Optimize skill files for AI agent use with progressive disclosure

- Fix marketplace.json: add 2 missing skills (content-strategy, product-marketing-context)
- Refactor 10 skills over 500 lines to use references/ folders:
  - email-sequence: 926 → 291 lines
  - social-content: 809 → 276 lines
  - competitor-alternatives: 750 → 253 lines
  - pricing-strategy: 712 → 226 lines
  - programmatic-seo: 628 → 235 lines
  - referral-program: 604 → 239 lines
  - schema-markup: 598 → 175 lines
  - free-tool-strategy: 576 → 176 lines
  - paywall-upgrade-cro: 572 → 224 lines
  - marketing-ideas: 566 → 165 lines

Each skill now has core workflow in SKILL.md (<500 lines) with detailed
content in references/ folder for progressive disclosure.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

skills/social-content/references/post-templates.md

@@ -0,0 +1,171 @@
+# Post Format Templates
+
+Ready-to-use templates for different platforms and content types.
+
+## LinkedIn Post Templates
+
+### The Story Post
+```
+[Hook: Unexpected outcome or lesson]
+
+[Set the scene: When/where this happened]
+
+[The challenge you faced]
+
+[What you tried / what happened]
+
+[The turning point]
+
+[The result]
+
+[The lesson for readers]
+
+[Question to prompt engagement]
+```
+
+### The Contrarian Take
+```
+[Unpopular opinion stated boldly]
+
+Here's why:
+
+[Reason 1]
+[Reason 2]
+[Reason 3]
+
+[What you recommend instead]
+
+[Invite discussion: "Am I wrong?"]
+```
+
+### The List Post
+```
+[X things I learned about [topic] after [credibility builder]:
+
+1. [Point] — [Brief explanation]
+
+2. [Point] — [Brief explanation]
+
+3. [Point] — [Brief explanation]
+
+[Wrap-up insight]
+
+Which resonates most with you?
+```
+
+### The How-To
+```
+How to [achieve outcome] in [timeframe]:
+
+Step 1: [Action]
+↳ [Why this matters]
+
+Step 2: [Action]
+↳ [Key detail]
+
+Step 3: [Action]
+↳ [Common mistake to avoid]
+
+[Result you can expect]
+
+[CTA or question]
+```
+
+---
+
+## Twitter/X Thread Templates
+
+### The Tutorial Thread
+```
+Tweet 1: [Hook + promise of value]
+
+"Here's exactly how to [outcome] (step-by-step):"
+
+Tweet 2-7: [One step per tweet with details]
+
+Final tweet: [Summary + CTA]
+
+"If this was helpful, follow me for more on [topic]"
+```
+
+### The Story Thread
+```
+Tweet 1: [Intriguing hook]
+
+"[Time] ago, [unexpected thing happened]. Here's the full story:"
+
+Tweet 2-6: [Story beats, building tension]
+
+Tweet 7: [Resolution and lesson]
+
+Final tweet: [Takeaway + engagement ask]
+```
+
+### The Breakdown Thread
+```
+Tweet 1: [Company/person] just [did thing].
+
+Here's why it's genius (and what you can learn):
+
+Tweet 2-6: [Analysis points]
+
+Tweet 7: [Your key takeaway]
+
+"[Related insight + follow CTA]"
+```
+
+---
+
+## Instagram Templates
+
+### The Carousel Hook
+```
+[Slide 1: Bold statement or question]
+[Slides 2-9: One point per slide, visual + text]
+[Slide 10: Summary + CTA]
+
+Caption: [Expand on the topic, add context, include CTA]
+```
+
+### The Reel Script
+```
+Hook (0-2 sec): [Pattern interrupt or bold claim]
+Setup (2-5 sec): [Context for the tip]
+Value (5-25 sec): [The actual advice/content]
+CTA (25-30 sec): [Follow, comment, share, link]
+```
+
+---
+
+## Hook Formulas
+
+The first line determines whether anyone reads the rest.
+
+### Curiosity Hooks
+- "I was wrong about [common belief]."
+- "The real reason [outcome] happens isn't what you think."
+- "[Impressive result] — and it only took [surprisingly short time]."
+- "Nobody talks about [insider knowledge]."
+
+### Story Hooks
+- "Last week, [unexpected thing] happened."
+- "I almost [big mistake/failure]."
+- "3 years ago, I [past state]. Today, [current state]."
+- "[Person] told me something I'll never forget."
+
+### Value Hooks
+- "How to [desirable outcome] (without [common pain]):"
+- "[Number] [things] that [outcome]:"
+- "The simplest way to [outcome]:"
+- "Stop [common mistake]. Do this instead:"
+
+### Contrarian Hooks
+- "Unpopular opinion: [bold statement]"
+- "[Common advice] is wrong. Here's why:"
+- "I stopped [common practice] and [positive result]."
+- "Everyone says [X]. The truth is [Y]."
+
+### Social Proof Hooks
+- "We [achieved result] in [timeframe]. Here's the full story:"
+- "[Number] people asked me about [topic]. Here's my answer:"
+- "[Authority figure] taught me [lesson]."