sb-builder - Qt6 GUI to drive SlackBuild tooling on a build VM

Age	Commit message (Expand)	Author	Files	Lines
7 hours	Phase 4b done: mkhint and nvchecker removed from the VM	Danilo M.	1	-3/+3
7 hours	Document bundled deps; phase 4b part 2 plan	Danilo M.	1	-2/+4
14 hours	Hints: Phantom deps dialog	Danilo M.	1	-5/+5
15 hours	UI guidelines in AGENTS.md; README for the new frame	Danilo M.	1	-0/+21
16 hours	Document the Hints screen; phase 4 spec from the implementation	Danilo M.	1	-3/+10
30 hours	Document the Packages tab, publishing and signing key unlock	Danilo M.	1	-0/+14
32 hours	Add launcher, install script and usage docs	Danilo M.	1	-2/+9
32 hours	Initial commit: sb-builder build VM GUI	Danilo M.	1	-0/+50