raw accept: Datums-Shard statt Typverzeichnis, fidelity/authority am Drop-Punkt (Teil 1/3, #67)

Files changed:
- .gitignore
- CHANGES.md
- VERSION
- instructions/bootstrap.md
- instructions/wiki-ingest/SKILL.md
- kb/CONTRACT.md
- raw/CONTRACT.md
- tools/CONTRACT.md
- tools/chemenu/commands/dist_cmd.py
- tools/chemenu/commands/docs_verify.py
- tools/chemenu/commands/new_page.py
- tools/chemenu/commands/raw_cmd.py
- tools/chemenu/commands/touch.py
- tools/chemenu/lint_core.py
- tools/chemenu/tests/test_dist_cmd.py
- tools/chemenu/tests/test_docs_verify.py
- tools/chemenu/tests/test_lint.py
- tools/chemenu/tests/test_new_page.py
- tools/chemenu/tests/test_provenance.py
- tools/chemenu/tests/test_raw_cmd.py
- tools/chemenu/tests/test_touch.py
- tools/chemenu/tests/test_type_resolver.py
- tools/chemenu/type_resolver.py
- types/source.md
- types/source.schema.yaml

instructions/bootstrap.md

@@ -29,11 +29,11 @@ they are published: the agent harness will not offer `wiki-ingest`, `wiki-query`
    ```
 
 2. **Create the ingest inbox.** `incoming/` (raw/CONTRACT.md "Getting a file in") is gitignored,
-   so a fresh clone has none of its type subdirectories - unlike `raw/` itself, which is
-   committed and present immediately:
+   so a fresh clone does not have it at all - unlike `raw/` itself, which is committed and
+   present immediately. It is flat since Gitea #67 (no type subdirectory to create):
 
    ```bash
-   mkdir -p incoming/{articles,documents,notes,assets}
+   mkdir -p incoming
    ```
 
    `tools/wikitool doctor` only reports a missing one; it never creates it, so this is a one-off