Wire dashboard context into Hearthkeeper

app/agent/modes/hearthkeeper.py

@@ -34,9 +34,18 @@ class HearthkeeperMode:
         """Determine if Hearthkeeper should generate a prompt."""
         return minutes_since_activity >= self.activity_threshold
 
-    async def generate_prompt(self, theme: str | None = None) -> str:
+    async def generate_prompt(
+        self,
+        theme: str | None = None,
+        dashboard: dict | None = None,
+        recent_discussion: list[str] | None = None,
+    ) -> str:
         """Generate a gentle prompt for the stream."""
-        prompt = PromptTemplates.gentle_prompt(theme)
+        prompt = PromptTemplates.gentle_prompt(
+            current_theme=theme,
+            dashboard=dashboard,
+            recent_discussion=recent_discussion or [],
+        )
         response = await self.llm_client.generate(prompt)
         logger.info("Hearthkeeper generated gentle prompt")
         return response