style: using colon instead of hyphen (#13)

Using a colon instead of a hyphen to enumerate the phases of coding. This avoids accidental rendering as a list (happening now), and keeps the raw text clear of escapes (`\-` escaping the hyphen).

Author: paulosuzart

src/content/chapters/20-ai-fatigue.mdx

@@ -27,8 +27,8 @@ Analysis of 300+ engineer responses revealed five recurring patterns.
 
 ### Pattern 1: The meditative middle is gone
 Coding has three psychological modes: 1. **Problem-solving**
-(stressful) - Understanding the problem 2. **Coding** (meditative)
-- Writing the solution 3. **Seeing it work** (dopamine) - Tests
+(stressful): Understanding the problem 2. **Coding** (meditative):
+ Writing the solution 3. **Seeing it work** (dopamine): Tests
 pass, feature works
 
 AI collapsed the meditative middle. Engineers now oscillate between
@@ -227,4 +227,4 @@ with deployment scripts and tuning guidance.
 - ☐ Team has a shared channel for agent wins and failures
 - ☐ Agent scope is limited to tasks with clear verification criteria
 
-**Related Concepts:** [AI Fatigue & Sustainable Adoption](/20-ai-fatigue/), [The Conductor Model](/21-conductor-model/), [Backpressure](/32-backpressure/) **Related Practices:** [The Agent Adoption Playbook](/33-adoption-playbook/) 
+**Related Concepts:** [AI Fatigue & Sustainable Adoption](/20-ai-fatigue/), [The Conductor Model](/21-conductor-model/), [Backpressure](/32-backpressure/) **Related Practices:** [The Agent Adoption Playbook](/33-adoption-playbook/)