fix(runner): mirror qualified Claude runtime

packages/paperclip-runner/runner/crates/runner-core/src/acpx_provider_backend.rs

@@ -88,8 +88,8 @@ impl AcpxProviderDescriptor {
                 "claude-sonnet-5",
                 "@agentclientprotocol/claude-agent-acp",
                 "0.70.0",
-                None,
-                None,
+                Some("@anthropic-ai/claude-agent-sdk"),
+                Some("0.3.232"),
                 "sha256:9d73d1f0f121fb96cc8badb28c22d5bff02d8582eb2e40360a81c189e1b9422a",
             ),
             "codex" => (
@@ -1360,8 +1360,8 @@ mod tests {
                     "claude-sonnet-5",
                     "@agentclientprotocol/claude-agent-acp",
                     "0.70.0",
-                    Value::Null,
-                    Value::Null,
+                    json!("@anthropic-ai/claude-agent-sdk"),
+                    json!("0.3.232"),
                     "sha256:9d73d1f0f121fb96cc8badb28c22d5bff02d8582eb2e40360a81c189e1b9422a",
                 )
             } else {

packages/paperclip-runner/src/backends/native-backend-factory.test.ts

@@ -95,9 +95,9 @@ function acpxExecution(
             ? "@earendil-works/pi-coding-agent"
             : agent === "codex"
               ? "@openai/codex"
-              : null,
+              : "@anthropic-ai/claude-agent-sdk",
         agentRuntimeVersion:
-          agent === "pi" ? "0.84.2" : agent === "codex" ? "0.148.0" : null,
+          agent === "pi" ? "0.84.2" : agent === "codex" ? "0.148.0" : "0.3.232",
         commandDigest:
           agent === "codex"
             ? "sha256:7a923b3829884d3cabcc9659d22cace3f86813e7bfffc90974b10140a45bc400"

packages/paperclip-runner/src/drivers/acpx/installation-integrity.ts

@@ -755,8 +755,9 @@ function defaultPackageJsonResolver(
   }
   // Source-mode and direct runtimes still have a stable module URL. The
   // descriptor-backed runner sidecar always receives the explicit root above.
-  return createRequire(issuerPackageJsonPath ?? import.meta.url).resolve(
-    `${packageName}/package.json`,
+  return resolvePackageJsonFromIssuer(
+    packageName,
+    issuerPackageJsonPath ?? import.meta.url,
   );
 }