更新memory读取机制，新增前需要先list阅读已有的内容

src/learning/orchestrator.ts

@@ -240,9 +240,10 @@ export class LearningOrchestrator {
       traceId: input.requestContext.traceId,
     });
     try {
+      const existingMemory = await this.loadMemoryContext(input.requestContext);
       await this.runtime.prompt(
         reviewSession.id,
-        buildReviewPrompt({ focus, recentTurns }),
+        buildReviewPrompt({ existingMemory, focus, recentTurns }),
         toRuntimeModel(input.model),
       );
       const messages = await this.runtime.messages(reviewSession.id, 20);
@@ -312,6 +313,14 @@ export class LearningOrchestrator {
     });
   }
 
+  private async loadMemoryContext(context: ChatRequestContext) {
+    const [userMemory, workspaceMemory] = await Promise.all([
+      this.memoryStore.list("user", context.actorKey),
+      this.memoryStore.list("workspace", context.projectKey),
+    ]);
+    return { userMemory, workspaceMemory };
+  }
+
   private async applyMemoryProposal(
     input: TurnReviewInput,
     proposal: ReviewResult["memories"][number],
@@ -440,9 +449,14 @@ const buildGatePrompt = ({ recentTurns }: { recentTurns: SessionTurnRecord[] })
 };
 
 const buildReviewPrompt = ({
+  existingMemory,
   focus,
   recentTurns,
 }: {
+  existingMemory: {
+    userMemory: Array<{ content: string; id: string }>;
+    workspaceMemory: Array<{ content: string; id: string }>;
+  };
   focus: GateResult["focus"];
   recentTurns: SessionTurnRecord[];
 }) => {
@@ -452,6 +466,16 @@ const buildReviewPrompt = ({
         `Turn ${index + 1}\nUser: ${turn.userMessage}\nAssistant: ${turn.assistantMessage}\nTool calls: ${turn.toolCallCount}`,
     )
     .join("\n\n");
+  const userMemoryBlock =
+    existingMemory.userMemory.length > 0
+      ? existingMemory.userMemory.map((entry) => `- [${entry.id}] ${entry.content}`).join("\n")
+      : "(empty)";
+  const workspaceMemoryBlock =
+    existingMemory.workspaceMemory.length > 0
+      ? existingMemory.workspaceMemory
+          .map((entry) => `- [${entry.id}] ${entry.content}`)
+          .join("\n")
+      : "(empty)";
   return [
     "You are doing an internal self-improvement review for TJWaterAgent.",
     "Do NOT call any tools. Return JSON only. Do NOT wrap in markdown fences.",
@@ -462,8 +486,17 @@ const buildReviewPrompt = ({
     "- Keep only stable user preferences, durable constraints, or stable workspace facts.",
     "- Use scope='user' for user preferences and constraints.",
     "- Use scope='workspace' for project or environment facts.",
+    "- Read the existing memories first before proposing changes.",
+    "- If a new lesson overlaps, refines, or supersedes an existing memory, prefer replace/remove using target_id instead of add.",
+    "- Use add only when the lesson is genuinely new after reviewing the existing memory list.",
     "- Do not store one-off task outcomes, temporary facts, or speculative conclusions.",
     "",
+    "Current persisted memories:",
+    "[User memory]",
+    userMemoryBlock,
+    "[Workspace memory]",
+    workspaceMemoryBlock,
+    "",
     "Skill rules:",
     "- Save only reusable workflows, methods, or pitfalls that will help in future similar tasks.",
     "- Prefer append_pattern for concise reusable lessons.",