diff --git a/.github/workflows/plugin-api-v3.yml b/.github/workflows/plugin-api-v3.yml
index 59d0648..dfab451 100644
--- a/.github/workflows/plugin-api-v3.yml
+++ b/.github/workflows/plugin-api-v3.yml
@@ -36,7 +36,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           repository: kachofugetsu09/akashic-agent
-          ref: 07d5e622dfd62badb519c19c45b62c2066a7a087
+          ref: bad54a58135712793957cafede0b3e3ca89501ae
           path: .akashic-core
       - uses: actions/setup-python@v5
         with:
diff --git a/plugin.py b/plugin.py
index 3e49f51..d6da0b8 100644
--- a/plugin.py
+++ b/plugin.py
@@ -93,8 +93,10 @@ async def apply(ctx: Context, config: object) -> None:
         ),
     )
 
-    # 2. Bind every executable contribution to this Fiber's lifecycle.
-    await ctx.on(AFTER_TURN_COMMITTED, runtime.enqueue)
+    # 2. Candidate Roots expose read-only projections without formal side effects.
+    if session_read.formal:
+        await ctx.on(AFTER_TURN_COMMITTED, runtime.enqueue)
+        await ctx.spawn(runtime.run_worker(), name="proactive_feedback_worker")
     await ui_slots.register_mobile(
         ctx,
         MobileUiDefinition(
@@ -107,7 +109,6 @@ async def apply(ctx: Context, config: object) -> None:
         ),
         query=runtime.query_mobile,
     )
-    await ctx.spawn(runtime.run_worker(), name="proactive_feedback_worker")
 
 
 class ProactiveFeedbackRuntime:
@@ -137,7 +138,7 @@ def enqueue(self, event: TurnCommitted) -> None:
         """Durably record one committed Turn identity and wake the worker."""
 
         # 1. Candidate validation has no formal Session or plugin data owner.
-        if getattr(self._session_read, "_lookup_existing", None) is None:
+        if not self._session_read.formal:
             raise RuntimeError("候选验证期禁止写入 proactive_feedback")
         if event.persisted_user_message is None or not _event_user_message_ids(event):
             return
diff --git a/tests/test_plugin.py b/tests/test_plugin.py
index 2685e2b..70ac38a 100644
--- a/tests/test_plugin.py
+++ b/tests/test_plugin.py
@@ -20,6 +20,7 @@
 from agent.plugins.manager import PluginManager
 from agent.plugins.mobile_ui import PluginMobileUiProvider
 from agent.plugins.manifest import write_plugin_manifest
+from agent.turn_events.after_turn import AFTER_TURN_COMMITTED
 from agent.turn_events.proactive_feedback import ProactiveFeedbackCommitted
 from bus.events_lifecycle import TurnCommitted
 from bus.event_bus import EventBus
@@ -1078,6 +1079,10 @@ async def test_manager_stable_candidate_ui_dashboard_and_cleanup(tmp_path: Path)
         assert binding.runtime_data_root is not None
         assert binding.runtime_data_root != formal_data.resolve()
         assert not (binding.runtime_data_root / "proactive_feedback.db").exists()
+        candidate_root = candidate_snapshot.composition_root
+        assert candidate_root is not None
+        candidate_root.context.emit(AFTER_TURN_COMMITTED, _event())
+        assert not (binding.runtime_data_root / "proactive_feedback.db").exists()
         assert hashlib.sha256(formal_database.read_bytes()).hexdigest() == formal_digest
         await manager.discard_prepared("proactive_feedback")
         assert manager.current_snapshot is stable