fix: opencode plugin loading, native binding self-heal, variants, plan mode#8
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opencode resolves a plugin's entrypoint only from exports["./server"] or main; neither existed, so the package installed but registered no hooks and the cursor provider never appeared. Keep ./plugin for back-compat and correct the README install spec (bare package name).
opencode installs plugin packages with bun, which skips sqlite3's
install script, so @cursor/sdk's eager require("sqlite3") crashes with
"Could not locate the bindings file". Before loading the SDK (in-process
or sidecar), detect the missing binding and run sqlite3's own
prebuild-install -r napi under the system Node. One attempt per
process; failures log a manual fix and never throw.
Hosts position a part where it starts; appending later deltas to one long-lived text part rendered the final answer above the thinking blocks that preceded it. Close the open text part when reasoning begins and start a fresh text-N part for each resume.
opencode discards the provider.models() hook for providers outside its models.dev catalog, so config-seeded models are the only channel for variants — toOpencodeModels now includes them. Rename variants against the real catalog shapes: boolean params (thinking=[false,true]) collapse to one param-named variant instead of literal true/false; enum params (effort, reasoning) key by bare value with id-prefix only on collision. Drop the plan variant — plan is opencode's plan agent, mapped via chat.params.
chat.params fires after opencode merges the selected variant, so the agent-based default only applies when no explicit mode was chosen.
This was referenced Jun 10, 2026
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What
Five fixes from live testing against opencode 1.16.2:
./serverexport so opencode loads plugin — opencode resolves a plugin entrypoint only fromexports["./server"]ormain; neither existed, so the package installed but registered zero hooks (no provider, no models). README install spec corrected to the bare package name.@cursor/sdk's eagerrequire("sqlite3")then crashes ("Could not locate the bindings file"). The plugin now detects the missing binding before SDK load and runs sqlite3's ownprebuild-install -r napiunder the system Node. One attempt per process, never throws, logs a manual fix on failure.text-Npart.provider.models()hook for providers outside its models.dev catalog, so variants must ride on the config-seeded models. Variant naming reworked against the real catalog: boolean params collapse to a single param-named variant (no more literaltrue/false), enum params key by bare value, and theplanvariant is gone (plan is opencode's agent).chat.paramsfires post-variant-merge, so the agent default never clobbers an explicit mode.Testing
tsc --noEmitclean,tsupbuild clean.