Boss4D v1.7.0

What's Changed

• test(build): freeze legacy manifest contract by @regyssilveira in #38
• feat(build): add declarative Delphi target matrix by @regyssilveira in #39
• feat(build): isolate matrix target artifacts by @regyssilveira in #40
• feat(build): add dependency graph and incremental rebuild by @regyssilveira in #41
• feat(build): add safe parallel target scheduler by @regyssilveira in #42
• feat(ide): add transactional per-toolchain registration by @regyssilveira in #43
• Complete multi-Delphi build matrix CLI and diagnostics by @regyssilveira in #44
• Add verified Delphi 10 Seattle support by @regyssilveira in #45
• Document Seattle as the legacy compiler gate by @regyssilveira in #46
• Add risk-aware use cases for sensitive workflows by @regyssilveira in #47
• feat: complete IDE component lifecycle, isolated profiles, and GUI by @regyssilveira in #48
• feat: complete post-1.6 GUI and registry improvements by @regyssilveira in #49
• release: Boss4D v1.7.0 by @regyssilveira in #50
• fix(release): make macOS archive path portable by @regyssilveira in #51
• fix(release): upload hidden staging artifacts by @regyssilveira in #52
• fix(release): use Windows PowerShell on runner by @regyssilveira in #53
• fix(release): require only certified local IDEs by @regyssilveira in #54
• fix(installer): allow optional IDE plugin sources by @regyssilveira in #55
• fix(release): normalize downloaded artifact layout by @regyssilveira in #56

Full Changelog: v1.6.0...v1.7.0