v6.8.47-patch

Changelog

• 6e04d00 Add PostForceRefreshTokens
• 93fb841 Fixed: router-for-me#1670
• ddcf1f2 Fixed: router-for-me#1901
• 7e6bb8f Merge origin/dev into pr-1774-review and resolve watcher conflicts
• 9cee8ef Merge pull request router-for-me#1684 from alexey-yanchenko/fix/input-audio-from-openai-to-antigravity
• 2b609dd Merge pull request router-for-me#1912 from FradSer/main
• f876c19 chore: add fork upstream sync workflow and DockerHub settings
• a8cbc68 feat(registry): add gemini 3.1 flash lite preview
• b758842 fix: preserve input_audio content parts when proxying to Antigravity
• 30338ec perf(watcher): remove redundant auth clones in incremental path
• 5ebc58f refactor(executor): remove legacy connCreateSent logic and standardize response.create usage for all websocket events
• 10fa0f2 refactor(watcher): dedupe auth map conversion in incremental flow
• c83a057 refactor(watcher): make auth file events fully incremental
• dd44413 refactor(watcher): make authSliceToMap always return map
• 9a37def test(watcher): restore main test names and max-retry callback coverage