* upstream/dev: (476 commits)
  release: v1.2.9
  fix: issue from structuredClone addition by using unwrap (anomalyco#14359)
  tweak(ui): adjust session feed spacing
  tweak(ui): tone down reasoning emphasis
  tweak(ui): refine session feed spacing
  fix(desktop): restore settings header mask
  tweak(ui): nudge edited files chevron
  tweak(ui): stabilize collapsible chevron hover
  fix: add missing id/sessionID/messageID to MCP tool attachments (anomalyco#14345)
  Use structuredClone instead of remeda's clone (anomalyco#14351)
  remove unnecessary deep clones from session loop and LLM stream (anomalyco#14354)
  fix(web): correct config import path in Korean enterprise docs
  docs: update providers layout and Windows sidebar label
  core: remove User-Agent header assertion from LLM test to fix failing test
  release: v1.2.8
  fix(app): black screen on launch with sidecar server
  chore: generate
  feat(opencode): support adaptive thinking for claude sonnet 4.6 (anomalyco#14283)
  feat(tui): add custom tool and mcp call responses visible and collapsable (anomalyco#10649)
  chore: cleanup
  ...

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#	packages/opencode/src/tool/lsp.ts
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