docs: refresh docs and screenshots, drop em dashes, add scripts/screenshots.sh

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

docs/support.md

@@ -2,7 +2,7 @@
 
 [English](support.md) · [Português](pt-BR/suporte.md)
 
-Matrix of what exists today (version 1.3.2). For what comes next, see the [ROADMAP](../ROADMAP.md).
+Matrix of what exists today (version 1.5.0). For what comes next, see the [ROADMAP](../ROADMAP.md).
 
 ## Partition tables
 
@@ -99,8 +99,8 @@ The preview is read straight from the disk, without writing anything: image, vid
 | | CLI | Interface | Tests with real images |
 |---|---|---|---|
 | Linux | ✅ | ✅ AppImage and deb | ✅ |
-| Windows | ✅ | ✅ msi and exe | build and synthetic tests only |
-| macOS | ✅ | ✅ dmg | build and synthetic tests only |
+| Windows | ❌ no release binary | ✅ exe installer | build and synthetic tests only |
+| macOS | ❌ not built or tested | ❌ no build | ❌ |
 
 ## What Guará does not do