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feat(plugins): qualify host VST3 chains and refresh the DAW gallery (phase 89)

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Johannes Findeisen 2026-11-06 01:50:25 +01:00
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docs/ROADMAP.md
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@ -2015,12 +2015,40 @@ Implemented: selected insert wet amount (0–1) and chain output gain (0–4) co
Load compatible installed host VST3 effects in real track chains, capture screenshots, update usage documentation and qualify integration, persistence and real-time boundaries.
### Tasks and acceptance criteria
- [ ] Implement the described workflow with validated errors and safe ownership.
- [ ] Pass relevant core and/or GUI tests.
- [ ] Document behavior and limitations; commit this phase separately.
- [x] Implement the described workflow with validated errors and safe ownership.
- [x] Pass relevant core and/or GUI tests.
- [x] Document behavior and limitations; commit this phase separately.
### Implementation status
Planned.
Implemented: installed host ZamEQ2, ZamAutoSat and ZamDelay VST3 effects load together, render finite nonzero output and export a non-silent WAV. A bounded VST3 output-parameter sink fixes host assertion logging; the fixture verifies notification/reset/capacity behavior. Actual format labels and scrollable compact insert graphs are verified. All 52 prior screenshots were refreshed and five real compact/VST3 captures added. Full core/reliability, four-format insert GUI, full effect/instrument GUI matrix, JACK lifecycle, ASan/UBSan core and focused/full GUI, static analysis and both staged install layouts passed. See TRACK_INSERTS.md and screenshots/README.md for exact limits and reproduction.
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### Integrated validation for Phases 80–89
All ten phases have separate tested implementation commits. Verification used
`make BUILD_DIR=build/audio-editor all test test-reliability gui`,
`test-gui-track-fx`, the full `test-gui`, `test-gui-modern-plugins`,
`test-gui-instruments`, `test-gui-plugins` and `test-gui-jack` targets,
`analyze`, `test-install` and `test-install-layout`. Clang ASan/UBSan core,
allocation guards and focused/full GUI checks passed using only the existing
system Fontconfig leak suppression. The normal GCC build is warning-free;
Clang/FLTK emits the existing redundant-instrumentation warning.
The opt-in `XTC_TEST_HOST_VST3=1` core check loaded the installed Zam VST3
binaries, rendered their serial MIDI-track chain and validated non-silent WAV
export. The screenshot tool refreshed the complete prior gallery; its
`XTC_CAPTURE_HOST_VST3=1` mode captured the real loaded chain, identity view,
parallel branches, compact workspace and creation menu. Metadata-only CLI
inspection tests cover insert dependencies, malformed/overflow records,
nonfinite values, missing modules and v16 migration without executing modules.
No dependency was added. Writer format is 17, reads 1–17. Inserts remain bounded
mono effects with zero reported latency, control-thread edits and no native
plugin editors or modern parameter/state persistence. Bus/hybrid inserts reject
preparation. These tests qualify host ownership and the named configurations;
physical hardware, arbitrary third-party plugins and feature parity with mature
DAWs are not claimed. See TRACK_INSERTS.md and KNOWN_LIMITATIONS.md.
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