chore(release): promote 0.6.0 beta candidate

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [main]
+    branches: [main, develop]
   pull_request:
 
 permissions:
@@ -34,6 +34,8 @@ jobs:
           persist-credentials: false
       - name: Validate public-readiness contracts
         run: bash tests/scripts/public-readiness-contract-tests.sh
+      - name: Validate MPL licensing contracts
+        run: bash tests/scripts/licensing-contract-tests.sh
       - name: Validate website localization contracts
         run: bash tests/scripts/website-localization-contract-tests.sh
       - name: Validate public Wiki contracts

.github/workflows/codeql.yml

@@ -2,7 +2,7 @@ name: CodeQL
 
 on:
   push:
-    branches: [main]
+    branches: [main, develop]
   pull_request:
   schedule:
     - cron: '17 3 * * 1'

CHANGELOG.md

@@ -5,6 +5,8 @@ semantico a partire dalla prima release pubblica stabile.
 
 ## [Unreleased]
 
+## [0.6.0-beta.1] - 2026-08-20
+
 ### Added
 
 - build e packaging Windows x64 keyboard-only con esclusione verificata di CoreMIDI;
@@ -19,13 +21,22 @@ semantico a partire dalla prima release pubblica stabile.
 - metronomo opzionale sincronizzato al clock DSP della sessione;
 - controlli CI, CodeQL, Dependabot e template per contributi;
 - documentazione privacy, sicurezza e pubblicazione.
+- Chart Creator locale con import audio, registrazione, editing delle note,
+  waveform, scrubbing e pacchetti portabili `.htksong` senza audio incorporato;
+- Practice Lab con loop di sezioni e punti A/B;
+- Performance Error Map e Auto Tempo Coach basati sui risultati reali;
+- sound check guidato per la compensazione locale della latenza;
+- Ghost Replay visuale locale, isolato da matcher e punteggio;
+- palco reattivo procedurale con movimento ridotto e contrasto elevato.
+- pannello risultati scorrevole con controlli diagnostici e azioni sempre
+  separati e leggibili.
 
 ### Changed
 
 - timestamp MIDI preservati fino al clock della canzone;
 - catalogo incluso limitato a contenuti originali o esempi locali neutrali;
 - toolchain xUnit aggiornata per rimuovere dipendenze transitive vulnerabili;
-- identità applicazione impostata su HitTheKit 0.5.0.
+- identità applicazione impostata su HitTheKit 0.6.0.
 
 ### Removed
 

CONTRIBUTING.md

@@ -4,9 +4,9 @@ Thank you for helping make HitTheKit more reliable, accessible, and useful.
 
 Before participating, read the [Code of Conduct](CODE_OF_CONDUCT.md),
 [support guide](SUPPORT.md), and [project governance](GOVERNANCE.md).
-HitTheKit is intended to remain available under both an open-source GPL license
-and a possible separate commercial-license path. That model requires clear
-copyright permissions for every substantial contribution.
+HitTheKit is intended to remain available under both the open-source MPL-2.0
+Community license and a possible separate commercial-license path. That model
+requires clear copyright permissions for every substantial contribution.
 
 ## Current contribution policy
 
@@ -57,11 +57,32 @@ Approval to discuss an idea is not approval to contribute substantial code or
 assets. A merged change must still satisfy provenance, security, accessibility,
 and release requirements.
 
+### Branch target
+
+Authorized feature, fix, documentation, and maintenance pull requests normally
+target `develop`. The `main` branch represents the latest stable, releasable
+source state and accepts only reviewed release-candidate or urgent hotfix pull
+requests. Use the repository prefixes `feature/`, `fix/`, `chore/`, `docs/`, or
+`hotfix/` for short-lived branches; do not create permanent `beta` or `stable`
+branches.
+
+The complete development, beta, release-candidate, stable, and hotfix workflow
+is documented in
+[`docs/development/branching-and-releases.md`](docs/development/branching-and-releases.md).
+
 A Contributor License Agreement, copyright assignment, or another contribution
 mechanism may be introduced after professional legal review. This document is
 not a CLA, does not transfer copyright, and does not create an implied
 assignment or commercial-license grant.
 
+A Harmony-based copyright-license CLA is currently being evaluated in
+[`docs/legal/CONTRIBUTOR_LICENSE_AGREEMENT_DRAFT.md`](docs/legal/CONTRIBUTOR_LICENSE_AGREEMENT_DRAFT.md),
+with unresolved adoption gates recorded in
+[`docs/legal/CLA_ADOPTION_CHECKLIST.md`](docs/legal/CLA_ADOPTION_CHECKLIST.md).
+Both documents are non-operative drafts. Do not sign or rely on them. Opening a
+pull request, issue, or discussion does not accept the draft, and no CLA
+automation or electronic acceptance process is active.
+
 Until a reviewed mechanism exists, maintainers should not merge a substantial
 external code or asset contribution merely because it was submitted under the
 repository's Community license. The required rights for the proposed

FUNDING.md

@@ -54,7 +54,7 @@ help without creating a recurring commitment:
   accessibility, and focused development time a meaningful one-time boost.
 
 Custom monthly and one-time support remains available through GitHub Sponsors.
-Rewards are digital, low-maintenance, privacy-conscious and independent of GPL
+Rewards are digital, low-maintenance, privacy-conscious and independent of MPL
 rights. Sponsorship does not purchase guaranteed features, roadmap control,
 private GoMyRO access, commercial-song rights or a commercial HitTheKit license.