diff --git a/B01_Dashboard/B01_Dashboard_UI_Page.ts b/B01_Dashboard/B01_Dashboard_UI_Page.ts
index 75d0905ad..5d81ea51c 100644
--- a/B01_Dashboard/B01_Dashboard_UI_Page.ts
+++ b/B01_Dashboard/B01_Dashboard_UI_Page.ts
@@ -9,6 +9,7 @@ import {
 } from "@ui/ui_template_elements";
 import { section } from "@ui/ui_template_general_blocks";
 import { createGeneralLayout } from "@ui/ui_template_general_layout";
+import { createWorkflowOverlays } from "@ui/ui_template_overlay";
 import { navigateTo } from "../A00_Common/router";
 import {
   fetchAllCompanies,
@@ -42,6 +43,12 @@ import { buildProfileForm, buildSecurityForm } from "./B01_Dashboard_UI_Profile"
 import { openCompanyPicker } from "./B01_Dashboard_UI_CompanyPick";
 import { projectTable } from "./B01_Dashboard_UI_Projects";
 import { buildResourcePanel } from "./B01_Dashboard_UI_Resources";
+import {
+  buildSidePanel,
+  pickActiveKey,
+  rememberActiveKey,
+  type PanelItem,
+} from "./B01_Dashboard_UI_SidePanel";
 import { buildTempUploadSection } from "./B01_Dashboard_UI_TempUpload";
 import { buildKnowledgeChat } from "./B01_Dashboard_UI_Knowledge_Chat";
 import "./B01_Dashboard_UI_Style.css";
@@ -229,87 +236,133 @@ function buildSystemSettingsSection(state: DashboardState): HTMLElement {
   return card;
 }
 
-function buildPage(state: DashboardState): HTMLElement {
-  // 제목·여백은 공용 템플릿을 따른다 (2026-09-06 사용자 지시) — B02 등 다른 화면과 같은 모양.
-  const page = document.createElement("div");
-
-  const grid = document.createElement("div");
-  grid.className = "b01-dashboard__grid";
-
-  if (state.user.role === "SYSTEM_ADMIN") {
-    // 시스템 설정은 리소스 현황 아래(29-1) · 회사 알약이 붙은 컨테이너는 고른 회사 것
-    const picked = state.allCompanies.filter((c) => c.id === state.adminCompanyId);
-    grid.append(
-      section(L("B01_Dashboard_Resources"), buildResourcePanel(state.resources), true),
-      buildSystemSettingsSection(state),
-      withCompanyPill(
-        section(L("B01_Dashboard_Projects"), projectTable(state.allProjects, state.user), true, [
-          createButton({ label: "+", onClick: () => navigateTo(ROUTES.B02_PROJ_REGISTER) }),
-        ]),
-        state,
-      ),
-      buildTempUploadSection(),
-      withCompanyPill(
-        section(L("B01_Dashboard_Users"), userTable(state.allUsers, state.user), true, [
-          createButton({
-            label: "+",
-            onClick: () => openAddMemberModal(undefined, state.adminCompanyId),
-          }),
-        ]),
-        state,
-      ),
-      withCompanyPill(
-        section(
-          L("B01_Dashboard_JoinRequests"),
-          joinRequestTable(state.allJoinRequests, true),
-          true,
-        ),
-        state,
-      ),
-      withCompanyPill(
-        section(L("B01_Dashboard_Companies"), companyTable(picked, state.user), true, [
-          createButton({ label: "+", onClick: () => openCreateCompanyModal() }),
-        ]),
-        state,
-      ),
-    );
-  } else if (state.user.role === "ADMIN") {
-    // 시스템 설정은 맨 위 한 줄(27-3a)
-    grid.append(
-      buildSystemSettingsSection(state),
-      section(L("B01_Dashboard_Projects"), projectTable(state.companyProjects, state.user), true, [
-        createButton({ label: "+", onClick: () => navigateTo(ROUTES.B02_PROJ_REGISTER) }),
-      ]),
-      buildTempUploadSection(),
-      section(L("B01_Dashboard_Members"), memberTable(state.members, state.user), true, [
-        createButton({ label: "+", onClick: () => openAddMemberModal() }),
-      ]),
-      section(L("B01_Dashboard_JoinRequests"), joinRequestTable(state.joinRequests, false), true),
-      section(L("B01_Dashboard_Company"), buildCompanyPanel(state), true),
-    );
-  } else {
-    grid.append(
-      buildSystemSettingsSection(state),
-      section(L("B01_Dashboard_Projects"), projectTable(state.userProjects, state.user), true, [
-        createButton({ label: "+", onClick: () => navigateTo(ROUTES.B02_PROJ_REGISTER) }),
-      ]),
-      // 임시 보관함 — 프로젝트를 만들기 전에 자료를 올려 두는 곳이라 프로젝트 목록
-      // 바로 아래에 둔다(2026-08-08 사용자 지시).
-      buildTempUploadSection(),
-      section(L("B01_Dashboard_Company"), buildCompanyPanel(state), true),
-    );
-  }
-
-  grid.append(
-    section(L("B01_Dashboard_Profile"), buildProfileForm(state.user)),
-    section(L("B01_Account_Section_Security"), buildSecurityForm()),
+/** 좌측 패널 항목 — 권한별 · 항목 하나 = 지금 컨테이너 그대로(누를 때 만듦) */
+function panelItems(state: DashboardState): PanelItem[] {
+  const one = (key: string, label: string, make: () => HTMLElement): PanelItem => ({
+    key,
+    label,
+    build: () => [make()],
+  });
+  const projectsAdd = [
+    createButton({ label: "+", onClick: () => navigateTo(ROUTES.B02_PROJ_REGISTER) }),
+  ];
+  const myInfo: PanelItem = {
+    key: "profile",
+    label: L("B01_Panel_MyInfo"),
+    build: () => [
+      section(L("B01_Dashboard_Profile"), buildProfileForm(state.user)),
+      section(L("B01_Account_Section_Security"), buildSecurityForm()),
+    ],
+  };
+  const settings = one("settings", L("B01_Dashboard_SystemSettings"), () =>
+    buildSystemSettingsSection(state),
   );
-  // 시스템 로그는 맨 아래 (2026-09-06 사용자 지시).
+  const temp = one("temp", L("B01_Temp_Section"), () => buildTempUploadSection());
   if (state.user.role === "SYSTEM_ADMIN") {
-    grid.append(section(L("B01_Dashboard_AuditLogs"), auditLogTable(state.auditLogs), true));
+    // 회사 알약이 붙은 컨테이너는 고른 회사 것
+    const picked = state.allCompanies.filter((c) => c.id === state.adminCompanyId);
+    return [
+      one("resources", L("B01_Dashboard_Resources"), () =>
+        section(L("B01_Dashboard_Resources"), buildResourcePanel(state.resources), true),
+      ),
+      settings,
+      one("projects", L("B01_Dashboard_Projects"), () =>
+        withCompanyPill(
+          section(
+            L("B01_Dashboard_Projects"),
+            projectTable(state.allProjects, state.user),
+            true,
+            projectsAdd,
+          ),
+          state,
+        ),
+      ),
+      temp,
+      one("users", L("B01_Dashboard_Users"), () =>
+        withCompanyPill(
+          section(L("B01_Dashboard_Users"), userTable(state.allUsers, state.user), true, [
+            createButton({
+              label: "+",
+              onClick: () => openAddMemberModal(undefined, state.adminCompanyId),
+            }),
+          ]),
+          state,
+        ),
+      ),
+      one("requests", L("B01_Dashboard_JoinRequests"), () =>
+        withCompanyPill(
+          section(
+            L("B01_Dashboard_JoinRequests"),
+            joinRequestTable(state.allJoinRequests, true),
+            true,
+          ),
+          state,
+        ),
+      ),
+      one("companies", L("B01_Dashboard_Companies"), () =>
+        withCompanyPill(
+          section(L("B01_Dashboard_Companies"), companyTable(picked, state.user), true, [
+            createButton({ label: "+", onClick: () => openCreateCompanyModal() }),
+          ]),
+          state,
+        ),
+      ),
+      myInfo,
+      one("logs", L("B01_Dashboard_AuditLogs"), () =>
+        section(L("B01_Dashboard_AuditLogs"), auditLogTable(state.auditLogs), true),
+      ),
+    ];
   }
-  page.append(grid);
-  page.append(buildKnowledgeChat());
+  const company = one("company", L("B01_Dashboard_Company"), () =>
+    section(L("B01_Dashboard_Company"), buildCompanyPanel(state), true),
+  );
+  if (state.user.role === "ADMIN") {
+    return [
+      settings,
+      one("projects", L("B01_Dashboard_Projects"), () =>
+        section(
+          L("B01_Dashboard_Projects"),
+          projectTable(state.companyProjects, state.user),
+          true,
+          projectsAdd,
+        ),
+      ),
+      temp,
+      one("members", L("B01_Dashboard_Members"), () =>
+        section(L("B01_Dashboard_Members"), memberTable(state.members, state.user), true, [
+          createButton({ label: "+", onClick: () => openAddMemberModal() }),
+        ]),
+      ),
+      one("requests", L("B01_Dashboard_JoinRequests"), () =>
+        section(L("B01_Dashboard_JoinRequests"), joinRequestTable(state.joinRequests, false), true),
+      ),
+      company,
+      myInfo,
+    ];
+  }
+  return [
+    settings,
+    one("projects", L("B01_Dashboard_Projects"), () =>
+      section(
+        L("B01_Dashboard_Projects"),
+        projectTable(state.userProjects, state.user),
+        true,
+        projectsAdd,
+      ),
+    ),
+    temp,
+    company,
+    myInfo,
+  ];
+}
+
+function buildPage(state: DashboardState): HTMLElement {
+  const items = panelItems(state);
+  const detail = document.createElement("div");
+  detail.className = "b01-dashboard__grid";
+  // 제목·여백은 공용 템플릿을 따른다 (2026-09-06 사용자 지시) — 본문은 고른 항목 하나.
+  const page = document.createElement("div");
+  page.append(detail, buildKnowledgeChat());
   const layout = createGeneralLayout({
     pageClass: "b01-dashboard",
     title: L("B01_Dashboard_Title"),
@@ -323,5 +376,23 @@ function buildPage(state: DashboardState): HTMLElement {
   );
   tag.classList.add("b01-dashboard__role");
   layout.root.querySelector(".ui-general-layout__header")?.append(tag);
+
+  // B 그룹 공용 좌측 패널(M01 · B03 과 같은 오버레이) — 열리면 본문을 밀어냄
+  const panel = buildSidePanel(items, pickActiveKey(items), (key) => show(key, true));
+  const overlays = createWorkflowOverlays({
+    title: L("B01_Panel_Title"),
+    optionsContent: panel.root,
+    showProjectName: false,
+    onOptionsOpenChange: (isOpen) => layout.root.classList.toggle("is-options-open", isOpen),
+  });
+  layout.root.append(overlays.root);
+  function show(key: string, picked: boolean): void {
+    detail.replaceChildren(...(items.find((item) => item.key === key) ?? items[0]).build());
+    panel.setActive(key);
+    rememberActiveKey(key);
+    // 좁은 화면(패널이 본문을 덮음)에서는 고르면 접음
+    if (picked && window.matchMedia("(max-width: 860px)").matches) overlays.setTitleOpen(false);
+  }
+  show(pickActiveKey(items), false);
   return layout.root;
 }
diff --git a/B01_Dashboard/B01_Dashboard_UI_SidePanel.ts b/B01_Dashboard/B01_Dashboard_UI_SidePanel.ts
new file mode 100644
index 000000000..e574bf97c
--- /dev/null
+++ b/B01_Dashboard/B01_Dashboard_UI_SidePanel.ts
@@ -0,0 +1,47 @@
+import { ROUTES } from "@config/config_frontend";
+import { currentQuery } from "../A00_Common/router";
+
+/** 좌측 패널 항목 하나 — 누르면 우측 상세에 `build()` 결과만 보임 */
+export interface PanelItem {
+  key: string;
+  label: string;
+  build: () => HTMLElement[];
+}
+
+/** 해시 `?tab=` 에 남은 항목 — 없거나 이 권한에 없는 항목이면 첫 항목 */
+export function pickActiveKey(items: readonly PanelItem[]): string {
+  const saved = currentQuery().get("tab");
+  return items.find((item) => item.key === saved)?.key ?? items[0].key;
+}
+
+/** 고른 항목을 해시에 남김 — hashchange 를 일으키지 않음(다시 그리면 같은 항목으로 돌아옴) */
+export function rememberActiveKey(key: string): void {
+  history.replaceState(null, "", `#/${ROUTES.B01_ACCOUNT}?tab=${encodeURIComponent(key)}`);
+}
+
+/** B 그룹 공용 좌측 패널 목록 모양(`ui-sidebar-*`) — 줄 하나 = 항목 하나 */
+export function buildSidePanel(
+  items: readonly PanelItem[],
+  activeKey: string,
+  onPick: (key: string) => void,
+): { root: HTMLElement; setActive: (key: string) => void } {
+  const list = document.createElement("div");
+  list.className = "ui-sidebar-list b01-dashboard__panel-list";
+  const rows = new Map<string, HTMLButtonElement>();
+  for (const item of items) {
+    const row = document.createElement("button");
+    row.type = "button";
+    row.className = "ui-sidebar-row b01-dashboard__panel-row";
+    row.textContent = item.label;
+    row.addEventListener("click", () => onPick(item.key));
+    rows.set(item.key, row);
+    list.append(row);
+  }
+  const setActive = (key: string): void =>
+    rows.forEach((row, rowKey) => row.classList.toggle("is-active", rowKey === key));
+  setActive(activeKey);
+  const root = document.createElement("div");
+  root.className = "ui-sidebar-panel b01-dashboard__panel";
+  root.append(list);
+  return { root, setActive };
+}
diff --git a/B01_Dashboard/B01_Dashboard_UI_Style.css b/B01_Dashboard/B01_Dashboard_UI_Style.css
index 16efe22a4..b8dc6b8ac 100644
--- a/B01_Dashboard/B01_Dashboard_UI_Style.css
+++ b/B01_Dashboard/B01_Dashboard_UI_Style.css
@@ -683,3 +683,27 @@
   outline: 2px solid var(--color-royal-amethyst, #6843a7);
   outline-offset: 2px;
 }
+
+/* 좌측 패널(공용 오버레이) — 열리면 본문을 밀어내고 접히면 손잡이 폭만 남김(B03 과 같은 값) */
+.b01-dashboard .ui-general-layout__inner {
+  transition: padding-left var(--transition-base);
+}
+
+.b01-dashboard.is-options-open .ui-general-layout__inner {
+  padding-left: min(var(--wf-left-panel-width), calc(100vw - var(--spacing-48)));
+}
+
+.b01-dashboard:not(.is-options-open) .ui-general-layout__inner {
+  padding-left: var(--spacing-24);
+}
+
+@media (max-width: 860px) {
+  .b01-dashboard.is-options-open .ui-general-layout__inner {
+    padding-left: 0;
+  }
+}
+
+.b01-dashboard__panel-list {
+  max-height: none;
+  margin-top: 0;
+}
diff --git a/resources/tester/test_b01_settings_cards.py b/resources/tester/test_b01_settings_cards.py
index f5872516f..e0a81d7c5 100644
--- a/resources/tester/test_b01_settings_cards.py
+++ b/resources/tester/test_b01_settings_cards.py
@@ -98,14 +98,15 @@ def test_회사_관리자_개인_카드_하나():
 
 def test_모든_역할_한_줄_통째로_접힘():
     src = _text(PAGE)
-    build = _fn(src, "buildPage")
+    build = _fn(src, "panelItems")
     # 세 갈래 모두 한 번씩 · 시스템 관리자는 리소스 현황 아래(29-1) · 프로젝트 위
-    assert build.count("buildSystemSettingsSection(state)") == 3
-    sys_part = build.split('} else if (state.user.role === "ADMIN")')[0]
+    assert "buildSystemSettingsSection(state)" in build
+    assert len(re.findall(r"^\s+settings,$", build, re.M)) == 3
+    sys_part = build.split('if (state.user.role === "ADMIN")')[0]
     assert (
-        sys_part.index('L("B01_Dashboard_Resources")')
-        < sys_part.index("buildSystemSettingsSection(state)")
-        < sys_part.index('L("B01_Dashboard_Projects")')
+        sys_part.index('one("resources"')
+        < sys_part.index("      settings,")
+        < sys_part.index('one("projects"')
     )
     assert "StructureManage" not in src and "buildStructurePanel" not in src
     assert "top-row" not in src
@@ -132,11 +133,11 @@ def test_회사_알약_시스템_관리자만():
     for call in ("fetchAllUsers(companyId)", "fetchCompanyJoinRequests(companyId)",
                  "fetchCompanyProjects(companyId)"):  # fmt: skip
         assert call in load, call
-    build = _fn(src, "buildPage")
+    build = _fn(src, "panelItems")
     # 회사 따라 바뀌는 컨테이너 넷(프로젝트 · 사용자 관리 · 가입 요청 · 회사 관리)마다 알약
-    sys_part = build.split('} else if (state.user.role === "ADMIN")')[0]
+    sys_part = build.split('if (state.user.role === "ADMIN")')[0]
     assert sys_part.count("withCompanyPill(") == 4
-    assert "withCompanyPill" not in build.split('} else if (state.user.role === "ADMIN")')[1]
+    assert "withCompanyPill" not in build.split('if (state.user.role === "ADMIN")')[1]
     assert "companyTable(picked, state.user)" in build
     assert "openAddMemberModal(undefined, state.adminCompanyId)" in build
 
diff --git a/resources/tester/test_b01_side_panel.py b/resources/tester/test_b01_side_panel.py
new file mode 100644
index 000000000..3f1cd902b
--- /dev/null
+++ b/resources/tester/test_b01_side_panel.py
@@ -0,0 +1,56 @@
+"""B01 대시보드 좌측 패널 시험(99-2) — 권한별 항목 · 해시 유지 · 공용 오버레이. 화면 조작은 ORCA."""
+
+from __future__ import annotations
+
+import re
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[2]
+B01 = ROOT / "B01_Dashboard"
+
+
+def _text(name: str) -> str:
+    return (B01 / name).read_text(encoding="utf-8")
+
+
+def _items(role: str) -> list[str]:
+    """panelItems 안 권한별 return 목록의 항목 이름(key) 차례."""
+    body = re.search(r"^function panelItems\([\s\S]*?^}", _text("B01_Dashboard_UI_Page.ts"), re.M)
+    assert body
+    lists = re.findall(r"^( *)return \[\n([\s\S]*?)^\1\];", body.group(0), re.M)
+    part = lists[["SYSTEM_ADMIN", "ADMIN", "USER"].index(role)][1]
+    found = re.findall(r'one\(\s*"(\w+)"|^ {4,6}(settings|temp|company|myInfo),', part, re.M)
+    names = [a or b for a, b in found]
+    return ["profile" if n == "myInfo" else n for n in names]
+
+
+def test_권한별_항목_차례():
+    assert _items("SYSTEM_ADMIN") == [
+        "resources", "settings", "projects", "temp", "users", "requests",
+        "companies", "profile", "logs",
+    ]  # fmt: skip
+    assert _items("ADMIN") == [
+        "settings", "projects", "temp", "members", "requests", "company", "profile",
+    ]  # fmt: skip
+    assert _items("USER") == ["settings", "projects", "temp", "company", "profile"]
+
+
+def test_고른_항목_해시에_남김():
+    panel = _text("B01_Dashboard_UI_SidePanel.ts")
+    assert 'currentQuery().get("tab")' in panel
+    assert "history.replaceState" in panel  # hashchange 를 안 일으킴
+    page = _text("B01_Dashboard_UI_Page.ts")
+    assert "show(pickActiveKey(items), false)" in page  # 다시 그려도 같은 항목
+    assert 'const ADMIN_COMPANY_KEY = "aislo.adminCompany";' in page
+
+
+def test_공용_좌측_패널_부품():
+    page = _text("B01_Dashboard_UI_Page.ts")
+    assert "createWorkflowOverlays" in page and "showProjectName: false" in page
+    assert "is-options-open" in page
+    panel = _text("B01_Dashboard_UI_SidePanel.ts")
+    assert "ui-sidebar-list" in panel and "ui-sidebar-row" in panel
+    # 옛 탭 줄 · 해시 탭 부품 없음
+    assert not (B01 / "B01_Dashboard_UI_Tabs.ts").exists()
+    # 좁은 화면(≤860) — 고르면 접음
+    assert "max-width: 860px" in page
diff --git a/ui_template/ui_template_locale_b1.ts b/ui_template/ui_template_locale_b1.ts
index bd455c923..5b863b99f 100644
--- a/ui_template/ui_template_locale_b1.ts
+++ b/ui_template/ui_template_locale_b1.ts
@@ -128,6 +128,8 @@ export const ui_locales_b1 = {
   B01_Temp_Delete_Failed: ["삭제에 실패했습니다.", "Failed to delete."],
 
   B01_Dashboard_Profile: ["기본정보", "Profile"],
+  B01_Panel_Title: ["대시보드", "Dashboard"],
+  B01_Panel_MyInfo: ["내 정보", "My info"],
   B01_Dashboard_SaveProfile: ["기본정보 저장", "Save profile"],
   B01_Dashboard_Table_Project: ["프로젝트명", "Project"],
   B01_Dashboard_Table_Region: ["지역", "Region"],