feat(skill): add built-in configure-hooks skill - #53
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July 3, 2026 16:21
Agents have no innate knowledge of opencode's hooks system — the format lives only in source/docs, so without a prompt nudge an agent either guesses wrong or never discovers hooks are possible. Registers a customize-opencode-style built-in skill: description alone tells the agent hooks exist and when to reach for them, full event/format/handler reference loads lazily only when the skill is actually invoked.
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Summary
hooks.json, 27 events, 5 handler types) has no discovery path for agents without an explicit prompt — the format only lives in source/docs, so an agent either guesses wrong or never realizes hooks exist.configure-hooksskill, mirroring the existingcustomize-opencodepattern: a short always-in-context description ("hooks exist, here's when to use them") with the full reference (file locations, event list, handler protocol, migration pointer) loaded lazily only when the skill is invoked.customize-opencode:packages/opencode/src/skill/index.ts(v1, CLI runtime) andpackages/core/src/plugin/skill.ts(v2,define()-based plugin registry) — kept in parity so neither runtime silently lacks the skill.Changes
packages/core/src/plugin/skill/configure-hooks.md— skill body: hooks.json locations/hot-reload behavior, concat-append merge order, matcher syntax, 27-event list, 5 handler types, command protocol (stdin/exit-code-2/env vars), and the/import-claude-hooksmigration pointerpackages/core/src/plugin/skill.ts— exportsConfigureHooksContent, registers the skill in the v2Pluginpackages/opencode/src/skill/index.ts— registers the built-in skill for the v1 (CLI) skill registrypackages/core/test/plugin/skill.test.ts— asserts the v2 plugin registersconfigure-hooksTest plan
bun test packages/core/test/plugin/skill.test.ts— 2 pass (existingcustomize-opencodecase + newconfigure-hookscase)bun test packages/opencode/test/skill/— 22 pass, no regressionsbun turbo typecheck(via pre-commit hook) — 29/29 packages pass