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Phase 25: improve LADSPA discovery, parameter editing and plugin lifecycle

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Johannes Findeisen 2026-10-27 16:24:21 +01:00
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docs/RECOVERY.md
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@ -57,3 +57,21 @@ float32 WAV from complete on-disk frames, ignoring a trailing partial frame.
It never changes the source or overwrites an existing destination. This
supersedes the earlier lack of a WAV recovery tool described above. See
AUDIO_FILES.md for format/ownership/size limits and `make test-recording`.
## Plugin load and replacement failures (Phase 25)
GUI Open reports an unavailable/incompatible plugin's label and absolute module
path and retains the current document. Preserve the saved file; restore a
compatible module at its original path and retry Open. `xtc-check --validate`
checks metadata without executing plugins, so success does not certify that a
module exists or initializes. Metadata-only C load/save preserves unavailable
plugin records. There is no automatic missing-plugin substitution or GUI relink
for an unopened document.
For an already loaded project, Replace selected plugin preserves wires and node
ID only for the same audio layout. New defaults replace controls/automation;
Undo restores the original configuration. Failed discovery/compile/instantiate
retains the original graph, controls and history position. Cancel in the generic
parameter editor discards its temporary values. Reset defaults clears automation
only when applied. No host recovery can contain a crash or hang in trusted native
plugin code; LADSPA has no runtime error-return channel.