diff --git a/.scratch/research-deletion/issues/01-delete-research.md b/.scratch/research-deletion/issues/01-delete-research.md
new file mode 100644
index 0000000..7e0ef01
--- /dev/null
+++ b/.scratch/research-deletion/issues/01-delete-research.md
@@ -0,0 +1,14 @@
+# 研究素材和 Alpha 变体删除
+Type: task
+Status: resolved
+
+为模板工坊、特征工程、Alpha 变体的列表和详情补齐删除操作。沿用素材软删除，生成记录新增软删除标记；移出列表时保留不可变候选、历史版本、回测和来源引用。删除需要页面确认，素材删除使用当前版本防止覆盖并发修改；删除后刷新列表并修正空页。
+
+验证：删除/取消/冲突、历史引用保留、列表总数与分页、后端测试及静态检查、前端构建和浏览器交互。只使用隔离测试数据，不删除实际研究数据、不部署。
+
+## Answer
+已实现素材与生成记录的列表、详情删除和确认，删除后清理当前选择并刷新/修正分页。素材删除与保存均拒绝已删除状态及过期版本；生成记录不可变，重复删除幂等。删除仅移出日常列表，明确引用的历史版本仍可供来源追溯、复用和已授权运行使用，不取消已有回测。
+
+验证：`uv run ruff check app tests` 通过；研究删除、工作空间、结果、流水线、QuantFlow 相关后端测试 82 passed；前端 `pnpm build` 通过（已有 lottie-web eval 和大包提示）。现有 research-outcomes / research-flows / quantflow 浏览器回归 3 passed。另用 Playwright CLI 和隔离合成库实测三处列表/详情删除、取消、26→25→24 总数、最后一页自动回退、模板并发删除 409 与未保存草稿保留；已查看 `output/playwright/research-delete-confirm.png`。
+
+新增迁移 `0014`：隔离 SQLite 上升级、降级、再升级及旧记录保留已验证。Docker 服务未运行，未做 PostgreSQL 实例迁移实测。未部署、未迁移正式数据库、未删除真实数据。
diff --git a/.scratch/semi-tables/issues/01-migrate.md b/.scratch/semi-tables/issues/01-migrate.md
new file mode 100644
index 0000000..b9b19c9
--- /dev/null
+++ b/.scratch/semi-tables/issues/01-migrate.md
@@ -0,0 +1,23 @@
+# 统一业务表格为 Semi Table
+
+Type: task
+Status: ready-for-agent
+Progress: completed
+
+## Scope
+
+将 11 个文件内的 13 处原生业务表格替换为项目已安装的 Semi 2.103.0 Table。保留筛选、分页、操作、候选选择和详情联动；删除按钮继续仅显示“删除”。AI Markdown 内容的渲染器保持原样。
+
+## Validation
+
+运行前端构建与现有浏览器回归，并补充关键表格、空状态和滚动的浏览器核验。
+
+## Result
+
+13 处业务表格全部改用 Semi Table，移除原生表格的样式覆盖和外置空提示。保留外部分页、稳定行标识和单元格操作；研究列表及首页使用原生 sticky 表头。
+
+验证：`pnpm build` 通过，`pnpm test` 28 项全部通过，`git diff --check` 通过。静态检索 `frontend/src` 未发现手写 table/thead/tbody/tr/td/th。
+
+隔离浏览器补充核验通过：模板表头滚动保持位置；26 条跨页显示，取消删除保留数据，删除第 2 页唯一条目后回到第 1 页显示 25 条；筛选空状态无重复；390px 横向滚动和页面宽度正常。首页 6 条 Pyramid 数据及筛选、算子详情联动、AI Alpha 结果 5 个 Semi Table 和窄屏宽度均通过。
+
+构建保留第三方 lottie-web eval 与大 bundle 提示，未影响构建成功。未部署或提交。截图位于 `output/playwright/semi-*.png`。
diff --git a/backend/app/models.py b/backend/app/models.py
index af4adfe..9fed18b 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -13,6 +13,7 @@ from sqlalchemy import (
     String,
     Text,
     UniqueConstraint,
+    false,
 )
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
@@ -443,6 +444,7 @@ class ResearchExperiment(Base):
     id: Mapped[str] = mapped_column(String(36), primary_key=True)
     name: Mapped[str] = mapped_column(String(200))
     kind: Mapped[str] = mapped_column(String(30), index=True)
+    archived: Mapped[bool] = mapped_column(Boolean, default=False, server_default=false())
     hypothesis: Mapped[str] = mapped_column(Text)
     inputs: Mapped[list] = mapped_column(JSON)
     parents: Mapped[list] = mapped_column(JSON)
diff --git a/backend/app/research/assets.py b/backend/app/research/assets.py
index 6fa4b24..66b0bfe 100644
--- a/backend/app/research/assets.py
+++ b/backend/app/research/assets.py
@@ -76,11 +76,12 @@ class Assets:
                     ResearchAsset.id == asset_id,
                     ResearchAsset.version == body.version,
                     ResearchAsset.kind == body.kind,
+                    ResearchAsset.archived.is_(False),
                 )
                 .values(version=body.version + 1, name=content["name"], updated_at=now())
             )
             if changed.rowcount != 1:
-                raise HTTPException(409, "素材已变化，保留草稿并读取最新版本")
+                raise HTTPException(409, "素材已变化或已删除，保留草稿并读取最新版本")
             version = body.version + 1
         else:
             asset_id, version = uid(), 1
@@ -100,11 +101,15 @@ class Assets:
     async def archive(self, asset_id, version):
         result = await self.db.execute(
             update(ResearchAsset)
-            .where(ResearchAsset.id == asset_id, ResearchAsset.version == version)
+            .where(
+                ResearchAsset.id == asset_id,
+                ResearchAsset.version == version,
+                ResearchAsset.archived.is_(False),
+            )
             .values(archived=True, version=ResearchAsset.version + 1, updated_at=now())
         )
         if result.rowcount != 1:
-            raise HTTPException(409, "素材已变化或不存在")
+            raise HTTPException(409, "素材已变化、已删除或不存在，请刷新后重试")
         # Archiving is itself a revision; old references remain resolvable.
         previous = await self.db.get(ResearchRevision, (asset_id, version))
         self.db.add(
diff --git a/backend/app/research/experiments.py b/backend/app/research/experiments.py
index 526802c..7431570 100644
--- a/backend/app/research/experiments.py
+++ b/backend/app/research/experiments.py
@@ -5,7 +5,7 @@ import json
 from collections import defaultdict
 
 from fastapi import HTTPException
-from sqlalchemy import func, select
+from sqlalchemy import func, select, update
 
 from ..backtests.contracts import Candidate, DraftInput, PreviewInput, SimulationSettings, Source
 from ..backtests.service import Backtests, uid
@@ -243,6 +243,7 @@ class Experiments:
                         "id",
                         "name",
                         "kind",
+                        "archived",
                         "hypothesis",
                         "inputs",
                         "parents",
@@ -256,7 +257,7 @@ class Experiments:
         )
 
     async def list(self, kind=None, limit=25, offset=0):
-        query = select(ResearchExperiment)
+        query = select(ResearchExperiment).where(ResearchExperiment.archived.is_(False))
         if kind:
             query = query.where(ResearchExperiment.kind == kind)
         total = await self.db.scalar(select(func.count()).select_from(query.subquery()))
@@ -281,6 +282,19 @@ class Experiments:
             }
         )
 
+    async def archive(self, experiment_id):
+        """Hide an immutable experiment; backtests and lineage must still resolve it.
+
+        Returns an acknowledgement, or raises HTTP 404 for an unknown ID. Repeated
+        deletion is idempotent because candidate contents cannot change.
+        """
+        result = await self.db.execute(
+            update(ResearchExperiment).where(ResearchExperiment.id == experiment_id).values(archived=True)
+        )
+        if result.rowcount != 1:
+            raise HTTPException(404, "研究实验不存在")
+        return {"ok": True}
+
     async def preview(self, experiment_id, candidate_ids=None, source_kind=None, reference=None):
         experiment = await self.get(experiment_id)
         candidates = experiment["candidates"]
diff --git a/backend/app/research/routes.py b/backend/app/research/routes.py
index 3ac0ba5..983b5b2 100644
--- a/backend/app/research/routes.py
+++ b/backend/app/research/routes.py
@@ -143,6 +143,12 @@ async def experiment(experiment_id: str, request: Request):
         return await Experiments(db).get(experiment_id)
 
 
+@router.delete("/experiments/{experiment_id}")
+async def archive_experiment(experiment_id: str, request: Request):
+    async with request.app.state.sessions.begin() as db:
+        return await Experiments(db).archive(experiment_id)
+
+
 @router.post("/experiments/{experiment_id}/preview", status_code=201)
 async def preview(experiment_id: str, body: ExperimentPreview, request: Request):
     async with request.app.state.sessions.begin() as db:
diff --git a/backend/migrations/versions/0014_research_experiment_archive.py b/backend/migrations/versions/0014_research_experiment_archive.py
new file mode 100644
index 0000000..b52dc76
--- /dev/null
+++ b/backend/migrations/versions/0014_research_experiment_archive.py
@@ -0,0 +1,20 @@
+"""Hide deleted research experiments while preserving candidate and source history."""
+
+import sqlalchemy as sa
+from alembic import op
+
+revision = "0014"
+down_revision = "0013"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column(
+        "research_experiments",
+        sa.Column("archived", sa.Boolean(), nullable=False, server_default=sa.false()),
+    )
+
+
+def downgrade():
+    op.drop_column("research_experiments", "archived")
diff --git a/backend/tests/test_research_deletion.py b/backend/tests/test_research_deletion.py
new file mode 100644
index 0000000..3dba6c7
--- /dev/null
+++ b/backend/tests/test_research_deletion.py
@@ -0,0 +1,121 @@
+"""Deleting workspace items hides them without severing research provenance."""
+
+import importlib.util
+from pathlib import Path
+
+import pytest
+import sqlalchemy as sa
+from alembic.migration import MigrationContext
+from alembic.operations import Operations
+
+from tests.test_backtests import execute, setup, start
+from tests.test_catalog import catalog as catalog_fixture
+from tests.test_research_workspace import expansion, template
+from tests.test_research_workspace import research_input as research_input_fixture
+
+catalog = catalog_fixture
+research_input = research_input_fixture
+
+
+@pytest.mark.parametrize("kind", ["template", "feature"])
+async def test_asset_deletion_checks_version_and_preserves_revisions(logged_in, research_input, kind):
+    content = template() if kind == "template" else {
+        "name": "待删除特征",
+        "hypothesis": "排名比较",
+        "input_ids": [research_input["id"]],
+        "template": template(),
+    }
+    response = await logged_in.post("/api/v1/research/assets", json={"kind": kind, "content": content})
+    assert response.status_code == 201, response.text
+    original = response.json()
+    url = f"/api/v1/research/assets/{original['id']}"
+    updated = await logged_in.put(url, json={"kind": kind, "version": 1, "content": {**content, "name": "新版"}})
+    assert updated.status_code == 200
+    assert (await logged_in.delete(f"{url}?version=1")).status_code == 409
+    assert not (await logged_in.get(url)).json()["archived"]
+    assert (await logged_in.delete(f"{url}?version=2")).status_code == 200
+    listing = (await logged_in.get(f"/api/v1/research/assets?kind={kind}")).json()
+    assert listing["total"] == 0 and listing["items"] == []
+    historical = (await logged_in.get(f"{url}?version=1")).json()
+    assert historical["archived"] is True
+    assert historical["content"] == original["content"]
+    assert historical["provenance"] == original["provenance"]
+    latest = (await logged_in.get(url)).json()
+    assert latest["version"] == 3
+    assert (await logged_in.delete(f"{url}?version=3")).status_code == 409
+    assert (await logged_in.put(url, json={"kind": kind, "version": 3, "content": content})).status_code == 409
+    assert (await logged_in.get(url)).json()["version"] == 3
+
+
+async def test_experiment_deletion_preserves_backtest_and_child_sources(app, logged_in, research_input):
+    created = await logged_in.post("/api/v1/research/experiments", json=expansion(research_input["id"]))
+    assert created.status_code == 201, created.text
+    parent = created.json()
+    generated = await logged_in.post(
+        "/api/v1/research/experiments",
+        json=expansion(research_input["id"], parent_experiment_ids=[parent["id"]]),
+    )
+    assert generated.status_code == 201, generated.text
+    variant = generated.json()
+    assert variant["kind"] == "variant"
+    child = await logged_in.post(
+        "/api/v1/research/experiments",
+        json=expansion(research_input["id"], parent_experiment_ids=[variant["id"]]),
+    )
+    assert child.status_code == 201
+    _, lane = await setup(app)
+    url = f"/api/v1/research/experiments/{variant['id']}"
+    preview = await logged_in.post(f"{url}/preview", json={})
+    assert preview.status_code == 201, preview.text
+    run = await start(logged_in, preview.json(), "delete-variant-provenance")
+    await execute(app, lane, run["backtest_run_id"])
+    before = (await logged_in.get(url)).json()
+    assert before["backtest_run_ids"] == [run["backtest_run_id"]]
+
+    assert (await logged_in.delete(url)).status_code == 200
+    assert (await logged_in.delete(url)).status_code == 200
+    all_items = (await logged_in.get("/api/v1/research/experiments")).json()
+    assert all_items["total"] == 2
+    assert variant["id"] not in {item["id"] for item in all_items["items"]}
+    variants = (await logged_in.get("/api/v1/research/experiments?kind=variant&limit=1&offset=1")).json()
+    assert variants["total"] == 1 and variants["items"] == []
+    after = (await logged_in.get(url)).json()
+    assert after == {**before, "archived": True}
+    saved_child = (await logged_in.get(f"/api/v1/research/experiments/{child.json()['id']}")).json()
+    assert saved_child["parents"] == child.json()["parents"]
+    results = (await logged_in.get(f"/api/v1/backtests/runs/{run['backtest_run_id']}/results")).json()
+    alpha_id = results["items"][0]["alpha_id"]
+    sources = (await logged_in.get(f"/api/v1/alphas/{alpha_id}/sources")).json()
+    assert sources["items"][0]["source"]["research_id"] == variant["id"]
+    assert (await logged_in.delete(f"/api/v1/research/experiments/{parent['id']}")).status_code == 200
+    assert (await logged_in.get("/api/v1/research/experiments")).json()["total"] == 1
+
+
+async def test_delete_research_requires_auth_and_known_id(client):
+    for url in ("assets/missing?version=1", "experiments/missing"):
+        assert (await client.delete(f"/api/v1/research/{url}")).status_code == 401
+
+
+async def test_delete_unknown_experiment(logged_in):
+    assert (await logged_in.delete("/api/v1/research/experiments/missing")).status_code == 404
+
+
+def test_archive_migration_preserves_existing_rows(tmp_path):
+    path = Path(__file__).parents[1] / "migrations/versions/0014_research_experiment_archive.py"
+    spec = importlib.util.spec_from_file_location("research_archive_migration", path)
+    migration = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(migration)
+    engine = sa.create_engine(f"sqlite:///{tmp_path}/migration.db")
+    with engine.begin() as connection:
+        connection.execute(sa.text("CREATE TABLE research_experiments (id VARCHAR(36) PRIMARY KEY, evidence JSON NOT NULL)"))
+        connection.execute(sa.text("INSERT INTO research_experiments VALUES ('existing', :evidence)"), {"evidence": '{"source":"old"}'})
+        with Operations.context(MigrationContext.configure(connection)):
+            migration.upgrade()
+            assert connection.execute(sa.text("SELECT archived FROM research_experiments")).scalar_one() == 0
+            connection.execute(sa.text("UPDATE research_experiments SET archived = 1"))
+            migration.downgrade()
+            migration.upgrade()
+        assert connection.execute(sa.text("SELECT evidence FROM research_experiments")).scalar_one() == '{"source":"old"}'
+        column = next(c for c in sa.inspect(connection).get_columns("research_experiments") if c["name"] == "archived")
+        assert column["nullable"] is False
+    engine.dispose()
diff --git a/frontend/src/ai/AlphaToolCard.tsx b/frontend/src/ai/AlphaToolCard.tsx
index c136a37..a32e928 100644
--- a/frontend/src/ai/AlphaToolCard.tsx
+++ b/frontend/src/ai/AlphaToolCard.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { Toast } from "@douyinfe/semi-ui-19";
+import { Table, Toast } from "@douyinfe/semi-ui-19";
 import { api, formatNumber, formatTime, stateLabels } from "../api";
 import { PnlChart } from "../components/PnlChart";
 import type { Alpha, Pnl, Research } from "../types";
@@ -62,26 +62,33 @@ export function AlphaToolCard({ call, onAction, timezone }: ToolCardProps) {
               <small>
                 {alpha.id} · {alpha.region ?? "地区未提供"}
               </small>
-              <table>
-                <thead>
-                  <tr>
-                    <th>Sharpe</th>
-                    <th>Fitness</th>
-                    <th>Turnover</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  <tr>
-                    <td>{formatNumber(alpha.sharpe)}</td>
-                    <td>{formatNumber(alpha.fitness)}</td>
-                    <td>
-                      {alpha.turnover == null
+              <Table<Alpha>
+                dataSource={[alpha]}
+                rowKey="id"
+                pagination={false}
+                size="small"
+                tableLayout="fixed"
+                columns={[
+                  {
+                    title: "Sharpe",
+                    key: "sharpe",
+                    render: (_, alpha) => formatNumber(alpha.sharpe),
+                  },
+                  {
+                    title: "Fitness",
+                    key: "fitness",
+                    render: (_, alpha) => formatNumber(alpha.fitness),
+                  },
+                  {
+                    title: "Turnover",
+                    key: "turnover",
+                    render: (_, alpha) =>
+                      alpha.turnover == null
                         ? "未提供"
-                        : `${formatNumber(alpha.turnover * 100)}%`}
-                    </td>
-                  </tr>
-                </tbody>
-              </table>
+                        : `${formatNumber(alpha.turnover * 100)}%`,
+                  },
+                ]}
+              />
               <small>本地快照 · {formatTime(alpha.synced_at, timezone)}</small>
             </div>
           ))}
diff --git a/frontend/src/ai/style.css b/frontend/src/ai/style.css
index 41525dc..1e04be0 100644
--- a/frontend/src/ai/style.css
+++ b/frontend/src/ai/style.css
@@ -369,26 +369,10 @@
   text-align: left;
   overflow-wrap: anywhere;
 }
-.ai-alpha-results table {
-  width: 100%;
-  text-align: left;
+.ai-alpha-results .semi-table {
   margin-top: var(--space-2);
-  border-collapse: collapse;
-  table-layout: fixed;
   font-variant-numeric: tabular-nums;
 }
-.ai-alpha-results th,
-.ai-alpha-results td {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  font-weight: 400;
-  padding: var(--space-1) 0;
-}
-.ai-alpha-results th {
-  color: var(--muted);
-  font-size: 12px;
-}
 .ai-resize {
   position: absolute;
   left: -4px;
diff --git a/frontend/src/pages/AccountPage.tsx b/frontend/src/pages/AccountPage.tsx
index 171ac2f..c487d4d 100644
--- a/frontend/src/pages/AccountPage.tsx
+++ b/frontend/src/pages/AccountPage.tsx
@@ -5,6 +5,7 @@ import {
   Button,
   Input,
   Spin,
+  Table,
   Tag,
   Toast,
 } from "@douyinfe/semi-ui-19";
@@ -374,46 +375,56 @@ export function AccountPage({
             ))}
           </div>
           <div className="usage-table-wrap">
-            <table className="usage-table">
-              <thead>
-                <tr>
-                  <th>用量类型</th>
-                  <th>今日</th>
-                  <th>昨日</th>
-                  <th>每日上限</th>
-                  <th>剩余额度</th>
-                </tr>
-              </thead>
-              <tbody>
-                {(
-                  [
-                    ["submissions", "Alpha 提交"],
-                    ["simulations", "回测"],
-                  ] as const
-                ).map(([key, label]) => (
-                  <tr key={key}>
-                    <th scope="row">{label}</th>
-                    <td>
-                      {usage?.[key]?.today == null
-                        ? "尚无当日记录"
-                        : count(usage[key]?.today)}
-                    </td>
-                    <td title={usage?.[key]?.yesterday_date ?? undefined}>
+            <Table<{ key: "submissions" | "simulations"; label: string }>
+              className="usage-table"
+              dataSource={[
+                { key: "submissions", label: "Alpha 提交" },
+                { key: "simulations", label: "回测" },
+              ]}
+              rowKey="key"
+              pagination={false}
+              size="small"
+              style={{ minWidth: 640 }}
+              columns={[
+                { title: "用量类型", dataIndex: "label", width: 120 },
+                {
+                  title: "今日",
+                  key: "today",
+                  render: (_, { key }) =>
+                    usage?.[key]?.today == null
+                      ? "尚无当日记录"
+                      : count(usage[key]?.today),
+                },
+                {
+                  title: "昨日",
+                  key: "yesterday",
+                  render: (_, { key }) => (
+                    <span title={usage?.[key]?.yesterday_date ?? undefined}>
                       {count(usage?.[key]?.yesterday)}
-                    </td>
-                    <td>
+                    </span>
+                  ),
+                },
+                {
+                  title: "每日上限",
+                  key: "limit",
+                  render: (_, { key }) => (
+                    <>
                       {usage?.[key]?.limit == null
                         ? "平台未返回"
                         : count(usage[key]?.limit)}
                       {key === "simulations" &&
                         usage?.simulations?.limit != null &&
                         "（本地设定）"}
-                    </td>
-                    <td>{count(usage?.[key]?.remaining)}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
+                    </>
+                  ),
+                },
+                {
+                  title: "剩余额度",
+                  key: "remaining",
+                  render: (_, { key }) => count(usage?.[key]?.remaining),
+                },
+              ]}
+            />
           </div>
           <p className="usage-note">
             回测按本地每日额度计算剩余次数；活动统计可能延迟，当日次数未知时不估算余额。
diff --git a/frontend/src/pages/HomePage.tsx b/frontend/src/pages/HomePage.tsx
index 3430e25..eae76c2 100644
--- a/frontend/src/pages/HomePage.tsx
+++ b/frontend/src/pages/HomePage.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { Banner, Button, Input, Spin } from "@douyinfe/semi-ui-19";
+import { Banner, Button, Input, Spin, Table } from "@douyinfe/semi-ui-19";
 import { api, formatTime } from "../api";
 import type { Account } from "../types";
 import "./home.css";
@@ -312,27 +312,50 @@ function PyramidPanel({
             </span>
           </div>
           <div className="home-table-wrap">
-            <table>
-              <thead>
-                <tr>
-                  <th>地区</th>
-                  <th>延迟</th>
-                  <th>数据类别</th>
-                  <th>{metric}</th>
-                </tr>
-              </thead>
-              <tbody>
-                {rows.map((row, index) => (
-                  <tr
-                    key={`${row.region}:${row.delay}:${row.category_id}:${index}`}
-                  >
-                    <td>{row.region}</td>
-                    <td>D{row.delay}</td>
-                    <td>
+            <Table<PyramidRow>
+              dataSource={rows}
+              rowKey={(row) =>
+                row ? `${row.region}:${row.delay}:${row.category_id}` : ""
+              }
+              pagination={false}
+              size="small"
+              sticky
+              style={{ minWidth: 440 }}
+              empty={
+                state.data.items.length
+                  ? "没有匹配的 Pyramid 类别。"
+                  : "平台暂未返回 Pyramid 数据。"
+              }
+              columns={[
+                {
+                  title: "地区",
+                  key: "region",
+                  width: 64,
+                  render: (_, row) => row.region,
+                },
+                {
+                  title: "延迟",
+                  key: "delay",
+                  width: 64,
+                  render: (_, row) => <>D{row.delay}</>,
+                },
+                {
+                  title: "数据类别",
+                  key: "category",
+                  render: (_, row) => (
+                    <>
                       <strong>{row.category_name}</strong>
                       <small>{row.category_id}</small>
-                    </td>
-                    <td>
+                    </>
+                  ),
+                },
+                {
+                  title: metric,
+                  key: "value",
+                  width: 110,
+                  align: "right",
+                  render: (_, row) => (
+                    <>
                       <div className="home-value">
                         {row.value === null
                           ? "—"
@@ -345,18 +368,11 @@ function PyramidPanel({
                           }}
                         />
                       </div>
-                    </td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
-            {!rows.length && (
-              <div className="home-empty">
-                {state.data.items.length
-                  ? "没有匹配的 Pyramid 类别。"
-                  : "平台暂未返回 Pyramid 数据。"}
-              </div>
-            )}
+                    </>
+                  ),
+                },
+              ]}
+            />
           </div>
           <footer>
             {metric === "Alpha 数量" && (
diff --git a/frontend/src/pages/MCPKeysPage.tsx b/frontend/src/pages/MCPKeysPage.tsx
index b84404d..ce8611a 100644
--- a/frontend/src/pages/MCPKeysPage.tsx
+++ b/frontend/src/pages/MCPKeysPage.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { Banner, Button, Input, Toast } from "@douyinfe/semi-ui-19";
+import { Banner, Button, Input, Table, Toast } from "@douyinfe/semi-ui-19";
 import { api, formatTime, post } from "../api";
 import "./mcp-keys.css";
 
@@ -247,71 +247,88 @@ export function MCPKeysPage() {
           已创建的 Key <span className="mcp-key-count">{data?.total ?? 0}</span>
         </h2>
         <div className="mcp-key-table">
-          <table>
-            <thead>
-              <tr>
-                <th>名称</th>
-                <th>权限</th>
-                <th>状态</th>
-                <th>创建时间</th>
-                <th>到期时间</th>
-                <th>操作</th>
-              </tr>
-            </thead>
-            <tbody>
-              {data?.items.map((item) => (
-                <tr key={item.id}>
-                  <td>
+          <Table<Token>
+            dataSource={data?.items ?? []}
+            rowKey="id"
+            pagination={false}
+            size="small"
+            style={{ minWidth: 1040 }}
+            loading={loading}
+            empty="暂无 MCP Key。"
+            columns={[
+              {
+                title: "名称",
+                key: "name",
+                width: 240,
+                render: (_, item) => (
+                  <>
                     <strong>{item.name}</strong>
                     <small>{item.id}</small>
-                  </td>
-                  <td>
-                    {item.scopes.map((scope) => (
-                      <small key={scope}>
-                        {scopes.find(([value]) => value === scope)?.[1] ??
-                          scope}
-                      </small>
-                    ))}
-                  </td>
-                  <td>{labels[item.status]}</td>
-                  <td>{formatTime(item.created_at)}</td>
-                  <td>{formatTime(item.expires_at)}</td>
-                  <td>
-                    {item.revoked_at ? (
-                      "—"
-                    ) : revoking === item.id ? (
-                      <div>
-                        <p>撤销后新请求立即失效，已受理回测继续执行。</p>
-                        <Button
-                          type="danger"
-                          disabled={busy}
-                          onClick={() => void revoke(item.id)}
-                        >
-                          确认撤销
-                        </Button>
-                        <Button
-                          disabled={busy}
-                          onClick={() => setRevoking(null)}
-                        >
-                          取消
-                        </Button>
-                      </div>
-                    ) : (
+                  </>
+                ),
+              },
+              {
+                title: "权限",
+                key: "scopes",
+                width: 200,
+                render: (_, item) =>
+                  item.scopes.map((scope) => (
+                    <small key={scope}>
+                      {scopes.find(([value]) => value === scope)?.[1] ?? scope}
+                    </small>
+                  )),
+              },
+              {
+                title: "状态",
+                key: "status",
+                width: 100,
+                render: (_, item) => labels[item.status],
+              },
+              {
+                title: "创建时间",
+                key: "created_at",
+                width: 180,
+                render: (_, item) => formatTime(item.created_at),
+              },
+              {
+                title: "到期时间",
+                key: "expires_at",
+                width: 180,
+                render: (_, item) => formatTime(item.expires_at),
+              },
+              {
+                title: "操作",
+                key: "actions",
+                render: (_, item) =>
+                  item.revoked_at ? (
+                    "—"
+                  ) : revoking === item.id ? (
+                    <div>
+                      <p>撤销后新请求立即失效，已受理回测继续执行。</p>
                       <Button
                         type="danger"
                         disabled={busy}
-                        onClick={() => setRevoking(item.id)}
+                        onClick={() => void revoke(item.id)}
                       >
-                        撤销
+                        确认撤销
                       </Button>
-                    )}
-                  </td>
-                </tr>
-              ))}
-            </tbody>
-          </table>
+                      <Button disabled={busy} onClick={() => setRevoking(null)}>
+                        取消
+                      </Button>
+                    </div>
+                  ) : (
+                    <Button
+                      type="danger"
+                      disabled={busy}
+                      onClick={() => setRevoking(item.id)}
+                    >
+                      撤销
+                    </Button>
+                  ),
+              },
+            ]}
+          />
         </div>
-        {!loading && !data?.items.length && <p>暂无 MCP Key。</p>}
         <div className="mcp-key-actions">
           <Button
             disabled={offset === 0 || loading || busy}
diff --git a/frontend/src/pages/home.css b/frontend/src/pages/home.css
index 40bd0f2..271e6bd 100644
--- a/frontend/src/pages/home.css
+++ b/frontend/src/pages/home.css
@@ -126,31 +126,6 @@ body[theme-mode="dark"] .home-date-fields input {
   max-height: 420px;
   overflow: auto;
 }
-.home-panel table {
-  width: 100%;
-  border-collapse: separate;
-  border-spacing: 0;
-  text-align: left;
-  font-size: 13px;
-}
-.home-panel th {
-  position: sticky;
-  top: 0;
-  z-index: 1;
-  background: var(--canvas);
-  font-weight: 500;
-  color: var(--muted);
-  white-space: nowrap;
-}
-.home-panel td,
-.home-panel th {
-  padding: 12px 16px;
-  border-bottom: 1px solid var(--line);
-}
-.home-panel td:first-child,
-.home-panel td:nth-child(2) {
-  white-space: nowrap;
-}
 .home-panel td strong {
   font-weight: 400;
   overflow-wrap: anywhere;
@@ -161,10 +136,6 @@ body[theme-mode="dark"] .home-date-fields input {
   color: var(--muted);
   overflow-wrap: anywhere;
 }
-.home-panel td:last-child {
-  min-width: 96px;
-  text-align: right;
-}
 .home-value {
   font-variant-numeric: tabular-nums;
   font-weight: 500;
@@ -210,8 +181,4 @@ body[theme-mode="dark"] .home-date-fields input {
   .home-heading {
     align-items: flex-start;
   }
-  .home-panel td,
-  .home-panel th {
-    padding: 10px;
-  }
 }
diff --git a/frontend/src/pages/mcp-keys.css b/frontend/src/pages/mcp-keys.css
index 4b3fd8d..a6b2a21 100644
--- a/frontend/src/pages/mcp-keys.css
+++ b/frontend/src/pages/mcp-keys.css
@@ -84,21 +84,9 @@
 .mcp-key-table {
   overflow: auto;
 }
-.mcp-key-table table {
-  width: 100%;
-  border-collapse: collapse;
-  text-align: left;
-}
-.mcp-key-table th,
-.mcp-key-table td {
-  padding: 12px;
-  border-bottom: 1px solid var(--semi-color-border);
+.mcp-key-table .semi-table-row-cell {
   vertical-align: top;
-}
-.mcp-key-table th {
-  color: var(--semi-color-text-2);
-  font-weight: 500;
-  white-space: nowrap;
+  overflow-wrap: anywhere;
 }
 .mcp-key-count {
   color: var(--semi-color-text-2);
diff --git a/frontend/src/research/DeleteResearchButton.tsx b/frontend/src/research/DeleteResearchButton.tsx
new file mode 100644
index 0000000..c13bbca
--- /dev/null
+++ b/frontend/src/research/DeleteResearchButton.tsx
@@ -0,0 +1,30 @@
+import { Button, Popconfirm } from "@douyinfe/semi-ui-19";
+
+/** Remove a research item from its list while keeping historical references. */
+export function DeleteResearchButton({
+  name,
+  label,
+  disabled,
+  onConfirm,
+}: {
+  name: string;
+  label: string;
+  disabled?: boolean;
+  onConfirm: () => Promise<void>;
+}) {
+  return (
+    <Popconfirm
+      title={`删除${label}“${name}”？`}
+      okText="删除"
+      cancelText="取消"
+      okType="danger"
+      cancelButtonProps={{ autoFocus: true }}
+      disabled={disabled}
+      onConfirm={onConfirm}
+    >
+      <Button type="danger" theme="borderless" disabled={disabled}>
+        删除
+      </Button>
+    </Popconfirm>
+  );
+}
diff --git a/frontend/src/research/ExperimentView.tsx b/frontend/src/research/ExperimentView.tsx
index bac2ae3..f1106c0 100644
--- a/frontend/src/research/ExperimentView.tsx
+++ b/frontend/src/research/ExperimentView.tsx
@@ -1,5 +1,12 @@
 import { useState } from "react";
-import { Banner, Button, Checkbox, Tag, Toast } from "@douyinfe/semi-ui-19";
+import {
+  Banner,
+  Button,
+  Checkbox,
+  Table,
+  Tag,
+  Toast,
+} from "@douyinfe/semi-ui-19";
 import { post, formatTime } from "../api";
 import type { UIAction } from "../ai/types";
 import type { Experiment } from "./workspaceTypes";
@@ -7,13 +14,18 @@ import { EvaluationPanel } from "./EvaluationPanel";
 import { LineagePanel } from "./LineagePanel";
 import { ResearchSelect } from "./ResearchSelect";
 import { validationLabel } from "./workspaceTypes";
+import { DeleteResearchButton } from "./DeleteResearchButton";
 
 export function ExperimentView({
   experiment,
   onAction,
+  onDelete,
+  deleting,
 }: {
   experiment: Experiment;
   onAction: (action: UIAction) => void;
+  onDelete?: () => Promise<void>;
+  deleting?: boolean;
 }) {
   const [selected, setSelected] = useState<string[]>([]);
   const [assessment, setAssessment] = useState(false);
@@ -61,38 +73,59 @@ export function ExperimentView({
         </Button>
       </div>
       <p>{experiment.hypothesis}</p>
+      {experiment.archived ? (
+        <Banner
+          type="info"
+          description="此生成记录已删除，当前显示保留的候选与来源。"
+        />
+      ) : (
+        onDelete && (
+          <DeleteResearchButton
+            name={experiment.name}
+            label="生成记录"
+            disabled={busy || deleting}
+            onConfirm={onDelete}
+          />
+        )
+      )}
       <Banner
         type="info"
         description="候选已保存为不可变研究记录。本地校验不保证平台可执行；在回测预览中确认后才开始模拟。"
       />
       <div className="research-table-scroll">
-        <table className="research-table">
-          <thead>
-            <tr>
-              <th>选择</th>
-              <th>候选表达式</th>
-              <th>市场与设置</th>
-              <th>校验</th>
-            </tr>
-          </thead>
-          <tbody>
-            {experiment.candidates.map((candidate) => (
-              <tr key={candidate.client_item_id}>
-                <td>
-                  <Checkbox
-                    aria-label={`选择候选 ${candidate.client_item_id}`}
-                    disabled={candidate.validation.status !== "valid"}
-                    checked={selected.includes(candidate.client_item_id)}
-                    onChange={(event) =>
-                      setSelected((old) =>
-                        event.target.checked
-                          ? [...old, candidate.client_item_id]
-                          : old.filter((id) => id !== candidate.client_item_id),
-                      )
-                    }
-                  />
-                </td>
-                <td>
+        <Table<Experiment["candidates"][number]>
+          className="research-table"
+          dataSource={experiment.candidates}
+          rowKey="client_item_id"
+          pagination={false}
+          size="small"
+          style={{ minWidth: 840 }}
+          empty="暂无候选表达式。"
+          columns={[
+            {
+              title: "选择",
+              key: "selection",
+              width: 64,
+              render: (_, candidate) => (
+                <Checkbox
+                  aria-label={`选择候选 ${candidate.client_item_id}`}
+                  disabled={candidate.validation.status !== "valid"}
+                  checked={selected.includes(candidate.client_item_id)}
+                  onChange={(event) =>
+                    setSelected((old) =>
+                      event.target.checked
+                        ? [...old, candidate.client_item_id]
+                        : old.filter((id) => id !== candidate.client_item_id),
+                    )
+                  }
+                />
+              ),
+            },
+            {
+              title: "候选表达式",
+              key: "expression",
+              render: (_, candidate) => (
+                <>
                   <code>{candidate.expression}</code>
                   <details>
                     <summary>绑定与改动</summary>
@@ -107,15 +140,29 @@ export function ExperimentView({
                       )}
                     </pre>
                   </details>
-                </td>
-                <td>
+                </>
+              ),
+            },
+            {
+              title: "市场与设置",
+              key: "settings",
+              width: 240,
+              render: (_, candidate) => (
+                <>
                   {candidate.settings.region} / {candidate.settings.universe} /
                   D{candidate.settings.delay}
                   <br />
                   {candidate.settings.neutralization} · decay{" "}
                   {candidate.settings.decay}
-                </td>
-                <td>
+                </>
+              ),
+            },
+            {
+              title: "校验",
+              key: "validation",
+              width: 180,
+              render: (_, candidate) => (
+                <>
                   <Tag
                     color={
                       candidate.validation.status === "valid"
@@ -139,11 +186,11 @@ export function ExperimentView({
                       </p>
                     )),
                   )}
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
+                </>
+              ),
+            },
+          ]}
+        />
       </div>
       <div className="research-lineage">
         <strong>研究来源</strong>
diff --git a/frontend/src/research/FeaturesPage.tsx b/frontend/src/research/FeaturesPage.tsx
index a93842e..e8756d6 100644
--- a/frontend/src/research/FeaturesPage.tsx
+++ b/frontend/src/research/FeaturesPage.tsx
@@ -5,6 +5,7 @@ import {
   Button,
   Input,
   Pagination,
+  Table,
   TextArea,
   Toast,
 } from "@douyinfe/semi-ui-19";
@@ -13,6 +14,7 @@ import { IconAIEditLevel3 } from "@douyinfe/semi-icons";
 import { api, post } from "../api";
 import type { PageContext, UIAction } from "../ai/types";
 import { TemplateEditor } from "./TemplateEditor";
+import { DeleteResearchButton } from "./DeleteResearchButton";
 import { ResearchSelect } from "./ResearchSelect";
 import { blankTemplate } from "./workspaceTypes";
 import type { Asset, InputSnapshot, Template } from "./workspaceTypes";
@@ -71,6 +73,9 @@ export function FeaturesPage({
       .then(([list, fixed]) => {
         setItems(list.items);
         setTotal(list.total);
+        setPage((current) =>
+          Math.min(current, Math.max(1, Math.ceil(list.total / 25))),
+        );
         setInputs(fixed.items);
       })
       .catch((e) => {
@@ -131,6 +136,21 @@ export function FeaturesPage({
     setRevision((n) => n + 1);
     return saved;
   }
+  async function remove(item: FeatureAsset) {
+    await api(`/research/assets/${item.id}?version=${item.version}`, {
+      method: "DELETE",
+    });
+    setItems((old) => old.filter((entry) => entry.id !== item.id));
+    setTotal((old) => Math.max(0, old - 1));
+    if (asset?.id === item.id) {
+      setDetailOpen(false);
+      setAsset(null);
+      setDraft(blank());
+      setVersions([]);
+    }
+    setRevision((n) => n + 1);
+    Toast.success("特征方案已删除");
+  }
   return (
     <section className="research-workspace research-list-page">
       {error && !detailOpen && <Banner type="danger" description={error} />}
@@ -176,40 +196,67 @@ export function FeaturesPage({
           </>
         }
       >
-        <table className="research-table">
-          <thead>
-            <tr>
-              <th>方案名称</th>
-              <th>版本</th>
-              <th>经济假设</th>
-              <th>固定输入</th>
-              <th>处理步骤</th>
-            </tr>
-          </thead>
-          <tbody>
-            {items.map((item) => (
-              <tr key={item.id}>
-                <td>
-                  <Button
-                    theme="borderless"
-                    onClick={() => void run("load", () => load(item))}
-                  >
-                    {item.name}
-                  </Button>
-                </td>
-                <td>v{item.version}</td>
-                <td>{item.content.hypothesis || "—"}</td>
-                <td>{item.content.input_ids.length}</td>
-                <td>{item.content.steps.length}</td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-        {!items.length && (
-          <p className="research-list-empty">
-            暂无特征方案，请新建方案或调整筛选条件。
-          </p>
-        )}
+        <Table<FeatureAsset>
+          className="research-table"
+          dataSource={items}
+          rowKey="id"
+          pagination={false}
+          size="small"
+          sticky
+          style={{ minWidth: 800 }}
+          empty="暂无特征方案，请新建方案或调整筛选条件。"
+          columns={[
+            {
+              title: "方案名称",
+              key: "name",
+              width: 200,
+              render: (_, item) => (
+                <Button
+                  theme="borderless"
+                  onClick={() => void run("load", () => load(item))}
+                >
+                  {item.name}
+                </Button>
+              ),
+            },
+            {
+              title: "版本",
+              key: "version",
+              width: 80,
+              render: (_, item) => <>v{item.version}</>,
+            },
+            {
+              title: "经济假设",
+              key: "hypothesis",
+              render: (_, item) => item.content.hypothesis || "—",
+            },
+            {
+              title: "固定输入",
+              key: "inputs",
+              width: 100,
+              render: (_, item) => item.content.input_ids.length,
+            },
+            {
+              title: "处理步骤",
+              key: "steps",
+              width: 100,
+              render: (_, item) => item.content.steps.length,
+            },
+            {
+              title: "操作",
+              key: "actions",
+              width: 80,
+              render: (_, item) => (
+                <DeleteResearchButton
+                  name={item.name}
+                  label="特征方案"
+                  disabled={!!busy}
+                  onConfirm={() => run("delete", () => remove(item))}
+                />
+              ),
+            },
+          ]}
+        />
       </ResearchList>
       <ResearchDetail
         width="min(100vw, max(640px, 60vw))"
@@ -218,6 +265,12 @@ export function FeaturesPage({
         onClose={() => setDetailOpen(false)}
       >
         {error && <Banner type="danger" description={error} />}
+        {asset?.archived && (
+          <Banner
+            type="info"
+            description="此特征方案已删除，当前显示保留的历史版本。"
+          />
+        )}
         <div className="research-main">
           <div className="inline-actions">
             {asset && (
@@ -401,7 +454,7 @@ export function FeaturesPage({
             <Button
               theme="solid"
               loading={busy === "save"}
-              disabled={Boolean(busy)}
+              disabled={Boolean(busy) || asset?.archived}
               onClick={() =>
                 void run("save", async () => {
                   await save();
@@ -412,7 +465,7 @@ export function FeaturesPage({
               保存特征方案
             </Button>
             <Button
-              disabled={Boolean(busy)}
+              disabled={Boolean(busy) || asset?.archived}
               loading={busy === "convert"}
               onClick={() =>
                 void run("convert", async () => {
@@ -432,6 +485,14 @@ export function FeaturesPage({
             >
               保存并转为模板
             </Button>
+            {asset && !asset.archived && (
+              <DeleteResearchButton
+                name={asset.name}
+                label="特征方案"
+                disabled={!!busy}
+                onConfirm={() => run("delete", () => remove(asset))}
+              />
+            )}
           </div>
           <p className="research-hint">
             保存步骤不会计算原始时间序列。转换后的模板保留此方案的完整版本，回测前仍需展开校验并确认候选。
diff --git a/frontend/src/research/FlowRunView.tsx b/frontend/src/research/FlowRunView.tsx
index b3c7b4b..9c9e952 100644
--- a/frontend/src/research/FlowRunView.tsx
+++ b/frontend/src/research/FlowRunView.tsx
@@ -1,4 +1,4 @@
-import { Banner, Button, Tag, Toast } from "@douyinfe/semi-ui-19";
+import { Banner, Button, Table, Tag, Toast } from "@douyinfe/semi-ui-19";
 import { useState } from "react";
 import { post } from "../api";
 import type { UIAction } from "../ai/types";
@@ -98,27 +98,43 @@ export function FlowRunView({
         </pre>
       </details>
       <div className="research-table-scroll">
-        <table className="research-table">
-          <thead>
-            <tr>
-              <th>轮次 / 阶段</th>
-              <th>状态</th>
-              <th>产物与候选池</th>
-            </tr>
-          </thead>
-          <tbody>
-            {run.steps.map((step) => (
-              <tr key={step.id}>
-                <td>
+        <Table<FlowRun["steps"][number]>
+          className="research-table"
+          dataSource={run.steps}
+          rowKey="id"
+          pagination={false}
+          size="small"
+          style={{ minWidth: 680 }}
+          empty="暂无运行步骤。"
+          columns={[
+            {
+              title: "轮次 / 阶段",
+              key: "stage",
+              width: 170,
+              render: (_, step) => (
+                <>
                   {step.round} ·{" "}
                   {run.definition.nodes.find((n) => n.id === step.node_id)
                     ?.label || step.node_id}
-                </td>
-                <td>
+                </>
+              ),
+            },
+            {
+              title: "状态",
+              key: "status",
+              width: 140,
+              render: (_, step) => (
+                <>
                   {flowStatus[step.status] || step.status}
                   {step.error && <p>{step.error}</p>}
-                </td>
-                <td>
+                </>
+              ),
+            },
+            {
+              title: "产物与候选池",
+              key: "output",
+              render: (_, step) => (
+                <>
                   <div className="inline-actions">
                     {step.output.template && (
                       <Button
@@ -184,11 +200,11 @@ export function FlowRunView({
                       {JSON.stringify(step.output, null, 2)}
                     </pre>
                   </details>
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
+                </>
+              ),
+            },
+          ]}
+        />
       </div>
     </section>
   );
diff --git a/frontend/src/research/OperatorsPage.tsx b/frontend/src/research/OperatorsPage.tsx
index 9f8ea90..06a9bc8 100644
--- a/frontend/src/research/OperatorsPage.tsx
+++ b/frontend/src/research/OperatorsPage.tsx
@@ -6,6 +6,7 @@ import {
   Button,
   Checkbox,
   Input,
+  Table,
   TextArea,
 } from "@douyinfe/semi-ui-19";
 import { api, patch, post, formatTime } from "../api";
@@ -138,34 +139,40 @@ export function OperatorsPage({ active }: { active: boolean }) {
           </div>
         }
       >
-        <table className="research-table">
-          <thead>
-            <tr>
-              <th>算子</th>
-              <th>分类</th>
-              <th>定义</th>
-            </tr>
-          </thead>
-          <tbody>
-            {result.items.map((item) => (
-              <tr key={item.name}>
-                <td>
-                  <Button theme="borderless" onClick={() => setSelected(item)}>
-                    {item.local.favorite ? "已收藏 · " : ""}
-                    {item.name}
-                  </Button>
-                </td>
-                <td>{item.category}</td>
-                <td>
-                  <code>{item.definition}</code>
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-        {!result.items.length && (
-          <p>暂无算子。连接平台并同步目录，或调整筛选条件。</p>
-        )}
+        <Table<Operator>
+          className="research-table"
+          dataSource={result.items}
+          rowKey="name"
+          pagination={false}
+          size="small"
+          sticky
+          style={{ minWidth: 700 }}
+          empty="暂无算子。连接平台并同步目录，或调整筛选条件。"
+          columns={[
+            {
+              title: "算子",
+              key: "name",
+              width: 230,
+              render: (_, item) => (
+                <Button theme="borderless" onClick={() => setSelected(item)}>
+                  {item.local.favorite ? "已收藏 · " : ""}
+                  {item.name}
+                </Button>
+              ),
+            },
+            {
+              title: "分类",
+              key: "category",
+              width: 150,
+              render: (_, item) => item.category,
+            },
+            {
+              title: "定义",
+              key: "definition",
+              render: (_, item) => <code>{item.definition}</code>,
+            },
+          ]}
+        />
       </ResearchList>
       <ResearchDetail
         title={selected?.name || "算子详情"}
diff --git a/frontend/src/research/PipelinePage.tsx b/frontend/src/research/PipelinePage.tsx
index d47004d..9b94600 100644
--- a/frontend/src/research/PipelinePage.tsx
+++ b/frontend/src/research/PipelinePage.tsx
@@ -1,6 +1,6 @@
 import { ResearchList, ResearchDetail } from "./ResearchList";
 import { useEffect, useState } from "react";
-import { Banner, Button, Pagination } from "@douyinfe/semi-ui-19";
+import { Banner, Button, Pagination, Table } from "@douyinfe/semi-ui-19";
 import { api, formatTime } from "../api";
 import type { PageContext, UIAction } from "../ai/types";
 import { FlowLaunchForm } from "./FlowLaunchForm";
@@ -99,33 +99,45 @@ export function PipelinePage({
           </>
         }
       >
-        <table className="research-table">
-          <thead>
-            <tr>
-              <th>研究名称</th>
-              <th>状态</th>
-              <th>轮次</th>
-              <th>创建时间</th>
-            </tr>
-          </thead>
-          <tbody>
-            {items.map((item) => (
-              <tr key={item.id}>
-                <td>
-                  <Button theme="borderless" onClick={() => select(item.id)}>
-                    {item.name}
-                  </Button>
-                </td>
-                <td>{flowStatus[item.status]}</td>
-                <td>{item.round}</td>
-                <td>{formatTime(item.created_at)}</td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-        {!items.length && (
-          <p className="research-list-empty">暂无研究运行，请新建自动研究。</p>
-        )}
+        <Table<FlowRun>
+          className="research-table"
+          dataSource={items}
+          rowKey="id"
+          pagination={false}
+          size="small"
+          sticky
+          style={{ minWidth: 640 }}
+          empty="暂无研究运行，请新建自动研究。"
+          columns={[
+            {
+              title: "研究名称",
+              key: "name",
+              render: (_, item) => (
+                <Button theme="borderless" onClick={() => select(item.id)}>
+                  {item.name}
+                </Button>
+              ),
+            },
+            {
+              title: "状态",
+              key: "status",
+              width: 140,
+              render: (_, item) => flowStatus[item.status],
+            },
+            {
+              title: "轮次",
+              key: "round",
+              width: 80,
+              render: (_, item) => item.round,
+            },
+            {
+              title: "创建时间",
+              key: "created_at",
+              width: 190,
+              render: (_, item) => formatTime(item.created_at),
+            },
+          ]}
+        />
       </ResearchList>
       <ResearchDetail
         title={creating ? "新建自动研究" : "研究运行详情"}
diff --git a/frontend/src/research/QuantFlowPage.tsx b/frontend/src/research/QuantFlowPage.tsx
index fdf0e4f..e3f1730 100644
--- a/frontend/src/research/QuantFlowPage.tsx
+++ b/frontend/src/research/QuantFlowPage.tsx
@@ -6,6 +6,7 @@ import {
   Input,
   InputNumber,
   Pagination,
+  Table,
   TextArea,
   Toast,
 } from "@douyinfe/semi-ui-19";
@@ -422,76 +423,95 @@ export function QuantFlowPage({
         >
           {mode === "runs" ? (
             <>
-              <table className="research-table">
-                <thead>
-                  <tr>
-                    <th>运行名称</th>
-                    <th>状态</th>
-                    <th>轮次</th>
-                    <th>创建时间</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {runs.map((r) => (
-                    <tr key={r.id}>
-                      <td>
-                        <Button
-                          theme="borderless"
-                          onClick={() => {
-                            setRunId(r.id);
-                            setRun(null);
-                            localStorage.setItem(
-                              "quantflow-selected-run",
-                              r.id,
-                            );
-                            navigate(`/runs/${r.id}`);
-                          }}
-                        >
-                          {r.name}
-                        </Button>
-                      </td>
-                      <td>{flowStatus[r.status]}</td>
-                      <td>{r.round}</td>
-                      <td>{formatTime(r.created_at)}</td>
-                    </tr>
-                  ))}
-                </tbody>
-              </table>
-              {!runs.length && (
-                <p className="research-list-empty">暂无流程运行记录。</p>
-              )}
+              <Table<FlowRun>
+                className="research-table"
+                dataSource={runs}
+                rowKey="id"
+                pagination={false}
+                size="small"
+                sticky
+                style={{ minWidth: 640 }}
+                empty="暂无流程运行记录。"
+                columns={[
+                  {
+                    title: "运行名称",
+                    key: "name",
+                    render: (_, r) => (
+                      <Button
+                        theme="borderless"
+                        onClick={() => {
+                          setRunId(r.id);
+                          setRun(null);
+                          localStorage.setItem("quantflow-selected-run", r.id);
+                          navigate(`/runs/${r.id}`);
+                        }}
+                      >
+                        {r.name}
+                      </Button>
+                    ),
+                  },
+                  {
+                    title: "状态",
+                    key: "status",
+                    width: 140,
+                    render: (_, r) => flowStatus[r.status],
+                  },
+                  {
+                    title: "轮次",
+                    key: "round",
+                    width: 80,
+                    render: (_, r) => r.round,
+                  },
+                  {
+                    title: "创建时间",
+                    key: "created_at",
+                    width: 190,
+                    render: (_, r) => formatTime(r.created_at),
+                  },
+                ]}
+              />
             </>
           ) : (
             <>
-              <table className="research-table">
-                <thead>
-                  <tr>
-                    <th>流程名称</th>
-                    <th>版本</th>
-                    <th>节点数量</th>
-                    <th>连接数量</th>
-                  </tr>
-                </thead>
-                <tbody>
-                  {assets.map((a) => (
-                    <tr key={a.id}>
-                      <td>
-                        <Button theme="borderless" onClick={() => void open(a)}>
-                          {a.name}
-                        </Button>
-                      </td>
-                      <td>v{a.version}</td>
-                      <td>{a.content.nodes.length}</td>
-                      <td>{a.content.edges.length}</td>
-                    </tr>
-                  ))}
-                </tbody>
-              </table>
-              {!assets.length && (
-                <p className="research-list-empty">
-                  暂无流程，请新建流程或复制固定配方。
-                </p>
-              )}
+              <Table<WorkflowAsset>
+                className="research-table"
+                dataSource={assets}
+                rowKey="id"
+                pagination={false}
+                size="small"
+                sticky
+                style={{ minWidth: 640 }}
+                empty="暂无流程，请新建流程或复制固定配方。"
+                columns={[
+                  {
+                    title: "流程名称",
+                    key: "name",
+                    render: (_, a) => (
+                      <Button theme="borderless" onClick={() => void open(a)}>
+                        {a.name}
+                      </Button>
+                    ),
+                  },
+                  {
+                    title: "版本",
+                    key: "version",
+                    width: 80,
+                    render: (_, a) => <>v{a.version}</>,
+                  },
+                  {
+                    title: "节点数量",
+                    key: "nodes",
+                    width: 110,
+                    render: (_, a) => a.content.nodes.length,
+                  },
+                  {
+                    title: "连接数量",
+                    key: "edges",
+                    width: 110,
+                    render: (_, a) => a.content.edges.length,
+                  },
+                ]}
+              />
             </>
           )}
         </ResearchList>
diff --git a/frontend/src/research/ResearchWorkspace.tsx b/frontend/src/research/ResearchWorkspace.tsx
index 4485f22..6da4204 100644
--- a/frontend/src/research/ResearchWorkspace.tsx
+++ b/frontend/src/research/ResearchWorkspace.tsx
@@ -6,6 +6,7 @@ import {
   Button,
   Input,
   InputNumber,
+  Table,
   TextArea,
   Toast,
 } from "@douyinfe/semi-ui-19";
@@ -23,6 +24,7 @@ import {
 } from "./workspaceTypes";
 import { TemplateEditor } from "./TemplateEditor";
 import { ExperimentView } from "./ExperimentView";
+import { DeleteResearchButton } from "./DeleteResearchButton";
 import { ComparisonPanel } from "./ComparisonPanel";
 import "./workspace.css";
 
@@ -107,6 +109,12 @@ export function ResearchWorkspace({
     if (sequence !== refreshSequence.current) return;
     setAssetTotal(nextAssets.total);
     setHistoryTotal(nextHistory.total);
+    setAssetPage((current) =>
+      Math.min(current, Math.max(0, Math.ceil(nextAssets.total / 25) - 1)),
+    );
+    setHistoryPage((current) =>
+      Math.min(current, Math.max(0, Math.ceil(nextHistory.total / 25) - 1)),
+    );
     setAssets(nextAssets.items);
     setInputs(nextInputs.items);
     setHistory(nextHistory.items);
@@ -236,6 +244,31 @@ export function ResearchWorkspace({
     setTemplate(next.content);
     await refresh();
   }
+  async function removeAsset(item: Asset) {
+    await api(`/research/assets/${item.id}?version=${item.version}`, {
+      method: "DELETE",
+    });
+    setAssets((old) => old.filter((entry) => entry.id !== item.id));
+    setAssetTotal((old) => Math.max(0, old - 1));
+    if (asset?.id === item.id) {
+      if (detailMode === "editor") setDetailOpen(false);
+      setAsset(null);
+      setTemplate(blankTemplate());
+    }
+    Toast.success("模板已删除");
+    await refresh();
+  }
+  async function removeExperiment(item: { id: string }) {
+    await api(`/research/experiments/${item.id}`, { method: "DELETE" });
+    setHistory((old) => old.filter((entry) => entry.id !== item.id));
+    setHistoryTotal((old) => Math.max(0, old - 1));
+    if (experiment?.id === item.id) {
+      if (detailMode === "experiment") setDetailOpen(false);
+      setExperiment(null);
+    }
+    Toast.success("生成记录已删除");
+    await refresh();
+  }
   async function expand() {
     if (dirty) throw new Error("请先保存模板版本，再生成可追溯候选");
     const next = await post<Experiment>("/research/experiments", {
@@ -344,92 +377,137 @@ export function ResearchWorkspace({
       >
         {listMode === "assets" ? (
           <>
-            <table className="research-table">
-              <thead>
-                <tr>
-                  <th>模板名称</th>
-                  <th>版本</th>
-                  <th>表达式</th>
-                  <th>分类</th>
-                </tr>
-              </thead>
-              <tbody>
-                {assets.map((item) => (
-                  <tr key={item.id}>
-                    <td>
-                      <Button
-                        theme="borderless"
-                        onClick={() =>
-                          void task("读取模板", async () => {
-                            const next = await api<Asset>(
-                              `/research/assets/${item.id}`,
-                            );
-                            setAsset(next);
-                            setTemplate(next.content);
-                            setExperiment(null);
-                            setDetailMode("editor");
-                            setDetailOpen(true);
-                          })
-                        }
-                      >
-                        {item.name}
-                      </Button>
-                    </td>
-                    <td>v{item.version}</td>
-                    <td>
-                      <code>{item.content.expression}</code>
-                    </td>
-                    <td>
-                      {item.content.category === "fragment" ? "片段" : "模板"}
-                    </td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
-            {!assets.length && (
-              <p className="research-list-empty">
-                还没有模板。新建或导入一个模板开始研究。
-              </p>
-            )}
+            <Table<Asset>
+              className="research-table"
+              dataSource={assets}
+              rowKey="id"
+              pagination={false}
+              size="small"
+              sticky
+              style={{ minWidth: 720 }}
+              empty="还没有模板。新建或导入一个模板开始研究。"
+              columns={[
+                {
+                  title: "模板名称",
+                  key: "name",
+                  render: (_, item) => (
+                    <Button
+                      theme="borderless"
+                      onClick={() =>
+                        void task("读取模板", async () => {
+                          const next = await api<Asset>(
+                            `/research/assets/${item.id}`,
+                          );
+                          setAsset(next);
+                          setTemplate(next.content);
+                          setExperiment(null);
+                          setDetailMode("editor");
+                          setDetailOpen(true);
+                        })
+                      }
+                    >
+                      {item.name}
+                    </Button>
+                  ),
+                },
+                {
+                  title: "版本",
+                  key: "version",
+                  width: 80,
+                  render: (_, item) => <>v{item.version}</>,
+                },
+                {
+                  title: "表达式",
+                  key: "expression",
+                  width: 260,
+                  render: (_, item) => <code>{item.content.expression}</code>,
+                },
+                {
+                  title: "分类",
+                  key: "category",
+                  width: 90,
+                  render: (_, item) =>
+                    item.content.category === "fragment" ? "片段" : "模板",
+                },
+                {
+                  title: "操作",
+                  key: "actions",
+                  width: 80,
+                  render: (_, item) => (
+                    <DeleteResearchButton
+                      name={item.name}
+                      label="模板"
+                      disabled={!!busy}
+                      onConfirm={() =>
+                        task("删除模板", () => removeAsset(item))
+                      }
+                    />
+                  ),
+                },
+              ]}
+            />
           </>
         ) : (
           <>
-            <table className="research-table">
-              <thead>
-                <tr>
-                  <th>研究名称</th>
-                  <th>候选数量</th>
-                  <th>创建时间</th>
-                </tr>
-              </thead>
-              <tbody>
-                {history.map((item) => (
-                  <tr key={item.id}>
-                    <td>
-                      <Button
-                        theme="borderless"
-                        onClick={() =>
-                          void task("读取实验", async () => {
-                            setExperiment(
-                              await api(`/research/experiments/${item.id}`),
-                            );
-                            setDetailMode("experiment");
-                            setDetailOpen(true);
-                          })
-                        }
-                      >
-                        {item.name}
-                      </Button>
-                    </td>
-                    <td>{item.total}</td>
-                    <td>{formatTime(item.created_at)}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
-            {!history.length && (
-              <p className="research-list-empty">暂无生成记录。</p>
-            )}
+            <Table<(typeof history)[number]>
+              className="research-table"
+              dataSource={history}
+              rowKey="id"
+              pagination={false}
+              size="small"
+              sticky
+              style={{ minWidth: 640 }}
+              empty="暂无生成记录。"
+              columns={[
+                {
+                  title: "研究名称",
+                  key: "name",
+                  render: (_, item) => (
+                    <Button
+                      theme="borderless"
+                      onClick={() =>
+                        void task("读取实验", async () => {
+                          setExperiment(
+                            await api(`/research/experiments/${item.id}`),
+                          );
+                          setDetailMode("experiment");
+                          setDetailOpen(true);
+                        })
+                      }
+                    >
+                      {item.name}
+                    </Button>
+                  ),
+                },
+                {
+                  title: "候选数量",
+                  key: "total",
+                  width: 110,
+                  render: (_, item) => item.total,
+                },
+                {
+                  title: "创建时间",
+                  key: "created_at",
+                  width: 190,
+                  render: (_, item) => formatTime(item.created_at),
+                },
+                {
+                  title: "操作",
+                  key: "actions",
+                  width: 80,
+                  render: (_, item) => (
+                    <DeleteResearchButton
+                      name={item.name}
+                      label="生成记录"
+                      disabled={!!busy}
+                      onConfirm={() =>
+                        task("删除生成记录", () => removeExperiment(item))
+                      }
+                    />
+                  ),
+                },
+              ]}
+            />
           </>
         )}
       </ResearchList>
@@ -452,10 +530,20 @@ export function ResearchWorkspace({
               key={experiment.id}
               experiment={experiment}
               onAction={onAction}
+              deleting={!!busy}
+              onDelete={() =>
+                task("删除生成记录", () => removeExperiment(experiment))
+              }
             />
           )
         ) : (
           <div className="research-main">
+            {asset?.archived && (
+              <Banner
+                type="info"
+                description="此模板已删除，当前显示保留的历史版本；可另存新模板继续编辑。"
+              />
+            )}
             <section className="research-card">
               <h3>研究输入与假设</h3>
               {page === "variants" && (
@@ -619,11 +707,21 @@ export function ResearchWorkspace({
                 )}
                 <div className="research-toolbar">
                   <Button
-                    disabled={!!busy}
+                    disabled={!!busy || asset?.archived}
                     onClick={() => void task("保存模板", save)}
                   >
                     保存模板版本
                   </Button>
+                  {asset && !asset.archived && (
+                    <DeleteResearchButton
+                      name={asset.name}
+                      label="模板"
+                      disabled={!!busy}
+                      onConfirm={() =>
+                        task("删除模板", () => removeAsset(asset))
+                      }
+                    />
+                  )}
                   <span>组合规模：{combination}</span>
                 </div>
                 <div className="research-form-grid">
@@ -776,6 +874,10 @@ export function ResearchWorkspace({
                 key={experiment.id}
                 experiment={experiment}
                 onAction={onAction}
+                deleting={!!busy}
+                onDelete={() =>
+                  task("删除生成记录", () => removeExperiment(experiment))
+                }
               />
             )}
             {page === "templates" && (
diff --git a/frontend/src/research/workspace.css b/frontend/src/research/workspace.css
index 24864ab..bd98a18 100644
--- a/frontend/src/research/workspace.css
+++ b/frontend/src/research/workspace.css
@@ -104,25 +104,8 @@
 .research-table-scroll {
   overflow-x: auto;
 }
-.research-table {
-  border-collapse: collapse;
-  width: 100%;
-  font-size: 13px;
-}
-.research-table th {
-  color: var(--semi-color-text-2);
-  font-weight: 500;
-  background: var(--semi-color-fill-0);
-}
-.research-table th,
-.research-table td {
-  text-align: left;
+.research-table .semi-table-row-cell {
   vertical-align: top;
-  padding: 12px;
-  border-bottom: 1px solid var(--semi-color-border);
-}
-.research-table td {
-  max-width: 350px;
   overflow-wrap: anywhere;
 }
 .research-table details {
@@ -356,16 +339,6 @@
   overflow: auto;
   overscroll-behavior: contain;
 }
-.research-list-scroll .research-table th {
-  position: sticky;
-  top: 0;
-  z-index: 1;
-  background: var(--canvas);
-}
-.research-list-empty {
-  padding: 40px 16px;
-  text-align: center;
-}
 .research-detail .semi-sidesheet-body {
   min-height: 0;
   overflow: auto;
diff --git a/frontend/src/research/workspaceTypes.ts b/frontend/src/research/workspaceTypes.ts
index 778c5b6..38771dd 100644
--- a/frontend/src/research/workspaceTypes.ts
+++ b/frontend/src/research/workspaceTypes.ts
@@ -24,6 +24,8 @@ export type Asset = {
   name: string;
   kind: string;
   version: number;
+  latest_version?: number;
+  archived?: boolean;
   content: Template;
   provenance?: {
     feature?: {
@@ -59,6 +61,7 @@ export type ResearchCandidate = Candidate & {
 };
 export type Experiment = {
   id: string;
+  archived?: boolean;
   name: string;
   hypothesis: string;
   kind: string;
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 4c113d6..e290394 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -546,26 +546,6 @@ label:not(.semi-checkbox):not(.semi-radio) {
 .usage-table-wrap {
   overflow-x: auto;
 }
-.usage-table {
-  width: 100%;
-  border-collapse: collapse;
-  min-width: 560px;
-  text-align: left;
-  font-size: 13px;
-}
-.usage-table th,
-.usage-table td {
-  padding: var(--space-2) var(--space-3);
-  border-bottom: 1px solid var(--line);
-  font-weight: 400;
-}
-.usage-table thead {
-  background: var(--canvas);
-  color: var(--muted);
-}
-.usage-table thead th {
-  font-weight: 500;
-}
 .usage-note {
   margin-top: var(--space-2);
   font-size: 12px;