Initial BizOne portal setup

reference/07-page-wireframes.md

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+# Page Wireframes
+
+## Dashboard Overview
+- Sidebar left
+- Header top
+- 4 KPI cards top row
+- Message volume chart
+- Delivery funnel
+- Recent campaigns table
+- Webhook health panel
+
+## Contacts List
+- Search and filters top
+- Import/export/add buttons
+- Main contacts table
+- Detail drawer on row click
+
+## Conversations
+- Left thread list
+- Right chat panel
+- Top assignment/status actions
+- Bottom message composer or template quick reply
+
+## Webhook Settings
+- Main config form left
+- Health summary card right
+- Recent event mini-table right bottom
+
+## Queue Monitor
+- Job counters top
+- Worker health section
+- Failed jobs table
+- Retry actions