catalog: re-verify needs-review entries last checked in July

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29 entries are status: needs-review. These ten haven't been rechecked since July 2026: fab-megascans-standard, lospec, opengameart, convology-xt, freesound, godot-shaders, material-maker-gallery, fmod-studio, wwise, charmorph.

Overall freshness is good: the oldest verified is 2026-07-19 (68 days); 64 entries are over 60 days (July 70, August 203, September 46).

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Done in #51. All ten were re-read at the source on 2026-09-26. Now active: fab-megascans-standard and fmod-studio (FMOD requires its credit line and splash logo). opengameart commercial is now true and freesound commercial is now varies. Still needs-review, with the open question in Notes: lospec, convology-xt, opengameart, freesound, godot-shaders, material-maker-gallery, wwise and charmorph.