feat: add Claude Code conversation tracker

- Create claude-code-tracker service to monitor and parse Claude Code conversations
- Parse JSONL format with messages, tool calls, and metadata
- Store in SQLite with full-text search support
- Generate daily summaries using Claude API
- Add Conversations UI with search, stats, and conversation browsing
- Integrate with dashboard backend and frontend
- Add sync script for Mac to NAS file transfer

dashboard/frontend/src/App.svelte

@@ -8,6 +8,7 @@
   import OpenClaw from "./routes/OpenClaw.svelte";
   import Settings from "./routes/Settings.svelte";
   import ChatSummary from "./routes/ChatSummary.svelte";
+  import Conversations from "./routes/Conversations.svelte";
   import Security from "./routes/Security.svelte";
   import LiteLLM from "./routes/LiteLLM.svelte";
   import CcConnect from "./routes/CcConnect.svelte";
@@ -26,6 +27,7 @@
     "terminal",
     "openclaw",
     "chat-digest",
+    "conversations",
     "settings",
     "security",
     "litellm",
@@ -201,6 +203,8 @@
           <OpenClaw />
         {:else if page === "chat-digest" && hasPageAccess("chat-digest")}
           <ChatSummary />
+        {:else if page === "conversations" && hasPageAccess("conversations")}
+          <Conversations />
         {:else if page === "settings" && userRole === "admin"}
           <Settings />
         {:else if page === "security" && hasPageAccess("security")}