Add local settings for MCP and update command execution

- Created a new settings.local.json file to enable MCP servers with "shadcn".
- Updated .mcp.json to change the command execution from "npx" to "cmd" for better compatibility.

.claude/DEFAULT_PROMPT.md

@@ -0,0 +1,44 @@
+## Your Task US-025
+
+1. Read the full app PRD at `prd-main.md` (in the same directory as this file)
+2. Read the PRD at `prd.json` (in the same directory as this file)
+3. Read the progress log at `progress.txt` (check Codebase Patterns section first)
+4. **DO YOUR JOB**
+5. Update the PRD to set `passes: true` for the completed story
+6. Append your progress to `progress.txt`
+
+## Progress Report Format
+
+APPEND to progress.txt (never replace, always append):
+```
+## [Date/Time] - [Story ID]
+- What was implemented
+- Files changed
+- **Learnings for future iterations:**
+  - Patterns discovered (e.g., "this codebase uses X for Y")
+  - Gotchas encountered (e.g., "don't forget to update Z when changing W")
+  - Useful context (e.g., "the evaluation panel is in component X")
+---
+```
+
+## USER REQUEST
+{
+  "id": "US-025",
+  "title": "Home dashboard — AI daily brief and suggestion chips",
+  "description": "As a user, I want the Home screen to greet me with an AI-generated daily brief and pre-populated suggestion chips for quick queries.",
+  "acceptanceCriteria": [
+    "Greeting rendered as '✦ Hello, {name}' in Geist Semibold 30px with -1px letter-spacing; name sourced from electron-store (defaults to 'there' if not set)",
+    "Top-right corner stat chip uses shadcn/ui Badge (variant=secondary) showing 'N Task due' where N = count of tasks with dueDate on or before end of today",
+    "On app open, ai.chat called with global context to generate a daily brief paragraph highlighting tasks due today/this week and recent project activity",
+    "Brief displayed below greeting in a shadcn/ui Card; bold key phrases rendered as <strong> (model wraps them in **markdown bold**)",
+    "4 suggestion chips rendered in a 4-column flex row below the chat box using shadcn/ui Button (variant=outline); each chip has a Lucide icon + short prompt text",
+    "Clicking a suggestion chip populates the chat input with the chip's prompt text",
+    "Chat box uses shadcn/ui Textarea: white bg, border #d4d4d4, shadow-lg, min-height 109px, placeholder 'Ask me anything...'; Send uses shadcn/ui Button (black bg) bottom-right",
+    "All UI uses shadcn/ui components (already installed)",
+    "Typecheck passes",
+    "Verify in browser using dev-browser skill"
+  ],
+  "priority": 25,
+  "passes": false,
+  "notes": ""
+}