stack: Typ project und Collection kb/gtd/ (#123)

Files changed:
- CHANGES.md
- README.md
- VERSION
- kb/CONTRACT.md
- kb/CONVENTIONS.md
- kb/entities/COLLECTION.md
- kb/gtd/COLLECTION.md
- kb/gtd/INDEX.md
- kb/index.md
- tools/CONTRACT.md
- tools/chemenu/kb_collections.py
- tools/chemenu/tests/test_conventions.py
- tools/chemenu/tests/test_docs_verify.py
- tools/chemenu/tests/test_kb_collections.py
- tools/chemenu/tests/test_new_page.py
- tools/chemenu/tests/test_type_resolver.py
- tools/chemenu/tests/test_types_cmd.py
- types/project.md
- types/project.schema.yaml
- types/type-spec.md

README.md

@@ -95,6 +95,7 @@ chemenu/
 │   ├── concept.md      # Concept type config + template (+ .guidance.md)
 │   ├── source.md       # Source type config + template (+ .guidance.md)
 │   ├── comparison.md   # Comparison type config + template (+ .guidance.md)
+│   ├── project.md      # Project (Vorhaben) type config + template, no guidance file
 │   ├── instruction.md  # Instruction type - lives outside kb/ via `root: repo`
 │   └── lint-report.md  # Contract-only: describes reports/, owns no directory
 ├── kb/                 # OUTPUT: compiled knowledge. A namespace, not a collection
@@ -103,7 +104,7 @@ chemenu/
 │   ├── log.md          # Generated chronological audit log
 │   ├── provenance.md   # Generated raw-file reverse index
 │   ├── entities/       # COLLECTION.md + INDEX.md + areas below
-│   │   ├── projects/
+│   │   ├── codebases/
 │   │   ├── systems/
 │   │   ├── tools/      # own INDEX.md once past 50 pages
 │   │   ├── technologies/
@@ -123,7 +124,11 @@ chemenu/
 │   │   ├── notes/
 │   │   ├── trackers/
 │   │   └── unclassified/
-│   └── comparisons/    # COLLECTION.md - comparison pages, no subtype axis
+│   ├── comparisons/    # COLLECTION.md - comparison pages, no subtype axis
+│   └── gtd/            # COLLECTION.md + INDEX.md + areas below
+│       ├── haus/
+│       ├── finanzen/
+│       └── technik/
 ├── work/               # WORKSHOP: one directory per multi-session run, tracked
 │   └── CONTRACT.md     # Run keys, required files, how a run closes
 ├── reports/            # DERIVED: lint reports, traces, eval scores. Gitignored
@@ -467,6 +472,7 @@ The LLM will create and maintain:
 - Entity pages in `kb/entities/`
 - Concept pages in `kb/concepts/`
 - Comparison pages in `kb/comparisons/`
+- Project (Vorhaben) pages in `kb/gtd/`
 - Lint reports, session traces and eval scores in `reports/` (gitignored)
 
 ## Changelog