From 71ddf71ec116ab8d046019c5a7fa3f01771230a3 Mon Sep 17 00:00:00 2001
From: leookun <leokun.cn@gmail.com>
Date: Fri, 28 Aug 2026 10:18:11 +0800
Subject: [PATCH] feat(api): enhance statistics storage management with scope
 options

- Introduced a new type `StatisticsStorageScope` to specify the scope for clearing statistics.
- Updated the `clearStatisticsStorage` API method to accept a scope parameter, allowing for selective clearing of detailed records or all statistics.
- Modified the demo API to handle the new scope parameter appropriately.
- Updated the SettingsPage component to include a selection for clearing scope, enhancing user control over statistics management.
- Added new translations for the updated messages related to statistics clearing in both English and Chinese.
---
 apps/desktop/src/api.ts                      |   4 +-
 apps/desktop/src/demo/api.ts                 |   5 +-
 apps/desktop/src/i18n/generated/catalog.json | 238 ++++++++++++-------
 apps/desktop/src/i18n/locales/en-US.json     |  12 +-
 apps/desktop/src/i18n/locales/zh-CN.json     |  12 +-
 apps/desktop/src/pages/SettingsPage.tsx      |  30 ++-
 server/src/control/service.rs                |   4 +
 server/src/control/settings.rs               |  17 +-
 server/src/cursor/actor.rs                   |  27 ++-
 server/src/cursor/bidi_append.rs             |  66 +++++
 server/src/cursor/sessions.rs                |  51 +++-
 server/src/provider/anthropic.rs             |  21 +-
 server/src/store/storage.rs                  |  88 ++++++-
 server/tests/background_completion.rs        |  40 ++++
 server/tests/provider_stream.rs              |  10 +
 15 files changed, 514 insertions(+), 111 deletions(-)

diff --git a/apps/desktop/src/api.ts b/apps/desktop/src/api.ts
index 7ebaf90..4a04b26 100644
--- a/apps/desktop/src/api.ts
+++ b/apps/desktop/src/api.ts
@@ -116,6 +116,8 @@ export interface StatisticsStorage {
   trace_count: number;
 }
 
+export type StatisticsStorageScope = "details" | "all";
+
 export type ProxyMode = "system" | "custom";
 
 export interface ProxySettings {
@@ -330,7 +332,7 @@ export const api = {
   ports: () => request<PortSettings>("/settings/ports"),
   setPorts: (settings: PortSettings) => request<PortSettings>("/settings/ports", { method: "PUT", body: JSON.stringify(settings) }),
   statisticsStorage: () => request<StatisticsStorage>("/settings/storage/statistics"),
-  clearStatisticsStorage: () => request<StatisticsStorage>("/settings/storage/statistics", { method: "DELETE" }),
+  clearStatisticsStorage: (scope: StatisticsStorageScope) => request<StatisticsStorage>("/settings/storage/statistics", { method: "DELETE", body: JSON.stringify({ scope }) }),
   proxySettings: () => request<ProxySettings>("/settings/proxy"),
   setProxySettings: (settings: ProxySettingsInput) => request<ProxySettings>("/settings/proxy", { method: "PUT", body: JSON.stringify(settings) }),
   tabSettings: () => request<TabSettings>("/settings/tab"),
diff --git a/apps/desktop/src/demo/api.ts b/apps/desktop/src/demo/api.ts
index a797c44..38bf1f3 100644
--- a/apps/desktop/src/demo/api.ts
+++ b/apps/desktop/src/demo/api.ts
@@ -138,7 +138,10 @@ export function installDemoApi() {
     }
     if (path === "/settings/storage/statistics" && method === "GET") return json(storage);
     if (path === "/settings/storage/statistics") {
-      storage = { bytes: 0, call_count: 0, trace_count: 0 };
+      const scope = (body as { scope?: string } | null)?.scope ?? "details";
+      storage = scope === "all"
+        ? { bytes: 0, call_count: 0, trace_count: 0 }
+        : { ...storage, bytes: 0 };
       return json(storage);
     }
     if (path === "/settings/proxy" && method === "GET") return json(proxySettings);
diff --git a/apps/desktop/src/i18n/generated/catalog.json b/apps/desktop/src/i18n/generated/catalog.json
index a278fc2..70899b7 100644
--- a/apps/desktop/src/i18n/generated/catalog.json
+++ b/apps/desktop/src/i18n/generated/catalog.json
@@ -92,7 +92,7 @@
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 180,
+          "line": 185,
           "column": 82
         }
       ]
@@ -169,18 +169,6 @@
         }
       ]
     },
-    "08d742566ffc9fa3": {
-      "source": "确定要清理所有统计数据吗？",
-      "kind": "text",
-      "placeholders": [],
-      "refs": [
-        {
-          "file": "pages/SettingsPage.tsx",
-          "line": 289,
-          "column": 16
-        }
-      ]
-    },
     "092b520558eff5f2": {
       "source": "未测试",
       "kind": "text",
@@ -277,6 +265,18 @@
         }
       ]
     },
+    "0d2dab3d62eb73d6": {
+      "source": "全部统计数据已清理",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 94,
+          "column": 38
+        }
+      ]
+    },
     "0d5e2bdb15579fc4": {
       "source": "消息数",
       "kind": "text",
@@ -301,7 +301,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 272,
+          "line": 277,
           "column": 26
         }
       ]
@@ -574,7 +574,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 276,
+          "line": 281,
           "column": 60
         }
       ]
@@ -600,17 +600,17 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 63,
+          "line": 64,
           "column": 42
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 185,
+          "line": 190,
           "column": 22
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 212,
+          "line": 217,
           "column": 58
         }
       ]
@@ -697,7 +697,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 250,
+          "line": 255,
           "column": 43
         }
       ]
@@ -709,7 +709,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 118,
+          "line": 119,
           "column": 15
         }
       ]
@@ -726,6 +726,18 @@
         }
       ]
     },
+    "23ae7a90b1b9816d": {
+      "source": "清理范围",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 304,
+          "column": 24
+        }
+      ]
+    },
     "23e49479e15e6770": {
       "source": "发现新版本 {version}",
       "kind": "template",
@@ -871,12 +883,12 @@
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 176,
+          "line": 181,
           "column": 81
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 291,
+          "line": 296,
           "column": 22
         }
       ]
@@ -945,7 +957,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 142,
+          "line": 143,
           "column": 15
         }
       ]
@@ -1029,7 +1041,7 @@
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 235,
+          "line": 240,
           "column": 27
         }
       ]
@@ -1095,6 +1107,18 @@
         }
       ]
     },
+    "382f2e3419a02fef": {
+      "source": "仅清理详细记录",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 306,
+          "column": 42
+        }
+      ]
+    },
     "393e1241552b1870": {
       "source": "请求",
       "kind": "text",
@@ -1155,7 +1179,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 283,
+          "line": 288,
           "column": 14
         }
       ]
@@ -1179,7 +1203,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 235,
+          "line": 240,
           "column": 39
         }
       ]
@@ -1229,12 +1253,12 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 242,
+          "line": 247,
           "column": 22
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 248,
+          "line": 253,
           "column": 26
         }
       ]
@@ -1287,6 +1311,18 @@
         }
       ]
     },
+    "40a08e7cf320ae07": {
+      "source": "确定要清理详细记录吗？",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 158,
+          "column": 66
+        }
+      ]
+    },
     "4125fc7ba333524c": {
       "source": "默认亮色",
       "kind": "text",
@@ -1294,7 +1330,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 267,
+          "line": 272,
           "column": 52
         }
       ]
@@ -1647,7 +1683,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 174,
+          "line": 179,
           "column": 26
         }
       ]
@@ -1729,7 +1765,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 228,
+          "line": 233,
           "column": 78
         }
       ]
@@ -1775,7 +1811,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 232,
+          "line": 237,
           "column": 21
         }
       ]
@@ -1835,18 +1871,6 @@
         }
       ]
     },
-    "5cae248525cb9140": {
-      "source": "所有调用记录和详细追踪数据都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。",
-      "kind": "text",
-      "placeholders": [],
-      "refs": [
-        {
-          "file": "pages/SettingsPage.tsx",
-          "line": 298,
-          "column": 14
-        }
-      ]
-    },
     "5d59857bf039cac9": {
       "source": "Cursor 助手 v{version}",
       "kind": "template",
@@ -1856,7 +1880,7 @@
       "refs": [
         {
           "file": "layouts/AppHeader.tsx",
-          "line": 31,
+          "line": 34,
           "column": 18
         }
       ]
@@ -2004,7 +2028,7 @@
       "refs": [
         {
           "file": "api.ts",
-          "line": 315,
+          "line": 317,
           "column": 43
         }
       ]
@@ -2112,6 +2136,18 @@
         }
       ]
     },
+    "68102220092c1f0f": {
+      "source": "详细记录已清理",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 94,
+          "column": 55
+        }
+      ]
+    },
     "68ad603fafe4e0d6": {
       "source": "导入旧版配置",
       "kind": "text",
@@ -2261,7 +2297,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 164,
+          "line": 169,
           "column": 16
         }
       ]
@@ -2273,7 +2309,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 259,
+          "line": 264,
           "column": 26
         }
       ]
@@ -2297,7 +2333,7 @@
       "refs": [
         {
           "file": "api.ts",
-          "line": 310,
+          "line": 312,
           "column": 43
         }
       ]
@@ -2321,7 +2357,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 292,
+          "line": 297,
           "column": 23
         }
       ]
@@ -2364,23 +2400,11 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 136,
+          "line": 137,
           "column": 83
         }
       ]
     },
-    "7e1f06318e80c3af": {
-      "source": "统计数据已清理",
-      "kind": "text",
-      "placeholders": [],
-      "refs": [
-        {
-          "file": "pages/SettingsPage.tsx",
-          "line": 93,
-          "column": 15
-        }
-      ]
-    },
     "7e7df68f2a82e09e": {
       "source": "重复导入相同配置不会创建重复模型；已经存在的模型会自动跳过。",
       "kind": "text",
@@ -2424,7 +2448,7 @@
       "refs": [
         {
           "file": "api.ts",
-          "line": 259,
+          "line": 261,
           "column": 21
         }
       ]
@@ -2596,7 +2620,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 231,
+          "line": 236,
           "column": 22
         }
       ]
@@ -2709,6 +2733,18 @@
         }
       ]
     },
+    "92156a483d4ba248": {
+      "source": "仅删除请求、响应和追踪附件等详细内容，保留调用汇总、统计指标和配置。",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 161,
+          "column": 7
+        }
+      ]
+    },
     "940a168911ade998": {
       "source": "每页条数",
       "kind": "text",
@@ -2851,7 +2887,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 239,
+          "line": 244,
           "column": 26
         }
       ]
@@ -2887,7 +2923,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 56,
+          "line": 57,
           "column": 34
         }
       ]
@@ -2957,7 +2993,7 @@
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 177,
+          "line": 182,
           "column": 133
         }
       ]
@@ -3349,6 +3385,18 @@
         }
       ]
     },
+    "b67e408132f4dbd7": {
+      "source": "确定要清理全部统计数据吗？",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 158,
+          "column": 45
+        }
+      ]
+    },
     "b75a46aad3e7c132": {
       "source": "非缓存输入：{tokens}",
       "kind": "template",
@@ -3370,7 +3418,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 275,
+          "line": 280,
           "column": 22
         }
       ]
@@ -3496,7 +3544,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 267,
+          "line": 272,
           "column": 40
         }
       ]
@@ -3695,12 +3743,12 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 162,
+          "line": 167,
           "column": 22
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 168,
+          "line": 173,
           "column": 20
         }
       ]
@@ -3712,7 +3760,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 199,
+          "line": 204,
           "column": 21
         }
       ]
@@ -3741,6 +3789,18 @@
         }
       ]
     },
+    "d1a3d72618d1ed27": {
+      "source": "所有调用汇总、详细内容和追踪记录都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 160,
+          "column": 7
+        }
+      ]
+    },
     "d2d648bd1c94b7f9": {
       "source": "认证",
       "kind": "text",
@@ -3982,7 +4042,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 306,
+          "line": 316,
           "column": 30
         }
       ]
@@ -4188,7 +4248,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 69,
+          "line": 70,
           "column": 17
         }
       ]
@@ -4258,7 +4318,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 159,
+          "line": 164,
           "column": 26
         }
       ]
@@ -4347,7 +4407,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 218,
+          "line": 223,
           "column": 16
         }
       ]
@@ -4436,7 +4496,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 243,
+          "line": 248,
           "column": 21
         }
       ]
@@ -4510,7 +4570,7 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 186,
+          "line": 191,
           "column": 21
         }
       ]
@@ -4619,6 +4679,18 @@
         }
       ]
     },
+    "fec7210590309465": {
+      "source": "清理全部统计数据",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/SettingsPage.tsx",
+          "line": 307,
+          "column": 38
+        }
+      ]
+    },
     "ff509c9ba052a21c": {
       "source": "保存中…",
       "kind": "text",
@@ -4636,7 +4708,7 @@
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 177,
+          "line": 182,
           "column": 121
         }
       ]
@@ -4660,17 +4732,17 @@
       "refs": [
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 64,
+          "line": 65,
           "column": 46
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 198,
+          "line": 203,
           "column": 22
         },
         {
           "file": "pages/SettingsPage.tsx",
-          "line": 213,
+          "line": 218,
           "column": 58
         }
       ]
diff --git a/apps/desktop/src/i18n/locales/en-US.json b/apps/desktop/src/i18n/locales/en-US.json
index af4c6f1..921a806 100644
--- a/apps/desktop/src/i18n/locales/en-US.json
+++ b/apps/desktop/src/i18n/locales/en-US.json
@@ -10,13 +10,13 @@
   "076832c1b2de22c3": "Cache write: {tokens}",
   "07879e064ae16542": "Estimated output: {tokens}",
   "07c657ed4747126e": "Anthropic extra parameters",
-  "08d742566ffc9fa3": "Clear all statistics?",
   "092b520558eff5f2": "Not tested",
   "099008ea7a42ebd1": "All custom Header values must be strings",
   "09ebc2643631ba25": "Estimated value",
   "0b96da34f6fbdd3b": "Cache read: {tokens} × ${price}/1M = {cost}",
   "0c70665b6eb65f1a": "No",
   "0c72229b7db0e1a9": "Model output",
+  "0d2dab3d62eb73d6": "All statistics cleared",
   "0d5e2bdb15579fc4": "Messages",
   "0e41f8e3d59ec47b": "Storage management",
   "0e67021ebf0a3580": "Import complete: added {imported} models and skipped {skipped} existing models",
@@ -48,6 +48,7 @@
   "217cfe7db1e3d10a": "Use system language",
   "22c6b4eb4caee6ae": "Proxy settings saved",
   "22d7895ea5fca72e": "By provider",
+  "23ae7a90b1b9816d": "Clear scope",
   "23e49479e15e6770": "Version {version} is available",
   "24a0a24864454575": "Existing, skipped",
   "2555d6c7fbb7e070": "Enter a model ID directly or load models returned by the API.",
@@ -71,6 +72,7 @@
   "37125ef2e1d707cb": "Server address or complete request URL, API Key, model name, display name, and note are required",
   "378bb0eec39fa8a2": "Last page",
   "37cb98ff4d5dcfcc": "Successful {successful} / failed {failed}",
+  "382f2e3419a02fef": "Only clear detailed records",
   "393e1241552b1870": "Request",
   "398f8e6c6f0a0b97": "Continue selecting or typing",
   "39f52eee100131d7": "Cached input",
@@ -86,6 +88,7 @@
   "3f6c25aa329163a4": "The original endpoint path is appended to this service address.",
   "3fd118e2ffe0b2b6": "Cancel all tests",
   "3fd47edce45b3603": "Close",
+  "40a08e7cf320ae07": "Clear detailed records?",
   "4125fc7ba333524c": "Default light",
   "42655ed8e4108ae2": "Input (non-cached)",
   "42a1d9e5b037c210": "Bytes",
@@ -124,7 +127,6 @@
   "5b17f59d33bde39e": "Error: {error}",
   "5ba65a74c4e792c5": "By type",
   "5c55a67935af8f45": "All",
-  "5cae248525cb9140": "All call records and detailed traces will be deleted. Model configuration, CA, and application settings are unaffected. This action cannot be undone.",
   "5d59857bf039cac9": "Cursor Assistant v{version}",
   "5f8d556a9c47da3c": "Launch at login disabled",
   "5f9acfb945229062": "Are you sure you no longer want to see this ad?",
@@ -144,6 +146,7 @@
   "65a6318e07ec1e07": "Tools",
   "65cb9a7b4f620b6b": "Prompt {tokens}",
   "680680288a6d2ad2": "Show in Dock",
+  "68102220092c1f0f": "Detailed records cleared",
   "68ad603fafe4e0d6": "Import legacy configuration",
   "68ea5dd4d7af20e6": "System settings",
   "6a9906c79f26c0ba": "Start time",
@@ -163,7 +166,6 @@
   "7cea2f3c46565d29": "OpenAI extra parameters",
   "7d9f043f8f7ab45c": "Version {version} is available in Settings",
   "7e0891860c9e6374": "TAB service address is required",
-  "7e1f06318e80c3af": "Statistics cleared",
   "7e7df68f2a82e09e": "Importing the same configuration again will not create duplicate models. Existing models are skipped automatically.",
   "7f3c8312816fe26a": "Refreshing…",
   "7f68ebad19ba6bcd": "Check for updates",
@@ -188,6 +190,7 @@
   "90800c48a1dd0655": "{label} must be a JSON object",
   "919cb0ce0c8db4e7": "Leave blank to keep the current password",
   "91aaf184cfc17ffd": "Overview",
+  "92156a483d4ba248": "Only request, response, and trace attachments are deleted; call summaries, metrics, and configuration are kept.",
   "940a168911ade998": "Items per page",
   "946b3ffc02f026c0": "Delete this model?",
   "966498853d801a52": "TAB connection",
@@ -231,6 +234,7 @@
   "b502b1d414664337": "Prompt: {tokens}",
   "b5141d3d19e9a048": "Yes",
   "b6725f218ebaef26": "Dock icon shown",
+  "b67e408132f4dbd7": "Clear all statistics?",
   "b75a46aad3e7c132": "Non-cached input: {tokens}",
   "b79354009c614ae9": "Statistics",
   "b86967982067d295": " (estimated)",
@@ -259,6 +263,7 @@
   "cfe085015632e9c8": "The local management service port used by the desktop frontend. Enter 0 to select a random port at startup.",
   "d0bfccc77315d887": "Last month",
   "d1251cd752d4ec25": "Leave blank to use adaptive thinking.",
+  "d1a3d72618d1ed27": "All call summaries, detailed content, and trace records will be deleted. Model configuration, CA, and application settings are unaffected. This action cannot be undone.",
   "d2d648bd1c94b7f9": "Authentication",
   "d34335433395cd3a": "Start Cursor BYOK automatically after signing in.",
   "d3716cc5a2f5a810": "Server address",
@@ -326,6 +331,7 @@
   "fdc4cabc370fa3f7": "No options",
   "fea405f9b01d1416": "Summary",
   "fec45092945f8790": "User guide",
+  "fec7210590309465": "Clear all statistics",
   "ff509c9ba052a21c": "Saving…",
   "ff66b1c7e010bbc2": "Paste the authorization command into the terminal and enter your password, then click the button below",
   "ff673195f05fb056": "Service port"
diff --git a/apps/desktop/src/i18n/locales/zh-CN.json b/apps/desktop/src/i18n/locales/zh-CN.json
index caac4a4..e6e5f1e 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.json
+++ b/apps/desktop/src/i18n/locales/zh-CN.json
@@ -10,13 +10,13 @@
   "076832c1b2de22c3": "缓存写入：{tokens}",
   "07879e064ae16542": "输出推算：{tokens}",
   "07c657ed4747126e": "Anthropic 额外参数",
-  "08d742566ffc9fa3": "确定要清理所有统计数据吗？",
   "092b520558eff5f2": "未测试",
   "099008ea7a42ebd1": "自定义 Headers 的值必须都是字符串",
   "09ebc2643631ba25": "价值估算",
   "0b96da34f6fbdd3b": "缓存读取：{tokens} × ${price}/1M = {cost}",
   "0c70665b6eb65f1a": "否",
   "0c72229b7db0e1a9": "模型输出",
+  "0d2dab3d62eb73d6": "全部统计数据已清理",
   "0d5e2bdb15579fc4": "消息数",
   "0e41f8e3d59ec47b": "存储管理",
   "0e67021ebf0a3580": "导入完成：新增 {imported} 个模型，跳过 {skipped} 个已存在模型",
@@ -48,6 +48,7 @@
   "217cfe7db1e3d10a": "跟随系统",
   "22c6b4eb4caee6ae": "代理设置已保存",
   "22d7895ea5fca72e": "按供应商",
+  "23ae7a90b1b9816d": "清理范围",
   "23e49479e15e6770": "发现新版本 {version}",
   "24a0a24864454575": "已存在，跳过",
   "2555d6c7fbb7e070": "可以直接输入模型标识，也可以读取接口返回的模型列表。",
@@ -71,6 +72,7 @@
   "37125ef2e1d707cb": "服务器地址或完整请求 URL、API Key、模型名称、显示名称和备注不能为空",
   "378bb0eec39fa8a2": "最后一页",
   "37cb98ff4d5dcfcc": "成功 {successful} / 异常 {failed}",
+  "382f2e3419a02fef": "仅清理详细记录",
   "393e1241552b1870": "请求",
   "398f8e6c6f0a0b97": "继续选择或输入",
   "39f52eee100131d7": "缓存输入",
@@ -86,6 +88,7 @@
   "3f6c25aa329163a4": "原接口路径会追加到此服务地址。",
   "3fd118e2ffe0b2b6": "取消全部测试",
   "3fd47edce45b3603": "关闭",
+  "40a08e7cf320ae07": "确定要清理详细记录吗？",
   "4125fc7ba333524c": "默认亮色",
   "42655ed8e4108ae2": "输入（非缓存）",
   "42a1d9e5b037c210": "字节数",
@@ -124,7 +127,6 @@
   "5b17f59d33bde39e": "错误：{error}",
   "5ba65a74c4e792c5": "按类型",
   "5c55a67935af8f45": "全部",
-  "5cae248525cb9140": "所有调用记录和详细追踪数据都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。",
   "5d59857bf039cac9": "Cursor 助手 v{version}",
   "5f8d556a9c47da3c": "已关闭开机启动",
   "5f9acfb945229062": "你确认不想再看到此广告吗？",
@@ -144,6 +146,7 @@
   "65a6318e07ec1e07": "工具数",
   "65cb9a7b4f620b6b": "提示词 {tokens}",
   "680680288a6d2ad2": "在 Dock 栏显示",
+  "68102220092c1f0f": "详细记录已清理",
   "68ad603fafe4e0d6": "导入旧版配置",
   "68ea5dd4d7af20e6": "系统设置",
   "6a9906c79f26c0ba": "开始时间",
@@ -163,7 +166,6 @@
   "7cea2f3c46565d29": "OpenAI 额外参数",
   "7d9f043f8f7ab45c": "发现新版本 {version}，可在设置中安装",
   "7e0891860c9e6374": "TAB 服务地址不能为空",
-  "7e1f06318e80c3af": "统计数据已清理",
   "7e7df68f2a82e09e": "重复导入相同配置不会创建重复模型；已经存在的模型会自动跳过。",
   "7f3c8312816fe26a": "刷新中…",
   "7f68ebad19ba6bcd": "检查更新",
@@ -188,6 +190,7 @@
   "90800c48a1dd0655": "{label} 必须是 JSON 对象",
   "919cb0ce0c8db4e7": "留空表示保留当前密码",
   "91aaf184cfc17ffd": "数据概览",
+  "92156a483d4ba248": "仅删除请求、响应和追踪附件等详细内容，保留调用汇总、统计指标和配置。",
   "940a168911ade998": "每页条数",
   "946b3ffc02f026c0": "确定删除这个模型吗？",
   "966498853d801a52": "TAB 选择",
@@ -231,6 +234,7 @@
   "b502b1d414664337": "提示词：{tokens}",
   "b5141d3d19e9a048": "是",
   "b6725f218ebaef26": "已显示 Dock 栏图标",
+  "b67e408132f4dbd7": "确定要清理全部统计数据吗？",
   "b75a46aad3e7c132": "非缓存输入：{tokens}",
   "b79354009c614ae9": "统计数据",
   "b86967982067d295": "（估算）",
@@ -259,6 +263,7 @@
   "cfe085015632e9c8": "桌面前端连接的本地管理服务端口；填写 0 时启动时随机选择。",
   "d0bfccc77315d887": "近一个月",
   "d1251cd752d4ec25": "留空时使用 adaptive thinking。",
+  "d1a3d72618d1ed27": "所有调用汇总、详细内容和追踪记录都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。",
   "d2d648bd1c94b7f9": "认证",
   "d34335433395cd3a": "登录系统后自动启动 Cursor BYOK。",
   "d3716cc5a2f5a810": "服务器地址",
@@ -326,6 +331,7 @@
   "fdc4cabc370fa3f7": "暂无选项",
   "fea405f9b01d1416": "概览",
   "fec45092945f8790": "使用教程",
+  "fec7210590309465": "清理全部统计数据",
   "ff509c9ba052a21c": "保存中…",
   "ff66b1c7e010bbc2": "请在终端中粘贴授权命令并输入密码，完成后点击下方按钮",
   "ff673195f05fb056": "服务端口"
diff --git a/apps/desktop/src/pages/SettingsPage.tsx b/apps/desktop/src/pages/SettingsPage.tsx
index a1aaf2f..19cdfc6 100644
--- a/apps/desktop/src/pages/SettingsPage.tsx
+++ b/apps/desktop/src/pages/SettingsPage.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { api, type ProxySettings, type ProxySettingsInput, type StatisticsStorage, type TabSettings } from "../api";
+import { api, type ProxySettings, type ProxySettingsInput, type StatisticsStorage, type StatisticsStorageScope, type TabSettings } from "../api";
 import { PageContent } from "../components/layout/PageContent";
 import { LegacyModelImport } from "../components/models/LegacyModelImport";
 import { AppLifecycleSettingsCard } from "../components/settings/AppLifecycleSettingsCard";
@@ -27,6 +27,7 @@ export function SettingsPage() {
   const [savingPorts, setSavingPorts] = useState(false);
   const [storage, setStorage] = useState<StatisticsStorage | null>(null);
   const [confirmClear, setConfirmClear] = useState(false);
+  const [clearScope, setClearScope] = useState<StatisticsStorageScope>("details");
   const [clearing, setClearing] = useState(false);
   const [outboundProxy, setOutboundProxy] = useState<ProxySettings | null>(null);
   const [proxyDraft, setProxyDraft] = useState<ProxySettingsInput>({ mode: "system", address: "", auth_enabled: false, username: "", password: "" });
@@ -87,10 +88,10 @@ export function SettingsPage() {
   const clearStorage = async () => {
     try {
       setClearing(true);
-      setStorage(await api.clearStatisticsStorage());
+      setStorage(await api.clearStatisticsStorage(clearScope));
       setConfirmClear(false);
       await appStore.refresh();
-      message(t("统计数据已清理"));
+      message(clearScope === "all" ? t("全部统计数据已清理") : t("详细记录已清理"));
     } catch (cause) {
       message(cause instanceof Error ? cause.message : String(cause));
     } finally {
@@ -154,6 +155,10 @@ export function SettingsPage() {
     while (value >= 1024 && unit < units.length - 1) { value /= 1024; unit += 1; }
     return `${value < 10 ? value.toFixed(1) : Math.round(value)} ${units[unit]}`;
   };
+  const clearTitle = clearScope === "all" ? t("确定要清理全部统计数据吗？") : t("确定要清理详细记录吗？");
+  const clearDescription = clearScope === "all"
+    ? t("所有调用汇总、详细内容和追踪记录都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。")
+    : t("仅删除请求、响应和追踪附件等详细内容，保留调用汇总、统计指标和配置。");
   const content = (
     <div className={styles.page}>
       <TitledCard title={t("调用观测")}>
@@ -278,7 +283,7 @@ export function SettingsPage() {
           <button
             type="button"
             className={styles.textButton}
-            onClick={() => setConfirmClear(true)}
+            onClick={() => { setClearScope("details"); setConfirmClear(true); }}
           >
             {t("清理存储空间")}
           </button>
@@ -286,7 +291,7 @@ export function SettingsPage() {
       </TitledCard>
       <ConfirmDialog
         open={confirmClear}
-        title={t("确定要清理所有统计数据吗？")}
+        title={clearTitle}
         busy={clearing}
         cancelLabel={t("取消")}
         confirmLabel={t("确认清理")}
@@ -294,11 +299,16 @@ export function SettingsPage() {
         onConfirm={() => void clearStorage()}
       >
         <div className={styles.confirmContent}>
-          <small>
-            {t(
-              "所有调用记录和详细追踪数据都会被删除。模型配置、CA 和应用设置不会受到影响，此操作无法撤销。",
-            )}
-          </small>
+          <Select
+            value={clearScope}
+            ariaLabel={t("清理范围")}
+            options={[
+              { value: "details", label: t("仅清理详细记录") },
+              { value: "all", label: t("清理全部统计数据") },
+            ]}
+            onChange={(value) => setClearScope(value as StatisticsStorageScope)}
+          />
+          <small>{clearDescription}</small>
         </div>
       </ConfirmDialog>
     </div>
diff --git a/server/src/control/service.rs b/server/src/control/service.rs
index e861185..3e9a7b0 100644
--- a/server/src/control/service.rs
+++ b/server/src/control/service.rs
@@ -565,6 +565,10 @@ impl ControlService {
         self.store.clear_statistics_storage().await
     }
 
+    pub async fn clear_all_statistics_storage(&self) -> Result<StatisticsStorage> {
+        self.store.clear_all_statistics_storage().await
+    }
+
     pub async fn proxy_settings(&self) -> Result<ProxySettings> {
         self.store.proxy_settings().await
     }
diff --git a/server/src/control/settings.rs b/server/src/control/settings.rs
index 440a7e0..4eedcd4 100644
--- a/server/src/control/settings.rs
+++ b/server/src/control/settings.rs
@@ -1,9 +1,10 @@
 use crate::Result;
 use axum::{extract::State, Json};
+use serde::Deserialize;
 
 use crate::store::{
     DesktopSettings, PortSettings, ProxySettings, ProxySettingsInput, StatisticsStorage,
-    TabSettings,
+    StatisticsStorageScope, TabSettings,
 };
 
 use super::{ControlService, ObservabilitySettings};
@@ -36,8 +37,20 @@ pub async fn get_storage(State(service): State<ControlService>) -> Result<Json<S
 
 pub async fn clear_storage(
     State(service): State<ControlService>,
+    input: Option<Json<ClearStorageInput>>,
 ) -> Result<Json<StatisticsStorage>> {
-    Ok(Json(service.clear_statistics_storage().await?))
+    let scope = input.map(|Json(input)| input.scope).unwrap_or_default();
+    let storage = match scope {
+        StatisticsStorageScope::Details => service.clear_statistics_storage().await?,
+        StatisticsStorageScope::All => service.clear_all_statistics_storage().await?,
+    };
+    Ok(Json(storage))
+}
+
+#[derive(Deserialize)]
+pub struct ClearStorageInput {
+    #[serde(default)]
+    pub scope: StatisticsStorageScope,
 }
 
 pub async fn get_proxy(State(service): State<ControlService>) -> Result<Json<ProxySettings>> {
diff --git a/server/src/cursor/actor.rs b/server/src/cursor/actor.rs
index 679cc81..3df974d 100644
--- a/server/src/cursor/actor.rs
+++ b/server/src/cursor/actor.rs
@@ -64,6 +64,7 @@ impl CursorActor {
                 };
                 match command {
                     CursorCommand::Abort => {
+                        handle.mark_conversation_cancelled();
                         handle.cancel();
                     }
                     CursorCommand::Finished => {
@@ -76,6 +77,24 @@ impl CursorActor {
                                     Some(pb::agent_client_message::Message::RunRequest(
                                         request,
                                     )) => {
+                                        if let Some(conversation_id) =
+                                            request.conversation_id.as_deref()
+                                        {
+                                            if let Err(error) =
+                                                handle.set_conversation_id(conversation_id)
+                                            {
+                                                tracing::error!(
+                                                    request_id = handle.request_id(),
+                                                    %error,
+                                                    "invalid Cursor conversation id"
+                                                );
+                                                let _ =
+                                                    crate::cursor::lifecycle::fail(&handle, &error);
+                                                let _ =
+                                                    handle.command(CursorCommand::Finished).await;
+                                                return;
+                                            }
+                                        }
                                         if let Some((results, runtime_actions, dependencies)) =
                                             run_resources.take()
                                         {
@@ -357,8 +376,12 @@ impl CursorActor {
                                     ) => match action.action {
                                         Some(
                                             pb::conversation_action::Action::UserMessageAction(_),
-                                        )
-                                        | Some(pb::conversation_action::Action::CancelAction(_)) => {
+                                        ) => {
+                                            handle.mark_conversation_cancelled();
+                                            handle.cancel();
+                                        }
+                                        Some(pb::conversation_action::Action::CancelAction(_)) => {
+                                            handle.mark_conversation_cancelled();
                                             handle.cancel();
                                         }
                                         Some(
diff --git a/server/src/cursor/bidi_append.rs b/server/src/cursor/bidi_append.rs
index 6a68879..73c55d9 100644
--- a/server/src/cursor/bidi_append.rs
+++ b/server/src/cursor/bidi_append.rs
@@ -43,6 +43,33 @@ impl DecodedAppend {
         request.conversation_id.as_deref()
     }
 
+    pub fn is_background_task_completion(&self) -> bool {
+        let Some(agent::agent_client_message::Message::RunRequest(request)) =
+            self.message.message.as_ref()
+        else {
+            return false;
+        };
+        matches!(
+            request
+                .action
+                .as_ref()
+                .and_then(|action| action.action.as_ref()),
+            Some(agent::conversation_action::Action::BackgroundTaskCompletionAction(_))
+        )
+    }
+
+    fn is_runtime_cancellation(&self) -> bool {
+        matches!(
+            self.message.message.as_ref(),
+            Some(agent::agent_client_message::Message::ConversationAction(action))
+                if matches!(
+                    action.action.as_ref(),
+                    Some(agent::conversation_action::Action::CancelAction(_))
+                        | Some(agent::conversation_action::Action::UserMessageAction(_))
+                )
+        )
+    }
+
     pub fn trace_metadata(&self) -> serde_json::Value {
         let Some(message) = self.message.message.as_ref() else {
             return serde_json::json!({
@@ -163,7 +190,29 @@ pub async fn append(
     request: DecodedAppend,
     parent: Option<CursorParent>,
 ) -> Result<ai::BidiAppendResponse> {
+    if let Some(conversation_id) = request.conversation_id() {
+        if request.is_background_task_completion()
+            && registry.conversation_cancelled(conversation_id)
+        {
+            tracing::info!(
+                request_id = %request.request_id,
+                %conversation_id,
+                "dropping background task completion for cancelled conversation"
+            );
+            return Ok(ai::BidiAppendResponse {});
+        }
+        if !request.is_background_task_completion() {
+            registry.clear_conversation_cancelled(conversation_id);
+        }
+    }
     let handle = registry.get_or_create(&request.request_id).await?;
+    if let Some(conversation_id) = request.conversation_id() {
+        handle.set_conversation_id(conversation_id)?;
+    }
+    if request.is_runtime_cancellation() {
+        handle.mark_conversation_cancelled();
+        handle.cancel();
+    }
     if let Some(parent) = parent {
         handle.set_parent(parent)?;
     }
@@ -225,4 +274,21 @@ mod tests {
         .unwrap();
         assert_eq!(decoded.model_id(), Some("grok-4.6"));
     }
+
+    #[test]
+    fn detects_background_task_completion_actions() {
+        let decoded = decode(&encoded(agent::AgentRunRequest {
+            action: Some(agent::ConversationAction {
+                action: Some(
+                    agent::conversation_action::Action::BackgroundTaskCompletionAction(
+                        agent::BackgroundTaskCompletionAction::default(),
+                    ),
+                ),
+                ..Default::default()
+            }),
+            ..Default::default()
+        }))
+        .unwrap();
+        assert!(decoded.is_background_task_completion());
+    }
 }
diff --git a/server/src/cursor/sessions.rs b/server/src/cursor/sessions.rs
index 1b4b8c1..5e3b456 100644
--- a/server/src/cursor/sessions.rs
+++ b/server/src/cursor/sessions.rs
@@ -1,5 +1,5 @@
 use std::{
-    collections::HashMap,
+    collections::{HashMap, HashSet},
     sync::{Arc, OnceLock},
 };
 
@@ -29,6 +29,8 @@ pub struct CursorSessionHandle {
     commands: mpsc::Sender<CursorCommand>,
     output: Arc<OutputHub>,
     cancellation: CancellationToken,
+    conversation_id: Arc<OnceLock<String>>,
+    cancelled_conversations: Arc<parking_lot::Mutex<HashSet<String>>>,
     parent: Arc<OnceLock<CursorParent>>,
     trace: Option<CursorTraceRecorder>,
 }
@@ -43,6 +45,35 @@ impl CursorSessionHandle {
     pub fn request_id(&self) -> &str {
         &self.request_id
     }
+    pub fn set_conversation_id(&self, conversation_id: &str) -> Result<()> {
+        if conversation_id.is_empty() {
+            return Err(crate::Error::Protocol(
+                "Cursor conversation id is required".into(),
+            ));
+        }
+        if self
+            .conversation_id
+            .get()
+            .is_some_and(|current| current != conversation_id)
+        {
+            return Err(crate::Error::Protocol(format!(
+                "conflicting conversation ids for request {}",
+                self.request_id
+            )));
+        }
+        let _ = self.conversation_id.set(conversation_id.into());
+        Ok(())
+    }
+    pub fn conversation_id(&self) -> Option<&str> {
+        self.conversation_id.get().map(String::as_str)
+    }
+    pub fn mark_conversation_cancelled(&self) {
+        if let Some(conversation_id) = self.conversation_id() {
+            self.cancelled_conversations
+                .lock()
+                .insert(conversation_id.to_owned());
+        }
+    }
     pub fn subscribe(&self) -> mpsc::UnboundedReceiver<Bytes> {
         self.output.subscribe()
     }
@@ -160,6 +191,7 @@ struct RegistryInner {
     store: Store,
     provider: Arc<dyn Provider>,
     compiler: PromptCompiler,
+    cancelled_conversations: Arc<parking_lot::Mutex<HashSet<String>>>,
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -188,6 +220,7 @@ impl CursorSessionRegistry {
                 store,
                 provider,
                 compiler,
+                cancelled_conversations: Arc::new(parking_lot::Mutex::new(HashSet::new())),
             }),
         }
     }
@@ -205,6 +238,8 @@ impl CursorSessionRegistry {
             commands,
             output,
             cancellation,
+            conversation_id: Arc::new(OnceLock::new()),
+            cancelled_conversations: self.inner.cancelled_conversations.clone(),
             parent: Arc::new(OnceLock::new()),
             trace,
         };
@@ -262,6 +297,20 @@ impl CursorSessionRegistry {
             .contains_key(request_id)
     }
 
+    pub(crate) fn conversation_cancelled(&self, conversation_id: &str) -> bool {
+        self.inner
+            .cancelled_conversations
+            .lock()
+            .contains(conversation_id)
+    }
+
+    pub(crate) fn clear_conversation_cancelled(&self, conversation_id: &str) {
+        self.inner
+            .cancelled_conversations
+            .lock()
+            .remove(conversation_id);
+    }
+
     pub(crate) async fn wait_route(&self, request_id: &str) -> CursorRoute {
         loop {
             let changed = self.inner.route_changed.notified();
diff --git a/server/src/provider/anthropic.rs b/server/src/provider/anthropic.rs
index b11eecd..c1afff0 100644
--- a/server/src/provider/anthropic.rs
+++ b/server/src/provider/anthropic.rs
@@ -49,7 +49,8 @@ impl Provider for AnthropicProvider {
         let recorder = self.recorder.clone();
         Box::pin(try_stream! {
             let ModelInvocation { call_id, request, .. } = invocation;
-            let messages = anthropic_messages(&request.history)?;
+            let mut messages = anthropic_messages(&request.history)?;
+            mark_cache_breakpoint(&mut messages);
             let max_tokens = request.model.max_output_tokens.or(config.max_output_tokens)
                 .unwrap_or(DEFAULT_MAX_OUTPUT_TOKENS);
             let mut body = json!({
@@ -372,6 +373,24 @@ fn anthropic_messages(messages: &[ProjectedMessage]) -> Result<Vec<Value>> {
     Ok(output)
 }
 
+fn mark_cache_breakpoint(messages: &mut [Value]) {
+    for message in messages {
+        let Some(content) = message.get_mut("content").and_then(Value::as_array_mut) else {
+            continue;
+        };
+        for block in content {
+            let kind = block.get("type").and_then(Value::as_str);
+            if matches!(kind, Some("thinking" | "redacted_thinking")) {
+                continue;
+            }
+            if let Some(block) = block.as_object_mut() {
+                block.insert("cache_control".into(), json!({"type": "ephemeral"}));
+                return;
+            }
+        }
+    }
+}
+
 fn anthropic_parts(role: &Role, parts: &[ContentPart]) -> Result<Vec<Value>> {
     parts
         .iter()
diff --git a/server/src/store/storage.rs b/server/src/store/storage.rs
index ee64bb6..e8f99b0 100644
--- a/server/src/store/storage.rs
+++ b/server/src/store/storage.rs
@@ -1,6 +1,6 @@
 //! Storage accounting and cleanup for disposable observability data.
 
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 
 use crate::Result;
 
@@ -13,6 +13,14 @@ pub struct StatisticsStorage {
     pub trace_count: i64,
 }
 
+#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum StatisticsStorageScope {
+    #[default]
+    Details,
+    All,
+}
+
 impl Store {
     pub async fn statistics_storage(&self) -> Result<StatisticsStorage> {
         let (bytes, call_count, trace_count) = sqlx::query_as::<_, (i64, i64, i64)>(
@@ -56,6 +64,15 @@ impl Store {
     pub async fn clear_statistics_storage(&self) -> Result<StatisticsStorage> {
         let _write = self.writes.lock().await;
         let mut transaction = self.pool.begin().await?;
+        Self::clear_detail_storage_tx(&mut transaction).await?;
+        transaction.commit().await?;
+        self.statistics_storage().await
+    }
+
+    pub async fn clear_all_statistics_storage(&self) -> Result<StatisticsStorage> {
+        let _write = self.writes.lock().await;
+        let mut transaction = self.pool.begin().await?;
+        Self::clear_trace_artifacts_tx(&mut transaction).await?;
         sqlx::query("DELETE FROM llm_calls")
             .execute(&mut *transaction)
             .await?;
@@ -65,6 +82,59 @@ impl Store {
         transaction.commit().await?;
         self.statistics_storage().await
     }
+
+    async fn clear_detail_storage_tx(
+        transaction: &mut sqlx::Transaction<'_, sqlx::Sqlite>,
+    ) -> Result<()> {
+        sqlx::query("DELETE FROM llm_call_requests")
+            .execute(&mut **transaction)
+            .await?;
+        sqlx::query("DELETE FROM llm_call_response_chunks")
+            .execute(&mut **transaction)
+            .await?;
+        Self::clear_trace_artifacts_tx(transaction).await
+    }
+
+    async fn clear_trace_artifacts_tx(
+        transaction: &mut sqlx::Transaction<'_, sqlx::Sqlite>,
+    ) -> Result<()> {
+        sqlx::query(
+            "CREATE TEMP TABLE IF NOT EXISTS clear_statistics_blob_ids(
+                blob_id BLOB PRIMARY KEY
+             )",
+        )
+        .execute(&mut **transaction)
+        .await?;
+        sqlx::query("DELETE FROM clear_statistics_blob_ids")
+            .execute(&mut **transaction)
+            .await?;
+        sqlx::query(
+            "INSERT OR IGNORE INTO clear_statistics_blob_ids(blob_id)
+             SELECT blob_id FROM cursor_run_trace_artifacts",
+        )
+        .execute(&mut **transaction)
+        .await?;
+        sqlx::query("DELETE FROM cursor_run_trace_artifacts")
+            .execute(&mut **transaction)
+            .await?;
+        sqlx::query(
+            "DELETE FROM blobs
+             WHERE blob_id IN (SELECT blob_id FROM clear_statistics_blob_ids)
+               AND NOT EXISTS (
+                   SELECT 1 FROM cursor_run_trace_artifacts a WHERE a.blob_id = blobs.blob_id
+               )
+               AND NOT EXISTS (
+                   SELECT 1 FROM blob_edges e
+                   WHERE e.parent_blob_id = blobs.blob_id OR e.child_blob_id = blobs.blob_id
+               )",
+        )
+        .execute(&mut **transaction)
+        .await?;
+        sqlx::query("DROP TABLE clear_statistics_blob_ids")
+            .execute(&mut **transaction)
+            .await?;
+        Ok(())
+    }
 }
 
 #[cfg(test)]
@@ -73,7 +143,7 @@ mod tests {
     use crate::model::{ModelConfigInput, ModelType, OPENAI_CHAT_ENDPOINT};
 
     #[tokio::test]
-    async fn clears_observability_without_removing_configuration() {
+    async fn clears_detail_storage_without_removing_configuration() {
         let store = Store::connect("sqlite::memory:").await.unwrap();
         store
             .create_model(&ModelConfigInput {
@@ -106,12 +176,16 @@ mod tests {
 
         assert!(store.statistics_storage().await.unwrap().bytes > 0);
         let cleared = store.clear_statistics_storage().await.unwrap();
-        assert_eq!(cleared.bytes, 0);
-        assert_eq!(cleared.call_count, 0);
+        assert_eq!(cleared.call_count, 1);
+        assert_eq!(cleared.trace_count, 0);
+        assert!(cleared.bytes > 0);
+        assert!(store.llm_call_request("call-1").await.unwrap().is_none());
+        assert!(store.llm_call_chunks("call-1").await.unwrap().is_empty());
         let model_count: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM model_configs")
             .fetch_one(store.pool())
             .await
             .unwrap();
+
         assert_eq!(model_count, 1);
 
         store
@@ -127,5 +201,11 @@ mod tests {
             .record_llm_chunk("call-1", 0, 1, b"data", true)
             .await
             .unwrap();
+
+        assert!(store.llm_call_request("call-1").await.unwrap().is_some());
+        assert_eq!(store.llm_call_chunks("call-1").await.unwrap().len(), 1);
+        let cleared = store.clear_all_statistics_storage().await.unwrap();
+        assert_eq!(cleared.bytes, 0);
+        assert_eq!(cleared.call_count, 0);
     }
 }
diff --git a/server/tests/background_completion.rs b/server/tests/background_completion.rs
index 2c675e5..802d92d 100644
--- a/server/tests/background_completion.rs
+++ b/server/tests/background_completion.rs
@@ -7,6 +7,7 @@ use std::{collections::HashMap, sync::Arc};
 
 use cursor_server::{
     cursor::{
+        bidi_append::{self, DecodedAppend},
         connect,
         prompting::{PromptAssets, PromptCompiler},
         proto::agent::v1 as pb,
@@ -20,6 +21,45 @@ use prost::Message;
 const FOLLOW_UP: &str = "Perform any necessary follow-up actions in response to the subagent completion above. If no follow-up work is needed, no further action is required. If you mention an agent or subagent in your response, link it with the `[Name](id)` Don't use generic label such as `[agent]`, `[worker]`, or `[subagent]`.";
 const SHELL_FOLLOW_UP: &str = "Briefly inform the user about the task result and perform any follow-up actions (if needed). If there's no follow-ups needed, don't explicitly say that.";
 
+#[tokio::test]
+async fn cancelled_conversation_drops_late_background_completion() {
+    let (_directory, store) = fixtures::temp_store().await;
+    let provider = fake_provider::FakeProvider::default();
+    let assets = PromptAssets::load(
+        std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("prompt/cursor")
+            .as_path(),
+    )
+    .unwrap();
+    let registry = CursorSessionRegistry::new(
+        store,
+        Arc::new(provider.clone()),
+        PromptCompiler::new(assets),
+        Default::default(),
+    );
+    let active = registry.get_or_create("cancelled-request").await.unwrap();
+    active.set_conversation_id("parent-conversation").unwrap();
+    active.mark_conversation_cancelled();
+
+    bidi_append::append(
+        &registry,
+        DecodedAppend {
+            request_id: "late-completion".into(),
+            seqno: 1,
+            message: completion_run(
+                "child-id",
+                "cancelled-parent-run",
+                pb::ConversationStateStructure::default(),
+            ),
+        },
+        None,
+    )
+    .await
+    .unwrap();
+
+    assert!(provider.requests().is_empty());
+}
+
 #[tokio::test]
 async fn background_subagent_completion_starts_a_simulated_parent_turn() {
     let (_directory, store) = fixtures::temp_store().await;
diff --git a/server/tests/provider_stream.rs b/server/tests/provider_stream.rs
index 45e8513..1eff2ba 100644
--- a/server/tests/provider_stream.rs
+++ b/server/tests/provider_stream.rs
@@ -672,7 +672,17 @@ async fn anthropic_raw_stream_uses_explicit_and_default_token_limits() {
     server.abort();
 
     assert_eq!(body["max_tokens"], 1234);
+    assert!(body.get("cache_control").is_none());
+    assert_eq!(
+        body["messages"][0]["content"][0]["cache_control"]["type"],
+        "ephemeral"
+    );
     assert_eq!(default_body["max_tokens"], 65_000);
+    assert!(default_body.get("cache_control").is_none());
+    assert_eq!(
+        default_body["messages"][0]["content"][0]["cache_control"]["type"],
+        "ephemeral"
+    );
     assert!(body.get("service_tier").is_none());
     assert_eq!(body["messages"][0]["content"][1]["type"], "image");
     assert_eq!(