Record the reading cost and refresh item 92's figures

docs/reading-cost.md

@@ -385,3 +385,20 @@ Read most (opens and searches):
 - `docker-runner.sh` 1
 - `package.json` 1
 - `tsconfig.build.json` 1
+
+## Reading cost, chunk 5a2bec0d3370, finished 2026-10-14T20:13:58Z
+
+113495 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `README.md` 11
+- `todo.md` 7
+- `src/conformance/commonmark-spec.test.ts` 6
+- `MIGRATION.md` 5
+- `spec/flavour.md` 4
+- `src/markdown/parse/inline-content.ts` 4
+- `src/markdown/parse/markdown-to-adf.test.ts` 4
+- `src/markdown/portable/inline-reduction.ts` 4
+- `CHANGELOG.md` 3
+- `docs/decisions.md` 3

todo.md

@@ -142,12 +142,12 @@ commonmark.js avoids the backtick cost by caching backtick runs by length.
 
 ### 92. Lower the reading cost of the files a chunk reads most before its first commit.
 
-The last five chunks' median is 104037 new input tokens before their first commit, the five before
-them 96564. Files read most over the last five chunks, counting opens and searches: `README.md` 35,
-`todo.md` 35, `spec/flavour.md` 24, `docs/decisions.md` 23, `CHANGELOG.md` 14,
-`src/markdown/emit/adf-to-markdown.test.ts` 14, `src/markdown/parse/markdown-to-adf.test.ts` 14,
-`src/markdown/directive-syntax.ts` 10, `src/conformance/adf-schema.test.ts` 8,
-`src/conformance/property-harness.ts` 6.
+The last five chunks' median is 113495 new input tokens before their first commit, the five before
+them 96564. Files read most over the last five chunks, counting opens and searches: `README.md` 38,
+`todo.md` 36, `spec/flavour.md` 22, `docs/decisions.md` 20,
+`src/markdown/parse/markdown-to-adf.test.ts` 18, `src/markdown/emit/adf-to-markdown.test.ts` 14,
+`CHANGELOG.md` 12, `src/markdown/directive-syntax.ts` 10, `src/conformance/adf-schema.test.ts` 8,
+`src/markdown/parse/inline-content.ts` 7.
 
 ### 33. Emit a line in time linear in its mark runs, in `adfToLosslessMarkdown` and `adfToPortableMarkdown`.