Misc Changes

• Fix Rust doctest failures: #95909
• [turbopack] Clean up server_chunking_context: #95908
• [turbopack] Don't SSR on pages only navigated to through a soft nav: #95539
• Package skills/ as a Claude Code plugin: #95907
• [ci] Avoid apt-get in the next-stats-action Docker image: #95847
• Back/forward set the Nav Inspector back to pending: #95865
• fix(agent-rules): pad managed AGENTS.md block with blank lines: #95892
• Revert "Run more test suites under cacheComponents flag": #95884
• Fix repeated navigations while the Instant Navigation lock is held: #95864

Credits

Huge thanks to @marcoshernanz, @sampoder, @gaojude, @eps1lon, @acdlite, @aurorascharff, and @gaearon for helping!