chore: update commands, specs, and ccw tools

Update DDD commands (doc-generate, doc-refresh, sync), workflow commands
(session/sync, spec/add, spec/setup, spec/load), ccw specs, personal
preferences, and add generate-ddd-docs tool.

.ccw/personal/coding-style.md

@@ -0,0 +1,27 @@
+---
+title: "Personal Coding Style"
+dimension: personal
+category: general
+keywords:
+  - style
+  - preference
+readMode: optional
+priority: medium
+---
+
+# Personal Coding Style
+
+## Preferences
+
+- Describe your preferred coding style here
+- Example: verbose variable names vs terse, functional vs imperative
+
+## Patterns I Prefer
+
+- List patterns you reach for most often
+- Example: builder pattern, factory functions, tagged unions
+
+## Things I Avoid
+
+- List anti-patterns or approaches you dislike
+- Example: deep inheritance hierarchies, magic strings