Clean release snapshot

tests/js/capabilities_ownership.test.js

@@ -0,0 +1,34 @@
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const { loadCapabilities } = require('./capabilities_test_harness');
+
+test('exclusive duplicate owners report conflict and degrade dispatch', async () => {
+    const window = loadCapabilities();
+    const api = window.slopsmith.capabilities;
+    api.registerParticipant('owner_a', { stems: { roles: ['owner'], commands: ['mute'], handlers: { mute: () => ({ outcome: 'handled' }) }, runtime: true } });
+    api.registerParticipant('owner_b', { stems: { roles: ['owner'], commands: ['mute'], handlers: { mute: () => ({ outcome: 'handled' }) }, runtime: true } });
+
+    const inspection = api.inspect('stems');
+    const result = await api.dispatch({ capability: 'stems', command: 'mute', source: 'test' });
+
+    assert.equal(inspection.conflicts.some(c => c.type === 'duplicate-owner'), true);
+    assert.equal(result.status, 'no-handler');
+    assert.match(result.reason, /multiple owners|duplicate-owner|degraded/i);
+});
+
+test('no-owner no-handler and unsupported-command outcomes are explicit', async () => {
+    const window = loadCapabilities();
+    const api = window.slopsmith.capabilities;
+    let result = await api.dispatch({ capability: 'missing-domain', command: 'mute', source: 'test' });
+    assert.equal(result.status, 'no-owner');
+    assert.equal(result.outcome, 'no-owner');
+
+    api.registerParticipant('stems', { stems: { roles: ['owner'], commands: ['mute'], runtime: true } });
+    result = await api.dispatch({ capability: 'stems', command: 'unknown', source: 'test' });
+    assert.equal(result.status, 'unsupported-command');
+    assert.equal(result.outcome, 'unsupported-command');
+
+    result = await api.dispatch({ capability: 'stems', command: 'mute', source: 'test' });
+    assert.equal(result.status, 'no-handler');
+    assert.equal(result.outcome, 'no-handler');
+});