docs: update command counts across all documentation files

- Update CHANGELOG.md: 16 -> 19 commands in v0.1.0 description
- Update docs/architecture.md: 5 SDS -> 8 SDS commands
- Update specify.md.j2 template: 16 -> 19 commands in MetaSpec composability note

Author: NeilJo-GY

CHANGELOG.md

@@ -1072,7 +1072,7 @@ metaspec search → metaspec install → speckit cmd
 - `metaspec spec` unified interface (deprecated in 0.2.0)
 - `metaspec register` local registration (deprecated in 0.2.0)
 - Community registry integration
-- MetaSpec workflow commands (16 commands: 5 SDS + 8 SDD + 3 Evolution)
+- MetaSpec workflow commands (19 commands: 8 SDS + 8 SDD + 3 Evolution)
 - Generic and dev templates
 - AGENTS.md for AI assistant guidance
 

docs/architecture.md

@@ -56,8 +56,8 @@ src/metaspec/templates/
 api-test-kit/                       # Generated speckit
 │
 ├── .metaspec/
-│   ├── commands/                   # MetaSpec development commands (16 commands)
-│   │   ├── metaspec.sds.*.md      # Protocol specification (5 commands)
+│   ├── commands/                   # MetaSpec development commands (19 commands)
+│   │   ├── metaspec.sds.*.md      # Protocol specification (8 commands)
 │   │   ├── metaspec.sdd.*.md      # Speckit development (8 commands)
 │   │   └── metaspec.*.md          # Evolution management (3 commands)
 │   └── templates/                  # MetaSpec shared output templates (5 files)

src/metaspec/templates/meta/sdd/commands/specify.md.j2

@@ -645,7 +645,7 @@ Option C: Composed (Recommended)
 ```
 
 **MetaSpec's Composability**:
-- MetaSpec itself uses `meta/` spec system (16 commands)
+- MetaSpec itself uses `meta/` spec system (19 commands)
 - Spec-Kit uses `library/sdd/spec-kit/` spec system
 - OpenSpec uses `library/sdd/openspec/` spec system
 - Your speckit can choose/compose these systems