diff --git a/README.md b/README.md
index 82767fd..4ad5e24 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Give an AI agent permission to buy **one exact x402 resource** under a bounded g
 Requirements: Node.js 20+ and internet access. No clone, account, wallet, or private key is required.
 
 ```bash
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-no-spend-report.json
 ```
 
@@ -74,7 +74,7 @@ After an ACM operator provides a protected gateway URL and confirms its dedicate
 ```bash
 export ACM_GATEWAY_URL='https://provided-gateway.example'
 export ACM_CONFIRM_TESTNET_SPEND=yes
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-paid-report.json
 unset ACM_API_KEY ACM_CONFIRM_TESTNET_SPEND
 ```
diff --git a/docs/design-partner-checklist.md b/docs/design-partner-checklist.md
index de397e6..8ff7679 100644
--- a/docs/design-partner-checklist.md
+++ b/docs/design-partner-checklist.md
@@ -22,7 +22,7 @@ No clone, Git installation, account, environment file, or wallet is required:
 
 ```bash
 node --version
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-no-spend-report.json
 ```
 
@@ -60,7 +60,7 @@ Enter the credential through a hidden prompt:
 ```bash
 export ACM_GATEWAY_URL='https://provided-gateway.example'
 export ACM_CONFIRM_TESTNET_SPEND=yes
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-paid-report.json
 unset ACM_API_KEY ACM_CONFIRM_TESTNET_SPEND
 ```
diff --git a/docs/examples.md b/docs/examples.md
index f51f059..fae7c81 100644
--- a/docs/examples.md
+++ b/docs/examples.md
@@ -7,7 +7,7 @@ Start with the buyer path. Seller and exchange examples are clearly separated be
 From any empty directory with Node.js 20+:
 
 ```bash
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-no-spend-report.json
 ```
 
@@ -45,7 +45,7 @@ Run only after an ACM operator provides a protected gateway URL and confirms its
 ```bash
 export ACM_GATEWAY_URL='https://provided-gateway.example'
 export ACM_CONFIRM_TESTNET_SPEND=yes
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-paid-report.json
 unset ACM_API_KEY ACM_CONFIRM_TESTNET_SPEND
 ```
diff --git a/docs/getting-started.md b/docs/getting-started.md
index 163bf25..412dd77 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -9,7 +9,7 @@ Requirements: Node.js 20+ and npm. The first two steps require no account, walle
 Run the pinned preview from any empty directory:
 
 ```bash
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-no-spend-report.json
 ```
 
@@ -85,7 +85,7 @@ Stop until an ACM operator provides a protected gateway URL and confirms its ded
 ```bash
 export ACM_GATEWAY_URL='https://provided-gateway.example'
 export ACM_CONFIRM_TESTNET_SPEND=yes
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-paid-report.json
 unset ACM_API_KEY ACM_CONFIRM_TESTNET_SPEND
 ```
diff --git a/docs/x402-integration.md b/docs/x402-integration.md
index d5b7a06..bd8ab8d 100644
--- a/docs/x402-integration.md
+++ b/docs/x402-integration.md
@@ -89,7 +89,7 @@ The installed acceptance runner creates a 15-minute grant restricted to `x402.pa
 phase first:
 
 ```bash
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-no-spend-report.json
 ```
 
@@ -99,7 +99,7 @@ payer is ready, explicitly arm one paid acceptance:
 ```bash
 export ACM_GATEWAY_URL='https://provided-gateway.example'
 export ACM_CONFIRM_TESTNET_SPEND=yes
-npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.19.tar.gz partner-check \
+npx --yes https://github.com/InTheta/agent-capability-middleware/archive/refs/tags/v0.1.0-preview.20.tar.gz partner-check \
   > acm-paid-report.json
 unset ACM_API_KEY ACM_CONFIRM_TESTNET_SPEND
 ```
diff --git a/package-lock.json b/package-lock.json
index 78100b6..9899157 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@agent-capability-middleware/sdk",
-  "version": "0.1.0-preview.19",
+  "version": "0.1.0-preview.20",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@agent-capability-middleware/sdk",
-      "version": "0.1.0-preview.19",
+      "version": "0.1.0-preview.20",
       "license": "Apache-2.0",
       "bin": {
         "acm": "dist/cli.js"
diff --git a/package.json b/package.json
index d91fbdc..91faba2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@agent-capability-middleware/sdk",
-  "version": "0.1.0-preview.19",
+  "version": "0.1.0-preview.20",
   "description": "TypeScript SDK for policy-bound x402 buying and experimental capability offers",
   "type": "module",
   "license": "Apache-2.0",