chore: and more cleanups

specs/mcp.allium

@@ -15,6 +15,16 @@ entity McpServer {
     is_running: Boolean
 }
 
+surface McpServerSurface {
+    context server: McpServer
+
+    exposes:
+        server.transport
+        server.host
+        server.port
+        server.is_running
+}
+
 entity Proposal {
     kind: draft_post | propose_script | propose_template | propose_media_metadata | propose_post_metadata
     status: pending | accepted | discarded | expired
@@ -38,6 +48,24 @@ entity Proposal {
     }
 }
 
+surface ProposalSurface {
+    context proposal: Proposal
+
+    exposes:
+        proposal.kind
+        proposal.status
+        proposal.entity_id
+        proposal.data
+        proposal.created_at
+        proposal.expires_at
+        proposal.draft_post when proposal.draft_post != null
+        proposal.proposed_script when proposal.proposed_script != null
+        proposal.proposed_template when proposal.proposed_template != null
+        proposal.target_media when proposal.target_media != null
+        proposal.target_post when proposal.target_post != null
+        proposal.is_expired
+}
+
 config {
     http_port: Integer = 4124
     proposal_ttl_app: Duration = 30.minutes
@@ -339,6 +367,13 @@ value McpAgentKind {
     kind: String
 }
 
+surface McpAgentKindSurface {
+    context agent_kind: McpAgentKind
+
+    exposes:
+        agent_kind.kind
+}
+
 rule InstallAgentConfig {
     when: InstallAgentConfigRequested(agent_kind)
     -- Writes stdio MCP server config into the agent's config file