fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
rafa-thayto merged 2 commits into from
Jun 22, 2026
+96 −19
Merged

fix(agent): don't hint at a sandbox for ordinary network failures #342

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
df8b3a2
fix(agent): only hint at a sandbox for permission-like network failures
rafa-thayto Jun 16, 2026
3a16281
fix(agent): check error.code and error.cause for permission-like netw…
rafa-thayto Jun 18, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions .changeset/sandbox-hint-network-failures.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.
59 changes: 59 additions & 0 deletions packages/cli-core/src/lib/host-execution.test.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
const captured = useCaptureLog();

beforeEach(() => {
setMode("agent");
_resetAgentHostStateProbe();
});

afterEach(() => {
setMode("human");
_resetAgentHostStateProbe();
});

test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
expect(captured.err).not.toContain("sandboxed run");
});

test("a permission-like network failure warns about a possible sandbox (message)", () => {
observeHostCapabilityFailure("network", new Error("operation not permitted"));
expect(captured.err).toContain("sandboxed run");
});

test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
observeHostCapabilityFailure("network", bunFetchError);
expect(captured.err).toContain("sandboxed run");
});

test("a Bun fetch error with non-permission code does not warn", () => {
const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
observeHostCapabilityFailure("network", bunFetchError);
expect(captured.err).not.toContain("sandboxed run");
});

test("browser-launch and localhost-bind failures always warn", () => {
observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
expect(captured.err).toContain("sandboxed run");
});

test("the hint is a single line", () => {
observeHostCapabilityFailure("network", new Error("EPERM"));
const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
expect(warnLines).toHaveLength(1);
});

test("does not warn in human mode", () => {
setMode("human");
observeHostCapabilityFailure("network", new Error("operation not permitted"));
expect(captured.err).not.toContain("sandboxed run");
});
});
51 changes: 32 additions & 19 deletions packages/cli-core/src/lib/host-execution.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
warnedAboutSandbox = true;

log.warn(
"Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
);
log.warn(
"Re-run this command on the host shell before trusting auth, link, env, or API failures.",
"Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
);

if (detail) {
log.debug(detail);
}
}

const PERMISSION_PATTERNS = [
/\bEPERM\b/i,
/\bEACCES\b/i,
/operation not permitted/i,
/permission denied/i,
/sandbox/i,
/interaction is not allowed/i,
/access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
const message = errorMessage(error);
return [
/\bEPERM\b/i,
/\bEACCES\b/i,
/operation not permitted/i,
/permission denied/i,
/sandbox/i,
/interaction is not allowed/i,
/access denied/i,
].some((pattern) => pattern.test(message));
if (!(error instanceof Error)) {
return matchesPermissionPattern(String(error));
}

if (matchesPermissionPattern(error.message)) return true;

const code = (error as NodeJS.ErrnoException).code;
if (code && matchesPermissionPattern(code)) return true;

if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
capability === "network" ||
capability === "browser-launch" ||
capability === "localhost-bind"
) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.
return true;
}

Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
fix(agent): don't hint at a sandbox for ordinary network failures#342

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rafa-thayto
merged 2 commits into

from

Jun 22, 2026

+96

−19

 Merged


fix(agent): don't hint at a sandbox for ordinary network failures
#342
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
df8b3a2

fix(agent): only hint at a sandbox for permission-like network failures


rafa-thayto Jun 16, 2026
3a16281

fix(agent): check error.code and error.cause for permission-like netw…


rafa-thayto Jun 18, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


5 changes: 5 additions & 0 deletions
.changeset/sandbox-hint-network-failures.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
---
"clerk": patch
---

Stop showing the "possible sandboxed run" hint for ordinary network failures (unreachable host, VPN, DNS) in agent mode. The hint now requires a permission-like error before suggesting a sandbox, and is a single line.

59 changes: 59 additions & 0 deletions
packages/cli-core/src/lib/host-execution.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
import { test, expect, describe, beforeEach, afterEach } from "bun:test";
import { observeHostCapabilityFailure, _resetAgentHostStateProbe } from "./host-execution.ts";
import { setMode } from "../mode.ts";
import { useCaptureLog } from "../test/lib/stubs.ts";

describe("observeHostCapabilityFailure sandbox hinting", () => {
 const captured = useCaptureLog();

 beforeEach(() => {
 setMode("agent");
 _resetAgentHostStateProbe();
 });

 afterEach(() => {
 setMode("human");
 _resetAgentHostStateProbe();
 });

 test("a plain connectivity failure (unreachable host, VPN, DNS) does not warn", () => {
 observeHostCapabilityFailure("network", new Error("ECONNREFUSED 127.0.0.1:443"));
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("a permission-like network failure warns about a possible sandbox (message)", () => {
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with permission-like code warns about a possible sandbox", () => {
 const cause = Object.assign(new Error("operation not permitted"), { code: "EPERM" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).toContain("sandboxed run");
 });

 test("a Bun fetch error with non-permission code does not warn", () => {
 const cause = Object.assign(new Error("Connection refused"), { code: "ConnectionRefused" });
 const bunFetchError = Object.assign(new Error("fetch failed"), { cause });
 observeHostCapabilityFailure("network", bunFetchError);
 expect(captured.err).not.toContain("sandboxed run");
 });

 test("browser-launch and localhost-bind failures always warn", () => {
 observeHostCapabilityFailure("browser-launch", new Error("spawn ENOENT"));
 expect(captured.err).toContain("sandboxed run");
 });

 test("the hint is a single line", () => {
 observeHostCapabilityFailure("network", new Error("EPERM"));
 const warnLines = captured.err.split("\n").filter((line) => line.includes("agent mode"));
 expect(warnLines).toHaveLength(1);
 });

 test("does not warn in human mode", () => {
 setMode("human");
 observeHostCapabilityFailure("network", new Error("operation not permitted"));
 expect(captured.err).not.toContain("sandboxed run");
 });
});

51 changes: 32 additions & 19 deletions
packages/cli-core/src/lib/host-execution.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -93,36 +93,49 @@ function warnAboutSandbox(detail?: string): void {
 warnedAboutSandbox = true;

 log.warn(
 "Host-only Clerk state or system capabilities may be unavailable in agent mode. This may be a sandboxed run.",
 );
 log.warn(
 "Re-run this command on the host shell before trusting auth, link, env, or API failures.",
 "Host-only Clerk state or capabilities may be unavailable in agent mode (possible sandboxed run). If this looks wrong, re-run on the host shell before trusting auth, link, env, or API failures.",
 );

 if (detail) {
 log.debug(detail);
 }
}

const PERMISSION_PATTERNS = [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
];

function matchesPermissionPattern(s: string): boolean {
 return PERMISSION_PATTERNS.some((pattern) => pattern.test(s));
}

function isPermissionLikeFailure(error: unknown): boolean {
 const message = errorMessage(error);
 return [
 /\bEPERM\b/i,
 /\bEACCES\b/i,
 /operation not permitted/i,
 /permission denied/i,
 /sandbox/i,
 /interaction is not allowed/i,
 /access denied/i,
 ].some((pattern) => pattern.test(message));
 if (!(error instanceof Error)) {
 return matchesPermissionPattern(String(error));
 }

 if (matchesPermissionPattern(error.message)) return true;

 const code = (error as NodeJS.ErrnoException).code;
 if (code && matchesPermissionPattern(code)) return true;

 if (error.cause instanceof Error && isPermissionLikeFailure(error.cause)) return true;

 return false;
}

function isLikelySandboxFailure(capability: HostCapability, error: unknown): boolean {
if (
 capability === "network" ||
 capability === "browser-launch" ||
 capability === "localhost-bind"
 ) {
// browser-launch and localhost-bind only ever fail for host-capability
// reasons, so any failure is a meaningful sandbox signal. Network failures
// are different: a plain unreachable host (VPN, DNS, ECONNREFUSED) is not a
// sandbox, so require a permission-like error before hinting at a sandbox.
if (capability === "browser-launch" || capability === "localhost-bind") {
Comment thread
rafa-thayto marked this conversation as resolved.

 return true;
 }

Expand Down