feat: release 2.3.0 with workspace plugin extensions

artemis/plugins/models.py

@@ -12,6 +12,8 @@ from packaging.specifiers import SpecifierSet
 from packaging.version import Version
 from pydantic import BaseModel, ConfigDict, Field, SecretStr, field_validator, model_validator
 
+from artemis.plugins.workspace import WorkspaceContribution
+
 Identifier = Annotated[str, Field(pattern=r"^[a-z][a-z0-9_-]{0,47}$")]
 
 
@@ -94,7 +96,7 @@ class EvidenceSource(PluginModel):
 
 
 class PluginManifest(PluginModel):
-    schema_version: Literal[1, 2] = 1
+    schema_version: Literal[1, 2, 3] = 1
     id: Identifier
     name: str = Field(min_length=1, max_length=100)
     version: str
@@ -113,6 +115,7 @@ class PluginManifest(PluginModel):
     targets: list[ExecutionTarget] = Field(default_factory=lambda: ["mixed"])
     observation: PluginObservation | None = None
     capabilities: PluginCapabilities | None = None
+    workspace: WorkspaceContribution | None = None
 
     @field_validator("version")
     @classmethod
@@ -130,14 +133,16 @@ class PluginManifest(PluginModel):
 
     @model_validator(mode="after")
     def has_capability(self):
-        if self.server is None and self.skill is None:
-            raise ValueError("插件至少需要 MCP 服务或 Skill")
+        if self.server is None and self.skill is None and self.workspace is None:
+            raise ValueError("插件至少需要 MCP 服务、Skill 或工作区扩展")
+        if self.workspace is not None and self.schema_version != 3:
+            raise ValueError("工作区扩展需要 schema_version=3")
         for name, field in self.config.items():
             if field.secret and field.default:
                 raise ValueError(f"密钥字段 {name} 不允许默认值")
         if self.schema_version == 1 and self.capabilities is not None:
             raise ValueError("能力契约需要 schema_version=2；旧清单保持兼容")
-        if self.schema_version == 2:
+        if self.schema_version >= 2:
             if self.capabilities is None:
                 raise ValueError("第二版插件必须声明 capabilities")
             if self.observation: