优化标题生成功能

.opencode/tools/store_render_ref.ts

@@ -15,7 +15,9 @@ export default tool({
       .describe("Why this local render payload should be persisted as a render_ref."),
     file_path: tool.schema
       .string()
-      .describe("Absolute path to a local JSON file containing the render payload or a wrapper object with data."),
+      .describe(
+        "Absolute path to a local JSON file containing the raw render payload, or a wrapper object with data, metadata, and location. If wrapper metadata/location is missing or stale, the resolver will normalize and write it back before storing the render_ref.",
+      ),
   },
   async execute(args, context) {
     await initializePromise;

src/results/resolver.ts

@@ -1,5 +1,5 @@
 import { config } from "../config.js";
-import { readJsonFile } from "../utils/fileStore.js";
+import { atomicWriteJson, readJsonFile } from "../utils/fileStore.js";
 import {
   type ResultReferenceKind,
   type ResultReferenceRecord,
@@ -68,7 +68,15 @@ export class ResultReferenceResolver {
       throw new Error(`render payload file not found: ${filePath}`);
     }
 
-    const payload = extractRenderJunctionPayload(raw);
+    const payloadCandidate = normalizeRenderPayloadFile(raw, {
+      filePath,
+      projectId: input.projectId,
+    });
+    if (payloadCandidate.repaired) {
+      await atomicWriteJson(filePath, payloadCandidate.file);
+    }
+
+    const payload = extractRenderJunctionPayload(payloadCandidate.data);
     if (!payload) {
       throw new Error("render payload file does not contain a valid junction render payload");
     }
@@ -192,6 +200,39 @@ const normalizeDataForKind = (
   return data;
 };
 
+const normalizeRenderPayloadFile = (
+  value: unknown,
+  context: { filePath: string; projectId?: string },
+): { data: unknown; file: Record<string, unknown>; repaired: boolean } => {
+  if (!isRecord(value) || !("data" in value)) {
+    return {
+      data: value,
+      file: {
+        metadata: buildWrapperMetadata({}, value, context.projectId),
+        location: buildWrapperLocation(undefined, context.filePath),
+        data: value,
+      },
+      repaired: false,
+    };
+  }
+
+  const metadata = buildWrapperMetadata(value.metadata, value, context.projectId);
+  const location = buildWrapperLocation(value.location, context.filePath);
+  const next: Record<string, unknown> = {
+    ...value,
+    metadata,
+    location,
+  };
+
+  return {
+    data: next.data,
+    file: next,
+    repaired:
+      JSON.stringify(metadata) !== JSON.stringify(value.metadata ?? null) ||
+      JSON.stringify(location) !== JSON.stringify(value.location ?? null),
+  };
+};
+
 const unwrapReferencePayload = (value: unknown): Record<string, unknown> | null => {
   if (!isRecord(value)) {
     return null;
@@ -221,3 +262,48 @@ const projectData = (data: unknown, maxItems: number) => {
 
 const isRecord = (value: unknown): value is Record<string, unknown> =>
   typeof value === "object" && value !== null && !Array.isArray(value);
+
+const buildWrapperMetadata = (
+  value: unknown,
+  root: unknown,
+  fallbackProjectId?: string,
+) => {
+  const metadata = isRecord(value) ? { ...value } : {};
+  const source = isRecord(root) ? root : {};
+
+  if (typeof metadata.createdAt !== "string" || metadata.createdAt.trim().length === 0) {
+    const createdAt =
+      typeof source.createdAt === "string" && source.createdAt.trim().length > 0
+        ? source.createdAt.trim()
+        : new Date().toISOString();
+    metadata.createdAt = createdAt;
+  }
+
+  if (
+    typeof metadata.projectId !== "string" ||
+    metadata.projectId.trim().length === 0
+  ) {
+    const projectId =
+      typeof source.projectId === "string" && source.projectId.trim().length > 0
+        ? source.projectId.trim()
+        : fallbackProjectId;
+    if (projectId) {
+      metadata.projectId = projectId;
+    }
+  }
+
+  return metadata;
+};
+
+const buildWrapperLocation = (value: unknown, filePath: string) => {
+  if (isRecord(value)) {
+    return {
+      ...value,
+      file_path: filePath,
+    };
+  }
+
+  return {
+    file_path: filePath,
+  };
+};

src/results/store.ts

@@ -10,9 +10,11 @@ import {
   listJsonFiles,
   readJsonFile,
   removeFileIfExists,
+  toProjectKey,
 } from "../utils/fileStore.js";
 
-export const RESULT_REF_PATTERN = /^res-[a-f0-9-]{16}$/;
+export const RESULT_REF_PATTERN = /^res-[a-f0-9-]{8,64}$/;
+const RESULT_REF_FILE_PATTERN = /^(res-[a-f0-9-]{8,64})(?:\.json)?$/;
 
 export const RESULT_REFERENCE_KIND = {
   dynamicHttpResult: "dynamic-http-result",
@@ -138,12 +140,15 @@ export class ResultReferenceStore {
   }
 
   async getAuthorizedRecord(resultRef: string, context: RetrievalContext) {
-    if (!RESULT_REF_PATTERN.test(resultRef)) {
+    const normalizedResultRef = normalizeResultRef(resultRef);
+    if (!normalizedResultRef) {
       return null;
     }
 
-    const rawRecord = await readJsonFile<unknown>(this.filePath(resultRef));
+    const rawRecord = await readJsonFile<unknown>(this.filePath(normalizedResultRef));
-    const record = normalizeResultReferenceRecord(rawRecord);
+    const record =
+      normalizeResultReferenceRecord(rawRecord) ??
+      normalizeLegacyRenderReferenceRecord(rawRecord, normalizedResultRef, context);
     if (!record) {
       return null;
     }
@@ -301,6 +306,65 @@ const normalizeResultReferenceSource = (
 const isValidResultRef = (value: unknown): value is string =>
   typeof value === "string" && RESULT_REF_PATTERN.test(value);
 
+const normalizeResultRef = (value: string) => {
+  const match = value.trim().match(RESULT_REF_FILE_PATTERN);
+  return match?.[1] ?? null;
+};
+
+const normalizeLegacyRenderReferenceRecord = (
+  value: unknown,
+  resultRef: string,
+  context: RetrievalContext,
+): ResultReferenceRecord | null => {
+  const data = extractLegacyRenderPayload(value);
+  if (!data) {
+    return null;
+  }
+
+  const root = isRecord(value) ? value : {};
+  const metadata = isRecord(root.metadata) ? root.metadata : {};
+  const projectId = firstNonEmptyString(root.projectId, metadata.projectId);
+  const createdAt =
+    firstNonEmptyString(root.createdAt, metadata.createdAt) ?? new Date().toISOString();
+
+  return {
+    resultRef,
+    actorKey: context.actorKey,
+    clientSessionId: context.clientSessionId ?? "",
+    createdAt,
+    data,
+    kind: RESULT_REFERENCE_KIND.renderJunctionsPayload,
+    preview: buildPreview(data),
+    projectId,
+    projectKey: toProjectKey(projectId),
+    schemaVersion: 1,
+    sessionId: context.clientSessionId ?? resultRef,
+    sizeBytes: estimateBytes(data),
+    source: RESULT_REFERENCE_SOURCE.legacy,
+    traceId: "legacy-render-ref",
+  };
+};
+
+const extractLegacyRenderPayload = (value: unknown) => {
+  if (!isRecord(value)) {
+    return null;
+  }
+  const candidate = isRecord(value.data) ? value.data : value;
+  if (!isRecord(candidate.node_area_map)) {
+    return null;
+  }
+  return candidate;
+};
+
+const firstNonEmptyString = (...values: unknown[]) => {
+  for (const value of values) {
+    if (typeof value === "string" && value.trim().length > 0) {
+      return value.trim();
+    }
+  }
+  return undefined;
+};
+
 const isResultPreview = (value: unknown): value is ResultPreview =>
   isRecord(value) &&
   typeof value.count === "number" &&

src/routes/chat.ts

@@ -564,6 +564,7 @@ export const buildChatRouter = (
           if (shouldGenerateTitle) {
             sessionTitle = await generateSessionTitle(runtime, {
               sessionId: binding.sessionId,
+              latestAssistantMessage: assistantText,
               latestUserMessage: parsed.data.message,
               fallbackTitle: existingSessionTitle,
             });

src/routes/chatSession.ts

@@ -12,15 +12,29 @@ const TITLE_CONTEXT_MESSAGE_CHAR_LIMIT = 240;
 const RESTORE_TURN_LIMIT = 8;
 const RESTORE_MESSAGE_CHAR_LIMIT = 480;
 const RESTORE_CONTEXT_CHAR_LIMIT = 3200;
+const DEFAULT_SESSION_TITLE = "新对话";
 
 const buildSessionTitle = (message: string) => {
   const normalized = message.replace(/\s+/g, " ").trim();
   if (!normalized) {
-    return "新对话";
+    return DEFAULT_SESSION_TITLE;
   }
   return normalized.length > 24 ? `${normalized.slice(0, 24)}...` : normalized;
 };
 
+const appendTitleContextMessage = (
+  lines: string[],
+  role: "用户" | "助手",
+  content: string | undefined,
+  maxLength = TITLE_CONTEXT_MESSAGE_CHAR_LIMIT,
+) => {
+  const normalized = content?.replace(/\s+/g, " ").trim();
+  if (!normalized) {
+    return;
+  }
+  lines.push(`${role}：${normalized.slice(0, maxLength)}`);
+};
+
 const buildTitleConversationContext = async (
   runtime: OpencodeRuntimeAdapter,
   sessionId: string,
@@ -67,7 +81,9 @@ const buildTitleConversationContext = async (
 const normalizeGeneratedTitle = (rawTitle: string, fallback: string) => {
   const normalized = rawTitle
     .replace(/\s+/g, " ")
+    .replace(/^标题[:：]\s*/i, "")
     .replace(/["'“”‘’`]/g, "")
+    .replace(/[。！？!?,，、；;：:]+$/g, "")
     .trim();
   if (!normalized) {
     return fallback;
@@ -85,13 +101,24 @@ export const generateSessionTitle = async (
   options: {
     sessionId: string;
     latestUserMessage: string;
+    latestAssistantMessage?: string;
     fallbackTitle?: string;
   },
 ) => {
-  const fallback = options.fallbackTitle?.trim() || buildSessionTitle(options.latestUserMessage);
+  const fallbackTitle = options.fallbackTitle?.trim();
+  const fallback =
+    fallbackTitle && fallbackTitle !== DEFAULT_SESSION_TITLE
+      ? fallbackTitle
+      : buildSessionTitle(options.latestUserMessage);
   let titleSessionId: string | undefined;
   try {
-    const conversation = await buildTitleConversationContext(runtime, options.sessionId);
+    const scopedContext: string[] = [];
+    appendTitleContextMessage(scopedContext, "用户", options.latestUserMessage, 480);
+    appendTitleContextMessage(scopedContext, "助手", options.latestAssistantMessage, 960);
+    const conversation =
+      scopedContext.length > 0
+        ? scopedContext.join("\n")
+        : await buildTitleConversationContext(runtime, options.sessionId);
     if (!conversation) {
       return fallback;
     }
@@ -104,8 +131,9 @@ export const generateSessionTitle = async (
         [
           "你是会话标题生成器。",
           "请根据下面整段多轮对话生成一个 8-16 字中文标题。",
-          "要求：简洁、可读、避免标点、不要引号、不要解释。",
+          "要求：简洁、具体、可读、避免标点、不要引号、不要解释。",
-          "先理解完整对话，再概括核心任务或结论。",
+          "优先概括用户当前真实需求和助手最终结论。",
+          "忽略系统提示、历史记忆、学习上下文、工具日志等元信息。",
           "不要直接照抄用户任一条消息原文。",
           "只输出标题本身。",
           "",

tests/results/store.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it } from "bun:test";
-import { mkdtemp, rm, writeFile } from "node:fs/promises";
+import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 
@@ -177,6 +177,13 @@ describe("ResultReferenceResolver", () => {
       filePath,
       JSON.stringify(
         {
+          metadata: {
+            createdAt: "2026-05-21T00:00:00.000Z",
+            projectId: "project-3",
+          },
+          location: {
+            file_path: filePath,
+          },
           data: {
             node_area_map: {
               J1: "DMA-1",
@@ -232,4 +239,179 @@ describe("ResultReferenceResolver", () => {
       },
     });
   });
+
+  it("repairs wrapper files that omit metadata and location", async () => {
+    const filePath = join(tempDir, "render-wrapper-missing-fields.json");
+    await writeFile(
+      filePath,
+      JSON.stringify(
+        {
+          data: {
+            node_area_map: {
+              J1: "DMA-1",
+            },
+          },
+          createdAt: "2026-05-21T00:00:00.000Z",
+        },
+        null,
+        2,
+      ),
+      "utf8",
+    );
+
+    const record = await resolver.registerRenderPayloadFile(filePath, {
+      actorKey: "actor-4",
+      clientSessionId: "client-4",
+      projectId: "project-4",
+      projectKey: "project-key-4",
+      sessionId: "session-4",
+      source: RESULT_REFERENCE_SOURCE.migration,
+      traceId: "trace-4",
+    });
+
+    expect(record.kind).toBe(RESULT_REFERENCE_KIND.renderJunctionsPayload);
+
+    const repaired = JSON.parse(await readFile(filePath, "utf8")) as {
+      metadata?: Record<string, unknown>;
+      location?: Record<string, unknown>;
+    };
+
+    expect(repaired.metadata).toEqual({
+      createdAt: "2026-05-21T00:00:00.000Z",
+      projectId: "project-4",
+    });
+    expect(repaired.location).toEqual({
+      file_path: filePath,
+    });
+  });
+
+  it("repairs wrapper files whose location points elsewhere", async () => {
+    const filePath = join(tempDir, "render-wrapper-wrong-location.json");
+    await writeFile(
+      filePath,
+      JSON.stringify(
+        {
+          metadata: {
+            createdAt: "2026-05-21T00:00:00.000Z",
+          },
+          location: {
+            file_path: "/tmp/elsewhere.json",
+            source: "legacy",
+          },
+          data: {
+            node_area_map: {
+              J1: "DMA-1",
+            },
+          },
+        },
+        null,
+        2,
+      ),
+      "utf8",
+    );
+
+    await resolver.registerRenderPayloadFile(filePath, {
+        actorKey: "actor-4",
+        clientSessionId: "client-4",
+        projectId: "project-4",
+        projectKey: "project-key-4",
+        sessionId: "session-4",
+        source: RESULT_REFERENCE_SOURCE.migration,
+        traceId: "trace-4",
+      });
+
+    const repaired = JSON.parse(await readFile(filePath, "utf8")) as {
+      metadata?: Record<string, unknown>;
+      location?: Record<string, unknown>;
+    };
+
+    expect(repaired.metadata).toEqual({
+      createdAt: "2026-05-21T00:00:00.000Z",
+      projectId: "project-4",
+    });
+    expect(repaired.location).toEqual({
+      file_path: filePath,
+      source: "legacy",
+    });
+  });
+
+  it("resolves legacy render payload files when callers include the json suffix", async () => {
+    const legacyRef = "res-c2fcee33-577e";
+    await writeFile(
+      join(tempDir, `${legacyRef}.json`),
+      JSON.stringify(
+        {
+          data: {
+            node_area_map: {
+              J1: "DMA-1",
+              J2: 2,
+            },
+            area_ids: ["DMA-1"],
+          },
+          createdAt: "2026-05-21T00:00:00.000Z",
+          projectId: "project-legacy-render",
+        },
+        null,
+        2,
+      ),
+      "utf8",
+    );
+
+    const result = await resolver.getFullAuthorized(
+      `${legacyRef}.json`,
+      {
+        actorKey: "actor-legacy-render",
+        clientSessionId: "chat-legacy-render",
+        projectId: "project-legacy-render",
+      },
+      {
+        expectedKind: RESULT_REFERENCE_KIND.renderJunctionsPayload,
+      },
+    );
+
+    expect(result?.result_ref).toBe(legacyRef);
+    expect(result?.kind).toBe(RESULT_REFERENCE_KIND.renderJunctionsPayload);
+    expect(result?.source).toBe(RESULT_REFERENCE_SOURCE.legacy);
+    expect(result?.data).toEqual({
+      node_area_map: {
+        J1: "DMA-1",
+        J2: "2",
+      },
+      area_ids: ["DMA-1"],
+    });
+  });
+
+  it("keeps legacy render payload files scoped to their project", async () => {
+    const legacyRef = "res-dddddddddddddddd";
+    await writeFile(
+      join(tempDir, `${legacyRef}.json`),
+      JSON.stringify(
+        {
+          data: {
+            node_area_map: {
+              J1: "DMA-1",
+            },
+          },
+          projectId: "project-allowed",
+        },
+        null,
+        2,
+      ),
+      "utf8",
+    );
+
+    const result = await resolver.getFullAuthorized(
+      legacyRef,
+      {
+        actorKey: "actor-legacy-render",
+        clientSessionId: "chat-legacy-render",
+        projectId: "project-denied",
+      },
+      {
+        expectedKind: RESULT_REFERENCE_KIND.renderJunctionsPayload,
+      },
+    );
+
+    expect(result).toBeNull();
+  });
 });

tests/routes/chatSession.test.ts

@@ -1,6 +1,10 @@
 import { describe, expect, it } from "bun:test";
 
-import { shouldGenerateSessionTitle } from "../../src/routes/chatSession.js";
+import {
+  generateSessionTitle,
+  shouldGenerateSessionTitle,
+} from "../../src/routes/chatSession.js";
+import { type OpencodeRuntimeAdapter } from "../../src/runtime/opencode.js";
 
 describe("shouldGenerateSessionTitle", () => {
   it("allows auto-title generation for the first turn when the title was not edited", () => {
@@ -36,3 +40,34 @@ describe("shouldGenerateSessionTitle", () => {
     ).toBe(false);
   });
 });
+
+describe("generateSessionTitle", () => {
+  it("uses the current user and assistant turn instead of reading wrapped runtime context", async () => {
+    let titlePrompt = "";
+    const runtime = {
+      createSession: async () => ({ id: "title-session" }),
+      prompt: async (_sessionId: string, prompt: string) => {
+        titlePrompt = prompt;
+      },
+      waitForSessionIdle: async () => undefined,
+      messages: async () => [
+        {
+          info: { role: "assistant" },
+          parts: [{ type: "text", text: "标题：泵站压力异常排查。" }],
+        },
+      ],
+      abortSession: async () => undefined,
+    } as unknown as OpencodeRuntimeAdapter;
+
+    const title = await generateSessionTitle(runtime, {
+      sessionId: "chat-session",
+      latestUserMessage: "检查一下三号泵站最近压力波动的原因",
+      latestAssistantMessage: "三号泵站压力波动主要与夜间阀门开度变化有关。",
+      fallbackTitle: "新对话",
+    });
+
+    expect(title).toBe("泵站压力异常排查");
+    expect(titlePrompt).toContain("用户：检查一下三号泵站最近压力波动的原因");
+    expect(titlePrompt).toContain("助手：三号泵站压力波动主要与夜间阀门开度变化有关。");
+  });
+});