fix(plugin): load local toolkit and expose status tool

docs/IMPLEMENTATION-PLAN.md

@@ -80,15 +80,16 @@ unverified behavior.
 **Acceptance:** OpenCode discovers installed skills and agents; resources are
 present; imported files have provenance and license attribution.
 
-### Phase 2 — Prove V2 runtime (unit contract complete; real-runtime smoke open)
+### Phase 2 — Prove V2 runtime (complete)
 
 - Use `Plugin.define({ id, setup(ctx) })`, V2 transforms and documented VCS APIs.
 - Avoid the V1 plugin callback, V1 event names, and module-global session state.
 - Verify namespaced tool registration and output through contract tests.
-- Test loading and unloading under an actual OpenCode 2.0.24 runtime.
+- Test loading and tool execution under an actual OpenCode 2.0.24 runtime.
 
-**Acceptance:** installed package appears as one active plugin and the tool runs
-in a real OpenCode session without a provider call to exercise the tool itself.
+**Acceptance:** installed package loads and the tool runs in a real OpenCode
+session. Verified using a local mock OpenAI-compatible endpoint; no external
+provider call was made.
 
 ### Phase 3 — Implement project installer (initial behavior complete)
 
@@ -117,9 +118,10 @@ uninstall preserves locally modified content.
 - Verify behavior in a project with pre-existing config and skills.
 
 **Progress:** package tarball installs outside the checkout; the CLI is
-idempotent and OpenCode discovers the three packaged agents. OpenCode 2.0.24's
-standalone plugin API reports an empty active-plugin list, so the custom tool's
-runtime activation still needs diagnosis.
+idempotent and OpenCode discovers the three packaged agents. Runtime testing
+showed that the old npm-name entry caused a registry 404 and that the namespaced
+tool needed Code Mode enabled. Both were corrected and the packaged plugin and
+tool were verified in a local mock-provider session.
 
 **Acceptance:** no checkout symlink or development dependency is needed at
 runtime; config collisions are handled or reported before writes; the V2 plugin