[Critical] Claude Code Web Sessions Hanging with 403 Errors - Paying Customer

Related Claude Code issues

Matched on shared title terms, labels, topic and reported release — ranked so issues with real discussion come first.

• [BUG] Sessions freezing/hanging due to 400/403 API errors during session initialization
  Resolved 💬 3 #12184
• Severe quality regression — paying customer burning tokens with zero results
  Resolved 💬 3 #45105
• CRITICAL: Paid Customer - Complete Service Failure
  Resolved 💬 4 #9390
• The cost of non-compliance: a paying customer's documentation of systemic model failures
  Resolved 💬 2 #72657
• [BUG] It's hanging again in vscode as of 2.1.65
  Resolved 💬 7 v2.1.62 #29362
• [BUG] Claude code is hanging on every command.
  Resolved 💬 3 v2.1.183 #69562
• [BUG] "Claude Code on the web," subagents silently fail with 403/timeout errors and the parent agent doesn't surface the failure
  Resolved 💬 4 v2.1.42 #26127
• [BUG] Claude Code hanging after a second
  Resolved 💬 3 #5756

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Same class of failure, ranked by community engagement — this issue is one of many, so it may not appear in the visible list: Crashes, hangs & freezes

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