feat(cli): share durable Tempo session state

.changeset/calm-sessions-share.md

@@ -0,0 +1,5 @@
+---
+'mppx': patch
+---
+
+Added payer-isolated SQLite session reuse, cross-process scope leases, and shared Node APIs and CLI commands for listing, recovering, reconciling, and receipt-confirmed closing of durable Tempo sessions.

.changeset/fresh-viem-release.md

@@ -0,0 +1,7 @@
+---
+'mppx': patch
+---
+
+Replaced the expired Viem pull-request preview with the published release containing the Tempo relay
+signature fix, raised the Viem peer floor to that fixed release, rejected non-primitive subscription
+authorization signatures before encoding, and resolved the current brace-expansion audit advisory.

README.md

@@ -83,6 +83,23 @@ Mppx.create({
 const res = await fetch('https://mpp.dev/api/ping/paid')
 ```
 
+Node clients can persist durable session state while supplying their own account implementation:
+
+```ts
+import { sessionManager } from 'mppx/client'
+import { createSqliteChannelStore } from 'mppx/client/node'
+
+const channelStore = createSqliteChannelStore({
+  namespace: new URL(endpoint).origin,
+  payer: account.address,
+})
+const manager = sessionManager({ account, bootstrap: true, channelStore, client })
+```
+
+The default channel database is `~/.tempo/wallet/channels.db`; pass `path` to override it.
+The SQLite-backed Node APIs, CLI session requests, and persistent session commands require Node.js
+22.5 or newer. Other CLI commands continue to support the package's Node.js baseline.
+
 ## Examples
 
 | Example                                                | Description                                          |
@@ -109,18 +126,16 @@ mppx account create
 # make request - automatic payment handling, curl-like api
 mppx example.com
 
-# open another session instead of reusing the preferred channel
-mppx example.com --session new
-
 # inspect and close retained sessions
 mppx sessions list
-mppx sessions view <channel-id>
-mppx sessions close <channel-id>
-mppx sessions close --all --yes
+mppx sessions sync
+mppx sessions close <channel-id>            # cooperative by default
+mppx sessions close <channel-id> --on-chain # start/finalize precompile close
 ```
 
-`--session auto` is the default. Pass `new` to open another channel or a channel ID to select one
-explicitly.
+Cold clients recover an existing session through the server's standard session bootstrap and write
+the resulting snapshot to the SQLite channel database. MPPx does not keep a second CLI-specific
+session registry or parse external wallet state.
 
 You can also install globally to use the `mppx` CLI from anywhere:
 

package.json

@@ -53,7 +53,7 @@
     "testcontainers": "^12.0.4",
     "tsx": "^4.22.4",
     "typescript": "~6.0.3",
-    "viem": "https://pkg.pr.new/viem@4880",
+    "viem": "2.55.8",
     "vite": "^8.1.3",
     "vp": "npm:vite-plus@~0.1.24",
     "ws": "^8.21.0",
@@ -212,7 +212,7 @@
     "elysia": ">=1",
     "express": ">=5",
     "hono": ">=4.12.25",
-    "viem": ">=2.54.0"
+    "viem": ">=2.55.7"
   },
   "peerDependenciesMeta": {
     "@modelcontextprotocol/sdk": {
@@ -232,7 +232,7 @@
     "@stripe/stripe-js": "9.9.0",
     "eventsource-parser": "3.1.0",
     "incur": "^0.4.10",
-    "ox": "0.14.30",
+    "ox": "0.14.32",
     "zod": "^4.4.3"
   },
   "repository": {