feat(plugins): list ReMe and align manifest install support

hermes_cli/plugins_cmd.py

@@ -20,6 +20,7 @@ from hermes_cli._subprocess_compat import noninteractive_git_env
 from hermes_cli.cli_output import line_input
 from hermes_cli.config import cfg_get
 from hermes_cli.plugin_capabilities import _child_dict
+from hermes_cli.plugins_manifest import SUPPORTED_MANIFEST_VERSION
 from hermes_cli.secret_prompt import masked_secret_prompt
 from utils import atomic_write_text
 
@@ -165,10 +166,6 @@ def _scan_plugin_tree(plugin_dir: Path, identifier: str, *, force: bool, scan_de
     return result
 
 
-# Highest ``manifest_version`` this installer understands; breaking schema changes bump it.
-_SUPPORTED_MANIFEST_VERSION = 1
-
-
 def _plugins_dir() -> Path:
     """Return the user plugins directory, creating it if needed."""
     plugins = get_hermes_home() / "plugins"
@@ -595,11 +592,11 @@ def _check_manifest_version(manifest: dict, plugin_name: str) -> None:
         raise PluginOperationError(
             f"Plugin '{plugin_name}' has invalid manifest_version '{mv}' (expected an integer).",
         ) from None
-    if mv_int > _SUPPORTED_MANIFEST_VERSION:
+    if mv_int > SUPPORTED_MANIFEST_VERSION:
         from hermes_cli.config import recommended_update_command
         raise PluginOperationError(
             f"Plugin '{plugin_name}' requires manifest_version {mv}, "
-            f"but this installer only supports up to {_SUPPORTED_MANIFEST_VERSION}. "
+            f"but this installer only supports up to {SUPPORTED_MANIFEST_VERSION}. "
             f"Run {recommended_update_command()} to update Hermes.",
         ) from None
 

plugin-catalog/reme.yaml

@@ -0,0 +1,15 @@
+name: reme
+repo: https://github.com/agentscope-ai/ReMe
+sha: 9ebe17a89d41c599a1c0cef6a67810ba2711717c
+subdir: integrations/hermes_agent
+description: Local-first, file-native long-term memory with HTTP and embedded ReMe backends.
+maintainer: agentscope-ai
+tier: community
+category: memory
+requires_hermes: ">=0.21"
+docs_url: https://github.com/agentscope-ai/ReMe/tree/main/integrations/hermes_agent
+capabilities:
+  provides_tools: []
+  provides_hooks: []
+  provides_middleware: []
+  requires_env: []

tests/hermes_cli/test_plugin_manifest_v2.py

@@ -18,6 +18,7 @@ from hermes_cli.plugins import (
     resolve_plugin_load_order,
     validate_config_schema,
 )
+from hermes_cli.plugins_cmd import PluginOperationError, _check_manifest_version
 
 
 def _write_plugin(base, name, manifest_extra=None, register_body="pass"):
@@ -85,6 +86,19 @@ class TestV1Regression:
 
 
 class TestV2Parsing:
+    def test_installer_accepts_the_manifest_version_the_loader_supports(self):
+        _check_manifest_version(
+            {"manifest_version": SUPPORTED_MANIFEST_VERSION},
+            "modern",
+        )
+
+    def test_installer_rejects_future_manifest_versions(self):
+        with pytest.raises(PluginOperationError, match="only supports up to"):
+            _check_manifest_version(
+                {"manifest_version": SUPPORTED_MANIFEST_VERSION + 1},
+                "future",
+            )
+
     def test_v2_fields_parse(self, hermes_home):
         _write_plugin(
             hermes_home / "plugins", "modern",