feat: IMAP mail sync with thread-to-contact matching (PRD §6.1)

Real IMAP connection via imapflow library:
- Connects to IMAP server (IMAPFlow, TLS on port 993)
- Fetches recent messages (configurable limit, default 20)
- Extracts: from, fromEmail, subject, date, snippet (200 chars)
- Thread-to-contact matching (PRD §6.1):
  1. Match sender email against persons table
  2. If no person match, extract domain and match against company.website
  3. Returns matchedCompany + matchedPerson for each email
- Audit-logged (action: crm.mailsync:imap)
- Zod validated (host, port, user, password, folder, limit)
- 502 on IMAP connection failure with detail
- 400 on validation failure

Tested: invalid creds → 502 'IMAP connection failed', missing host → 400

skills/design/design-systems/style-skills/energetic/DESIGN.md

@@ -0,0 +1,51 @@
+---
+name: Energetic
+colors:
+  primary: "#EA580B"
+  secondary: "#F59E0B"
+  background: "#FFEDD5"
+  surface: "#FDBA74"
+  text: "#EA580C"
+  neutral: "#FDBA74"
+typography:
+  h1:
+    fontFamily: "Limelight"
+    fontSize: 3rem
+  body-md:
+    fontFamily: "Limelight"
+    fontSize: 1rem
+  label-caps:
+    fontFamily: "JetBrains Mono"
+    fontSize: 0.75rem
+  sourceScale: "12/14/16/20/24/32/48"
+  weights: "400"
+rounded:
+  sm: 4px
+  md: 8px
+spacing:
+  sm: 4px
+  md: 8px
+  sourceScale: "4/8/12/16/24/32/48/64"
+---
+
+## Overview
+
+Dynamic, vibrant style with thick borders, geometric shapes, high-contrast colors, and expressive typography conveying motion and vitality.
+
+## Style Foundations
+
+- **Visual style:** bold, geometric, vibrant, thick-bordered
+- **Typography scale:** 12/14/16/20/24/32/48
+- **Typography fonts:** primary=Limelight, display=Limelight, mono=JetBrains Mono
+- **Typography weights:** 400
+- **Color palette:** primary, secondary, neutral
+- **Spacing scale:** 4/8/12/16/24/32/48/64
+
+## Colors
+
+- **Primary (#EA580B):** Token from style foundations.
+- **Secondary (#F59E0B):** Token from style foundations.
+- **Background (#FFEDD5):** Token from style foundations.
+- **Surface (#FDBA74):** Token from style foundations.
+- **Text (#EA580C):** Token from style foundations.
+- **Neutral (#FDBA74):** Derived from the surface token for official format compatibility.