fix(tool-execute-after): narrow metadata warning tools

Remove non-store tool names from the metadata recovery warning gate so call_omo_agent and dead aliases fail open without warning spam. Keep warnings for tools backed by the recovery store: background_output, edit, and task.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/plugin/tool-execute-after-metadata-recovery.test.ts

@@ -47,6 +47,34 @@ describe("createToolExecuteAfterHandler metadata recovery", () => {
     }
   })
 
+  it("#given call_omo_agent has no recoverable store entry #when tool.execute.after runs #then it fails open without warning spam", async () => {
+    // given
+    const logDir = mkdtempSync(join(tmpdir(), "omo-tool-after-"))
+    const logPath = join(logDir, "omo.log")
+    _setLoggerForTesting({ filePath: logPath })
+    const handler = createToolExecuteAfterHandler({
+      ctx: { directory: "/repo" } as never,
+      hooks: {} as never,
+    })
+    const output = { title: "result", output: "agent output", metadata: {} }
+
+    try {
+      // when
+      await handler(
+        { tool: "call_omo_agent", sessionID: "ses_parent", callID: "call_agent" },
+        output,
+      )
+      _flushForTesting()
+
+      // then
+      expect(output).toEqual({ title: "result", output: "agent output", metadata: {} })
+      expect(readLogIfPresent(logPath)).not.toContain("Unable to recover stored metadata")
+    } finally {
+      _resetLoggerForTesting()
+      rmSync(logDir, { force: true, recursive: true })
+    }
+  })
+
   it("#given metadata-linked tool has stale metadata #when tool.execute.after runs #then it warns and still completes hooks", async () => {
     // given
     const logDir = mkdtempSync(join(tmpdir(), "omo-tool-after-"))

src/plugin/tool-execute-after.ts

@@ -8,10 +8,7 @@ const VERIFICATION_ATTEMPT_PATTERN = /<ulw_verification_attempt_id>(.*?)<\/ulw_v
 
 const METADATA_LINKED_TOOLS = new Set([
   "background_output",
-  "background_task",
-  "call_omo_agent",
   "edit",
-  "hashline_edit",
   "task",
 ])