feat(agent): add research agent type constants and config struct

pkg/agent/types.go

@@ -0,0 +1,17 @@
+package agent
+
+// Research agent type constants
+const (
+	ResearchAgentLiterature = "literature-analyzer"
+	ResearchAgentExtractor = "data-extractor"
+	ResearchAgentValidator  = "fact-validator"
+	ResearchAgentSynthesizer = "synthesizer"
+)
+
+// ResearchAgentConfig holds configuration for research agents
+type ResearchAgentConfig struct {
+	Type     string `json:"type"`
+	Progress int    `json:"progress"`
+	RAM      string `json:"ram"`
+	Active   bool   `json:"active"`
+}