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OmikronApexandClaude Fable 5
db337eaf29
The single highest-value fix of the TLC pass (deep-read §1): one native chain-mutation mutex (addon/ChainOps) held across the FULL Execute() of every chain worker (LoadPreset/LoadVST/LoadNAM/LoadIR/ReplaceIR) and the synchronous mutators (clearChain/removeProcessor/moveProcessor). Two overlapping loadPreset calls can no longer interleave clear()/addProcessor() into a merged-garbage chain — the plugin-vs-plugin fight becomes last-writer-wins. chainGeneration (monotonic, bumped under the mutex) is returned in loadPreset results and exposed as getChainGeneration (new export, snapshot regenerated), so the audio-effects executor can detect a foreign write invalidated its stageSlots map and re-sync instead of flipping bypass/params on wrong slots — the prerequisite for the single-chain-owner ownership track. Also rides here: LoadPresetWorker's slot-state restore goes through setSlotState() instead of const_cast (deep-read §9). The phase-0 storm test flips from expected-fail to a hard gate: 50 iterations of concurrent loadPreset now always end with exactly one caller's chain. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>