feat: dsh plugin scanning, enable/disable, and a real MCP writer

README.md

@@ -69,7 +69,7 @@ HarnessKit manages **all five extension types** from a unified interface — **S
 | **Hermes** | ✓ | ✓ | ✓ | ✓ | ✓ |
 | **Kiro** | ✓ | ✓ | — | ✓ | ✓ |
 | **Oh My Pi** | ✓ | ✓ | ✓ | — | ✓ |
-| **DeepSeek Harness** | ✓ | ✓ | — | — | ✓ |
+| **DeepSeek Harness** | ✓ | ✓ | ✓ | — | ✓ |
 
 <small><i>* "—" indicates the agent currently does not support this extension type. Devin Desktop support keeps legacy Windsurf paths compatible.</i></small>
 

crates/hk-core/src/adapter/claude.rs

@@ -373,6 +373,8 @@ impl AgentAdapter for ClaudeAdapter {
                 uri: None,
                 installed_at,
                 updated_at,
+                base_layers: vec![],
+                pack: None,
             });
         }
         entries

crates/hk-core/src/adapter/codex.rs

@@ -435,6 +435,8 @@ impl AgentAdapter for CodexAdapter {
                         uri: None,
                         installed_at: None,
                         updated_at: None,
+                        base_layers: vec![],
+                        pack: None,
                     });
                     break; // Take the latest version after sorting
                 }

crates/hk-core/src/adapter/copilot.rs

@@ -265,6 +265,8 @@ impl AgentAdapter for CopilotAdapter {
                         uri: None,
                         installed_at: None,
                         updated_at: None,
+                        base_layers: vec![],
+                        pack: None,
                     });
                 }
             }
@@ -316,6 +318,8 @@ impl AgentAdapter for CopilotAdapter {
                     uri: Some(plugin_uri.to_string()),
                     installed_at: None,
                     updated_at: None,
+                    base_layers: vec![],
+                    pack: None,
                 });
             }
         }

crates/hk-core/src/adapter/cursor.rs

@@ -241,6 +241,8 @@ impl AgentAdapter for CursorAdapter {
                     uri: None,
                     installed_at: None,
                     updated_at: None,
+                    base_layers: vec![],
+                    pack: None,
                 });
             }
         }
@@ -279,6 +281,8 @@ impl AgentAdapter for CursorAdapter {
                             uri: None,
                             installed_at: None,
                             updated_at: None,
+                            base_layers: vec![],
+                            pack: None,
                         });
                     }
                 }