feat(capabilities): PR-3 — discovery→registry sync (zero-code onboarding)#681
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…ing G2)
Reads Capability Descriptors (PR-1) that a provider publishes in their
orchestrator's /discovery advertisement and runs them through the shipped
cap-lifecycle: validate → dedup by semantic_key → NEW identity registers into
the universal overlay (so the agent can describe/list it), EXISTING same-name is
an idempotent refresh, DIFFERENT name is a synonym and is SKIPPED + reported.
This turns "provider does work" into "it just works" — no hand-run cap_add, no
hardcoded per-cap map.
- lib/capabilities/discovery-sync.ts: PURE projection + planner (descriptorToEntry,
synthesizeUsage from the io contract, planDiscoverySync, extractDescriptors —
tolerant of array / {runners} / {orchestrators} shapes, ignores legacy
no-descriptor entries) + thin I/O (applyDiscoverySync, fetchDiscoveryDescriptors).
- app/api/cron/capability-sync/route.ts: DEFAULT-OFF (CAP_DISCOVERY_SYNC_ENABLED),
CRON_SECRET-guarded, best-effort per URL.
SAFETY: additive (new module + default-off route, no edits to existing paths);
fail-open (bad descriptor/URL skipped, never thrown); writes only the
operator-governed universal overlay. Golden green; 12 unit tests.
Plan: LIVE-RUNNER-CAP-ADOPTION-PROPOSAL.html §4 (PR-3). Reuses PR-1 descriptor
schema + the shipped registry-overlay + cap_add dedup semantics.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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PR-3 of the zero-code capability-provider onboarding effort (plan:
LIVE-RUNNER-CAP-ADOPTION-PROPOSAL.html§4, gap G2). Builds on PR-1 (#680).What
Ingests Capability Descriptors a provider publishes in their orchestrator's
/discoveryadvertisement and runs them through the shipped cap-lifecycle — so onboarding needs no hand-runcap_addand no hardcoded per-cap map.validate(PR-1) →dedupbysemantic_key→ NEW identity registers into the universal overlay (describable/listable) · EXISTING same-name = idempotent refresh · different name = synonym, skipped + reported.Files (all new — additive)
lib/capabilities/discovery-sync.ts— pure projection + planner (descriptorToEntry,synthesizeUsagefrom theiocontract,planDiscoverySync,extractDescriptors— tolerant ofarray/{runners}/{orchestrators}shapes, ignores legacy no-descriptor entries) + thin I/O (applyDiscoverySync,fetchDiscoveryDescriptors).app/api/cron/capability-sync/route.ts— DEFAULT-OFF (CAP_DISCOVERY_SYNC_ENABLED),CRON_SECRET-guarded, best-effort per URL.tests/unit/capability-discovery-sync.test.ts— 12 tests.No-regression guarantees
CAP_DISCOVERY_SYNC_ENABLED=1.cap_add/cap_seed.Consumes / enables
validateDescriptor+ the shippedregistry-overlay.usageblock sodescribe_capabilityshows the right verb (run_capabilityfor text,create_mediafor media) — therun_capabilityverb lands in PR-4 (paired with PR-2's descriptor-driven SDK dispatch).🤖 Generated with Claude Code