Agent: unify bootstrap truncation warning handling (#32769)

Merged via squash.

Prepared head SHA: 5d6d4ddfa6
Co-authored-by: gumadeiras <5599352+gumadeiras@users.noreply.github.com>
Co-authored-by: gumadeiras <5599352+gumadeiras@users.noreply.github.com>
Reviewed-by: @gumadeiras

src/commands/agent/session-store.test.ts

@@ -63,4 +63,65 @@ describe("updateSessionStoreAfterAgentRun", () => {
     expect(persisted?.acp).toBeDefined();
     expect(staleInMemory[sessionKey]?.acp).toBeDefined();
   });
+
+  it("persists latest systemPromptReport for downstream warning dedupe", async () => {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-store-"));
+    const storePath = path.join(dir, "sessions.json");
+    const sessionKey = `agent:codex:report:${randomUUID()}`;
+    const sessionId = randomUUID();
+
+    const sessionStore: Record<string, SessionEntry> = {
+      [sessionKey]: {
+        sessionId,
+        updatedAt: Date.now(),
+      },
+    };
+    await fs.writeFile(storePath, JSON.stringify(sessionStore, null, 2), "utf8");
+
+    const report = {
+      source: "run" as const,
+      generatedAt: Date.now(),
+      bootstrapTruncation: {
+        warningMode: "once" as const,
+        warningSignaturesSeen: ["sig-a", "sig-b"],
+      },
+      systemPrompt: {
+        chars: 1,
+        projectContextChars: 1,
+        nonProjectContextChars: 0,
+      },
+      injectedWorkspaceFiles: [],
+      skills: { promptChars: 0, entries: [] },
+      tools: { listChars: 0, schemaChars: 0, entries: [] },
+    };
+
+    await updateSessionStoreAfterAgentRun({
+      cfg: {} as never,
+      sessionId,
+      sessionKey,
+      storePath,
+      sessionStore,
+      defaultProvider: "openai",
+      defaultModel: "gpt-5.3-codex",
+      result: {
+        payloads: [],
+        meta: {
+          agentMeta: {
+            provider: "openai",
+            model: "gpt-5.3-codex",
+          },
+          systemPromptReport: report,
+        },
+      } as never,
+    });
+
+    const persisted = loadSessionStore(storePath, { skipCache: true })[sessionKey];
+    expect(persisted?.systemPromptReport?.bootstrapTruncation?.warningSignaturesSeen).toEqual([
+      "sig-a",
+      "sig-b",
+    ]);
+    expect(sessionStore[sessionKey]?.systemPromptReport?.bootstrapTruncation?.warningMode).toBe(
+      "once",
+    );
+  });
 });

src/commands/agent/session-store.ts

@@ -76,6 +76,9 @@ export async function updateSessionStoreAfterAgentRun(params: {
     }
   }
   next.abortedLastRun = result.meta.aborted ?? false;
+  if (result.meta.systemPromptReport) {
+    next.systemPromptReport = result.meta.systemPromptReport;
+  }
   if (hasNonzeroUsage(usage)) {
     const input = usage.input ?? 0;
     const output = usage.output ?? 0;