feat: export continuity plugin MVP packaging

plugins/continuity/test/continuity.smoke.test.mjs

@@ -0,0 +1,28 @@
+import assert from 'node:assert/strict';
+import plugin, {
+  runForceRecallContinuityAdapter,
+  validateContinuityConfig,
+} from '../src/index.mjs';
+
+const configResult = validateContinuityConfig(plugin.defaultConfig);
+assert.equal(configResult.ok, true);
+
+const smoke = runForceRecallContinuityAdapter({
+  config: plugin.defaultConfig,
+  wrapperResult: {
+    classification: 'long_task',
+    planId: 'plan-smoke',
+    currentTask: 'task-8',
+    replyClosureState: 'completed',
+    dispatchReceipt: null,
+  },
+  autoChainPlanResult: {
+    derivedAction: 'continue_task_9',
+    dispatchMode: 'message_subagent',
+  },
+});
+
+assert.equal(smoke.result.ok, false);
+assert.equal(smoke.result.reason, 'missing_auto_next_dispatch');
+assert.match(smoke.block, /APPROVED_PLAN_CONTINUITY_GATE/);
+console.log('continuity.smoke.test.mjs PASS');