diff --git a/vendor/agents/docs/content/docs/architecture.mdx b/vendor/agents/docs/content/docs/architecture.mdx
index c1110594..3b9408bc 100644
--- a/vendor/agents/docs/content/docs/architecture.mdx
+++ b/vendor/agents/docs/content/docs/architecture.mdx
@@ -51,7 +51,7 @@ A conversation is idle until a prompt starts a run, and goes back to idle when t
 
 An idle agent sleeps and frees its memory. The next action on its key wakes it: the agent opens Pi from SQLite, resumes interrupted work, and reconnects to the same sandbox the first time a tool needs it, so clients don't do anything different. While the agent sleeps, its sandbox is suspended.
 
-During a retry or poll wait longer than a minute, the Actor also sleeps, and a scheduled wake resumes the work when the wait ends.
+During a retry or poll wait, the Actor also sleeps, and a scheduled wake resumes the work when the wait ends.
 
 <div style="overflow-x:auto">
 <svg viewBox="0 0 640 280" role="img" aria-label="The agent loop runs in memory and saves each step to the Actor&#x27;s SQLite database, which also holds the sandbox id. On wake, the loop is restored from SQLite and reconnects to the same sandbox. Sleep, a crash, or an upgrade clears memory, and SQLite is kept." style="width:100%;min-width:520px;max-width:640px;height:auto;display:block;margin:2.5rem auto;font-family:system-ui,sans-serif">
diff --git a/vendor/agents/docs/content/docs/pi.mdx b/vendor/agents/docs/content/docs/pi.mdx
index b4c53eac..65659ddd 100644
--- a/vendor/agents/docs/content/docs/pi.mdx
+++ b/vendor/agents/docs/content/docs/pi.mdx
@@ -189,7 +189,7 @@ A fork with `fork: "current"` starts with a copy of the document. Clients can al
 
 - When you ship new code, running work gets up to `sleepGracePeriod` (15 minutes) to finish before the Actor restarts.
 - Anything cut off resumes from its last saved step, after your `onWake` runs.
-- A retry wait longer than a minute lets the Actor sleep, and a scheduled wake resumes it.
+- A retry wait lets the Actor sleep, and a scheduled wake resumes it when the wait ends.
 - Destroying the Actor stops it immediately.
 
 See [Architecture](/agents/docs/architecture).
diff --git a/vendor/agents/examples/docs/durable-ai-agents/chat-agent.ts b/vendor/agents/examples/docs/durable-ai-agents/chat-agent.ts
index e94efabb..2ff077b1 100644
--- a/vendor/agents/examples/docs/durable-ai-agents/chat-agent.ts
+++ b/vendor/agents/examples/docs/durable-ai-agents/chat-agent.ts
@@ -12,6 +12,8 @@ export const Plan = defineDoc<{ steps: { text: string; done: boolean }[] }>({
 	history: "latest",
 	fork: "current",
 	initial: () => ({ steps: [] }),
+	// Store the whole document every 50 changes, so loading it replays at most 50.
+	checkpointWhen: (_value, _ops, { deltasSinceBase }) => deltasSinceBase >= 50,
 });
 
 const updatePlan = defineTool({
diff --git a/vendor/agents/examples/docs/package.json b/vendor/agents/examples/docs/package.json
index 730080d5..8c334fc6 100644
--- a/vendor/agents/examples/docs/package.json
+++ b/vendor/agents/examples/docs/package.json
@@ -7,10 +7,10 @@
 	},
 	"dependencies": {
 		"@daytonaio/sdk": "^0.216.0",
-		"@earendil-works/chord": "1.3.0",
-		"@earendil-works/pi-ai": "1.3.0",
-		"@earendil-works/pi-coding-agent": "1.3.0",
-		"@earendil-works/pi-durable": "1.3.0",
+		"@earendil-works/chord": "1.4.0",
+		"@earendil-works/pi-ai": "1.4.0",
+		"@earendil-works/pi-coding-agent": "1.4.0",
+		"@earendil-works/pi-durable": "1.4.0",
 		"@hono/node-server": "^2.1.5",
 		"@linear/sdk": "^97.0.0",
 		"@octokit/rest": "^22.0.1",
@@ -18,14 +18,14 @@
 		"@rivet-dev/pi": "workspace:*",
 		"@rivet-dev/sandbox-adapter": "workspace:*",
 		"@rivet-dev/workflows": "1.0.0",
-		"@rivetkit/react": "2.3.26",
+		"@rivetkit/react": "3.0.0-preview.2",
 		"@slack/web-api": "^8.2.0",
 		"discord-interactions": "^4.4.0",
 		"e2b": "^2.51.0",
 		"freestyle": "^0.2.16",
 		"hono": "^4.13.12",
 		"react": "^19.3.0",
-		"rivetkit": "2.3.26"
+		"rivetkit": "3.0.0-preview.2"
 	},
 	"devDependencies": {
 		"@types/node": "^24.0.0",
diff --git a/vendor/agents/examples/docs/pi/documents/chambers.ts b/vendor/agents/examples/docs/pi/documents/chambers.ts
index b44dbb2d..b333f548 100644
--- a/vendor/agents/examples/docs/pi/documents/chambers.ts
+++ b/vendor/agents/examples/docs/pi/documents/chambers.ts
@@ -8,4 +8,6 @@ export const Chambers = defineDoc<{ solved: string[] }>({
 	history: "latest",
 	fork: "current",
 	initial: () => ({ solved: [] }),
+	// Store the whole document every 50 changes, so loading it replays at most 50.
+	checkpointWhen: (_value, _ops, { deltasSinceBase }) => deltasSinceBase >= 50,
 });