### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? <h1 class="text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal;

[BUG]

Resolved 💬 2 comments Opened Mar 30, 2026 by dburns2011 Closed May 3, 2026

Preflight Checklist

[x] I have searched existing issues and this hasn't been reported yet
[x] This is a single bug report (please file separate reports for different bugs)
[x] I am using the latest version of Claude Code

What's Wrong?

<head></head><h1 class="text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Claude Code Incident Report</h1><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><strong>Date:</strong><span class="Apple-converted-space"> </span>2026-03-30<br><strong>Duration:</strong><span class="Apple-converted-space"> </span>~28 hours (approx 4pm previous day to resolution)<br><strong>Environment:</strong><span class="Apple-converted-space"> </span>macOS, VS Code 1.113.0,<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">anthropic.claude-code@2.1.79–2.1.87</code><br><strong>Status:</strong><span class="Apple-converted-space"> </span>✅ RESOLVED</p><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Executive Summary</h2><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Claude Code in VS Code was completely non-functional for approximately 28 hours. Every session produced a duplicate worker spawn, lock contention, and eventual backend stall, rendering the extension unresponsive. The terminal<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">claude</code>binary was also non-functional. After exhaustive investigation, isolation testing, and extension conflict analysis, the root cause was<span class="Apple-converted-space"> </span><strong>corrupted Claude state in<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">~/.claude</code></strong>, compounded by a secondary conflict with<span class="Apple-converted-space"> </span><strong>GitHub Copilot Chat</strong>. The fix was a complete wipe of<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">~/.claude</code><span class="Apple-converted-space"> </span>followed by re-authentication.</p><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Initial Symptoms</h2><ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><li class="whitespace-normal break-words pl-2">Claude Code panel in VS Code stuck on "Coalescing..." or "Processing..." indefinitely</li><li class="whitespace-normal break-words pl-2">Every startup produced two identical Claude native worker processes at the same millisecond</li><li class="whitespace-normal break-words pl-2">Lock contention errors in extension host logs immediately after spawn</li><li class="whitespace-normal break-words pl-2"><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">ide_backend_stall_detected</code><span class="Apple-converted-space"> </span>firing ~60 seconds after every launch</li><li class="whitespace-normal break-words pl-2">Terminal<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">claude</code><span class="Apple-converted-space"> </span>command opened but<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">[]</code><span class="Apple-converted-space"> </span>prompt would not accept input</li><li class="whitespace-normal break-words pl-2">Problem persisted across VS Code restarts, system reboots, and extension reinstalls</li></ul><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Diagnostic Tooling Built During Investigation</h2><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">A full suite of diagnostic scripts was created in<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">/Users/dan/CodeRepos/rarix/scripts/</code>:</p><div class="overflow-x-auto w-full px-2 mb-6" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);”>
Script | Purpose
-- | —
restart-and-verify.sh | End-to-end restart and post-launch verification
verify-claude-post-launch.sh | Post-launch worker sampling and verdict generation
test-copilot-isolation.sh | Isolated profile test with controlled extension inventory
bisect-extension-conflict.sh | Automated extension bisect (partially functional)
compare-claude-profile-verification.sh | Compare verifier output across profiles

</div><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Resolution</h2><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><strong>The fix:</strong></p><div role="group" aria-label="bash code" tabindex="0" class="relative group/copy bg-bg-000/50 border-0.5 border-border-400 rounded-lg focus:outline-none focus-visible:ring-2 focus-visible:ring-accent-100" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><div class="sticky opacity-0 group-hover/copy:opacity-100 group-focus-within/copy:opacity-100 top-2 py-2 h-12 w-0 float-right"><div class="absolute right-0 h-8 px-2 items-center inline-flex z-10"><button class="inline-flex
items-center
justify-center
relative
isolate
shrink-0
can-focus
select-none
disabled:pointer-events-none
disabled:opacity-50
disabled:shadow-none
disabled:drop-shadow-none border-transparent
transition
font-base
duration-300
ease-[cubic-bezier(0.165,0.85,0.45,1)] h-8 w-8 rounded-md backdrop-blur-md _fill_56vq7_9 _ghost_56vq7_96" type="button" aria-label="Copy to clipboard" data-state="closed"><div class="relative"><div class="transition-all opacity-100 scale-100" style="width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="transition-all opacity-100 scale-100" aria-hidden="true" style="flex-shrink: 0;"><path d="M12.5 3A1.5 1.5 0 0 1 14 4.5V6h1.5A1.5 1.5 0 0 1 17 7.5v8a1.5 1.5 0 0 1-1.5 1.5h-8A1.5 1.5 0 0 1 6 15.5V14H4.5A1.5 1.5 0 0 1 3 12.5v-8A1.5 1.5 0 0 1 4.5 3zm1.5 9.5a1.5 1.5 0 0 1-1.5 1.5H7v1.5a.5.5 0 0 0 .5.5h8a.5.5 0 0 0 .5-.5v-8a.5.5 0 0 0-.5-.5H14zM4.5 4a.5.5 0 0 0-.5.5v8a.5.5 0 0 0 .5.5h8a.5.5 0 0 0 .5-.5v-8a.5.5 0 0 0-.5-.5z"></path></svg></div><div class="absolute inset-0 flex items-center justify-center"><div class="transition-all opacity-0 scale-50" style="width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="transition-all opacity-0 scale-50" aria-hidden="true" style="flex-shrink: 0;"><path d="M15.188 5.11a.5.5 0 0 1 .752.626l-.056.084-7.5 9a.5.5 0 0 1-.738.033l-3.5-3.5-.064-.078a.501.501 0 0 1 .693-.693l.078.064 3.113 3.113 7.15-8.58z"></path></svg></div></div></div></button></div></div><div class="text-text-500 font-small p-3.5 pb-0">bash</div><div class="overflow-x-auto"><pre class="code-block__code !my-0 !rounded-lg !text-sm !leading-relaxed p-3.5" style="color: rgb(234, 236, 240); background: none; font-family: var(--font-mono);"><code class="language-bash" style="color: rgb(234, 236, 240); background: none; font-family: var(--font-mono); white-space: pre;"><span><span class="token token" style="color: rgb(112, 184, 255);">rm</span><span> -rf ~/.claude</span></span></code></pre></div></div><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Followed by re-authentication in VS Code.</p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><strong>Time to fix if known from the start:</strong><span class="Apple-converted-space"> </span>~2 minutes.<br><strong>Actual time spent:</strong><span class="Apple-converted-space"> </span>~28 hours.</p><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Lessons Learned</h2><h3 class="text-text-100 mt-2 -mb-1 text-base font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">For debugging Claude Code issues</h3><ol class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-decimal flex flex-col gap-1 pl-8 mb-3" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><li class="whitespace-normal break-words pl-2"><strong>Try<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">rm -rf ~/.claude</code><span class="Apple-converted-space"> </span>first.</strong><span class="Apple-converted-space"> </span>Before any other debugging, wipe Claude's local state and re-authenticate. This is the fastest fix for corruption-related hangs.</li><li class="whitespace-normal break-words pl-2"><strong>Never<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">pkill -9</code><span class="Apple-converted-space"> </span>the claude process repeatedly.</strong><span class="Apple-converted-space"> </span>Forceful kills during active sessions corrupt<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">~/.claude</code><span class="Apple-converted-space"> </span>state. Use graceful shutdown where possible.</li><li class="whitespace-normal break-words pl-2"><strong>Use isolated profile testing early.</strong><span class="Apple-converted-space"> </span>The<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">test-copilot-isolation.sh</code><span class="Apple-converted-space"> </span>approach proved extremely reliable. Build this test first, not last.</li><li class="whitespace-normal break-words pl-2"><strong>Worker count is global, not profile-scoped.</strong><span class="Apple-converted-space"> </span>When running multiple VS Code profiles simultaneously, all Claude workers are counted together. Always kill all VS Code instances before running the verifier.</li><li class="whitespace-normal break-words pl-2"><strong><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">sessionIsolation: true</code><span class="Apple-converted-space"> </span>always produces 2 workers.</strong><span class="Apple-converted-space"> </span>This is by design, not a bug. Don't mistake it for the duplicate-spawn bug.</li></ol><h3 class="text-text-100 mt-2 -mb-1 text-base font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">For the Anthropic bug report</h3><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Two legitimate bugs remain worth reporting:</p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><strong>Bug 1 — Copilot Chat conflict:</strong><span class="Apple-converted-space"> </span>Claude Code should guard against concurrent spawn invocations at activation time. A single guard (boolean flag or in-flight promise check) would prevent Copilot's activation from triggering a second spawn.</p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><strong>Bug 2 — Corrupted state recovery:</strong><span class="Apple-converted-space"> </span>When<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">~/.claude</code><span class="Apple-converted-space"> </span>contains corrupted state, Claude should detect this and prompt the user to reset, rather than silently hanging with no error message. The current behavior (infinite<span class="Apple-converted-space"> </span><code class="bg-text-200/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]">[]</code><span class="Apple-converted-space"> </span>cursor, no error, no timeout) makes diagnosis nearly impossible.</p><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><h2 class="text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold" style="font-style: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Quick Reference: Emergency Recovery</h2><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">If Claude Code stops working completely:</p><div role="group" aria-label="bash code" tabindex="0" class="relative group/copy bg-bg-000/50 border-0.5 border-border-400 rounded-lg focus:outline-none focus-visible:ring-2 focus-visible:ring-accent-100" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><div class="sticky opacity-0 group-hover/copy:opacity-100 group-focus-within/copy:opacity-100 top-2 py-2 h-12 w-0 float-right"><div class="absolute right-0 h-8 px-2 items-center inline-flex z-10"><button class="inline-flex
items-center
justify-center
relative
isolate
shrink-0
can-focus
select-none
disabled:pointer-events-none
disabled:opacity-50
disabled:shadow-none
disabled:drop-shadow-none border-transparent
transition
font-base
duration-300
ease-[cubic-bezier(0.165,0.85,0.45,1)] h-8 w-8 rounded-md backdrop-blur-md _fill_56vq7_9 _ghost_56vq7_96" type="button" aria-label="Copy to clipboard" data-state="closed"><div class="relative"><div class="transition-all opacity-100 scale-100" style="width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="transition-all opacity-100 scale-100" aria-hidden="true" style="flex-shrink: 0;"><path d="M12.5 3A1.5 1.5 0 0 1 14 4.5V6h1.5A1.5 1.5 0 0 1 17 7.5v8a1.5 1.5 0 0 1-1.5 1.5h-8A1.5 1.5 0 0 1 6 15.5V14H4.5A1.5 1.5 0 0 1 3 12.5v-8A1.5 1.5 0 0 1 4.5 3zm1.5 9.5a1.5 1.5 0 0 1-1.5 1.5H7v1.5a.5.5 0 0 0 .5.5h8a.5.5 0 0 0 .5-.5v-8a.5.5 0 0 0-.5-.5H14zM4.5 4a.5.5 0 0 0-.5.5v8a.5.5 0 0 0 .5.5h8a.5.5 0 0 0 .5-.5v-8a.5.5 0 0 0-.5-.5z"></path></svg></div><div class="absolute inset-0 flex items-center justify-center"><div class="transition-all opacity-0 scale-50" style="width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor" xmlns="http://www.w3.org/2000/svg" class="transition-all opacity-0 scale-50" aria-hidden="true" style="flex-shrink: 0;"><path d="M15.188 5.11a.5.5 0 0 1 .752.626l-.056.084-7.5 9a.5.5 0 0 1-.738.033l-3.5-3.5-.064-.078a.501.501 0 0 1 .693-.693l.078.064 3.113 3.113 7.15-8.58z"></path></svg></div></div></div></button></div></div><div class="text-text-500 font-small p-3.5 pb-0">bash</div><div class="overflow-x-auto"><pre class="code-block__code !my-0 !rounded-lg !text-sm !leading-relaxed p-3.5" style="color: rgb(234, 236, 240); background: none; font-family: var(--font-mono);"><code class="language-bash" style="color: rgb(234, 236, 240); background: none; font-family: var(--font-mono); white-space: pre;"><span><span class="token token" style="color: rgb(129, 136, 152);"># Step 1 — Kill everything</span><span>
</span></span><span><span></span><span class="token token" style="color: rgb(112, 184, 255);">pkill</span><span> -9 -f </span><span class="token token" style="color: rgb(155, 233, 99);">"Visual Studio Code"</span><span class="token token" style="color: rgb(211, 215, 222);">;</span><span> </span><span class="token token" style="color: rgb(112, 184, 255);">pkill</span><span> -9 -f </span><span class="token token" style="color: rgb(155, 233, 99);">"Code Helper"</span><span class="token token" style="color: rgb(211, 215, 222);">;</span><span> </span><span class="token token" style="color: rgb(112, 184, 255);">pkill</span><span> -9 -f </span><span class="token token" style="color: rgb(155, 233, 99);">"claude"</span><span>
</span></span><span><span></span><span class="token token" style="color: rgb(112, 184, 255);">sleep</span><span> </span><span class="token token" style="color: rgb(94, 237, 237);">5</span><span>
</span></span><span>
</span><span><span></span><span class="token token" style="color: rgb(129, 136, 152);"># Step 2 — Wipe Claude state</span><span>
</span></span><span><span></span><span class="token token" style="color: rgb(112, 184, 255);">rm</span><span> -rf ~/.claude
</span></span><span><span></span><span class="token token" style="color: rgb(112, 184, 255);">rm</span><span> -rf </span><span class="token token" style="color: rgb(155, 233, 99);">"</span><span class="token token environment" style="color: rgb(94, 237, 237);">$HOME</span><span class="token token" style="color: rgb(155, 233, 99);">/Library/Application Support/Code/User/globalStorage/anthropic.claude-code"</span><span>
</span></span><span>
</span><span><span></span><span class="token token" style="color: rgb(129, 136, 152);"># Step 3 — Reopen VS Code and re-authenticate</span><span>
</span></span><span>code /path/to/your/workspace</span></code></pre></div></div><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);">Total time: ~2 minutes.</p><hr class="border-border-200 border-t-0.5 my-3 mx-1.5" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;"><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid; caret-color: rgb(255, 255, 255); color: rgb(255, 255, 255);"><em>Report generated: 2026-03-30. Investigation conducted over approximately 28 hours across multiple debugging sessions.</em></p>

What Should Happen?

claude should never have degraded like this. 28 hours downtime is very frustrating.

Error Messages/Logs

Steps to Reproduce

happened at approximately 1547 on 29/3/2026 shortly after an upgrade to 2.1.87

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.87

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

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