이얼로그 -->
-  {#if showConfirm}
-    <div class="fixed inset-0 bg-black/60 flex items-center justify-center z-50">
-      <div class="bg-[var(--surface)] rounded-xl border border-[var(--border)] p-6 max-w-sm w-full mx-4">
-        <h3 class="text-lg font-semibold mb-2">{selected.size}건을 승인합니다</h3>
-        <p class="text-sm text-[var(--text-dim)] mb-4">AI 분류 결과를 확정하고 Inbox에서 이동합니다.</p>
-        <div class="flex gap-2 justify-end">
-          <button onclick={() => showConfirm = false} class="px-4 py-2 text-sm bg-[var(--bg)] border border-[var(--border)] rounded-lg">취소</button>
-          <button onclick={confirmApprove} class="px-4 py-2 text-sm bg-[var(--accent)] text-white rounded-lg">승인</button>
-        </div>
-      </div>
+        </Card>
+      {/each}
     </div>
   {/if}
 </div>
+
+<!-- 승인 확인 -->
+<ConfirmDialog
+  id="approve-confirm"
+  title="{selectionCount}건 승인"
+  message="선택한 문서를 승인합니다. 도메인/태그 override가 있으면 함께 저장됩니다."
+  confirmLabel="승인"
+  tone="primary"
+  loading={busy}
+  onconfirm={confirmApprove}
+/>
+
+<!-- 배치 도메인 override -->
+<Modal id="batch-override-domain" title="일괄 도메인 override" size="sm">
+  <p class="text-xs text-dim mb-3">
+    선택한 {selectionCount}건에 로컬 override 적용. 아직 저장되지 않음 — 승인 시 반영됨.
+  </p>
+  <Select
+    bind:value={batchDomainValue}
+    options={DOMAIN_OPTIONS}
+    placeholder="도메인 선택"
+    label="도메인"
+  />
+  {#snippet footer()}
+    <Button variant="ghost" size="sm" onclick={() => ui.closeModal('batch-override-domain')}>
+      취소
+    </Button>
+    <Button
+      variant="primary"
+      size="sm"
+      disabled={!batchDomainValue}
+      onclick={applyBatchDomain}
+    >
+      적용
+    </Button>
+  {/snippet}
+</Modal>
+
+<!-- 배치 태그 override -->
+<Modal id="batch-override-tag" title="일괄 태그 추가" size="sm">
+  <p class="text-xs text-dim mb-3">
+    선택한 {selectionCount}건에 태그 override. 이미 같은 태그는 skip.
+  </p>
+  <TextInput bind:value={batchTagValue} placeholder="태그 입력" label="태그" />
+  {#snippet footer()}
+    <Button variant="ghost" size="sm" onclick={() => ui.closeModal('batch-override-tag')}>
+      취소
+    </Button>
+    <Button
+      variant="primary"
+      size="sm"
+      disabled={!batchTagValue.trim()}
+      onclick={applyBatchTag}
+    >
+      적용
+    </Button>
+  {/snippet}
+</Modal>