build: entity_type project -> codebase rename (#122)

Files changed:
- CHANGES.md
- README.md
- VERSION
- instructions/kb-profiles.md
- instructions/wiki-ingest/SKILL.md
- kb/concepts/architectures/LLM Wiki Pattern.md
- kb/concepts/architectures/Three-Layer Architecture.md
- kb/entities/COLLECTION.md
- kb/entities/INDEX.md
- kb/entities/codebases/BCDModule.md
- kb/entities/codebases/Chemenu.md
- kb/entities/codebases/andybalholm-edl.md
- kb/entities/codebases/goresponsiveness.md
- kb/entities/codebases/ha-core.md
- kb/entities/codebases/hacs-e3dc.md
- kb/entities/codebases/hacs-integration-blueprint.md
- kb/entities/codebases/llm-wiki-skills.md
- kb/entities/codebases/plugnburn-edl.md
- kb/entities/codebases/wiki-skills-vanillaflava.md
- kb/entities/codebases/wiki-skills.md
- kb/entities/projects/BCDModule.md
- kb/entities/projects/Chemenu.md
- kb/entities/projects/andybalholm-edl.md
- kb/entities/projects/goresponsiveness.md
- kb/entities/projects/ha-core.md
- kb/entities/projects/hacs-e3dc.md
- kb/entities/projects/hacs-integration-blueprint.md
- kb/entities/projects/llm-wiki-skills.md
- kb/entities/projects/plugnburn-edl.md
- kb/entities/projects/wiki-skills-vanillaflava.md
- kb/entities/projects/wiki-skills.md
- kb/index.md
- tools/chemenu/tests/test_type_resolver.py
- tools/chemenu/tests/test_types_cmd.py
- types/entity.guidance.md
- types/entity.md
- types/entity.schema.yaml

types/entity.schema.yaml

@@ -7,7 +7,7 @@ properties:
     description: Must reference the entity type-spec
   entity_type:
     type: string
-    enum: [project, system, tool, technology, person]
+    enum: [codebase, system, tool, technology, person]
     description: The specific category of entity
   tags:
     type: array