feat(tools): link thoughts and learnings

internal/mcpserver/server.go

@@ -38,14 +38,15 @@ type ToolSet struct {
 	Reparse       *tools.ReparseMetadataTool
 	RetryMetadata *tools.RetryEnrichmentTool
 	//Maintenance   *tools.MaintenanceTool
-	Skills          *tools.SkillsTool
-	Personas        *tools.AgentPersonasTool
-	ChatHistory     *tools.ChatHistoryTool
-	Describe        *tools.DescribeTool
-	Learnings       *tools.LearningsTool
-	Plans           *tools.PlansTool
-	ProjectPersonas *tools.ProjectPersonasTool
-	WorldModel      *tools.WorldModelTool
+	Skills               *tools.SkillsTool
+	Personas             *tools.AgentPersonasTool
+	ChatHistory          *tools.ChatHistoryTool
+	Describe             *tools.DescribeTool
+	Learnings            *tools.LearningsTool
+	Plans                *tools.PlansTool
+	ProjectPersonas      *tools.ProjectPersonasTool
+	WorldModel           *tools.WorldModelTool
+	ThoughtLearningLinks *tools.ThoughtLearningLinksTool
 }
 
 // Handlers groups the HTTP handlers produced for an MCP server instance.
@@ -91,6 +92,7 @@ func NewHandlers(cfg config.MCPConfig, logger *slog.Logger, toolSet ToolSet, onS
 		registerProjectTools,
 		registerWorldModelTools,
 		registerLearningTools,
+		registerThoughtLearningLinkTools,
 		registerPlanTools,
 		registerFileTools,
 		registerMaintenanceTools,
@@ -308,6 +310,34 @@ func registerLearningTools(server *mcp.Server, logger *slog.Logger, toolSet Tool
 	return nil
 }
 
+func registerThoughtLearningLinkTools(server *mcp.Server, logger *slog.Logger, toolSet ToolSet) error {
+	if err := addTool(server, logger, &mcp.Tool{
+		Name:        "link_thought_learning",
+		Description: "Create or update an explicit association between a raw thought and a curated learning.",
+	}, toolSet.ThoughtLearningLinks.Link); err != nil {
+		return err
+	}
+	if err := addTool(server, logger, &mcp.Tool{
+		Name:        "unlink_thought_learning",
+		Description: "Remove an explicit association between a thought and a learning.",
+	}, toolSet.ThoughtLearningLinks.Unlink); err != nil {
+		return err
+	}
+	if err := addTool(server, logger, &mcp.Tool{
+		Name:        "get_thought_learnings",
+		Description: "List curated learnings explicitly linked to a thought.",
+	}, toolSet.ThoughtLearningLinks.GetThoughtLearnings); err != nil {
+		return err
+	}
+	if err := addTool(server, logger, &mcp.Tool{
+		Name:        "get_learning_thoughts",
+		Description: "List raw thoughts explicitly linked to a learning.",
+	}, toolSet.ThoughtLearningLinks.GetLearningThoughts); err != nil {
+		return err
+	}
+	return nil
+}
+
 func registerPlanTools(server *mcp.Server, logger *slog.Logger, toolSet ToolSet) error {
 	if err := addTool(server, logger, &mcp.Tool{
 		Name:        "create_plan",
@@ -755,6 +785,10 @@ func BuildToolCatalog() []tools.ToolEntry {
 		{Name: "add_learning", Description: "Create a curated learning record distinct from raw thoughts.", Category: "projects"},
 		{Name: "get_learning", Description: "Retrieve a structured learning by id.", Category: "projects"},
 		{Name: "list_learnings", Description: "List structured learnings with optional project, category, area, status, priority, tag, and text filters.", Category: "projects"},
+		{Name: "link_thought_learning", Description: "Create or update a lightweight explicit association between a raw thought and a curated learning.", Category: "projects"},
+		{Name: "unlink_thought_learning", Description: "Remove a lightweight explicit association between a thought and a learning.", Category: "projects"},
+		{Name: "get_thought_learnings", Description: "List curated learnings explicitly associated with a thought.", Category: "projects"},
+		{Name: "get_learning_thoughts", Description: "List raw source thoughts explicitly associated with a learning.", Category: "projects"},
 
 		// plans
 		{Name: "create_plan", Description: "Create a structured plan with status, priority, owner, due date, and optional project link.", Category: "plans"},