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/contentanalysis/ExtractWisdom/Workflows/Extract.md

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+# Extract Workflow
+
+Extract dynamic, content-adaptive wisdom from any content source.
+
+## Input Sources
+
+| Source | Method |
+|--------|--------|
+| YouTube URL | `fabric -y "URL"` to get transcript |
+| Article URL | WebFetch to get content |
+| File path | Read the file directly |
+| Pasted text | Use directly |
+
+## Execution Steps
+
+### Step 1: Get the Content
+
+Obtain the full text/transcript. For YouTube, use `fabric -y "URL"` to extract transcript. Save to a working file if large.
+
+### Step 2: Deep Read
+
+Read the entire content. Don't extract yet. Notice:
+- What domains of wisdom are present?
+- What made you stop and think?
+- What's genuinely novel vs. commonly known?
+- What would {PRINCIPAL.NAME} highlight if he were reading this?
+- What quotes land perfectly?
+
+### Step 3: Select Dynamic Sections
+
+Based on your deep read, pick 5-12 section names. Rules:
+- Section names must be conversational, not academic
+- Each must have at least 3 quality bullets
+- Always include "Quotes That Hit Different" if source has quotable moments
+- Always include "First-Time Revelations" if genuinely new ideas exist
+- Be SPECIFIC — "Agentic Engineering Philosophy" not "Technology Insights"
+
+### Step 4: Extract Per Section
+
+For each section, extract 3-15 bullets. Apply tone rules from SKILL.md:
+- 8-20 words, flexible for clarity
+- Specific details, not vague summaries
+- Speaker's words when they're good
+- No hedging language
+- Every bullet worth telling someone about
+
+### Step 5: Add Closing Sections
+
+Always append:
+1. **One-Sentence Takeaway** (15-20 words)
+2. **If You Only Have 2 Minutes** (5-7 essential points)
+3. **References & Rabbit Holes** (people, projects, books, tools mentioned)
+
+### Step 6: Quality Check
+
+Run the quality checklist from SKILL.md before delivering.
+
+### Step 7: Output
+
+Present the complete extraction in the format specified in SKILL.md.