diff --git a/package-lock.json b/package-lock.json
index 9bb4d53d..ade36f6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,8 @@
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@@ -18,12 +18,12 @@
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-        "@anthropic-ai/sdk": "0.135.0",
+        "@anthropic-ai/sdk": "1.1.0",
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@@ -39,31 +39,31 @@
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-        "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.303"
+        "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.309",
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+        "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.309",
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@@ -72,9 +72,9 @@
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@@ -85,9 +85,9 @@
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@@ -98,12 +98,15 @@
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@@ -111,12 +114,15 @@
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@@ -124,12 +130,15 @@
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@@ -137,12 +146,15 @@
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@@ -150,9 +162,9 @@
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     "node_modules/@typescript-eslint/types": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.71.2.tgz",
-      "integrity": "sha512-y5Ukl3oVp7e/VGxqIoEXoeb/Roj71PAJ4WG/N/RGj+eeDvKRLM15kGr9MijLbN0i03S52zxu31Z98E5gWChJKw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.72.0.tgz",
+      "integrity": "sha512-Adfoy59kxNEjT5E5fnyrp7GpHYuWs8ONbdohu4ez6IU46qDq8LltG90tLmkucZB2uhYL8mqBjtXqGd8yhfjXqQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -1069,16 +1081,16 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.71.2.tgz",
-      "integrity": "sha512-DgNOEsl4pdYzwSL+N/Cl33tX1Hlw3FvId73LnKXfq7jnrF2viOEn7X+P7RBkkSWCVm92gnWd28GIC5vJuLREeA==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.72.0.tgz",
+      "integrity": "sha512-gwLfFgWcw15tN2KXDCJvxEOQjPn+P3j/n3eSqkZ5sX4VpW9Cosodr+tWwBZRvJT3TcKx6HnPRGZMCNAiP1Xhug==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/project-service": "8.71.2",
-        "@typescript-eslint/tsconfig-utils": "8.71.2",
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/visitor-keys": "8.71.2",
+        "@typescript-eslint/project-service": "8.72.0",
+        "@typescript-eslint/tsconfig-utils": "8.72.0",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/visitor-keys": "8.72.0",
         "debug": "^4.4.3",
         "minimatch": "^10.2.2",
         "semver": "^7.7.3",
@@ -1097,16 +1109,16 @@
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.71.2.tgz",
-      "integrity": "sha512-RyKa1G1M9rKHDhrk+HJtiF1MvLD5Ux2JW3TSkzw+02pRALdpJb+QzG1Y5em+LvCgzGwgg8H7mBRFKljNz7ImPw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.72.0.tgz",
+      "integrity": "sha512-0up3oArJZBYnzOaEXKo8DmI43QvMZyPoFEt9LWzRJcyl/RcJjfKKPebknN1VbTgXBf3M/KggUh5uUMdURLnseg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.9.1",
-        "@typescript-eslint/scope-manager": "8.71.2",
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/typescript-estree": "8.71.2"
+        "@typescript-eslint/scope-manager": "8.72.0",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -1121,13 +1133,13 @@
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.71.2.tgz",
-      "integrity": "sha512-zozlN0UA32bSG2zkKAgQyRYSbEISVoyU6vvkKYo2aSny74D8Jh4e+POkJ6Lk0dlezZi5x7TtD+88Xb06IB8nhg==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.72.0.tgz",
+      "integrity": "sha512-E2mroviasaWecDzTGiGMtuEguuLVOeRggnrIn93CJuxYJzQBHbyymlT08aVQydbBal5538o+JkBKXh2sRuCyIA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.71.2",
+        "@typescript-eslint/types": "8.72.0",
         "eslint-visitor-keys": "^5.0.0"
       },
       "engines": {
diff --git a/package.json b/package.json
index 96b7300d..e3114df3 100644
--- a/package.json
+++ b/package.json
@@ -65,18 +65,18 @@
     "node": ">=22"
   },
   "dependencies": {
-    "@agentclientprotocol/sdk": "2.0.0",
-    "@anthropic-ai/claude-agent-sdk": "0.3.303",
+    "@agentclientprotocol/sdk": "2.0.1",
+    "@anthropic-ai/claude-agent-sdk": "0.3.309",
     "diff": "9.0.0",
     "zod": "4.6.7"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "0.135.0",
+    "@anthropic-ai/sdk": "1.1.0",
     "@eslint/js": "10.0.1",
     "@tsconfig/node22": "22.0.6",
     "@types/node": "26.6.5",
-    "@typescript-eslint/eslint-plugin": "8.71.2",
-    "@typescript-eslint/parser": "8.71.2",
+    "@typescript-eslint/eslint-plugin": "8.72.0",
+    "@typescript-eslint/parser": "8.72.0",
     "ajv": "8.20.0",
     "ajv-formats": "3.0.1",
     "eslint": "10.13.0",
diff --git a/src/acp-agent.ts b/src/acp-agent.ts
index e9049160..289b1bd6 100644
--- a/src/acp-agent.ts
+++ b/src/acp-agent.ts
@@ -5876,9 +5876,28 @@ export class ClaudeAcpAgent {
         // turn activation and settlement stay driven by echoes/results/idle.
         // (Raw-mode emission above still forwards these frames.)
         if ((message as { type: string }).type === "command_lifecycle") {
-          const frame = message as unknown as { command_uuid: string; state: string };
+          const frame = message as unknown as {
+            command_uuid: string;
+            state: string;
+            wakeup_source?: string;
+            scheduled_for?: number;
+          };
           switch (frame.state) {
             case "started": {
+              // CLIs 2.1.307+ (capability lifecycle_wakeup_source_v1) mark a
+              // command that a scheduler fire started. With no prompt of ours
+              // open, it starts an autonomous turn: name the fire as its cause,
+              // whether `session_state_changed` already opened the task or not.
+              const cause = scheduledFireCause(frame);
+              if (
+                cause &&
+                asyncTasks.enabled &&
+                !session.cancelled &&
+                !session.activeTurn &&
+                !firstUnsettledQueuedTurn()
+              ) {
+                await asyncTasks.autonomousTurnStarted(cause);
+              }
               // Remember dispatch on the live turn so a cancel() that orphans
               // it seeds the right state (see Turn.commandStarted)...
               const queued = findUnsettledTurn(frame.command_uuid);
@@ -13973,3 +13992,29 @@ function getMatchingModelUsage(modelUsage: Record<string, ModelUsage>, currentMo
     return { key: bestKey, usage: modelUsage[bestKey] };
   }
 }
+
+/**
+ * What a `command_lifecycle` "started" frame says started the command: a
+ * ScheduleWakeup (dynamic `/loop`) wakeup, with the time it was set for in
+ * epoch milliseconds, or another scheduled task such as a cron job. Undefined
+ * for any other command, and for a value this adapter does not know. The time
+ * is given in UTC because the agent does not know the client's time zone.
+ */
+function scheduledFireCause(frame: {
+  wakeup_source?: string;
+  scheduled_for?: number;
+}): string | undefined {
+  switch (frame.wakeup_source) {
+    case "loop_wakeup": {
+      const scheduledFor =
+        typeof frame.scheduled_for === "number" ? new Date(frame.scheduled_for) : undefined;
+      return scheduledFor && !Number.isNaN(scheduledFor.getTime())
+        ? `A scheduled wakeup fired (set for ${scheduledFor.toISOString()}).`
+        : "A scheduled wakeup fired.";
+    }
+    case "schedule_wakeup":
+      return "A scheduled task fired.";
+    default:
+      return undefined;
+  }
+}
diff --git a/src/async-tasks.ts b/src/async-tasks.ts
index fb859f69..3c390dc6 100644
--- a/src/async-tasks.ts
+++ b/src/async-tasks.ts
@@ -458,18 +458,25 @@ export class AsyncTaskRuntime {
    * example to answer a task notification. ACP v1 has no session state, and
    * the client already got the stop reason of its last prompt, so this task is
    * the only sign that the agent works. The tool calls of the turn are in the
-   * transcript already, so the task is not shown there. Does nothing while
-   * such a task is open.
+   * transcript already, so the task is not shown there.
+   *
+   * [cause] names what started the turn when Claude Code says so, for example
+   * "A scheduled wakeup fired." It replaces the description of a task that is
+   * already open; without it, an open task is left as it is.
    */
-  async autonomousTurnStarted(): Promise<void> {
-    if (!this.enabled || this.autonomousTurn) return;
+  async autonomousTurnStarted(cause?: string): Promise<void> {
+    if (!this.enabled) return;
+    if (this.autonomousTurn) {
+      if (cause) await this.publishProgress(this.autonomousTurn, { description: cause });
+      return;
+    }
     const task = this.task(`autonomous-turn-${randomUUID()}`);
     task.autonomousTurn = true;
     task.startedObserved = true;
     task.name = "Claude is working";
     task.taskType = "turn";
     task.description =
-      this.lastNotificationSummary ?? "Claude Code started a turn without a prompt.";
+      cause ?? this.lastNotificationSummary ?? "Claude Code started a turn without a prompt.";
     task.showInTranscript = false;
     this.lastNotificationSummary = undefined;
     this.autonomousTurn = task;
diff --git a/src/subagent-history.ts b/src/subagent-history.ts
index 26fc00f0..d807ab7a 100644
--- a/src/subagent-history.ts
+++ b/src/subagent-history.ts
@@ -292,9 +292,13 @@ function isForkDirectiveMessage(message: { type?: unknown; message?: unknown }):
  * The transcript of a `subagent_type: "fork"` child without the context it
  * inherited. A fork transcript starts with a copy of the parent's launching
  * assistant message (its text, thinking and every tool_use, including the
- * Agent call itself), then a user message with a "Fork started — processing
- * in background" tool_result for each of those tool_uses and the text
- * `<fork-boilerplate>…</fork-boilerplate>\nYour directive: <prompt>`. A fork
+ * Agent call itself), then a user message with a placeholder tool_result for
+ * each of those tool_uses and the text
+ * `<fork-boilerplate>…</fork-boilerplate>\nYour directive: <prompt>`. Since
+ * Claude Code 2.1.307 the fork's own Agent call gets "Fork started — that fork
+ * is you." and the other tool_uses get "This is the parent's call, not
+ * yours. …"; before that, every one got "Fork started — processing in
+ * background". Only the directive text is matched here. A fork
  * launched from inside a subagent also gets a copy of that subagent's history
  * before them. None of it is the child's own work: replayed as is, the
  * parent's text and tool calls would show again in the child.
diff --git a/src/tests/acp-agent.test.ts b/src/tests/acp-agent.test.ts
index 95e63bed..41c196d3 100644
--- a/src/tests/acp-agent.test.ts
+++ b/src/tests/acp-agent.test.ts
@@ -2269,6 +2269,57 @@ describe("usage Markdown", () => {
     expect(formatted).not.toContain("lowest");
   });
 
+  it("renders each window's recommendations in order, escaped, before its MCP table", () => {
+    const formatted = formatUsageResponse({
+      ...usageResponse,
+      behaviors: {
+        ...usageResponse.behaviors,
+        day: {
+          ...usageResponse.behaviors.day,
+          recommendations: [
+            { key: "mcp_server", pct: 41, title: "Disable my_server", detail: "/mcp" },
+            { key: "effort", pct: 12, title: "Lower effort | max" },
+          ],
+          fix: { keys: ["mcp_server"], messages: ["/mcp disable my_server"] },
+        },
+        week: {
+          ...usageResponse.behaviors.week,
+          mcp_servers: [],
+          recommendations: [{ key: "agent", pct: 5, title: "Trim the reviewer agent" }],
+        },
+      },
+    });
+    const day = formatted.slice(
+      formatted.indexOf("**Last 24h**"),
+      formatted.indexOf("**Last 7d**"),
+    );
+    expect(day).toContain(
+      "- **41%** Disable my\\_server · /mcp\n- **12%** Lower effort \\| max\n\n| MCP server |",
+    );
+    expect(formatted).not.toContain("undefined");
+    expect(formatted).not.toContain("/mcp disable");
+    expect(
+      formatted.endsWith(
+        "**Last 7d** · 43 requests · 5 sessions\n\n- **5%** Trim the reviewer agent",
+      ),
+    ).toBe(true);
+  });
+
+  it("falls back to the CLI text for a malformed recommendation", () => {
+    expect(
+      parseUsageResponse({
+        ...usageResponse,
+        behaviors: {
+          ...usageResponse.behaviors,
+          day: {
+            ...usageResponse.behaviors.day,
+            recommendations: [{ key: "effort", pct: "high", title: "Lower effort" }],
+          },
+        },
+      }),
+    ).toBeNull();
+  });
+
   it("recognizes only exact local usage commands", () => {
     expect(isUsageCommandText(" /usage ")).toBe(true);
     expect(isUsageCommandText("/cost")).toBe(false);
@@ -3837,7 +3888,8 @@ describe("subagent transcript replay", () => {
     it("replays a fork child without the launching message and boilerplate it inherited", async () => {
       // A `subagent_type: "fork"` transcript starts with a copy of the
       // launching message (same API message id) and a directive message with
-      // a "Fork started" result for each of its tool_uses.
+      // a placeholder result for each of its tool_uses, worded as Claude Code
+      // 2.1.307+ writes them.
       const launching = [
         { type: "text", text: "I'll fork a worker." },
         toolUse("toolu_fork", "Agent", {
@@ -3850,7 +3902,15 @@ describe("subagent transcript replay", () => {
       const forkStarted = (id: string) => ({
         type: "tool_result",
         tool_use_id: id,
-        content: [{ type: "text", text: "Fork started — processing in background" }],
+        content: [
+          {
+            type: "text",
+            text:
+              id === "toolu_fork"
+                ? "Fork started — that fork is you."
+                : "This is the parent's call, not yours. It may not have run yet, and its result goes to the parent.",
+          },
+        ],
       });
       const trace = await replayRfd(
         [
@@ -24163,6 +24223,93 @@ describe("deferred settlement for live background subagents (issues #864/#866)",
       ]);
     });
 
+    describe("started by a scheduler fire", () => {
+      const lifecycleStarted = (fire: { wakeup_source?: string; scheduled_for?: number }) =>
+        ({
+          type: "command_lifecycle",
+          command_uuid: "scheduler-fire",
+          state: "started",
+          ...fire,
+          uuid: randomUUID(),
+          session_id: "test-session",
+        }) as any;
+
+      const autonomousTurn = async (fireFrames: (afterRunning: boolean) => any[]) => {
+        const { agent, asyncTaskUpdates } = await airAgent();
+        let wake = () => {};
+        const woken = new Promise<void>((resolve) => (wake = resolve));
+        injectGeneratorSession(agent, (input) => {
+          async function* messageGenerator() {
+            const iter = input[Symbol.asyncIterator]();
+            yield userEcho((await iter.next()).value);
+            yield running();
+            yield resultMessage();
+            yield idle();
+            await woken;
+            yield* fireFrames(false);
+            yield running();
+            yield* fireFrames(true);
+            yield assistantText("woke up");
+            yield resultMessage();
+            yield idle();
+          }
+          return messageGenerator();
+        });
+        await agent.prompt({ sessionId: "test-session", prompt: [{ type: "text", text: "go" }] });
+        wake();
+        await agent.sessions["test-session"]?.consumer;
+        return asyncTaskUpdates()
+          .filter((update) => update.sessionUpdate !== "async_task_state_update")
+          .map(({ sessionUpdate, description }) => ({ sessionUpdate, description }));
+      };
+
+      it("names a ScheduleWakeup fire that arrives before the running state", async () => {
+        const updates = await autonomousTurn((afterRunning) =>
+          afterRunning
+            ? []
+            : [
+                lifecycleStarted({
+                  wakeup_source: "loop_wakeup",
+                  scheduled_for: 1_790_000_000_000,
+                }),
+              ],
+        );
+        expect(updates).toEqual([
+          {
+            sessionUpdate: "async_task_spawned",
+            description: "A scheduled wakeup fired (set for 2026-09-21T14:13:20.000Z).",
+          },
+        ]);
+      });
+
+      it("renames the open task for a scheduled task fire after the running state", async () => {
+        const updates = await autonomousTurn((afterRunning) =>
+          afterRunning ? [lifecycleStarted({ wakeup_source: "schedule_wakeup" })] : [],
+        );
+        expect(updates).toEqual([
+          {
+            sessionUpdate: "async_task_spawned",
+            description: "Claude Code started a turn without a prompt.",
+          },
+          { sessionUpdate: "async_task_progress", description: "A scheduled task fired." },
+        ]);
+      });
+
+      it("leaves the task as before for a started frame without a known wakeup source", async () => {
+        const updates = await autonomousTurn((afterRunning) =>
+          afterRunning
+            ? [lifecycleStarted({}), lifecycleStarted({ wakeup_source: "future_source" })]
+            : [],
+        );
+        expect(updates).toEqual([
+          {
+            sessionUpdate: "async_task_spawned",
+            description: "Claude Code started a turn without a prompt.",
+          },
+        ]);
+      });
+    });
+
     it("ends the turn task when a prompt is folded into the turn", async () => {
       const { agent, updates, asyncTaskUpdates } = await airAgent();
       let wake = () => {};
diff --git a/src/tests/subagent-history.test.ts b/src/tests/subagent-history.test.ts
index 3c7652fc..11a617f2 100644
--- a/src/tests/subagent-history.test.ts
+++ b/src/tests/subagent-history.test.ts
@@ -41,7 +41,8 @@ const launch = (uuid: string, launchId: string) => ({
 });
 /**
  * The directive message that Claude Code writes after the copy of the launching
- * message in a `subagent_type: "fork"` child's transcript.
+ * message in a `subagent_type: "fork"` child's transcript, with the tool_result
+ * text of Claude Code before 2.1.307.
  */
 const forkDirective = (uuid: string, launchIds: string[], prompt: string) => ({
   ...base,
diff --git a/src/usage-markdown.ts b/src/usage-markdown.ts
index b3a4fdfa..54361d9d 100644
--- a/src/usage-markdown.ts
+++ b/src/usage-markdown.ts
@@ -8,10 +8,18 @@ const usageWindowSchema = z
   .nullable()
   .optional();
 const contributionSchema = z.object({ name: z.string(), pct: percentSchema });
+// Claude Code 2.1.305+ suggests one change per notable source, largest share first.
+const recommendationSchema = z.object({
+  key: z.string(),
+  pct: percentSchema,
+  title: z.string(),
+  detail: z.string().optional(),
+});
 const behaviorPeriodSchema = z.object({
   request_count: countSchema,
   session_count: countSchema,
   mcp_servers: z.array(contributionSchema),
+  recommendations: z.array(recommendationSchema).optional(),
 });
 const modelUsageSchema = z.object({
   inputTokens: countSchema,
@@ -133,12 +141,23 @@ function appendContributions(
     request_count: number;
     session_count: number;
     mcp_servers: { name: string; pct: number }[];
+    recommendations?: { pct: number; title: string; detail?: string }[];
   },
 ): void {
   lines.push(
     "",
     `**${label}** · ${period.request_count} requests · ${period.session_count} sessions`,
   );
+  // Rendered in the order Claude Code sends them, as its own `/usage` does. The
+  // window's `fix` is left out: its messages must be queued at priority "later"
+  // with `client_composed` set, which an ACP prompt cannot express.
+  if (period.recommendations?.length) {
+    lines.push("");
+    for (const recommendation of period.recommendations) {
+      const detail = recommendation.detail ? ` · ${escapeMarkdown(recommendation.detail)}` : "";
+      lines.push(`- **${recommendation.pct}%** ${escapeMarkdown(recommendation.title)}${detail}`);
+    }
+  }
   if (period.mcp_servers.length === 0) return;
   lines.push("", "| MCP server | Usage |", "|:--|--:|");
   for (const server of [...period.mcp_servers].sort((a, b) => b.pct - a.pct).slice(0, 3)) {