[Feature Request] Improve model selection detection to avoid unintended switches to Opus 4.8

Related Claude Code issues

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

• [Bug] Claude Code auto-switches to Opus 4.8 with Fable 5 model selection
  Resolved 💬 3 v2.1.173 #67818
• [Bug] Unintended fallback to Claude 3 Opus in model selection
  Open 💬 0 v2.1.226 #85208
• [BUG] model switches silently to sonnet 4.6 from opus 4.8 1M after context compaction in Claude Code VS Code Assistant
  Resolved 💬 1 v2.1.191 #71360
• [Feature Request] Add subagent approach selection option to avoid accidental feedback
  Resolved 💬 1 v2.1.153 #63276
• [Bug] Model forcibly switches from Fable 5 to Opus 4.8 during sessions despite explicit user selection
  Resolved 💬 1 #85649
• [Bug] Unintended routing to Opus model
  Resolved 💬 1 v2.1.197 #73033
• [Bug] Claude ignores explicit instructions to avoid shortcuts despite custom hooks and memory configuration
  Resolved 💬 2 v2.1.143 #60040
• [Bug] Model auto-switches from Claude 3.5 Sonnet to Claude Opus 4 during bug fixes
  Resolved 💬 1 v2.1.198 #73300

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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: IDE & terminal integration

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