diff --git a/memhub/apps/core/src/one_memory/api.py b/memhub/apps/core/src/one_memory/api.py
index 10fc977..412d8df 100644
--- a/memhub/apps/core/src/one_memory/api.py
+++ b/memhub/apps/core/src/one_memory/api.py
@@ -21,7 +21,7 @@ from datetime import UTC, datetime, timedelta
 from functools import partial
 from pathlib import Path
 from typing import Any, Literal, cast
-from uuid import UUID, uuid4
+from uuid import UUID
 
 from fastapi import (
     Depends,
@@ -653,7 +653,7 @@ class SdkRawPage(BaseModel):
 
 
 class SdkRawGraphItem(BaseModel):
-    """Small, non-authoritative projection used to draw the complete raw map."""
+    """Small, non-authoritative projection used to draw the bounded raw map."""
 
     model_config = ConfigDict(frozen=True, extra="forbid")
 
@@ -667,7 +667,7 @@ class SdkRawGraphItem(BaseModel):
 
 
 class SdkRawGraphPage(BaseModel):
-    """One page from a complete, bounded-memory raw-turn catalog."""
+    """One bounded page from the raw-turn catalog."""
 
     model_config = ConfigDict(extra="forbid")
 
@@ -675,9 +675,8 @@ class SdkRawGraphPage(BaseModel):
     items: tuple[SdkRawGraphItem, ...] = ()
     total: int = Field(ge=0)
     offset: int = Field(ge=0)
-    limit: int = Field(ge=1, le=500)
+    limit: int = Field(ge=1, le=300)
     has_more: bool = False
-    snapshot_id: str = Field(min_length=1, max_length=64)
 
 
 class SdkLayerCounts(BaseModel):
@@ -4570,55 +4569,6 @@ def create_app(
         ],
     ] = {}
     raw_turn_cache_locks: dict[tuple[object, ...], asyncio.Lock] = {}
-    raw_graph_cache: dict[
-        tuple[object, ...],
-        tuple[
-            float,
-            int,
-            tuple[tuple[str, str | None], ...],
-            tuple[SdkRawGraphItem, ...],
-            int,
-        ],
-    ] = {}
-    raw_graph_cache_locks: dict[tuple[object, ...], asyncio.Lock] = {}
-    raw_graph_snapshots: dict[
-        str,
-        tuple[float, tuple[object, ...], tuple[SdkRawGraphItem, ...], int],
-    ] = {}
-    raw_graph_cache_ttl = 300.0
-    raw_graph_snapshot_ttl = 120.0
-    raw_graph_cache_budget = 8 * 1024 * 1024
-
-    def graph_cache_size(items: Iterable[SdkRawGraphItem]) -> int:
-        return sum(
-            128
-            + len(item.turn_id.encode())
-            + len(item.raw_id.encode())
-            + len(item.label.encode())
-            + len(item.source.encode())
-            + len(item.session_id.encode())
-            for item in items
-        )
-
-    def prune_raw_graph_state() -> None:
-        now = time.monotonic()
-        for key, cached in tuple(raw_graph_cache.items()):
-            if now - cached[0] > raw_graph_cache_ttl:
-                raw_graph_cache.pop(key, None)
-        for snapshot_id, snapshot in tuple(raw_graph_snapshots.items()):
-            if now - snapshot[0] > raw_graph_snapshot_ttl:
-                raw_graph_snapshots.pop(snapshot_id, None)
-        while raw_graph_cache and (
-            len(raw_graph_cache) > 8
-            or sum(cached[4] for cached in raw_graph_cache.values()) > raw_graph_cache_budget
-        ):
-            raw_graph_cache.pop(next(iter(raw_graph_cache)))
-        while raw_graph_snapshots and (
-            len(raw_graph_snapshots) > 8
-            or sum(snapshot[3] for snapshot in raw_graph_snapshots.values())
-            > raw_graph_cache_budget
-        ):
-            raw_graph_snapshots.pop(next(iter(raw_graph_snapshots)))
 
     def graph_items(
         records: Iterable[HySdkRawRecord],
@@ -4640,95 +4590,6 @@ def create_app(
                 )
         return tuple(items)
 
-    async def raw_graph_catalog(
-        client: object,
-        *,
-        query: dict[str, object],
-        cache_key: tuple[object, ...],
-    ) -> tuple[SdkRawGraphItem, ...]:
-        """Build a complete raw-turn map without retaining raw bodies.
-
-        The SDK remains the sole raw authority. This cache contains only stable
-        ids and short labels and can be dropped at any time. A verified first
-        page makes one catalog snapshot atomic from the reader's perspective.
-        """
-        prune_raw_graph_state()
-        if len(raw_graph_cache_locks) > 16:
-            for stale_key, stale_lock in tuple(raw_graph_cache_locks.items()):
-                if stale_key not in raw_graph_cache and not stale_lock.locked():
-                    raw_graph_cache_locks.pop(stale_key, None)
-        lock = raw_graph_cache_locks.setdefault(cache_key, asyncio.Lock())
-        async with lock:
-            for _attempt in range(3):
-                value = await asyncio.to_thread(
-                    client.list_memories,
-                    **query,
-                    offset=0,
-                    limit=500,
-                )
-                first_page = HySdkRawPage.from_memory_list(value, limit=500, offset=0)
-                signature = tuple((record.raw_id, record.status) for record in first_page.raw)
-                cached = raw_graph_cache.get(cache_key)
-                if cached is not None and cached[1] == first_page.total and cached[2] == signature:
-                    return cached[3]
-                added = (
-                    None
-                    if cached is None
-                    else raw_prefix_added(
-                        cached[2],
-                        signature,
-                        cached[1],
-                        first_page.total,
-                    )
-                )
-                if cached is not None and added is not None:
-                    items = graph_items(first_page.raw[:added]) + cached[3]
-                else:
-                    items = graph_items(first_page.raw)
-                    raw_offset = len(first_page.raw)
-                    snapshot_changed = False
-                    while first_page.raw and raw_offset < first_page.total:
-                        value = await asyncio.to_thread(
-                            client.list_memories,
-                            **query,
-                            offset=raw_offset,
-                            limit=500,
-                        )
-                        page = HySdkRawPage.from_memory_list(value, limit=500, offset=raw_offset)
-                        if (
-                            page.total != first_page.total
-                            or not page.raw
-                            or raw_offset + len(page.raw) > first_page.total
-                        ):
-                            snapshot_changed = True
-                            break
-                        items += graph_items(page.raw)
-                        raw_offset += len(page.raw)
-                    if snapshot_changed or raw_offset != first_page.total:
-                        continue
-
-                verify_value = await asyncio.to_thread(
-                    client.list_memories,
-                    **query,
-                    offset=0,
-                    limit=500,
-                )
-                verify = HySdkRawPage.from_memory_list(verify_value, limit=500, offset=0)
-                verify_signature = tuple((record.raw_id, record.status) for record in verify.raw)
-                if verify.total != first_page.total or verify_signature != signature:
-                    continue
-                raw_graph_cache.pop(cache_key, None)
-                raw_graph_cache[cache_key] = (
-                    time.monotonic(),
-                    first_page.total,
-                    signature,
-                    items,
-                    graph_cache_size(items),
-                )
-                prune_raw_graph_state()
-                return items
-        raise RuntimeError("hy_memory_raw_snapshot_busy")
-
     @app.get(
         "/api/v2/raw",
         response_model=SdkRawPage,
@@ -5122,14 +4983,13 @@ def create_app(
     async def sdk_raw_graph(
         source: list[str] | None = Query(default=None),  # noqa: B008
         offset: int = Query(default=0, ge=0),
-        limit: int = Query(default=500, ge=1, le=500),
-        snapshot_id: str | None = Query(default=None, max_length=64),
+        limit: int = Query(default=300, ge=1, le=300),
         user_id: str = Query(default=DEFAULT_USER_ID, pattern=USER_ID_PATTERN),
         exclude_sources: list[str] | None = Query(default=None),  # noqa: B008
         session_id: list[str] | None = Query(default=None),  # noqa: B008
         statuses: list[str] | None = Query(default=None),  # noqa: B008
     ) -> SdkRawGraphPage:
-        """Complete lightweight raw graph, independent of list pagination."""
+        """Bounded lightweight raw graph, independent of list pagination."""
         chosen_statuses = (
             _library_values(
                 statuses or [],
@@ -5141,85 +5001,49 @@ def create_app(
         sources = split_csv(source)
         excluded = split_csv(exclude_sources)
         sessions = split_csv(session_id)
-        snapshot_scope: tuple[object, ...] = (
-            user_id,
-            tuple(sorted(chosen_statuses)),
-            tuple(sorted(sources)),
-            tuple(sorted(excluded)),
-            tuple(sorted(sessions)),
-        )
-        if offset and snapshot_id is None:
+        if offset:
             raise HTTPException(
                 status_code=422,
-                detail="raw_graph_snapshot_required",
+                detail="raw_graph_is_single_page",
             )
-        prune_raw_graph_state()
-        if snapshot_id is not None:
-            snapshot = raw_graph_snapshots.get(snapshot_id)
-            if snapshot is None or snapshot[1] != snapshot_scope:
-                raise HTTPException(
-                    status_code=409,
-                    detail="raw_graph_snapshot_stale",
-                )
-            items = snapshot[2]
-        else:
-            query: dict[str, object] = {
-                "user_id": user_id,
-                **raw_list_filters(chosen_statuses),
-                "order": "desc",
-            }
-            cache_key: tuple[object, ...] = (
-                user_id,
-                tuple(sorted(chosen_statuses)),
+        query: dict[str, object] = {
+            "user_id": user_id,
+            **raw_list_filters(chosen_statuses),
+            "include_sources": sources or None,
+            "exclude_sources": excluded or None,
+            "session_ids": sessions or None,
+            "order": "desc",
+        }
+        try:
+            client = await _sdk_client_handle(app).client()
+            value = await asyncio.to_thread(
+                client.list_memories,
+                **query,
+                offset=0,
+                limit=limit,
             )
-            try:
-                client = await _sdk_client_handle(app).client()
-                catalog = await raw_graph_catalog(
-                    client,
-                    query=query,
-                    cache_key=cache_key,
-                )
-            except HTTPException:
-                raise
-            except Exception as error:
-                raise _sdk_http_error(
-                    error,
-                    "hy_memory_raw_graph_failed",
-                ) from None
-            source_set = set(sources)
-            excluded_set = set(excluded)
-            session_set = set(sessions)
-            items = tuple(
-                item
-                for item in catalog
-                if (not source_set or item.source in source_set)
-                and item.source not in excluded_set
-                and (not session_set or item.session_id in session_set)
+            page = HySdkRawPage.from_memory_list(
+                value,
+                limit=limit,
+                offset=0,
             )
-            snapshot_id = uuid4().hex
-            raw_graph_snapshots[snapshot_id] = (
-                time.monotonic(),
-                snapshot_scope,
-                items,
-                graph_cache_size(items),
-            )
-            prune_raw_graph_state()
-            if snapshot_id not in raw_graph_snapshots:
-                raise HTTPException(
-                    status_code=413,
-                    detail="raw_graph_snapshot_too_large",
-                )
-        if snapshot_id is None:
-            raise RuntimeError("raw_graph_snapshot_missing")
-        selected = items[offset : offset + limit]
+        except HTTPException:
+            raise
+        except Exception as error:
+            raise _sdk_http_error(
+                error,
+                "hy_memory_raw_graph_failed",
+            ) from None
+        projected = graph_items(page.raw)
+        selected = projected[:limit]
+        total = max(page.total, len(projected))
         return SdkRawGraphPage(
             user_id=user_id,
             items=selected,
-            total=len(items),
-            offset=offset,
+            total=total,
+            offset=0,
             limit=limit,
-            has_more=offset + len(selected) < len(items),
-            snapshot_id=snapshot_id,
+            has_more=page.total > len(page.raw) or len(projected) > limit,
         )
 
     @app.post(
diff --git a/memhub/apps/core/tests/test_sdk_api_surface.py b/memhub/apps/core/tests/test_sdk_api_surface.py
index 2377284..44e50cb 100644
--- a/memhub/apps/core/tests/test_sdk_api_surface.py
+++ b/memhub/apps/core/tests/test_sdk_api_surface.py
@@ -743,8 +743,10 @@ def test_raw_lists_active_and_shadow_turns_with_roles_and_hashes(tmp_path, monke
             assert cursor_page["has_more"] is True
         assert cursor_turns == ["我喜欢绿茶", "我叫费天翔", "你好"]
         assert len(sdk.all("list_memories")) == cursor_calls + 3
+        graph_calls = len(sdk.all("list_memories"))
         graph = await client.get("/api/v2/raw/graph", params={"limit": 2})
         assert graph.status_code == 200, graph.text
+        assert len(sdk.all("list_memories")) == graph_calls + 1
         graph_body = graph.json()
         assert graph_body["total"] == 3
         assert graph_body["has_more"] is True
@@ -752,35 +754,13 @@ def test_raw_lists_active_and_shadow_turns_with_roles_and_hashes(tmp_path, monke
             "[user]: 我喜欢绿茶 [assistant]: 也记住了。",
             "[user]: 我叫费天翔 [assistant]: 好的，记住了。",
         ]
-        graph_page_2 = (
-            await client.get(
-                "/api/v2/raw/graph",
-                params={
-                    "limit": 2,
-                    "offset": 2,
-                    "snapshot_id": graph_body["snapshot_id"],
-                },
-            )
-        ).json()
-        assert graph_page_2["total"] == 3
-        assert graph_page_2["has_more"] is False
-        assert graph_page_2["items"][0]["turn_id"]
+        assert (await client.get("/api/v2/raw/graph", params={"limit": 301})).status_code == 422
         assert (
             await client.get(
                 "/api/v2/raw/graph",
                 params={"limit": 2, "offset": 2},
             )
         ).status_code == 422
-        assert (
-            await client.get(
-                "/api/v2/raw/graph",
-                params={
-                    "limit": 2,
-                    "offset": 2,
-                    "snapshot_id": "missing",
-                },
-            )
-        ).status_code == 409
         inserted = {
             "memory_id": "raw-new",
             "content": "[user]: 新消息",
@@ -792,18 +772,6 @@ def test_raw_lists_active_and_shadow_turns_with_roles_and_hashes(tmp_path, monke
         }
         RAW_ROWS["local"].insert(0, inserted)
         try:
-            stable_graph_page = (
-                await client.get(
-                    "/api/v2/raw/graph",
-                    params={
-                        "limit": 2,
-                        "offset": 2,
-                        "snapshot_id": graph_body["snapshot_id"],
-                    },
-                )
-            ).json()
-            assert stable_graph_page["total"] == 3
-            assert stable_graph_page["items"][0]["label"] == "[user]: 你好"
             updated_graph = (await client.get("/api/v2/raw/graph")).json()
             assert updated_graph["total"] == 4
             assert updated_graph["items"][0]["label"] == "[user]: 新消息"
diff --git a/memhub/apps/web/src/MemoryMap.test.tsx b/memhub/apps/web/src/MemoryMap.test.tsx
index 06964c9..b894421 100644
--- a/memhub/apps/web/src/MemoryMap.test.tsx
+++ b/memhub/apps/web/src/MemoryMap.test.tsx
@@ -62,30 +62,6 @@ vi.mock("./MemoryGraph3D", () => ({
     </div>
   ),
 }));
-vi.mock("./RawConversationGraph3D", () => ({
-  RawConversationGraph3D: ({
-    graph,
-    selectedNodeId,
-    onSelectNode,
-  }: {
-    graph: MemoryGraphResponse;
-    selectedNodeId: string | null;
-    onSelectNode(node: MemoryGraphNode): void;
-  }) => (
-    <div data-testid="canvas" data-selected={selectedNodeId}>
-      {graph.nodes.map((node) => (
-        <button
-          key={node.node_id}
-          type="button"
-          aria-label={`图中选择 ${node.label}`}
-          onClick={() => onSelectNode(node)}
-        >
-          {node.label}
-        </button>
-      ))}
-    </div>
-  ),
-}));
 afterEach(() => {
   cleanup();
   vi.resetAllMocks();
diff --git a/memhub/apps/web/src/MemoryMap.tsx b/memhub/apps/web/src/MemoryMap.tsx
index 24be00d..f570e6c 100644
--- a/memhub/apps/web/src/MemoryMap.tsx
+++ b/memhub/apps/web/src/MemoryMap.tsx
@@ -52,7 +52,6 @@ import {
 } from "./memory-map-model";
 import { OptionMenu } from "./OptionMenu";
 import { R6Button } from "./R6Controls";
-import { RawConversationGraph3D } from "./RawConversationGraph3D";
 import { SelectedMemoryDetail } from "./SelectedMemoryDetail";
 import { SelectedRawDetail } from "./SelectedRawDetail";
 import { sourceNameOr } from "./source-label";
@@ -108,8 +107,6 @@ type Props = {
     /** The graph for the current source/query scope has not arrived yet. */
     graphLoading?: boolean;
     graphFailed?: boolean;
-    graphLoaded?: number;
-    graphTotal?: number;
     stale: boolean;
     settledSource?: string;
     settledQuery?: string;
@@ -1327,23 +1324,6 @@ export function MemoryMap(props: Props) {
                   : text("记忆关联")
                 : label}
             </h2>
-            {props.simplified && raw && library?.graphTotal !== undefined ? (
-              <p className="selected-graph-subtitle" role="status">
-                {library.graphLoading
-                  ? `${text("正在读取记忆地图…")} ${new Intl.NumberFormat(
-                      locale,
-                    ).format(
-                      library.graphLoaded ?? 0,
-                    )} / ${new Intl.NumberFormat(locale).format(
-                      library.graphTotal,
-                    )}`
-                  : `${new Intl.NumberFormat(locale).format(
-                      library.graphLoaded ?? 0,
-                    )} / ${new Intl.NumberFormat(locale).format(
-                      library.graphTotal,
-                    )}`}
-              </p>
-            ) : null}
             {props.simplified &&
               (!raw || !projection.nodes.length) &&
               !(raw && library?.graphLoading) && (
@@ -1374,25 +1354,14 @@ export function MemoryMap(props: Props) {
         </header>
         <div className="map-canvas" data-tour-id="memory-map-canvas">
           {projection.nodes.length && (!props.simplified || !hidden) ? (
-            raw ? (
-              <RawConversationGraph3D
-                graph={projection}
-                selectedNodeId={
-                  visibleGroupNode?.node_id ??
-                  (activeId ? `memory:${activeId}` : null)
-                }
-                onSelectNode={pickNode}
-              />
-            ) : (
-              <MemoryGraph3D
-                graph={projection}
-                selectedNodeId={
-                  visibleGroupNode?.node_id ??
-                  (activeId ? `memory:${activeId}` : null)
-                }
-                onSelectNode={pickNode}
-              />
-            )
+            <MemoryGraph3D
+              graph={projection}
+              selectedNodeId={
+                visibleGroupNode?.node_id ??
+                (activeId ? `memory:${activeId}` : null)
+              }
+              onSelectNode={pickNode}
+            />
           ) : (
             <div className="map-empty-stage">
               <Network size={32} strokeWidth={1} />
diff --git a/memhub/apps/web/src/MemorySpace.r6.test.tsx b/memhub/apps/web/src/MemorySpace.r6.test.tsx
index a27affa..42c1675 100644
--- a/memhub/apps/web/src/MemorySpace.r6.test.tsx
+++ b/memhub/apps/web/src/MemorySpace.r6.test.tsx
@@ -129,9 +129,6 @@ vi.mock("./MemoryGraph3D", () => ({
     />
   ),
 }));
-vi.mock("./RawConversationGraph3D", () => ({
-  RawConversationGraph3D: () => <div data-testid="graph-owner" />,
-}));
 afterEach(() => {
   cleanup();
   resetClient();
@@ -323,10 +320,9 @@ function setup() {
       },
     ],
     total: 1,
-    limit: 500,
+    limit: 300,
     offset: 0,
     has_more: false,
-    snapshot_id: "snapshot-1",
   });
   reads.rawSearch.mockResolvedValue([]);
 }
@@ -431,7 +427,7 @@ it("shows raw conversations instead of advanced memory in lite", async () => {
     expect.objectContaining({
       source: undefined,
       offset: 0,
-      limit: 50,
+      limit: 20,
       signal: expect.any(AbortSignal),
     }),
   );
@@ -441,94 +437,92 @@ it("shows raw conversations instead of advanced memory in lite", async () => {
   expect(document.querySelector(".memory-mode-notice")).toBeNull();
 });
 
-it("loads the complete raw graph independently and reports its exact total", async () => {
+it("loads one bounded raw graph page without claiming an exact turn total", async () => {
   setup();
   reads.processing.mockResolvedValue(modeProcessing("lite"));
-  reads.rawGraph.mockImplementation(async ({ offset = 0 }) => {
-    const total = 1_600;
-    const count = Math.min(500, total - offset);
-    return {
-      user_id: "local",
-      items: Array.from({ length: count }, (_, index) => {
-        const absolute = offset + index;
-        return {
-          turn_id: `turn-${absolute}`,
-          raw_id: `raw-${absolute}`,
-          label: `原始会话 ${absolute}`,
-          source: "cursor",
-          session_id: `session-${absolute}`,
-          memory_at: null,
-          gmt_created: 1_761_000_000,
-        };
-      }),
-      total,
-      limit: 500,
-      offset,
-      has_more: offset + count < total,
-      snapshot_id: "snapshot-1600",
-    };
+  reads.rawGraph.mockResolvedValue({
+    user_id: "local",
+    items: Array.from({ length: 300 }, (_, index) => ({
+      turn_id: `turn-${index}`,
+      raw_id: `raw-${index}`,
+      label: `原始会话 ${index}`,
+      source: "cursor",
+      session_id: `session-${index}`,
+      memory_at: null,
+      gmt_created: 1_761_000_000,
+    })),
+    total: 1_600,
+    limit: 300,
+    offset: 0,
+    has_more: true,
   });
 
   render(<MemorySpace simplified />);
 
-  expect(await screen.findByText("1,600 条原始对话")).toBeTruthy();
-  await waitFor(() => expect(reads.rawGraph).toHaveBeenCalledTimes(4));
-  expect(reads.rawGraph.mock.calls.map(([request]) => request.offset)).toEqual([
-    0, 500, 1_000, 1_500,
-  ]);
-  expect(
-    reads.rawGraph.mock.calls
-      .slice(1)
-      .every(([request]) => request.snapshotId === "snapshot-1600"),
-  ).toBe(true);
-  expect(screen.getByText("1,600 / 1,600")).toBeTruthy();
+  await waitFor(() => expect(reads.rawGraph).toHaveBeenCalledTimes(1));
+  expect(reads.rawGraph).toHaveBeenCalledWith({
+    source: undefined,
+    offset: 0,
+    limit: 300,
+    signal: expect.any(AbortSignal),
+  });
+  expect(screen.getByTestId("graph-owner").dataset.graphNodes).toBe("301");
+  expect(document.querySelector(".memory-loaded-count")?.textContent).not.toBe(
+    "1,600 条原始对话",
+  );
+  expect(screen.queryByText("1,600 / 1,600")).toBeNull();
 });
 
-it("restarts the complete graph when its snapshot expires between pages", async () => {
+it("keeps the last successful Lite graph when a background refresh fails", async () => {
   setup();
   reads.processing.mockResolvedValue(modeProcessing("lite"));
-  const item = {
-    turn_id: "turn-1",
-    raw_id: "raw-1",
-    label: "原始会话",
-    source: "cursor",
-    session_id: "session-1",
-    memory_at: null,
-    gmt_created: 1_761_000_000,
-  };
-  reads.rawGraph
-    .mockResolvedValueOnce({
-      user_id: "local",
-      items: [item],
-      total: 2,
-      limit: 500,
-      offset: 0,
-      has_more: true,
-      snapshot_id: "expired",
-    })
-    .mockRejectedValueOnce(
-      Object.assign(new Error("stale"), {
-        isAxiosError: true,
-        response: { data: { detail: "raw_graph_snapshot_stale" } },
-      }),
-    )
-    .mockResolvedValueOnce({
-      user_id: "local",
-      items: [item],
-      total: 1,
-      limit: 500,
-      offset: 0,
-      has_more: false,
-      snapshot_id: "fresh",
-    });
+  const source = {
+    source_id: "cursor",
+    display_name: "Cursor",
+    authorized: true,
+    imported_messages: 1,
+    imported_conversations: 1,
+  } as SourceResponse;
+  const view = render(<MemorySpace simplified sources={[source]} />);
 
+  await waitFor(() =>
+    expect(screen.getByTestId("graph-owner").dataset.graphNodes).toBe("2"),
+  );
+  reads.rawGraph.mockRejectedValueOnce(new Error("refresh failed"));
+  view.rerender(
+    <MemorySpace
+      simplified
+      sources={[
+        source,
+        {
+          ...source,
+          source_id: "codex",
+          display_name: "Codex",
+        },
+      ]}
+    />,
+  );
+
+  await waitFor(() => expect(reads.rawGraph).toHaveBeenCalledTimes(2));
+  expect(screen.getByTestId("graph-owner").dataset.graphNodes).toBe("2");
+  expect(screen.queryByText("原始对话暂时无法读取。")).toBeNull();
+});
+
+it("does not request the raw graph for a keyword search", async () => {
+  setup();
+  reads.processing.mockResolvedValue(modeProcessing("lite"));
+  reads.rawSearch.mockResolvedValue([]);
+  const user = userEvent.setup();
   render(<MemorySpace simplified />);
 
-  await waitFor(() => expect(reads.rawGraph).toHaveBeenCalledTimes(3));
-  expect(reads.rawGraph.mock.calls[2][0]).toEqual(
-    expect.objectContaining({ offset: 0, snapshotId: undefined }),
+  await waitFor(() => expect(reads.rawGraph).toHaveBeenCalledTimes(1));
+  await user.type(
+    screen.getByRole("textbox", { name: "搜索原始对话" }),
+    "发布计划",
   );
-  expect(screen.getByText("1 / 1")).toBeTruthy();
+  await user.click(screen.getByRole("button", { name: "搜索" }));
+  await waitFor(() => expect(reads.rawSearch).toHaveBeenCalledTimes(1));
+  expect(reads.rawGraph).toHaveBeenCalledTimes(1);
 });
 
 it("pages and filters the raw conversation data plane in lite", async () => {
@@ -589,7 +583,7 @@ it("pages and filters the raw conversation data plane in lite", async () => {
       source: undefined,
       cursor: "turn:1:0:1",
       paging: "cursor",
-      limit: 50,
+      limit: 20,
     }),
   );
 
@@ -601,7 +595,7 @@ it("pages and filters the raw conversation data plane in lite", async () => {
       source: "cursor",
       cursor: null,
       paging: "cursor",
-      limit: 50,
+      limit: 20,
     }),
   );
 
@@ -614,7 +608,7 @@ it("pages and filters the raw conversation data plane in lite", async () => {
     expect.objectContaining({
       source: "one-memory-manual",
       offset: 0,
-      limit: 50,
+      limit: 20,
       paging: "cursor",
       cursor: null,
     }),
@@ -837,10 +831,9 @@ it("opens a search hit with the complete role transcript", async () => {
     user_id: "local",
     items: [],
     total: 1_600,
-    limit: 500,
+    limit: 300,
     offset: 0,
     has_more: false,
-    snapshot_id: "search-total",
   });
   const user = userEvent.setup();
   render(<MemorySpace simplified />);
diff --git a/memhub/apps/web/src/MemorySpace.tsx b/memhub/apps/web/src/MemorySpace.tsx
index 799cf23..a0ea198 100644
--- a/memhub/apps/web/src/MemorySpace.tsx
+++ b/memhub/apps/web/src/MemorySpace.tsx
@@ -9,7 +9,6 @@ import type {
   MemoryLibraryPage,
   MemoryProcessingSummary,
   SdkAskMemory,
-  SdkRawGraphItem,
   SourceResponse,
 } from "@one-memory/contracts";
 import { isMessageKey } from "@one-memory/i18n";
@@ -201,11 +200,6 @@ export function MemorySpace({
     status: "ready" | "failed";
     value: MemoryGraphResponse | null;
   } | null>(null);
-  const [sdkGraphProgress, setSdkGraphProgress] = useState<{
-    scope: string;
-    loaded: number;
-    total: number | null;
-  } | null>(null);
   // Bumping this re-reads the page and graph after an edit or a delete.
   const [sdkMapRevision, setSdkMapRevision] = useState(0);
   const bumpSdkMap = useCallback(() => setSdkMapRevision((v) => v + 1), []);
@@ -269,16 +263,11 @@ export function MemorySpace({
   ]);
   const sdkGraphSettled = sdkGraph?.scope === sdkGraphRequestedScope;
   const visibleSdkGraph =
-    sdkGraph?.scope === sdkGraphRequestedScope &&
-    (sdkGraph.status === "ready" || evolveRunning)
-      ? sdkGraph.value
-      : null;
+    sdkGraph?.scope === sdkGraphRequestedScope ? sdkGraph.value : null;
   const sdkGraphFailed =
-    sdkGraph?.scope === sdkGraphRequestedScope && sdkGraph.status === "failed";
-  const visibleGraphProgress =
-    sdkGraphProgress?.scope === sdkGraphRequestedScope
-      ? sdkGraphProgress
-      : null;
+    sdkGraph?.scope === sdkGraphRequestedScope &&
+    sdkGraph.status === "failed" &&
+    sdkGraph.value === null;
   // A keyword search pages through one server-side result window. The id is
   // kept for the query and source it was searched with; a new query or
   // source starts without one, so the server searches afresh.
@@ -456,8 +445,6 @@ export function MemorySpace({
     const request = new AbortController();
     let cancelled = false;
     let reading = false;
-    rawGraphRecords.current.clear();
-    setSdkGraphProgress({ scope, loaded: 0, total: null });
     const readGraph = async () => {
       if (reading) return;
       reading = true;
@@ -469,58 +456,25 @@ export function MemorySpace({
           );
           if (cancelled) return;
           setSdkGraph({ scope, status: "ready", value });
-          setSdkGraphProgress({
-            scope,
-            loaded: value.projected_memories,
-            total: value.total_memories,
-          });
           return;
         }
-
-        for (let attempt = 0; attempt < 2; attempt += 1) {
-          const items: SdkRawGraphItem[] = [];
-          let offset = 0;
-          let total = 0;
-          let snapshotId: string | undefined;
-          rawGraphRecords.current.clear();
-          try {
-            while (!cancelled) {
-              const page = await getSdkRawGraph({
-                source,
-                offset,
-                limit: 500,
-                snapshotId,
-                signal: request.signal,
-              });
-              if (cancelled) return;
-              snapshotId = page.snapshot_id;
-              total = page.total;
-              items.push(...page.items);
-              for (const item of page.items) {
-                const record = rawGraphRecord(item);
-                rawGraphRecords.current.set(rawRecordId(record), record);
-              }
-              setSdkGraphProgress({ scope, loaded: items.length, total });
-              if (!page.has_more || page.items.length === 0) break;
-              offset += page.items.length;
-              await new Promise<void>((resolve) => setTimeout(resolve, 0));
-            }
-          } catch (reason) {
-            if (
-              attempt === 0 &&
-              apiErrorCode(reason) === "raw_graph_snapshot_stale"
-            )
-              continue;
-            throw reason;
-          }
-          if (cancelled) return;
-          setSdkGraph({
-            scope,
-            status: "ready",
-            value: rawGraphProjection(items, total, sourcesRef.current),
-          });
-          break;
+        const page = await getSdkRawGraph({
+          source,
+          offset: 0,
+          limit: 300,
+          signal: request.signal,
+        });
+        if (cancelled) return;
+        rawGraphRecords.current.clear();
+        for (const item of page.items) {
+          const record = rawGraphRecord(item);
+          rawGraphRecords.current.set(rawRecordId(record), record);
         }
+        setSdkGraph({
+          scope,
+          status: "ready",
+          value: rawGraphProjection(page.items, page.total, sourcesRef.current),
+        });
       } catch {
         if (cancelled || request.signal.aborted) return;
         setSdkGraph((current) => ({
@@ -547,17 +501,7 @@ export function MemorySpace({
     sdkMapVisible,
     sourceKey,
   ]);
-  const displayedSdkPage =
-    lite &&
-    !sdkLibraryQuery.trim() &&
-    sdkPage &&
-    visibleGraphProgress?.total != null
-      ? {
-          ...sdkPage,
-          total: visibleGraphProgress.total,
-          total_exact: true,
-        }
-      : sdkPage;
+  const displayedSdkPage = sdkPage;
   const sdkFilterLabel = [
     sdkLibrary.settledSource
       ? `${t("memory:来源")} ${
@@ -1397,8 +1341,6 @@ export function MemorySpace({
                 failed: sdkLibrary.failed && !evolveRunning,
                 graphLoading: !sdkGraphSettled,
                 graphFailed: sdkGraphFailed && !evolveRunning,
-                graphLoaded: visibleGraphProgress?.loaded,
-                graphTotal: visibleGraphProgress?.total ?? undefined,
                 stale: false,
                 settledSource: sdkLibrary.settledSource,
                 settledQuery: sdkLibrary.settledQuery,
diff --git a/memhub/apps/web/src/RawConversationGraph3D.test.ts b/memhub/apps/web/src/RawConversationGraph3D.test.ts
deleted file mode 100644
index 9d399fc..0000000
--- a/memhub/apps/web/src/RawConversationGraph3D.test.ts
+++ /dev/null
@@ -1,80 +0,0 @@
-import type {
-  MemoryGraphEdge,
-  MemoryGraphNode,
-  MemoryGraphResponse,
-} from "@one-memory/contracts";
-import { describe, expect, it } from "vitest";
-import { createRawClusterLayout } from "./RawConversationGraph3D";
-
-function makeRawGraph(count: number, sourceCount = 4): MemoryGraphResponse {
-  const sources: MemoryGraphNode[] = Array.from(
-    { length: sourceCount },
-    (_, index) => ({
-      node_id: `source:s-${index}`,
-      node_type: "source",
-      memory_id: null,
-      source_id: `s-${index}`,
-      label: `Source ${index}`,
-      kind: null,
-      status: null,
-      confidence: null,
-    }),
-  );
-  const memories: MemoryGraphNode[] = Array.from(
-    { length: count },
-    (_, index) => ({
-      node_id: `memory:m-${index}`,
-      node_type: "memory",
-      memory_id: `m-${index}`,
-      source_id: null,
-      label: `Turn ${index}`,
-      kind: "chat",
-      status: "confirmed",
-      confidence: null,
-    }),
-  );
-  const edges: MemoryGraphEdge[] = memories.map((memory, index) => ({
-    edge_id: `edge-${index}`,
-    source_node_id: sources[index % sourceCount].node_id,
-    target_node_id: memory.node_id,
-    relation: "evidence_source",
-    origin: "provenance",
-    weight: null,
-  }));
-  return {
-    total_memories: count,
-    projected_memories: count,
-    hy_graph_available: false,
-    nodes: [...sources, ...memories],
-    edges,
-  };
-}
-
-describe("createRawClusterLayout", () => {
-  it.each([1_600, 5_000])(
-    "positions every node in bounded linear time at %i turns",
-    (count) => {
-      const graph = makeRawGraph(count);
-      const started = performance.now();
-      const positions = createRawClusterLayout(graph);
-      const elapsed = performance.now() - started;
-
-      expect(positions.size).toBe(graph.nodes.length);
-      expect(elapsed).toBeLessThan(1_000);
-      for (const position of positions.values()) {
-        expect(Number.isFinite(position.x)).toBe(true);
-        expect(Number.isFinite(position.y)).toBe(true);
-        expect(Number.isFinite(position.z)).toBe(true);
-      }
-    },
-  );
-
-  it("is deterministic", () => {
-    const graph = makeRawGraph(80);
-    const first = createRawClusterLayout(graph);
-    const second = createRawClusterLayout(graph);
-    expect([...first].map(([id, value]) => [id, value.toArray()])).toEqual(
-      [...second].map(([id, value]) => [id, value.toArray()]),
-    );
-  });
-});
diff --git a/memhub/apps/web/src/RawConversationGraph3D.tsx b/memhub/apps/web/src/RawConversationGraph3D.tsx
deleted file mode 100644
index 1359f4b..0000000
--- a/memhub/apps/web/src/RawConversationGraph3D.tsx
+++ /dev/null
@@ -1,421 +0,0 @@
-import type {
-  MemoryGraphNode,
-  MemoryGraphResponse,
-} from "@one-memory/contracts";
-import { Focus, Minus, Plus } from "lucide-react";
-import { useEffect, useMemo, useRef, useState } from "react";
-import * as THREE from "three";
-import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js";
-import { useMemoryLanguage } from "./memory-language";
-
-const GRAPH_CANVAS = 0xedf1f5;
-const MEMORY_COLOR = new THREE.Color(0x4e6478);
-const SELECTED_COLOR = new THREE.Color(0x294355);
-
-/** O(n) deterministic source clusters for the complete lite raw map. */
-export function createRawClusterLayout(
-  graph: MemoryGraphResponse,
-): Map<string, THREE.Vector3> {
-  const positions = new Map<string, THREE.Vector3>();
-  const sources = graph.nodes.filter((node) => node.node_type === "source");
-  const sourceIds = new Set(sources.map((node) => node.node_id));
-  const sourceByMemory = new Map<string, string>();
-  for (const edge of graph.edges) {
-    const sourceId = sourceIds.has(edge.source_node_id)
-      ? edge.source_node_id
-      : sourceIds.has(edge.target_node_id)
-        ? edge.target_node_id
-        : null;
-    if (!sourceId) continue;
-    const memoryId =
-      edge.source_node_id === sourceId
-        ? edge.target_node_id
-        : edge.source_node_id;
-    sourceByMemory.set(memoryId, sourceId);
-  }
-  const fallbackSource = sources[0]?.node_id ?? "source:unknown";
-  const groups = new Map<string, MemoryGraphNode[]>();
-  for (const node of graph.nodes) {
-    if (node.node_type !== "memory") continue;
-    const sourceId = sourceByMemory.get(node.node_id) ?? fallbackSource;
-    const group = groups.get(sourceId) ?? [];
-    group.push(node);
-    groups.set(sourceId, group);
-  }
-  const clusterRing = Math.max(3.5, sources.length * 1.2);
-  sources.forEach((source, sourceIndex) => {
-    const angle = (sourceIndex / Math.max(1, sources.length)) * Math.PI * 2;
-    const center = new THREE.Vector3(
-      Math.cos(angle) * clusterRing,
-      ((sourceIndex % 3) - 1) * 1.4,
-      Math.sin(angle) * clusterRing,
-    );
-    positions.set(source.node_id, center);
-    const memories = groups.get(source.node_id) ?? [];
-    memories.forEach((memory, index) => {
-      const direction = seededDirection(memory.node_id);
-      const radius = 0.9 + Math.cbrt(index + 1) * 0.42;
-      positions.set(
-        memory.node_id,
-        center.clone().addScaledVector(direction, radius),
-      );
-    });
-  });
-  return positions;
-}
-
-export function RawConversationGraph3D({
-  graph,
-  selectedNodeId,
-  onSelectNode,
-}: {
-  graph: MemoryGraphResponse;
-  selectedNodeId: string | null;
-  onSelectNode(node: MemoryGraphNode): void;
-}) {
-  const { text } = useMemoryLanguage();
-  const host = useRef<HTMLDivElement>(null);
-  const selectRef = useRef(onSelectNode);
-  const selectedRef = useRef(selectedNodeId);
-  const graphRef = useRef(graph);
-  const applySelection = useRef<(() => void) | null>(null);
-  const actions = useRef<{
-    zoom(scale: number): void;
-    reset(): void;
-  } | null>(null);
-  const [available, setAvailable] = useState(true);
-  const [hovered, setHovered] = useState<{
-    label: string;
-    x: number;
-    y: number;
-  } | null>(null);
-  selectRef.current = onSelectNode;
-  graphRef.current = graph;
-  const identity = useMemo(
-    () =>
-      `${graph.nodes
-        .map((node) => `${node.node_id}\0${node.label}`)
-        .join("\n")}\n${graph.edges
-        .map(
-          (edge) =>
-            `${edge.edge_id}\0${edge.source_node_id}\0${edge.target_node_id}`,
-        )
-        .join("\n")}`,
-    [graph],
-  );
-
-  useEffect(() => {
-    selectedRef.current = selectedNodeId;
-    applySelection.current?.();
-  }, [selectedNodeId]);
-
-  useEffect(() => {
-    void identity;
-    const graph = graphRef.current;
-    const element = host.current;
-    if (!element) return;
-    let renderer: THREE.WebGLRenderer;
-    try {
-      renderer = new THREE.WebGLRenderer({
-        antialias: true,
-        alpha: true,
-        powerPreference: "high-performance",
-      });
-    } catch {
-      setAvailable(false);
-      return;
-    }
-    setAvailable(true);
-    renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
-    renderer.outputColorSpace = THREE.SRGBColorSpace;
-    renderer.setClearColor(0x000000, 0);
-    element.appendChild(renderer.domElement);
-    renderer.domElement.setAttribute("aria-hidden", "true");
-
-    const scene = new THREE.Scene();
-    scene.fog = new THREE.FogExp2(GRAPH_CANVAS, 0.025);
-    scene.add(new THREE.AmbientLight(0xf2f6fa, 1.8));
-    const directional = new THREE.DirectionalLight(0xe3edf5, 2);
-    directional.position.set(8, 10, 12);
-    scene.add(directional);
-    const camera = new THREE.PerspectiveCamera(48, 1, 0.1, 240);
-    const defaultDistance = Math.max(13, Math.sqrt(graph.nodes.length) * 0.55);
-    camera.position.set(0, defaultDistance * 0.25, defaultDistance);
-    const controls = new OrbitControls(camera, renderer.domElement);
-    controls.enableDamping = false;
-    controls.minDistance = 4;
-    controls.maxDistance = 140;
-
-    const positions = createRawClusterLayout(graph);
-    const nodeById = new Map(graph.nodes.map((node) => [node.node_id, node]));
-    const memories = graph.nodes.filter((node) => node.node_type === "memory");
-    const sources = graph.nodes.filter((node) => node.node_type === "source");
-    const memoryGeometry = new THREE.SphereGeometry(0.14, 10, 8);
-    const memoryMaterial = new THREE.MeshStandardMaterial({
-      color: MEMORY_COLOR,
-      roughness: 0.78,
-      metalness: 0.04,
-      vertexColors: true,
-    });
-    const instances = new THREE.InstancedMesh(
-      memoryGeometry,
-      memoryMaterial,
-      Math.max(1, memories.length),
-    );
-    instances.count = memories.length;
-    const matrix = new THREE.Matrix4();
-    memories.forEach((node, index) => {
-      matrix.setPosition(positions.get(node.node_id) ?? new THREE.Vector3());
-      instances.setMatrixAt(index, matrix);
-      instances.setColorAt(index, MEMORY_COLOR);
-    });
-    instances.instanceMatrix.needsUpdate = true;
-    if (instances.instanceColor) instances.instanceColor.needsUpdate = true;
-    scene.add(instances);
-
-    const sourceGeometry = new THREE.SphereGeometry(0.3, 16, 12);
-    const sourceMeshes = sources.map((node) => {
-      const material = new THREE.MeshStandardMaterial({
-        color: 0x2f6b57,
-        roughness: 0.65,
-      });
-      const mesh = new THREE.Mesh(sourceGeometry, material);
-      mesh.position.copy(positions.get(node.node_id) ?? new THREE.Vector3());
-      mesh.userData.nodeId = node.node_id;
-      scene.add(mesh);
-      return mesh;
-    });
-
-    const edgePositions = new Float32Array(graph.edges.length * 6);
-    graph.edges.forEach((edge, index) => {
-      const start = positions.get(edge.source_node_id);
-      const end = positions.get(edge.target_node_id);
-      if (!start || !end) return;
-      edgePositions.set(
-        [start.x, start.y, start.z, end.x, end.y, end.z],
-        index * 6,
-      );
-    });
-    const edgeGeometry = new THREE.BufferGeometry();
-    edgeGeometry.setAttribute(
-      "position",
-      new THREE.BufferAttribute(edgePositions, 3),
-    );
-    const edgeMaterial = new THREE.LineBasicMaterial({
-      color: 0x91a99c,
-      transparent: true,
-      opacity: 0.24,
-    });
-    scene.add(new THREE.LineSegments(edgeGeometry, edgeMaterial));
-
-    const render = () => renderer.render(scene, camera);
-    const reset = () => {
-      camera.position.set(0, defaultDistance * 0.25, defaultDistance);
-      controls.target.set(0, 0, 0);
-      controls.update();
-      render();
-    };
-    actions.current = {
-      zoom(scale) {
-        const offset = camera.position.clone().sub(controls.target);
-        offset.setLength(
-          Math.max(
-            controls.minDistance,
-            Math.min(controls.maxDistance, offset.length() * scale),
-          ),
-        );
-        camera.position.copy(controls.target).add(offset);
-        controls.update();
-        render();
-      },
-      reset,
-    };
-    applySelection.current = () => {
-      memories.forEach((node, index) => {
-        instances.setColorAt(
-          index,
-          node.node_id === selectedRef.current ? SELECTED_COLOR : MEMORY_COLOR,
-        );
-      });
-      if (instances.instanceColor) instances.instanceColor.needsUpdate = true;
-      for (const mesh of sourceMeshes) {
-        const material = mesh.material as THREE.MeshStandardMaterial;
-        material.color.setHex(
-          mesh.userData.nodeId === selectedRef.current ? 0x294355 : 0x2f6b57,
-        );
-      }
-      render();
-    };
-    applySelection.current();
-
-    const resize = () => {
-      const width = Math.max(1, element.clientWidth);
-      const height = Math.max(1, element.clientHeight);
-      renderer.setSize(width, height, false);
-      camera.aspect = width / height;
-      camera.updateProjectionMatrix();
-      render();
-    };
-    const observer = new ResizeObserver(resize);
-    observer.observe(element);
-    controls.addEventListener("change", render);
-    resize();
-
-    const raycaster = new THREE.Raycaster();
-    const pointer = new THREE.Vector2();
-    let lastRaycast = 0;
-    let pressed: { x: number; y: number; id: number; moved: boolean } | null =
-      null;
-    const hit = (event: PointerEvent) => {
-      const bounds = renderer.domElement.getBoundingClientRect();
-      pointer.x = ((event.clientX - bounds.left) / bounds.width) * 2 - 1;
-      pointer.y = -((event.clientY - bounds.top) / bounds.height) * 2 + 1;
-      raycaster.setFromCamera(pointer, camera);
-      const match = raycaster.intersectObjects(
-        [instances, ...sourceMeshes],
-        false,
-      )[0];
-      if (!match) return null;
-      if (match.object === instances && match.instanceId !== undefined)
-        return memories[match.instanceId] ?? null;
-      return nodeById.get(String(match.object.userData.nodeId)) ?? null;
-    };
-    const move = (event: PointerEvent) => {
-      if (pressed)
-        pressed.moved ||=
-          Math.hypot(event.clientX - pressed.x, event.clientY - pressed.y) > 5;
-      const now = performance.now();
-      if (now - lastRaycast < 50 || pressed) return;
-      lastRaycast = now;
-      const node = hit(event);
-      renderer.domElement.style.cursor = node ? "pointer" : "grab";
-      setHovered(
-        node
-          ? {
-              label: node.label,
-              x: event.clientX - element.getBoundingClientRect().left,
-              y: event.clientY - element.getBoundingClientRect().top,
-            }
-          : null,
-      );
-    };
-    const pointerDown = (event: PointerEvent) => {
-      pressed =
-        event.button === 0
-          ? {
-              x: event.clientX,
-              y: event.clientY,
-              id: event.pointerId,
-              moved: false,
-            }
-          : null;
-    };
-    const select = (event: PointerEvent) => {
-      const start = pressed;
-      pressed = null;
-      if (!start || start.id !== event.pointerId || start.moved) return;
-      const node = hit(event);
-      if (node) selectRef.current(node);
-    };
-    const leave = () => {
-      pressed = null;
-      setHovered(null);
-    };
-    renderer.domElement.addEventListener("pointerdown", pointerDown);
-    renderer.domElement.addEventListener("pointermove", move);
-    renderer.domElement.addEventListener("pointerup", select);
-    renderer.domElement.addEventListener("pointerleave", leave);
-
-    return () => {
-      applySelection.current = null;
-      actions.current = null;
-      observer.disconnect();
-      controls.removeEventListener("change", render);
-      controls.dispose();
-      renderer.domElement.removeEventListener("pointerdown", pointerDown);
-      renderer.domElement.removeEventListener("pointermove", move);
-      renderer.domElement.removeEventListener("pointerup", select);
-      renderer.domElement.removeEventListener("pointerleave", leave);
-      memoryGeometry.dispose();
-      memoryMaterial.dispose();
-      sourceGeometry.dispose();
-      for (const mesh of sourceMeshes)
-        (mesh.material as THREE.Material).dispose();
-      edgeGeometry.dispose();
-      edgeMaterial.dispose();
-      renderer.dispose();
-      renderer.domElement.remove();
-    };
-  }, [identity]);
-
-  return (
-    <div className="memory-graph-canvas" ref={host}>
-      {!available ? (
-        <div className="memory-graph-fallback">
-          <p>{text("这台设备打不开 3D 视图，已显示关联列表。")}</p>
-        </div>
-      ) : (
-        <div
-          className="memory-graph-controls"
-          role="toolbar"
-          aria-label={text("图谱工具")}
-        >
-          <button
-            type="button"
-            className="secondary"
-            aria-label={text("放大图谱")}
-            onClick={() => actions.current?.zoom(0.8)}
-          >
-            <Plus size={16} />
-          </button>
-          <button
-            type="button"
-            className="secondary"
-            aria-label={text("缩小图谱")}
-            onClick={() => actions.current?.zoom(1.25)}
-          >
-            <Minus size={16} />
-          </button>
-          <button
-            type="button"
-            className="secondary"
-            aria-label={text("重置图谱视角")}
-            onClick={() => actions.current?.reset()}
-          >
-            <Focus size={16} />
-          </button>
-        </div>
-      )}
-      {hovered ? (
-        <div
-          className="memory-graph-tooltip"
-          style={{ left: hovered.x + 12, top: Math.max(0, hovered.y - 40) }}
-        >
-          {hovered.label}
-        </div>
-      ) : null}
-    </div>
-  );
-}
-
-function seededDirection(value: string): THREE.Vector3 {
-  const u = seededUnit(value, 0);
-  const v = seededUnit(value, 1);
-  const theta = u * Math.PI * 2;
-  const z = v * 2 - 1;
-  const radius = Math.sqrt(Math.max(0, 1 - z * z));
-  return new THREE.Vector3(
-    Math.cos(theta) * radius,
-    z,
-    Math.sin(theta) * radius,
-  );
-}
-
-function seededUnit(value: string, salt: number): number {
-  let hash = 2166136261 + salt;
-  for (const character of value) {
-    hash ^= character.charCodeAt(0);
-    hash = Math.imul(hash, 16777619);
-  }
-  return (hash >>> 0) / 4294967295;
-}
diff --git a/memhub/apps/web/src/api.raw.test.ts b/memhub/apps/web/src/api.raw.test.ts
index 1e54da2..de6c44d 100644
--- a/memhub/apps/web/src/api.raw.test.ts
+++ b/memhub/apps/web/src/api.raw.test.ts
@@ -60,34 +60,31 @@ it("keeps the application filter when searching raw conversations", async () =>
   );
 });
 
-it("pages the independent lightweight raw graph", async () => {
+it("requests one Pro-sized raw graph page", async () => {
   get.mockResolvedValue({
     data: {
       user_id: "local",
       items: [],
       total: 1_600,
-      offset: 500,
-      limit: 500,
+      offset: 0,
+      limit: 300,
       has_more: true,
-      snapshot_id: "snapshot-1",
     },
   });
   const signal = new AbortController().signal;
 
   await getSdkRawGraph({
     source: "cursor",
-    offset: 500,
-    limit: 500,
-    snapshotId: "snapshot-1",
+    offset: 0,
+    limit: 300,
     signal,
   });
 
   expect(get).toHaveBeenCalledWith("/api/v2/raw/graph", {
     params: {
       source: "cursor",
-      offset: 500,
-      limit: 500,
-      snapshot_id: "snapshot-1",
+      offset: 0,
+      limit: 300,
     },
     signal,
   });
diff --git a/memhub/apps/web/src/api.ts b/memhub/apps/web/src/api.ts
index da2682e..e5b1470 100644
--- a/memhub/apps/web/src/api.ts
+++ b/memhub/apps/web/src/api.ts
@@ -1019,18 +1019,16 @@ export async function getSdkRaw({
 export async function getSdkRawGraph({
   source,
   offset = 0,
-  limit = 500,
-  snapshotId,
+  limit = 300,
   signal,
 }: {
   source?: string;
   offset?: number;
   limit?: number;
-  snapshotId?: string;
   signal?: AbortSignal;
 } = {}): Promise<SdkRawGraphPage> {
   const response = await client.get<SdkRawGraphPage>("/api/v2/raw/graph", {
-    params: { source, offset, limit, snapshot_id: snapshotId },
+    params: { source, offset, limit },
     signal,
   });
   return response.data;
diff --git a/memhub/apps/web/src/sdk-raw-map.ts b/memhub/apps/web/src/sdk-raw-map.ts
index 0b73494..c2aef25 100644
--- a/memhub/apps/web/src/sdk-raw-map.ts
+++ b/memhub/apps/web/src/sdk-raw-map.ts
@@ -11,7 +11,7 @@ import type {
 } from "@one-memory/contracts";
 
 export type RawMapRecord = SdkRawRecord | SdkRawContextItem;
-export const SDK_RAW_PAGE_SIZE = 50;
+export const SDK_RAW_PAGE_SIZE = 20;
 
 export function rawRecordId(record: RawMapRecord): string {
   return record.turn_id || record.raw_id;
diff --git a/memhub/packages/contracts/src/index.ts b/memhub/packages/contracts/src/index.ts
index 2fd3da3..c336bac 100644
--- a/memhub/packages/contracts/src/index.ts
+++ b/memhub/packages/contracts/src/index.ts
@@ -720,7 +720,7 @@ export interface SdkRawPage {
   time_filtered?: boolean;
 }
 
-/** Lightweight complete-map projection. Raw text remains SDK-owned. */
+/** Lightweight bounded-map projection. Raw text remains SDK-owned. */
 export interface SdkRawGraphItem {
   turn_id: string;
   raw_id: string;
@@ -734,11 +734,12 @@ export interface SdkRawGraphItem {
 export interface SdkRawGraphPage {
   user_id: string;
   items: SdkRawGraphItem[];
+  /** SDK-reported matching raw scope; `items` remains capped by `limit`. */
   total: number;
   limit: number;
   offset: number;
+  /** More matching turns exist, but the product map does not auto-page them. */
   has_more: boolean;
-  snapshot_id: string;
 }
 
 /** `GET /api/v2/memory-library/layers`: memories per SDK layer. */