diff --git a/packages/adapters/claude-local/src/server/acp.limit.test.ts b/packages/adapters/claude-local/src/server/acp.limit.test.ts
new file mode 100644
index 0000000000..1a0c7dd027
--- /dev/null
+++ b/packages/adapters/claude-local/src/server/acp.limit.test.ts
@@ -0,0 +1,82 @@
+import { describe, expect, it } from "vitest";
+import type { AdapterExecutionResult } from "@paperclipai/adapter-utils";
+import { mapClaudeAcpLimitErrorCode } from "./acp.js";
+
+function turnFailure(overrides: Partial<AdapterExecutionResult> = {}): AdapterExecutionResult {
+  return {
+    exitCode: 1,
+    signal: null,
+    timedOut: false,
+    errorCode: "acpx_turn_failed",
+    errorMessage: null,
+    resultJson: { phase: "turn" },
+    ...overrides,
+  };
+}
+
+describe("mapClaudeAcpLimitErrorCode", () => {
+  it("classifies a session-limit turn failure as provider_quota with the parsed reset time", () => {
+    const now = new Date("2026-09-10T03:18:53.000Z"); // 10:18 in Asia/Bangkok (UTC+7)
+    const result = mapClaudeAcpLimitErrorCode(
+      turnFailure({
+        errorMessage: "Internal error: You've hit your session limit · resets 1:30pm (Asia/Bangkok)",
+      }),
+      now,
+    );
+    expect(result.errorCode).toBe("provider_quota");
+    expect(result.errorFamily).toBe("provider_quota");
+    // 1:30pm Asia/Bangkok = 06:30 UTC, same day (still ahead of `now`).
+    expect(result.retryNotBefore).toBe("2026-09-10T06:30:00.000Z");
+    expect(result.resultJson).toMatchObject({
+      phase: "turn",
+      errorFamily: "provider_quota",
+      retryNotBefore: "2026-09-10T06:30:00.000Z",
+      transientRetryNotBefore: "2026-09-10T06:30:00.000Z",
+      providerQuotaRetryNotBefore: "2026-09-10T06:30:00.000Z",
+    });
+  });
+
+  it("classifies a weekly-limit turn failure as provider_quota", () => {
+    const result = mapClaudeAcpLimitErrorCode(
+      turnFailure({
+        errorMessage: "Internal error: You've hit your weekly limit · resets 4pm (America/Chicago)",
+      }),
+      new Date("2026-09-10T03:00:00.000Z"),
+    );
+    expect(result.errorCode).toBe("provider_quota");
+    expect(result.retryNotBefore).toBe("2026-09-10T21:00:00.000Z"); // 4pm CDT = 21:00 UTC
+  });
+
+  it("keeps the quota classification when the message states no reset time", () => {
+    const result = mapClaudeAcpLimitErrorCode(
+      turnFailure({ errorMessage: "Claude usage limit reached." }),
+    );
+    expect(result.errorCode).toBe("provider_quota");
+    expect(result.retryNotBefore).toBeUndefined();
+    expect(result.resultJson).toMatchObject({ errorFamily: "provider_quota" });
+  });
+
+  it("leaves non-limit turn failures untouched", () => {
+    const input = turnFailure({ errorMessage: "Internal error: something else entirely" });
+    expect(mapClaudeAcpLimitErrorCode(input)).toBe(input);
+  });
+
+  it("leaves other error codes untouched even when the message mentions a limit", () => {
+    const input = turnFailure({
+      errorCode: "acpx_runtime_error",
+      errorMessage: "You've hit your session limit · resets 2pm (Asia/Bangkok)",
+    });
+    expect(mapClaudeAcpLimitErrorCode(input)).toBe(input);
+  });
+
+  it("never classifies from transcript noise: only the error surface is read", () => {
+    const input = turnFailure({
+      errorMessage: "Internal error: unrelated failure",
+      resultJson: {
+        phase: "turn",
+        stdout: "the agent transcript casually mentions: you've hit your session limit · resets 9am",
+      },
+    });
+    expect(mapClaudeAcpLimitErrorCode(input)).toBe(input);
+  });
+});
diff --git a/packages/adapters/claude-local/src/server/acp.ts b/packages/adapters/claude-local/src/server/acp.ts
index b9f8724215..96b91e9096 100644
--- a/packages/adapters/claude-local/src/server/acp.ts
+++ b/packages/adapters/claude-local/src/server/acp.ts
@@ -42,6 +42,11 @@ import {
   prepareClaudeConfigSeed,
   prepareSandboxClaudeProbeRuntime,
 } from "./claude-config.js";
+import {
+  extractClaudeRetryNotBefore,
+  isClaudeProviderQuotaError,
+  isClaudeTransientUpstreamError,
+} from "./parse.js";
 import {
   buildAdapterTestTargetCheck,
   buildClaudeLoginRequiredHint,
@@ -339,6 +344,57 @@ export function mapClaudeAcpAuthErrorCode(
   return { ...result, errorCode: CLAUDE_AUTH_REQUIRED_ERROR_CODE };
 }
 
+/**
+ * The generic error code the shared acpx engine emits when the provider turn
+ * fails. Claude limit exhaustion ("You've hit your session limit · resets
+ * 1:30pm (Asia/Bangkok)") surfaces this way on the ACP lane, so without a
+ * Claude-specific translation the recovery sweep cannot classify it as a
+ * quota wait and strands the issue in `blocked` ("No live execution path").
+ */
+const ACPX_TURN_FAILED_ERROR_CODE = "acpx_turn_failed";
+
+/**
+ * Translate a generic acpx turn failure into the same limit classification the
+ * Claude CLI lane already emits (`execute.ts`): `provider_quota` /
+ * `claude_transient_upstream` plus the parsed `retryNotBefore` reset time, in
+ * both the result fields and the `resultJson` keys the server recovery sweep
+ * reads (`retryNotBefore`, `transientRetryNotBefore`,
+ * `providerQuotaRetryNotBefore`). Classification deliberately reads only the
+ * run's error surface (`errorMessage`), never the transcript/stdout, which
+ * routinely *mentions* limits it is merely talking about.
+ */
+export function mapClaudeAcpLimitErrorCode(
+  result: AdapterExecutionResult,
+  now = new Date(),
+): AdapterExecutionResult {
+  if (result.errorCode !== ACPX_TURN_FAILED_ERROR_CODE) return result;
+  const surface = { errorMessage: result.errorMessage ?? null };
+  const providerQuota = isClaudeProviderQuotaError(surface);
+  const transientUpstream = !providerQuota && isClaudeTransientUpstreamError(surface);
+  if (!providerQuota && !transientUpstream) return result;
+  const retryNotBefore = extractClaudeRetryNotBefore(surface, now);
+  const iso = retryNotBefore ? retryNotBefore.toISOString() : null;
+  const errorFamily = providerQuota ? "provider_quota" as const : "transient_upstream" as const;
+  const priorResultJson = parseObject(result.resultJson);
+  return {
+    ...result,
+    errorCode: providerQuota ? "provider_quota" : "claude_transient_upstream",
+    errorFamily,
+    ...(iso ? { retryNotBefore: iso } : {}),
+    resultJson: {
+      ...priorResultJson,
+      errorFamily,
+      ...(iso
+        ? {
+            retryNotBefore: iso,
+            transientRetryNotBefore: iso,
+            ...(providerQuota ? { providerQuotaRetryNotBefore: iso } : {}),
+          }
+        : {}),
+    },
+  };
+}
+
 export function createClaudeAcpExecutor(options: ClaudeAcpExecutorOptions = {}): ClaudeAcpExecutor {
   let executor: ClaudeAcpExecutor | null = null;
   return async (ctx) => {
@@ -356,7 +412,7 @@ export function createClaudeAcpExecutor(options: ClaudeAcpExecutorOptions = {}):
       ...ctx,
       config: buildClaudeAcpConfig(ctx.config, target?.kind === "remote" ? {} : process.env),
     });
-    return mapClaudeAcpAuthErrorCode(result);
+    return mapClaudeAcpLimitErrorCode(mapClaudeAcpAuthErrorCode(result));
   };
 }