{"name":"tengu_cozy_hamming","slug":"tengu-cozy-hamming","family":"flag","title":"Feature flags","noun":"feature flag","description":"Behind two server-side switches, files removed from a chat are deleted from disk if unchanged, and Claude is told a deleted image is gone","description_source":"entry","described_by":{"version":"2.1.317","anchor":"deleted-chat-attachments-local-copies-cleaned-up-and-model"},"presence":{"first_seen":"2.1.317","removed_in":null,"in_current_build":true,"newest_mined":"2.1.318","builds":2,"mined_builds":158,"first_cited":{"version":"2.1.317","released_at":"2026-11-02 23:57:53","spans":1}},"aliases":[],"entries":[{"version":"2.1.318","anchor":"new-experiment-gate-names-registered","heading":"Several new server-controlled switches added for unreleased features","line":"Claude Code registers several new server-controlled switches for features that are not yet visible","released_at":"2026-11-03 21:55:17","reason":"gate cited by this entry"},{"version":"2.1.317","anchor":"deleted-chat-attachments-local-copies-cleaned-up-and-model","heading":"Deleting an image in chat can remove its local copy and hide it from Claude","line":"Behind two server-side switches, files removed from a chat are deleted from disk if unchanged, and Claude is told a deleted image is gone","released_at":"2026-11-02 23:57:53","reason":"gate cited by this entry"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[{"version":"2.1.318","state":"unknown","account":null,"baseline":null,"code_default":false},{"version":"2.1.317","state":"unknown","account":null,"baseline":null,"code_default":false}],"related":[{"name":"tengu_cozy_dusk","slug":"tengu-cozy-dusk","description":"A new numeric remote-config gate was added with clamped bounds."},{"name":"tengu_cozy_eagle","slug":"tengu-cozy-eagle","description":"Some Claude in Chrome tools now ask for your permission rather than running at once, even with a whole-tool allow rule"},{"name":"tengu_cozy_fern","slug":"tengu-cozy-fern","description":"If an MCP tool asks to end the turn while a tool call in the same batch failed, Claude Code can now keep the turn going"},{"name":"tengu_cozy_kite","slug":"tengu-cozy-kite","description":"Before a tool runs, Claude Code can wait for files still being staged, but only when a remote switch that defaults to off is on"},{"name":"tengu_cozy_pinwheel","slug":"tengu-cozy-pinwheel","description":"Whether Claude Code's yield-to-person prompt applies now depends on the error reason, and a new `other` reason has its own remote switch"},{"name":"tengu_cozy_pixel","slug":"tengu-cozy-pixel","description":"A new fork_conversation control request lets a host app branch a session's history into a brand-new session"},{"name":"tengu_cozy_teapot","slug":"tengu-cozy-teapot","description":"A remotely gated A\/B test can loosen the bash-first system prompt wording."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-cozy-hamming","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}