feat: Autorenkonventionen nach Eigentum geschnitten - kb/CONVENTIONS.md, deklarierte Collections (3.0.0)

Files changed:
- .gitea/workflows/ci.yml
- .wikitool-kb.json
- AGENTS.md
- CHANGES.md
- INSTALL.md
- README.md
- VERSION
- instructions/CONTRACT.md
- instructions/dev/testing-conventions.md
- instructions/german-terminology.md
- instructions/kb-profiles.md
- instructions/migrations/3.0.0-authoring-conventions.md
- instructions/private-instance.md
- instructions/setup-instance.md
- instructions/wiki-ingest/SKILL.md
- instructions/wiki-manage/SKILL.md
- kb/CONTRACT.md
- kb/CONVENTIONS.md
- kb/CONVENTIONS.md.template
- kb/comparisons/COLLECTION.md
- kb/concepts/COLLECTION.md
- kb/entities/COLLECTION.md
- kb/sources/COLLECTION.md
- tools/CONTRACT.md
- tools/README.md
- tools/chemenu/commands/dist_cmd.py
- tools/chemenu/commands/docs_verify.py
- tools/chemenu/commands/doctor.py
- tools/chemenu/commands/new_page.py
- tools/chemenu/conventions.py
- tools/chemenu/kb_collections.py
- tools/chemenu/kb_scan.py
- tools/chemenu/provenance.py
- tools/chemenu/sections.py
- tools/chemenu/tests/conftest.py
- tools/chemenu/tests/test_conventions.py
- tools/chemenu/tests/test_dist_cmd.py
- tools/chemenu/tests/test_doctor.py
- tools/chemenu/tests/test_new_page.py
- tools/chemenu/tests/test_types_cmd.py
- types/comparison.md
- types/concept.md
- types/entity.md
- types/source.md
- types/type-spec.md

README.md

@@ -14,12 +14,15 @@ and maintains a persistent wiki** that compounds over time.
 English; the compiled pages under `kb/` are not. What stays English inside them is everything that
 is an *identifier* rather than prose - page titles, section headings, wikilink targets, citation
 ids, schema enum values, tags, commands, paths and code - so `GitOps Ownership Model` and
-`## Beziehungen` sit in the same page without contradiction. The rule is
-[kb/CONTRACT.md § Language](kb/CONTRACT.md#language); the vocabulary behind it is
+`## Beziehungen` sit in the same page without contradiction. Which lines are identifiers is
+[kb/CONTRACT.md § Language and identifiers](kb/CONTRACT.md#language-and-identifiers); *which
+language* the prose is in, and what the tool-owned headings are called, is this instance's own
+[kb/CONVENTIONS.md](kb/CONVENTIONS.md), and the vocabulary behind it is
 [instructions/german-terminology.md](instructions/german-terminology.md).
 
-This is a per-instance decision, not a property of the pattern. A new instance built with
-`dist export` starts empty and can pick any language by editing that one contract section before
+This is a per-instance decision, not a property of the pattern - which is why it lives in a file
+the instance owns rather than in one the stack ships. A new instance built with
+`dist export` starts empty and picks any language by filling in `kb/CONVENTIONS.md` before
 the first ingest.
 
 ## Getting started
@@ -401,7 +404,7 @@ This wiki is tailored for IT work with:
 
 - **Entity types** specific to software development and systems
 - **Relationship types** like `hängt ab von`, `verwendet`, `implementiert` - the vocabulary is in
-  [kb/CONTRACT.md § Linking](kb/CONTRACT.md#linking)
+  [kb/CONVENTIONS.md](kb/CONVENTIONS.md), because it is this instance's rather than the stack's
 - **Templates** for projects, systems, tools, technologies, ADRs
 - **Guidelines** for documenting technical decisions
 - **Cross-reference patterns** for code and architecture