fix(cron): add one-time reminders and fix data paths to workspace

- Add at_seconds parameter for one-time reminders (e.g., "remind me in 10 minutes")
- Update every_seconds description to emphasize recurring-only usage
- Route cron delivery: deliver=true sends directly, deliver=false uses agent
- Fix cron data path from ~/.picoclaw/cron to workspace/cron
- Fix sessions path from workspace/../sessions to workspace/sessions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pkg/agent/context.go

@@ -69,8 +69,13 @@ Your workspace is at: %s
 
 %s
 
-Always be helpful, accurate, and concise. When using tools, explain what you're doing.
-When remembering something, write to %s/memory/MEMORY.md`,
+## Important Rules
+
+1. **ALWAYS use tools** - When you need to perform an action (schedule reminders, send messages, execute commands, etc.), you MUST call the appropriate tool. Do NOT just say you'll do it or pretend to do it.
+
+2. **Be helpful and accurate** - When using tools, briefly explain what you're doing.
+
+3. **Memory** - When remembering something, write to %s/memory/MEMORY.md`,
 		now, runtime, workspacePath, workspacePath, workspacePath, workspacePath, toolsSection, workspacePath)
 }
 
@@ -86,6 +91,7 @@ func (cb *ContextBuilder) buildToolsSection() string {
 
 	var sb strings.Builder
 	sb.WriteString("## Available Tools\n\n")
+	sb.WriteString("**CRITICAL**: You MUST use tools to perform actions. Do NOT pretend to execute commands or schedule tasks.\n\n")
 	sb.WriteString("You have access to the following tools:\n\n")
 	for _, s := range summaries {
 		sb.WriteString(s)

pkg/agent/loop.go

@@ -69,7 +69,7 @@ func NewAgentLoop(cfg *config.Config, msgBus *bus.MessageBus, provider providers
 	editFileTool := tools.NewEditFileTool(workspace)
 	toolsRegistry.Register(editFileTool)
 
-	sessionsManager := session.NewSessionManager(filepath.Join(filepath.Dir(cfg.WorkspacePath()), "sessions"))
+	sessionsManager := session.NewSessionManager(filepath.Join(workspace, "sessions"))
 
 	return &AgentLoop{
 		bus:            msgBus,
@@ -179,6 +179,9 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 		msg.ChatID,
 	)
 
+	// Save user message to session
+	al.sessions.AddMessage(msg.SessionKey, "user", msg.Content)
+
 	iteration := 0
 	var finalContent string
 
@@ -277,6 +280,9 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 		}
 		messages = append(messages, assistantMsg)
 
+		// Save assistant message with tool calls to session
+		al.sessions.AddFullMessage(msg.SessionKey, assistantMsg)
+
 		for _, tc := range response.ToolCalls {
 			// Log tool call with arguments preview
 			argsJSON, _ := json.Marshal(tc.Arguments)
@@ -287,7 +293,7 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 					"iteration":  iteration,
 				})
 
-			result, err := al.tools.Execute(ctx, tc.Name, tc.Arguments)
+			result, err := al.tools.ExecuteWithContext(ctx, tc.Name, tc.Arguments, msg.Channel, msg.ChatID)
 			if err != nil {
 				result = fmt.Sprintf("Error: %v", err)
 			}
@@ -298,6 +304,9 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 				ToolCallID: tc.ID,
 			}
 			messages = append(messages, toolResultMsg)
+
+			// Save tool result message to session
+			al.sessions.AddFullMessage(msg.SessionKey, toolResultMsg)
 		}
 	}
 
@@ -305,7 +314,7 @@ func (al *AgentLoop) processMessage(ctx context.Context, msg bus.InboundMessage)
 		finalContent = "I've completed processing but have no response to give."
 	}
 
-	al.sessions.AddMessage(msg.SessionKey, "user", msg.Content)
+	// Save final assistant message to session
 	al.sessions.AddMessage(msg.SessionKey, "assistant", finalContent)
 	al.sessions.Save(al.sessions.GetOrCreate(msg.SessionKey))
 
@@ -370,6 +379,9 @@ func (al *AgentLoop) processSystemMessage(ctx context.Context, msg bus.InboundMe
 		originChatID,
 	)
 
+	// Save user message to session with system message marker
+	al.sessions.AddMessage(sessionKey, "user", fmt.Sprintf("[System: %s] %s", msg.SenderID, msg.Content))
+
 	iteration := 0
 	var finalContent string
 
@@ -446,6 +458,9 @@ func (al *AgentLoop) processSystemMessage(ctx context.Context, msg bus.InboundMe
 		}
 		messages = append(messages, assistantMsg)
 
+		// Save assistant message with tool calls to session
+		al.sessions.AddFullMessage(sessionKey, assistantMsg)
+
 		for _, tc := range response.ToolCalls {
 			result, err := al.tools.ExecuteWithContext(ctx, tc.Name, tc.Arguments, msg.Channel, msg.ChatID)
 			if err != nil {
@@ -458,6 +473,9 @@ func (al *AgentLoop) processSystemMessage(ctx context.Context, msg bus.InboundMe
 				ToolCallID: tc.ID,
 			}
 			messages = append(messages, toolResultMsg)
+
+			// Save tool result message to session
+			al.sessions.AddFullMessage(sessionKey, toolResultMsg)
 		}
 	}
 
@@ -465,8 +483,7 @@ func (al *AgentLoop) processSystemMessage(ctx context.Context, msg bus.InboundMe
 		finalContent = "Background task completed."
 	}
 
-	// Save to session with system message marker
-	al.sessions.AddMessage(sessionKey, "user", fmt.Sprintf("[System: %s] %s", msg.SenderID, msg.Content))
+	// Save final assistant message to session
 	al.sessions.AddMessage(sessionKey, "assistant", finalContent)
 	al.sessions.Save(al.sessions.GetOrCreate(sessionKey))
 
@@ -476,6 +493,13 @@ func (al *AgentLoop) processSystemMessage(ctx context.Context, msg bus.InboundMe
 			"final_length": len(finalContent),
 		})
 
+	// Send response back to the original channel
+	al.bus.PublishOutbound(bus.OutboundMessage{
+		Channel: originChannel,
+		ChatID:  originChatID,
+		Content: finalContent,
+	})
+
 	return finalContent, nil
 }