diff --git a/scripts/evaluation/README.md b/scripts/evaluation/README.md
index 83adc0d..5621dbd 100644
--- a/scripts/evaluation/README.md
+++ b/scripts/evaluation/README.md
@@ -36,16 +36,19 @@ The framework supports four related tasks:
 - `README_Requirement.md`
   Requirement reference document.
 - `quick_start_eval.sh`
-  Optional wrapper to run the batch refresh or the web UI from repo root (uses `./.venv/bin/python`).
+  Optional wrapper: `batch` (fill missing labels only), `batch-rebuild` (force full re-label), or `serve` (web UI).
 
 ## Quick start (from repo root)
 
-Set tenant if needed (`export TENANT_ID=163`). Requires live search API, DashScope key for LLM when labeling, and for batch refresh a working backend.
+Set tenant if needed (`export TENANT_ID=163`). Requires live search API, DashScope key when the batch step needs new LLM labels, and a working backend.
 
 ```bash
-# 1) Refresh offline labels for every line in the queries file, then write batch metrics under artifacts/
+# 1) Batch evaluation: every query in the file gets a live search; only uncached (query, spu_id) pairs call the LLM
 ./scripts/evaluation/quick_start_eval.sh batch
 
+# Optional: full re-label of current top_k recall (expensive; use only when you intentionally rebuild the cache)
+./scripts/evaluation/quick_start_eval.sh batch-rebuild
+
 # 2) Evaluation UI on http://127.0.0.1:6010/
 ./scripts/evaluation/quick_start_eval.sh serve
 ```
@@ -53,6 +56,15 @@ Set tenant if needed (`export TENANT_ID=163`). Requires live search API, DashSco
 Equivalent explicit commands:
 
 ```bash
+# Safe default: no --force-refresh-labels
+./.venv/bin/python scripts/evaluation/build_annotation_set.py batch \
+  --tenant-id "${TENANT_ID:-163}" \
+  --queries-file scripts/evaluation/queries/queries.txt \
+  --top-k 50 \
+  --language en \
+  --labeler-mode simple
+
+# Rebuild all labels for recalled top_k (same as quick_start_eval.sh batch-rebuild)
 ./.venv/bin/python scripts/evaluation/build_annotation_set.py batch \
   --tenant-id "${TENANT_ID:-163}" \
   --queries-file scripts/evaluation/queries/queries.txt \
@@ -135,7 +147,7 @@ There are now two labeler modes:
 
 For practical evaluation, the most important offline step is to pre-label the result window you plan to score. For the current metrics (`P@5`, `P@10`, `P@20`, `P@50`, `MAP_3`, `MAP_2_3`), a `top_k=50` cached label set is sufficient.
 
-Example:
+Example (fills missing labels only; recommended default):
 
 ```bash
 ./.venv/bin/python scripts/evaluation/build_annotation_set.py batch \
@@ -143,10 +155,11 @@ Example:
   --queries-file scripts/evaluation/queries/queries.txt \
   --top-k 50 \
   --language en \
-  --labeler-mode simple \
-  --force-refresh-labels
+  --labeler-mode simple
 ```
 
+To **rebuild** every label for the current `top_k` recall window (all queries, all hits re-sent to the LLM), add `--force-refresh-labels` or run `./scripts/evaluation/quick_start_eval.sh batch-rebuild`.
+
 This command does two things:
 
 - runs **every** query in the file against the live backend (no skip list)
diff --git a/scripts/evaluation/eval_framework.py b/scripts/evaluation/eval_framework.py
index af0be96..834b566 100644
--- a/scripts/evaluation/eval_framework.py
+++ b/scripts/evaluation/eval_framework.py
@@ -510,6 +510,27 @@ class EvalStore:
             )
         return items
 
+    def get_batch_run(self, batch_id: str) -> Optional[Dict[str, Any]]:
+        row = self.conn.execute(
+            """
+            SELECT batch_id, tenant_id, output_json_path, report_markdown_path, config_snapshot_path, metadata_json, created_at
+            FROM batch_runs
+            WHERE batch_id = ?
+            """,
+            (batch_id,),
+        ).fetchone()
+        if row is None:
+            return None
+        return {
+            "batch_id": row["batch_id"],
+            "tenant_id": row["tenant_id"],
+            "output_json_path": row["output_json_path"],
+            "report_markdown_path": row["report_markdown_path"],
+            "config_snapshot_path": row["config_snapshot_path"],
+            "metadata": json.loads(row["metadata_json"]),
+            "created_at": row["created_at"],
+        }
+
     def list_query_label_stats(self, tenant_id: str) -> List[Dict[str, Any]]:
         rows = self.conn.execute(
             """
@@ -1581,6 +1602,27 @@ def create_web_app(framework: SearchEvaluationFramework, query_file: Path = DEFA
     def api_history() -> Dict[str, Any]:
         return {"history": framework.store.list_batch_runs(limit=20)}
 
+    @app.get("/api/history/{batch_id}/report")
+    def api_history_report(batch_id: str) -> Dict[str, Any]:
+        row = framework.store.get_batch_run(batch_id)
+        if row is None:
+            raise HTTPException(status_code=404, detail="Unknown batch_id")
+        report_path = Path(row["report_markdown_path"]).resolve()
+        root = framework.artifact_root.resolve()
+        try:
+            report_path.relative_to(root)
+        except ValueError:
+            raise HTTPException(status_code=403, detail="Report path is outside artifact root")
+        if not report_path.is_file():
+            raise HTTPException(status_code=404, detail="Report file not found")
+        return {
+            "batch_id": row["batch_id"],
+            "created_at": row["created_at"],
+            "tenant_id": row["tenant_id"],
+            "report_markdown_path": str(report_path),
+            "markdown": report_path.read_text(encoding="utf-8"),
+        }
+
     return app
 
 
@@ -1612,7 +1654,11 @@ WEB_APP_HTML = """
     h1, h2 { margin: 0 0 12px; }
     .muted { color: var(--muted); }
     .query-list { max-height: 60vh; overflow: auto; border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 8px; }
-    .query-item { display: block; width: 100%; border: 0; background: transparent; text-align: left; padding: 10px 12px; border-radius: 10px; cursor: pointer; }
+    .query-item {
+      display: block; width: 100%; border: 0; background: transparent; text-align: left;
+      padding: 10px 12px; border-radius: 10px; cursor: pointer;
+      color: var(--ink); font-size: 15px; font-weight: 500;
+    }
     .query-item:hover { background: #eef6f4; }
     .toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
     input[type=text] { flex: 1 1 420px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); font-size: 15px; }
@@ -1634,6 +1680,49 @@ WEB_APP_HTML = """
     .options { color: var(--muted); line-height: 1.5; font-size: 14px; }
     .section { margin-bottom: 28px; }
     .history { font-size: 13px; line-height: 1.5; }
+    .history-list { max-height: 42vh; overflow: auto; display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
+    .history-item {
+      display: block; width: 100%; border: 1px solid var(--line); background: var(--panel);
+      text-align: left; padding: 10px 12px; border-radius: 12px; cursor: pointer;
+      color: var(--ink); font-size: 13px; transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
+    }
+    .history-item:hover { background: #eef6f4; border-color: #b8d4cd; }
+    .history-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
+    .history-item .hid { font-weight: 700; font-size: 12px; word-break: break-all; color: #12433d; }
+    .history-item .hmeta { color: var(--muted); font-size: 11px; margin-top: 4px; }
+    .history-item .hstats { margin-top: 6px; font-size: 12px; color: var(--ink); line-height: 1.45; }
+    .history-item .hstats span { color: var(--muted); }
+    .report-modal-root {
+      position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center;
+      padding: 16px; box-sizing: border-box;
+    }
+    .report-modal-root.is-open { display: flex; }
+    .report-modal-backdrop { position: absolute; inset: 0; background: rgba(31, 42, 36, 0.45); backdrop-filter: blur(4px); }
+    .report-modal-dialog {
+      position: relative; z-index: 1; width: min(920px, 100%); max-height: min(92vh, 900px); display: flex; flex-direction: column;
+      background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
+      box-shadow: 0 24px 48px rgba(31, 42, 36, 0.18);
+    }
+    .report-modal-head {
+      flex: 0 0 auto; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
+      padding: 16px 18px; border-bottom: 1px solid var(--line);
+    }
+    .report-modal-head h3 { margin: 0; font-size: 15px; font-weight: 700; word-break: break-all; }
+    .report-modal-head .head-actions { display: flex; gap: 8px; flex-shrink: 0; }
+    .report-modal-head button { padding: 8px 12px; font-size: 13px; border-radius: 10px; }
+    .report-modal-meta { flex: 0 0 auto; padding: 10px 18px; font-size: 12px; border-bottom: 1px solid var(--line); background: rgba(255,253,248,0.9); }
+    .report-modal-body {
+      flex: 1 1 auto; overflow: auto; padding: 18px 22px 22px;
+      font-size: 14px; line-height: 1.55;
+    }
+    .batch-report-md h1 { font-size: 1.35rem; margin: 0 0 0.75rem; color: #12433d; }
+    .batch-report-md h2 { font-size: 1.05rem; margin: 1.35rem 0 0.6rem; padding-bottom: 0.35rem; border-bottom: 1px solid var(--line); color: #1a5249; }
+    .batch-report-md h2:first-of-type { margin-top: 0; }
+    .batch-report-md h3 { font-size: 0.95rem; margin: 1rem 0 0.4rem; color: var(--ink); font-weight: 700; }
+    .batch-report-md ul { margin: 0.35rem 0 0.5rem; padding-left: 1.25rem; }
+    .batch-report-md li { margin: 0.2rem 0; }
+    .batch-report-md code { font-size: 0.88em; background: #e8e4d8; padding: 0.12em 0.35em; border-radius: 4px; }
+    .report-modal-body.report-modal-loading, .report-modal-body.report-modal-error { color: var(--muted); font-style: italic; }
     .tips { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; line-height: 1.6; }
     .tip { margin-bottom: 6px; color: var(--muted); }
   </style>
@@ -1646,6 +1735,7 @@ WEB_APP_HTML = """
       <div id="queryList" class="query-list"></div>
       <div class="section">
         <h2>History</h2>
+        <p class="muted" style="font-size:12px;margin:0 0 4px">Click a run to open the batch markdown report.</p>
         <div id="history" class="history muted">Loading...</div>
       </div>
     </aside>
@@ -1676,6 +1766,22 @@ WEB_APP_HTML = """
       </section>
     </main>
   </div>
+  <div id="reportModal" class="report-modal-root" aria-hidden="true">
+    <div class="report-modal-backdrop" data-close-report="1"></div>
+    <div class="report-modal-dialog" role="dialog" aria-modal="true" aria-labelledby="reportModalTitle">
+      <div class="report-modal-head">
+        <h3 id="reportModalTitle">Batch report</h3>
+        <div class="head-actions">
+          <button type="button" class="secondary" id="reportCopyPath">Copy path</button>
+          <button type="button" onclick="closeReportModal()">Close</button>
+        </div>
+      </div>
+      <div id="reportModalMeta" class="report-modal-meta muted"></div>
+      <div id="reportModalBody" class="report-modal-body batch-report-md"></div>
+    </div>
+  </div>
+  <script src="https://cdn.jsdelivr.net/npm/marked@12.0.2/marked.min.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/dompurify@3.1.6/dist/purify.min.js"></script>
   <script>
     async function fetchJSON(url, options) {
       const res = await fetch(url, options);
@@ -1738,13 +1844,93 @@ WEB_APP_HTML = """
         root.appendChild(btn);
       });
     }
+    function fmtMetric(m, key, digits) {
+      const v = m && m[key];
+      if (v == null || Number.isNaN(Number(v))) return null;
+      const n = Number(v);
+      return n.toFixed(digits);
+    }
+    function historySummaryHtml(meta) {
+      const m = meta && meta.aggregate_metrics;
+      const nq = (meta && meta.queries && meta.queries.length) || (meta && meta.per_query && meta.per_query.length) || null;
+      const parts = [];
+      if (nq != null) parts.push(`<span>Queries</span> ${nq}`);
+      const p10 = fmtMetric(m, 'P@10', 3);
+      const p52 = fmtMetric(m, 'P@5_2_3', 3);
+      const map3 = fmtMetric(m, 'MAP_3', 3);
+      if (p10) parts.push(`<span>P@10</span> ${p10}`);
+      if (p52) parts.push(`<span>P@5_2_3</span> ${p52}`);
+      if (map3) parts.push(`<span>MAP_3</span> ${map3}`);
+      if (!parts.length) return '';
+      return `<div class="hstats">${parts.join(' · ')}</div>`;
+    }
     async function loadHistory() {
       const data = await fetchJSON('/api/history');
       const root = document.getElementById('history');
-      root.innerHTML = (data.history || []).map(item =>
-        `<div><strong>${item.batch_id}</strong><br/>${item.created_at}<br/>${item.report_markdown_path}</div><br/>`
-      ).join('') || 'No history yet.';
+      root.classList.remove('muted');
+      const items = data.history || [];
+      if (!items.length) {
+        root.innerHTML = '<span class="muted">No history yet.</span>';
+        return;
+      }
+      root.innerHTML = `<div class="history-list"></div>`;
+      const list = root.querySelector('.history-list');
+      items.forEach(item => {
+        const btn = document.createElement('button');
+        btn.type = 'button';
+        btn.className = 'history-item';
+        btn.setAttribute('aria-label', `Open report ${item.batch_id}`);
+        const sum = historySummaryHtml(item.metadata);
+        btn.innerHTML = `<div class="hid">${item.batch_id}</div>
+          <div class="hmeta">${item.created_at} · tenant ${item.tenant_id}</div>${sum}`;
+        btn.onclick = () => openBatchReport(item.batch_id);
+        list.appendChild(btn);
+      });
+    }
+    let _lastReportPath = '';
+    function closeReportModal() {
+      const el = document.getElementById('reportModal');
+      el.classList.remove('is-open');
+      el.setAttribute('aria-hidden', 'true');
+      document.getElementById('reportModalBody').innerHTML = '';
+      document.getElementById('reportModalMeta').textContent = '';
+    }
+    async function openBatchReport(batchId) {
+      const el = document.getElementById('reportModal');
+      const body = document.getElementById('reportModalBody');
+      const metaEl = document.getElementById('reportModalMeta');
+      const titleEl = document.getElementById('reportModalTitle');
+      el.classList.add('is-open');
+      el.setAttribute('aria-hidden', 'false');
+      titleEl.textContent = batchId;
+      metaEl.textContent = '';
+      body.className = 'report-modal-body batch-report-md report-modal-loading';
+      body.textContent = 'Loading report…';
+      try {
+        const rep = await fetchJSON('/api/history/' + encodeURIComponent(batchId) + '/report');
+        _lastReportPath = rep.report_markdown_path || '';
+        metaEl.textContent = rep.report_markdown_path || '';
+        const raw = marked.parse(rep.markdown || '', { gfm: true });
+        const safe = DOMPurify.sanitize(raw, { USE_PROFILES: { html: true } });
+        body.className = 'report-modal-body batch-report-md';
+        body.innerHTML = safe;
+      } catch (e) {
+        body.className = 'report-modal-body report-modal-error';
+        body.textContent = (e && e.message) ? e.message : String(e);
+      }
     }
+    document.getElementById('reportModal').addEventListener('click', (ev) => {
+      if (ev.target && ev.target.getAttribute('data-close-report') === '1') closeReportModal();
+    });
+    document.addEventListener('keydown', (ev) => {
+      if (ev.key === 'Escape') closeReportModal();
+    });
+    document.getElementById('reportCopyPath').addEventListener('click', async () => {
+      if (!_lastReportPath) return;
+      try {
+        await navigator.clipboard.writeText(_lastReportPath);
+      } catch (_) {}
+    });
     async function runSingle() {
       const query = document.getElementById('queryInput').value.trim();
       if (!query) return;
diff --git a/scripts/evaluation/quick_start_eval.sh b/scripts/evaluation/quick_start_eval.sh
index 488f955..081ddd6 100755
--- a/scripts/evaluation/quick_start_eval.sh
+++ b/scripts/evaluation/quick_start_eval.sh
@@ -9,10 +9,11 @@ TENANT_ID="${TENANT_ID:-163}"
 QUERIES="${REPO_EVAL_QUERIES:-scripts/evaluation/queries/queries.txt}"
 
 usage() {
-  echo "Usage: $0 batch|serve"
-  echo "  batch  — refresh labels + batch metrics (default: top_k=50, simple labeler, force-refresh)"
-  echo "  serve  — eval UI on http://127.0.0.1:6010/"
-  echo "Env: TENANT_ID (default 163), REPO_EVAL_QUERIES (default $QUERIES)"
+  echo "Usage: $0 batch|batch-rebuild|serve"
+  echo "  batch          — batch eval: live search every query, LLM only for missing labels (top_k=50, simple)"
+  echo "  batch-rebuild  — same as batch but --force-refresh-labels (re-LLM all top_k hits; expensive, overwrites cache)"
+  echo "  serve          — eval UI on http://0.0.0.0:6010/"
+  echo "Env: TENANT_ID (default 163), REPO_EVAL_QUERIES (path to queries file)"
 }
 
 case "${1:-}" in
@@ -22,6 +23,14 @@ case "${1:-}" in
       --queries-file "$QUERIES" \
       --top-k 50 \
       --language en \
+      --labeler-mode simple
+    ;;
+  batch-rebuild)
+    exec "$PY" scripts/evaluation/build_annotation_set.py batch \
+      --tenant-id "$TENANT_ID" \
+      --queries-file "$QUERIES" \
+      --top-k 50 \
+      --language en \
       --labeler-mode simple \
       --force-refresh-labels
     ;;
@@ -29,7 +38,7 @@ case "${1:-}" in
     exec "$PY" scripts/evaluation/serve_eval_web.py serve \
       --tenant-id "$TENANT_ID" \
       --queries-file "$QUERIES" \
-      --host 127.0.0.1 \
+      --host 0.0.0.0 \
       --port 6010
     ;;
   *)
--
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