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

types/source.schema.yaml

@@ -10,7 +10,7 @@ properties:
     enum: [transcript, analysis, article, document, notes, tracker, unclassified]
     description: >-
       The category of source material. No default - the machine must not pick
-      the vaguest value on the author's behalf (Gitea #66). Use `unclassified`
+      the vaguest value on the author's behalf. Use `unclassified`
       when the category is genuinely unclear; it is a visible, advisory-lint
       catalog slot, not a silent fallback.
   author:
@@ -29,7 +29,7 @@ properties:
     description: >-
       How faithful the capture is to what was actually said or shown. No
       default - a capture field, fixed at `raw accept`/`new source` time and
-      never guessed (Gitea #67). `unknown` is backfill-only: `raw accept` and
+      never guessed. `unknown` is backfill-only: `raw accept` and
       `new source` refuse it, only `wikitool touch` (on a page predating this
       rule) may write it. Deliberately absent from `required:` so an existing
       instance's source pages keep validating without it.
@@ -39,7 +39,7 @@ properties:
     description: >-
       What the material is entitled to claim about its subject - independent
       of `fidelity`, which asks how faithfully it was captured. Same capture,
-      no-default, backfill-only-`unknown` rules as `fidelity` (Gitea #67).
+      no-default, backfill-only-`unknown` rules as `fidelity`.
       Deliberately absent from `required:` for the same reason.
   source_url:
     type: [string, "null"]