chore(main): release 6.0.0-beta.56

[alexwarren]

🤖 I have created a release beep boop

6.0.0-beta.56 (2026-08-27)

Bug Fixes

• AppShell: default new rooms to top level, fix Combobox label/value mixup (#2161) (f63ad3e)
• AppShell: expression-editor parity for if/set/foreach templates (#2151) (60f23dc)
• AppShell: remove dead <filefiltername> and <preview/> hints (#2152) (f4b107b)
• AppShell: remove dead <keyname> control hint (#2153) (df18dce)
• AppShell: remove redundant pane header labels in editor (#2144) (dd3f6b3)
• AppShell: stop Enter-confirm from re-triggering the trigger button in modals (#2160) (60f73e8)
• AppShell: wire up <bold/> control hint for labels (#2154) (923a517)
• AppShell: wire up <colour> control hint for script textboxes (#2156) (36cd0cc)
• AppShell: wire up <freetext/> control hint for dropdowns (#2147) (f18d327)
• AppShell: wire up <minimum>/<maximum>/<increment> control hints (#2148) (f12b8fe)
• AppShell: wire up <nullable/> control hint (#2149) (f82ca3d)
• AppShell: wire up <width/> control hint to the frontend (#2150) (c018a96)
• Engine: remove no-op RequestSpeak function (#2146) (d430a68)

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