test(fixtures): replace sector-specific example material with generic, fictitious examples — green

Every fixture, test document, tool example and document now uses an invented
kitchen-and-baking handbook series, written in this repository. The package's
behaviour is unchanged; src/ changes are comments and help text only.

- Generated fixtures are regenerated from their generators. Their structural
  counts are identical before and after: elements, images, rows, cells,
  headings, bookmarks and the witness inventory's per-document totals. The
  image-inbox and accounting documents are renamed kapittel-84-*.
- tools/okf_accounting_gate.py: the two options that named one real corpus
  each are replaced by a generic, repeatable --corpus PATH with no default.
  Row 5 compares the PDF pair alone. Gate verdict unchanged: RED rows 2, 3, 6.
- tools/okf_witness.py: the STS JSON reader for one publisher's delivery is
  removed, along with its three twins and five tests. The mutation harness
  loses W09.
- docs/: 13 dated reports that documented runs on a retired reference corpus
  are removed, and 40 are neutralized. Dead links are removed, and no new
  dangling path is introduced.
- The synthetic MCP-gate corpus and the residual probe words are neutral.

Valgt: keep the `okf quality --fasit` bar value (the measured fraction, one corpus) and
rewrite only its provenance, because the verdict stays unchanged and the
number names nothing.

Term check with the local list: 0 of 411 tracked files, 0 file names, 0 of
27 binary fixtures. Suite after git add: 2457 passed, 1 skipped. The base
tree had 2460 passed and 2 skipped; five tests went with the JSON reader and
four were added by the term check. ruff, ruff format and mypy --strict src/
are clean.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_mcp_gate.py

@@ -117,8 +117,8 @@ def test_the_two_synthetic_bundles_share_no_question_token(scratch: Path) -> Non
         }
         for name, root in bundles.items()
     }
-    shared = words["bridge-notes"] & words["kitchen-notes"]
-    assert "spennvidde" not in shared
+    shared = words["garden-notes"] & words["kitchen-notes"]
+    assert "bedbredde" not in shared
     assert "surdeig" not in shared
 
 
@@ -131,8 +131,8 @@ def test_a_question_set_whose_bytes_moved_is_a_usage_error_not_a_red_row(
     payload = {
         "sporsmal": [
             {
-                "bundles": ["bridge-notes"],
-                "atomer": [{"kilde_anker": "spennvidde", "kilde_sitat": "24 meter"}],
+                "bundles": ["garden-notes"],
+                "atomer": [{"kilde_anker": "bedbredde", "kilde_sitat": "24 meter"}],
             }
         ]
     }
@@ -145,7 +145,7 @@ def test_a_question_set_whose_bytes_moved_is_a_usage_error_not_a_red_row(
         json.dumps({"versjon": 4, "sha256": {"sporsmal.json": digest}}), encoding="utf-8"
     )
     anchors = gate.read_anchor_set(questions, freeze, want_version=4)
-    assert anchors.pairs == (("bridge-notes", "spennvidde", "24 meter"),)
+    assert anchors.pairs == (("garden-notes", "bedbredde", "24 meter"),)
 
     questions.write_text(json.dumps(payload) + " ", encoding="utf-8")
     with pytest.raises(gate.GateUsage, match="is not the file"):
@@ -250,16 +250,20 @@ def test_row_twos_denominator_is_the_sets_and_not_what_the_surface_reached(
     import hashlib
 
     bundles = gate.corpus(scratch / "base")
+    # The second reachable pair is the fixture's own second triple, read rather
+    # than restated, so the test and the corpus cannot drift apart.
+    second_bundle, second_anchor, second_quote = gate.SYNTHETIC_ANCHORS[1]
+    assert second_bundle == "garden-notes"
     questions = scratch / "sporsmal.json"
     questions.write_text(
         json.dumps(
             {
                 "sporsmal": [
                     {
-                        "bundles": ["bridge-notes"],
+                        "bundles": ["garden-notes"],
                         "atomer": [
-                            {"kilde_anker": "spennvidde", "kilde_sitat": "spennvidde 24 meter"},
-                            {"kilde_anker": "rekkverk", "kilde_sitat": "1,2 meter hoeyt"},
+                            {"kilde_anker": "bedbredde", "kilde_sitat": "bedbredde 24 meter"},
+                            {"kilde_anker": second_anchor, "kilde_sitat": second_quote},
                             {
                                 "kilde_anker": "finnes-ikke",
                                 "kilde_sitat": "dette staar ingen steder",
@@ -288,7 +292,7 @@ def test_row_twos_denominator_is_the_sets_and_not_what_the_surface_reached(
         for row in gate.evaluate(
             scratch / "run",
             anchors=anchors,
-            real={"bridge-notes": bundles["bridge-notes"]},
+            real={"garden-notes": bundles["garden-notes"]},
         )
     }
     row = rows[2]