init file sys

8 files changed, 798 insertions, 3 deletions

diff --git a/backend/data/test/files/1d344051-3b8e-41bc-8c57-15710383bd42 b/backend/data/test/files/1d344051-3b8e-41bc-8c57-15710383bd42
new file mode 100644
index 0000000..747674f
--- /dev/null
+++ b/backend/data/test/files/1d344051-3b8e-41bc-8c57-15710383bd42
diff --git a/backend/data/test/files/58252c05-718e-4eea-a23d-56a64d03b4fc b/backend/data/test/files/23f72737-1d5f-4cab-b68e-8c9010a8fdc4
index a837816..a837816 100644
--- a/backend/data/test/files/58252c05-718e-4eea-a23d-56a64d03b4fc
+++ b/backend/data/test/files/23f72737-1d5f-4cab-b68e-8c9010a8fdc4
diff --git a/backend/data/test/files/2d43e6a5-2823-4564-8beb-fef2721056f3 b/backend/data/test/files/2d43e6a5-2823-4564-8beb-fef2721056f3
new file mode 100644
index 0000000..c522464
--- /dev/null
+++ b/backend/data/test/files/2d43e6a5-2823-4564-8beb-fef2721056f3
diff --git a/backend/data/test/files/609ece1b-0894-4904-b363-d6e1c7a90be8 b/backend/data/test/files/609ece1b-0894-4904-b363-d6e1c7a90be8
new file mode 100644
index 0000000..f2d6870
--- /dev/null
+++ b/backend/data/test/files/609ece1b-0894-4904-b363-d6e1c7a90be8
diff --git a/backend/data/test/files/dcf69ca5-2efa-4b8a-acec-3864a803f073 b/backend/data/test/files/dcf69ca5-2efa-4b8a-acec-3864a803f073
new file mode 100644
index 0000000..0b9b64e
--- /dev/null
+++ b/backend/data/test/files/dcf69ca5-2efa-4b8a-acec-3864a803f073
diff --git a/backend/data/test/files/index.json b/backend/data/test/files/index.json
index d9e559f..537cbe1 100644
--- a/backend/data/test/files/index.json
+++ b/backend/data/test/files/index.json
@@ -1,11 +1,75 @@
 [
   {
-    "id": "58252c05-718e-4eea-a23d-56a64d03b4fc",
+    "id": "dcf69ca5-2efa-4b8a-acec-3864a803f073",
+    "name": "542proposal.pdf",
+    "size": 275191,
+    "mime": "application/pdf",
+    "created_at": 1765347496.7856553,
+    "provider": null,
+    "provider_file_id": null,
+    "openai_file_id": "file-UTunaRvEEufAK3vMPtC4oh",
+    "openai_vector_store_id": "vs_693910aa910081919231c2c6b6c69e1d",
+    "scopes": [
+      "untitled/node_1765410411339",
+      "untitled.json/node_1765320756261",
+      "untitled (2).json/node_1765320756261"
+    ]
+  },
+  {
+    "id": "2d43e6a5-2823-4564-8beb-fef2721056f3",
+    "name": "ICLR_New (2).pdf",
+    "size": 4396443,
+    "mime": "application/pdf",
+    "created_at": 1765411275.0,
+    "provider": "openai",
+    "provider_file_id": "file-KF3avxznCxcDXnZxEEUhTo",
+    "openai_file_id": "file-KF3avxznCxcDXnZxEEUhTo",
+    "openai_vector_store_id": "vs_693910aa910081919231c2c6b6c69e1d",
+    "scopes": [
+      "untitled/node_1765410434473",
+      "untitled (2).json/node_1765411626468",
+      "untitled (2).json/node_1765412541501",
+      "untitled (2).json/node_1765413048314"
+    ]
+  },
+  {
+    "id": "23f72737-1d5f-4cab-b68e-8c9010a8fdc4",
     "name": "survey_on_survey (3).pdf",
     "size": 263914,
     "mime": "application/pdf",
-    "created_at": 1765324835.7883003,
+    "created_at": 1765415182.5394356,
+    "provider": null,
+    "provider_file_id": null,
+    "openai_file_id": "file-M1aQQuGPqBYPg48Wf7JfNo",
+    "openai_vector_store_id": "vs_693910aa910081919231c2c6b6c69e1d",
+    "scopes": []
+  },
+  {
+    "id": "609ece1b-0894-4904-b363-d6e1c7a90be8",
+    "name": "CV.pdf",
+    "size": 30337,
+    "mime": "application/pdf",
+    "created_at": 1765415665.079434,
+    "provider": null,
+    "provider_file_id": null,
+    "openai_file_id": "file-HB9LZHueJAaj9tNfx5QxvR",
+    "openai_vector_store_id": "vs_693910aa910081919231c2c6b6c69e1d",
+    "scopes": [
+      "untitled (2).json/quick_chat_temp"
+    ]
+  },
+  {
+    "id": "1d344051-3b8e-41bc-8c57-15710383bd42",
+    "name": "hw4.pdf",
+    "size": 249853,
+    "mime": "application/pdf",
+    "created_at": 1765416241.6634274,
     "provider": null,
-    "provider_file_id": null
+    "provider_file_id": null,
+    "openai_file_id": "file-UiqdRSQiyhcp4bNbAcuy7j",
+    "openai_vector_store_id": "vs_693910aa910081919231c2c6b6c69e1d",
+    "scopes": [
+      "untitled (2).json/quick_chat_temp"
+    ]
   }
 ]
\ No newline at end of file
diff --git a/backend/data/test/files/vector_store.json b/backend/data/test/files/vector_store.json
new file mode 100644
index 0000000..9b9d8a8
--- /dev/null
+++ b/backend/data/test/files/vector_store.json
@@ -0,0 +1 @@
+{"id": "vs_693910aa910081919231c2c6b6c69e1d"}
\ No newline at end of file
diff --git a/backend/data/test/projects/untitled (2).json b/backend/data/test/projects/untitled (2).json
new file mode 100644
index 0000000..2751b9c
--- /dev/null
+++ b/backend/data/test/projects/untitled (2).json
@@ -0,0 +1,730 @@
+{
+  "version": 1,
+  "nodes": [
+    {
+      "id": "node_1765320756261",
+      "type": "llmNode",
+      "position": {
+        "x": 100,
+        "y": 100
+      },
+      "data": {
+        "label": "PDF File Count",
+        "model": "gpt-5.1",
+        "temperature": 0.7,
+        "systemPrompt": "",
+        "userPrompt": "testing search_files. Please search for pdf files in this conversation and count the number.",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "messages": [
+          {
+            "id": "msg_1765413079192_u",
+            "role": "user",
+            "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+          },
+          {
+            "id": "msg_1765413079192_a",
+            "role": "assistant",
+            "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+          }
+        ],
+        "traces": [],
+        "outgoingTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              }
+            ]
+          }
+        ],
+        "forkedTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-u",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-a",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              }
+            ]
+          }
+        ],
+        "mergedTraces": [],
+        "response": "I found **1 PDF file** in this conversation: `542proposal.pdf`. ",
+        "status": "success",
+        "inputs": 1,
+        "activeTraceIds": [],
+        "attachments": [
+          {
+            "fileId": "8a29c29f-fc55-4197-ba61-ac6fa1b5d628",
+            "name": "507hw_.pdf",
+            "providerFileId": "file-9ptprToszH4K38Mg3Qu5B6",
+            "expiresAt": null
+          }
+        ],
+        "attachedFileIds": [
+          "dcf69ca5-2efa-4b8a-acec-3864a803f073"
+        ],
+        "querySentAt": 1765413043481,
+        "responseReceivedAt": 1765413079192
+      },
+      "width": 200,
+      "height": 64,
+      "selected": false,
+      "dragging": false,
+      "positionAbsolute": {
+        "x": 109.22690128581917,
+        "y": 455.2354603148382
+      }
+    },
+    {
+      "id": "node_1765413048314",
+      "type": "llmNode",
+      "position": {
+        "x": 450,
+        "y": 100
+      },
+      "data": {
+        "label": "Pdf Files",
+        "model": "gpt-5.1",
+        "temperature": 0.7,
+        "systemPrompt": "",
+        "userPrompt": "what about now?",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "messages": [
+          {
+            "id": "node_1765320756261-user",
+            "role": "user",
+            "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+          },
+          {
+            "id": "node_1765320756261-assistant",
+            "role": "assistant",
+            "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+          },
+          {
+            "id": "msg_1765415155872_u",
+            "role": "user",
+            "content": "what about now?"
+          },
+          {
+            "id": "msg_1765415155872_a",
+            "role": "assistant",
+            "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+          }
+        ],
+        "traces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              }
+            ]
+          }
+        ],
+        "outgoingTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "forkedTraces": [],
+        "mergedTraces": [],
+        "response": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` ",
+        "status": "success",
+        "inputs": 1,
+        "activeTraceIds": [
+          "fork-node_1765320756261-1765413083937"
+        ],
+        "attachedFileIds": [
+          "2d43e6a5-2823-4564-8beb-fef2721056f3"
+        ],
+        "querySentAt": 1765415098761,
+        "responseReceivedAt": 1765415155872
+      },
+      "width": 200,
+      "height": 64,
+      "selected": true,
+      "positionAbsolute": {
+        "x": 407.983813671746,
+        "y": 459.30622770179616
+      },
+      "dragging": false
+    },
+    {
+      "id": "node_1765415177931",
+      "type": "llmNode",
+      "position": {
+        "x": 800,
+        "y": 100
+      },
+      "data": {
+        "label": "PDF Files",
+        "model": "gpt-5.1",
+        "temperature": 1,
+        "systemPrompt": "",
+        "userPrompt": "我来多做几轮测试。现在呢？",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "enableGoogleSearch": true,
+        "traces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "outgoingTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "forkedTraces": [],
+        "mergedTraces": [],
+        "activeTraceIds": [],
+        "attachedFileIds": [],
+        "response": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` ",
+        "status": "success",
+        "inputs": 1,
+        "querySentAt": 1765415177931,
+        "responseReceivedAt": 1765415177931
+      },
+      "width": 200,
+      "height": 64
+    },
+    {
+      "id": "node_1765415203978",
+      "type": "llmNode",
+      "position": {
+        "x": 1150,
+        "y": 100
+      },
+      "data": {
+        "label": "PDF Files",
+        "model": "gpt-5.1",
+        "temperature": 1,
+        "systemPrompt": "",
+        "userPrompt": "那么现在呢",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "enableGoogleSearch": true,
+        "traces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "outgoingTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415203978-user",
+                "role": "user",
+                "content": "那么现在呢"
+              },
+              {
+                "id": "node_1765415203978-assistant",
+                "role": "assistant",
+                "content": "现在一共有 **3 个 PDF 文件**：\n\n1. `survey_on_survey (3).pdf` fileciteturn0file0turn0file7  \n2. `ICLR_New (2).pdf` fileciteturn0file1turn0file8  \n3. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "forkedTraces": [],
+        "mergedTraces": [],
+        "activeTraceIds": [],
+        "attachedFileIds": [],
+        "response": "现在一共有 **3 个 PDF 文件**：\n\n1. `survey_on_survey (3).pdf` fileciteturn0file0turn0file7  \n2. `ICLR_New (2).pdf` fileciteturn0file1turn0file8  \n3. `542proposal.pdf` ",
+        "status": "success",
+        "inputs": 1,
+        "querySentAt": 1765415203978,
+        "responseReceivedAt": 1765415203978
+      },
+      "width": 200,
+      "height": 64
+    },
+    {
+      "id": "node_1765415227098",
+      "type": "llmNode",
+      "position": {
+        "x": 1500,
+        "y": 100
+      },
+      "data": {
+        "label": "Citation Markers",
+        "model": "gpt-5.1",
+        "temperature": 1,
+        "systemPrompt": "",
+        "userPrompt": "”fileciteturn0file0turn0file7“这一串字符是什么？",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "enableGoogleSearch": true,
+        "traces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415203978-user",
+                "role": "user",
+                "content": "那么现在呢"
+              },
+              {
+                "id": "node_1765415203978-assistant",
+                "role": "assistant",
+                "content": "现在一共有 **3 个 PDF 文件**：\n\n1. `survey_on_survey (3).pdf` fileciteturn0file0turn0file7  \n2. `ICLR_New (2).pdf` fileciteturn0file1turn0file8  \n3. `542proposal.pdf` "
+              }
+            ]
+          }
+        ],
+        "outgoingTraces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
+            "sourceNodeId": "node_1765320756261",
+            "color": "hsl(163, 70%, 60%)",
+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415203978-user",
+                "role": "user",
+                "content": "那么现在呢"
+              },
+              {
+                "id": "node_1765415203978-assistant",
+                "role": "assistant",
+                "content": "现在一共有 **3 个 PDF 文件**：\n\n1. `survey_on_survey (3).pdf` fileciteturn0file0turn0file7  \n2. `ICLR_New (2).pdf` fileciteturn0file1turn0file8  \n3. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415227098-user",
+                "role": "user",
+                "content": "”fileciteturn0file0turn0file7“这一串字符是什么？"
+              },
+              {
+                "id": "node_1765415227098-assistant",
+                "role": "assistant",
+                "content": "那一串  \n`fileciteturn0file0turn0file7`  \n\n是我用来**标注文件来源的内部引用标记（citation marker）**，含义大概是：\n\n- `filecite`：说明这是一个“文件引用”的开始  \n- `turn0file0`、`turn0file7`：指向本对话中由你上传的具体文件（第 0 轮的第 0 个文件、第 7 个文件之类的内部编号）  \n- ``：引用标记的结束符  \n\n这些标记主要是给系统用来“知道这句话是根据哪些文件内容回答的”，对你来说可以把它当成**文献引用**一样的东西，并不属于 PDF 文件的正文内容。"
+              }
+            ]
+          }
+        ],
+        "forkedTraces": [],
+        "mergedTraces": [],
+        "activeTraceIds": [],
+        "attachedFileIds": [],
+        "response": "那一串  \n`fileciteturn0file0turn0file7`  \n\n是我用来**标注文件来源的内部引用标记（citation marker）**，含义大概是：\n\n- `filecite`：说明这是一个“文件引用”的开始  \n- `turn0file0`、`turn0file7`：指向本对话中由你上传的具体文件（第 0 轮的第 0 个文件、第 7 个文件之类的内部编号）  \n- ``：引用标记的结束符  \n\n这些标记主要是给系统用来“知道这句话是根据哪些文件内容回答的”，对你来说可以把它当成**文献引用**一样的东西，并不属于 PDF 文件的正文内容。",
+        "status": "success",
+        "inputs": 1,
+        "querySentAt": 1765415227098,
+        "responseReceivedAt": 1765415227098
+      },
+      "width": 200,
+      "height": 64
+    },
+    {
+      "id": "node_1765415275416",
+      "type": "llmNode",
+      "position": {
+        "x": 1850,
+        "y": 100
+      },
+      "data": {
+        "label": "OpenAI Citation Rendering",
+        "model": "gpt-5.1",
+        "temperature": 1,
+        "systemPrompt": "",
+        "userPrompt": "openai平时是怎么渲染这个引用字符的？我在自己搭建前端",
+        "mergeStrategy": "smart",
+        "reasoningEffort": "medium",
+        "enableGoogleSearch": true,
+        "traces": [
+          {
+            "id": "fork-node_1765320756261-1765413083937",
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+            "messages": [
+              {
+                "id": "node_1765320756261-user",
+                "role": "user",
+                "content": "testing search_files. Please search for pdf files in this conversation and count the number."
+              },
+              {
+                "id": "node_1765320756261-assistant",
+                "role": "assistant",
+                "content": "I found **1 PDF file** in this conversation: `542proposal.pdf`. "
+              },
+              {
+                "id": "node_1765413048314-user",
+                "role": "user",
+                "content": "what about now?"
+              },
+              {
+                "id": "node_1765413048314-assistant",
+                "role": "assistant",
+                "content": "There are now **2 PDF files** available in this conversation:\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415177931-user",
+                "role": "user",
+                "content": "我来多做几轮测试。现在呢？"
+              },
+              {
+                "id": "node_1765415177931-assistant",
+                "role": "assistant",
+                "content": "现在一共存在 **2 个 PDF 文件**：\n\n1. `ICLR_New (2).pdf`   \n2. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415203978-user",
+                "role": "user",
+                "content": "那么现在呢"
+              },
+              {
+                "id": "node_1765415203978-assistant",
+                "role": "assistant",
+                "content": "现在一共有 **3 个 PDF 文件**：\n\n1. `survey_on_survey (3).pdf` fileciteturn0file0turn0file7  \n2. `ICLR_New (2).pdf` fileciteturn0file1turn0file8  \n3. `542proposal.pdf` "
+              },
+              {
+                "id": "node_1765415227098-user",
+                "role": "user",
+                "content": "”fileciteturn0file0turn0file7“这一串字符是什么？"
+              },
+              {
+                "id": "node_1765415227098-assistant",
+                "role": "assistant",
+                "content": "那一串  \n`fileciteturn0file0turn0file7`  \n\n是我用来**标注文件来源的内部引用标记（citation marker）**，含义大概是：\n\n- `filecite`：说明这是一个“文件引用”的开始  \n- `turn0file0`、`turn0file7`：指向本对话中由你上传的具体文件（第 0 轮的第 0 个文件、第 7 个文件之类的内部编号）  \n- ``：引用标记的结束符  \n\n这些标记主要是给系统用来“知道这句话是根据哪些文件内容回答的”，对你来说可以把它当成**文献引用**一样的东西，并不属于 PDF 文件的正文内容。"
+              }
+            ]
+          }
+        ],
+        "outgoingTraces": [],
+        "forkedTraces": [],
+        "mergedTraces": [],
+        "activeTraceIds": [],
+        "attachedFileIds": [],
+        "response": "简单说：  \n这些 `filecite...` 不应该直接展示给用户看，前端要**拦截并自己渲染成“引用小标签”**。\n\n虽然 OpenAI 没有公开一份“官方前端实现规范”，但在 ChatGPT 里，大致是这样处理的：\n\n1. **模型返回的原始文本里带有这串标记**：  \n   `…… survey_on_survey (3).pdf fileciteturn0file0turn0file7`  \n\n2. **前端在展示前做一次解析**：  \n   - 用正则把所有 `filecite ... ` 找出来  \n   - 拆成若干个 id：`turn0file0`, `turn0file7`  \n   - 根据这些 id 去你自己的文件元数据表里拿：文件名、类型、页码链接等  \n\n3. **把这段标记替换为你想要的 UI 元素**，比如：\n   - 一个小上标的引用号：`[1]`、`[2]`  \n   - 或一个带文件名的 tag / pill：`[survey_on_survey (3).pdf]`  \n   - 鼠标 hover / 点击后弹出：**文件名 + “打开文件 / 跳转到页码”按钮**\n\n示例实现思路（伪代码）：\n\n```ts\nconst CITATION_RE = /filecite([^]+)/g;\n\nfunction renderWithCitations(text, fileMetaMap) {\n  return text.replace(CITATION_RE, (match, inner) => {\n    const ids = inner.split(\"\"); // [\"turn0file0\", \"turn0file7\"]\n    // 这里你可以把 ids 映射成编号 [1] / [2]，或直接显示文件名\n    const label = \"[\" + ids.map(id => fileMetaMap[id]?.displayIndex ?? \"?\").join(\",\") + \"]\";\n    // 实际前端中可以渲染成组件，这里用纯文本代替\n    return label;\n  });\n}\n```\n\n所以在自己搭前端时，可以按这个思路做：\n\n- 把 `filecite...` 当成**纯结构化标记**  \n- 前端负责把它转换成：**引用编号 / tag / 弹窗等 UI**  \n- 用户最终不会看到这些奇怪字符，只看到你设计的引用样式即可。",
+        "status": "success",
+        "inputs": 1,
+        "querySentAt": 1765415275416,
+        "responseReceivedAt": 1765415275416
+      },
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+      "height": 64
+    }
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\ No newline at end of file