Record the reading cost

docs/reading-cost.md

@@ -0,0 +1,102 @@
+# Reading cost
+
+## Reading cost, chunk bb8f4dab4a8c, finished 2026-10-04T18:16:44Z
+
+63892 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `README.md` 6
+- `todo.md` 4
+- `docs/decisions.md` 3
+- `CHANGELOG.md` 2
+- `package.json` 2
+- `src/adf/document.test.ts` 2
+- `src/json-value.ts` 2
+- `AGENTS.md` 1
+- `ci.sh` 1
+- `docker-runner.sh` 1
+
+## Reading cost, chunk 113c7e9fa017, finished 2026-10-04T22:16:26Z
+
+166575 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `src/markdown/emit/adf-to-markdown.test.ts` 12
+- `spec/flavour.md` 9
+- `docs/decisions.md` 8
+- `README.md` 7
+- `src/markdown/emit/adf-to-markdown.ts` 6
+- `src/markdown/emit/inline-line.ts` 6
+- `src/conformance/commonmark-spec.test.ts` 5
+- `src/conformance/property-harness.ts` 4
+- `MIGRATION.md` 3
+- `src/markdown/directive-syntax.ts` 3
+
+## Reading cost, chunk acb0248b4a84, finished 2026-10-04T22:55:58Z
+
+129925 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `todo.md` 9
+- `README.md` 6
+- `docs/decisions.md` 3
+- `package.json` 3
+- `CHANGELOG.md` 2
+- `ci.sh` 2
+- `src/markdown/parse/markdown-to-adf.ts` 2
+- `package-lock.json` 1
+- `publish.sh` 1
+
+## Reading cost, chunk 9cf9bd367ada, finished 2026-10-05T07:13:39Z
+
+66023 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `src/adf/document.ts` 4
+- `docs/decisions.md` 3
+- `src/adf/document.test.ts` 3
+- `src/markdown/parse/markdown-to-adf.ts` 3
+- `README.md` 2
+- `package.json` 2
+- `src/markdown/emit/inline-line.ts` 2
+- `todo.md` 2
+- `CHANGELOG.md` 1
+- `ci.sh` 1
+
+## Reading cost, chunk 58103c6db5f8, finished 2026-10-08T10:09:48Z
+
+66995 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `README.md` 5
+- `todo.md` 4
+- `MIGRATION.md` 3
+- `docs/decisions.md` 3
+- `src/markdown/parse/markdown-to-adf.test.ts` 3
+- `src/adf/document.ts` 2
+- `CHANGELOG.md` 1
+- `ci.sh` 1
+- `docker-runner.sh` 1
+- `package-tests/consumer.ts` 1
+
+## Reading cost, chunk b1c4810437ad, finished 2026-10-09T00:05:28Z
+
+68188 new input tokens before the first commit.
+
+Read most (opens and searches):
+
+- `src/conformance/property-harness.ts` 4
+- `README.md` 2
+- `ci.sh` 2
+- `docker-runner.sh` 2
+- `src/conformance/corpus.test.ts` 2
+- `todo.md` 2
+- `CHANGELOG.md` 1
+- `corpus/README.md` 1
+- `corpus/round-trip/combinations/attribute-escapes.md` 1
+- `corpus/round-trip/combinations/escaped-json-keys.json` 1