docs: ausgelieferte Doku zitiert keine Issue-Nummern mehr, docs verify prueft es (schliesst #77)

Files changed:
- .gitignore
- CHANGES.md
- EVALS.md
- INSTALL.md
- README.md
- VERSION
- docs/pipeline-rationale.md
- instructions/CONTRACT.md
- instructions/bootstrap.md
- instructions/dev/issue-tracking.md
- instructions/evolve-subtypes.md
- instructions/kb-profiles.md
- instructions/mcp-read-server.md
- instructions/wiki-ingest/SKILL.md
- kb/CONTRACT.md
- kb/concepts/COLLECTION.md
- kb/sources/COLLECTION.md
- raw/CONTRACT.md
- tools/.coveragerc
- tools/CONTRACT.md
- tools/README.md
- tools/chemenu/commands/docs_verify.py
- tools/chemenu/tests/test_docs_verify.py
- types/source.schema.yaml
- types/type-spec.md

tools/.coveragerc

@@ -15,8 +15,8 @@
 # step, so the number sits next to the reasoning that produced it and applies to
 # any `--cov` run, not just the one CI happens to write.
 #
-# 85, against a measured 87.0% (CI run 163, 6498 statements, 975 tests). Gitea
-# #10 held this back until the number had been watched: the first measurement
+# 85, against a measured 87.0% (CI run 163, 6498 statements, 975 tests). The
+# floor was held back until the number had been watched: the first measurement
 # was 86.9% of 5105 statements over 730 tests (CI run 87), and between the two
 # the measured code grew by a quarter and the suite by a third while the quota
 # moved a tenth of a point. That stability is what the threshold rests on.
@@ -26,8 +26,8 @@
 # having got worse, because its logic is tested beside it (see EVALS.md § "How
 # much of the stack the suite reaches"). A threshold at the measured number
 # would go red on exactly that commit, and a threshold that goes red for a
-# non-reason gets lowered rather than earned - which is the failure mode #10
-# existed to avoid, arriving from the other side.
+# non-reason gets lowered rather than earned - which is the failure mode that
+# holding the floor back existed to avoid, arriving from the other side.
 #
 # What this number does *not* do is close the genuine gaps - provenance_cmd.py,
 # migrate_cmd.py, type_resolver.py. It freezes the state that was reached; the