feat: Link-Taxonomie abgeschlossen - Lint hart ab kb_version 4.0.0, outbound: an Type-Spec gebunden, part-of/composition als Inversenpaar (4.1.0, #40)

Files changed:
- CHANGES.md
- VERSION
- instructions/link-taxonomy.md
- instructions/migrations/4.0.0-link-taxonomy.md
- kb/comparisons/amd-pstate vs acpi-cpufreq.md
- kb/concepts/Episodic Memory.md
- kb/concepts/Memory Lifecycle.md
- kb/concepts/Mesh Sync.md
- kb/concepts/Procedural Memory.md
- kb/concepts/Reciprocal Rank Fusion.md
- kb/concepts/Semantic Memory.md
- kb/concepts/Shared vs Private.md
- kb/concepts/Split Threshold.md
- kb/concepts/Stub Threshold.md
- kb/concepts/Supersession.md
- kb/concepts/Typed Relationships.md
- kb/concepts/Vector Search.md
- kb/concepts/Work Coordination.md
- kb/concepts/Working Memory.md
- kb/entities/technologies/Wine-Staging.md
- kb/entities/tools/pascalandy schema.md
- kb/index.md
- kb/log.md
- kb/sources/COLLECTION.md
- tools/CONTRACT.md
- tools/chemenu/commands/lint.py
- tools/chemenu/kb_collections.py
- tools/chemenu/lint_core.py
- tools/chemenu/tests/test_conventions.py
- tools/chemenu/tests/test_lint.py
- tools/chemenu/tests/test_type_resolver.py
- types/comparison.md
- types/comparison.schema.yaml

tools/chemenu/commands/lint.py

@@ -16,10 +16,12 @@ from chemenu import config
 from chemenu.commands._util import rel_path, success
 from chemenu.lint_core import (
     HARD_ERROR_KEYS,
+    MIGRATION_GATED_KEYS,
     MOST_LINKED_COUNT,
     QUOTE_LIMIT,
     count_quote_blocks,
     default_report_path,
+    hard_error_keys,
     has_hard_errors,
     render_markdown,
     render_summary,
@@ -30,10 +32,12 @@ from chemenu.lint_core import (
 # so does every other name the tests and sibling commands already import.
 __all__ = [
     "HARD_ERROR_KEYS",
+    "MIGRATION_GATED_KEYS",
     "MOST_LINKED_COUNT",
     "QUOTE_LIMIT",
     "count_quote_blocks",
     "default_report_path",
+    "hard_error_keys",
     "has_hard_errors",
     "render_markdown",
     "render_summary",