test(issue-5): add layer-1 herdr and layer-2 watcher test fixtures

tests/fixtures/issue_5/herdr/agy/wait_timeout.json

@@ -0,0 +1,35 @@
+{
+  "schema_version": "1.0.0",
+  "capture_id": "cap-agy-timeout-01",
+  "backend": "agy",
+  "herdr_version": "0.8.2",
+  "backend_version": "unknown",
+  "platform": "darwin-arm64",
+  "provenance": "observed",
+  "command_argv": [
+    "herdr",
+    "agent",
+    "wait",
+    "creator-agy-01",
+    "--until",
+    "done",
+    "--timeout",
+    "50"
+  ],
+  "exit_code": 1,
+  "stdout_payload": null,
+  "stderr": "{\"error\":{\"code\":\"timeout\",\"message\":\"timed out waiting for agent status\"},\"id\":\"cli:agent:wait\"}",
+  "captured_at": "2026-09-06T00:45:00Z",
+  "collector_clock_id": "CLOCK_MONOTONIC",
+  "monotonic_start": 100.0,
+  "monotonic_end": 100.05,
+  "evidence_reference": ".mam/jobs/129a95db/evidence/timeout_stderr.json",
+  "normalization_map_reference": "paths_normalized: /Users/godopu16/PuKi/laa/canary_projects/multi-agent-mux -> <WORKSPACE_ROOT>",
+  "payload": {
+    "error": {
+      "code": "timeout",
+      "message": "timed out waiting for agent status"
+    },
+    "id": "cli:agent:wait"
+  }
+}