feat(integrations): add Hermes provider with shared memory utilities

integrations/agent-plugin-core/tests/test_message_utils.py

@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+import subprocess
+import sys
+from pathlib import Path
+
+CORE = Path(__file__).resolve().parents[1] / "python"
+
+
+def test_message_helpers_are_standalone_and_keep_legacy_exports() -> None:
+    result = subprocess.run(
+        [
+            sys.executable,
+            "-c",
+            """
+import json
+import sys
+import message_utils
+assert "memory_core" not in sys.modules
+assert "telemetry" not in sys.modules
+text = "prefix " + "日本語🙂" * 250 + ' {"password": "secret value"}'
+redacted = message_utils.redact(text)
+assert "secret value" not in redacted
+messages = [{"role": "user", "content": redacted}]
+batches = message_utils.extraction_message_batches(messages, max_tokens=100)
+assert len(batches) > 1
+assert all(message_utils._message_tokens(batch) <= 100 for batch in batches)
+assert "".join(m["content"] for batch in batches for m in batch) == redacted
+import memory_core
+for name in ("redact", "SECRET_PATTERNS", "extraction_message_batches", "_message_tokens"):
+    assert getattr(memory_core, name) is getattr(message_utils, name)
+""",
+        ],
+        cwd=CORE,
+        text=True,
+        capture_output=True,
+        check=False,
+    )
+    assert result.returncode == 0, result.stdout + result.stderr