no-mistakes(document): Fixed stale decimal-array and eject docs. Review-2 CHANGELOG and upgrade-guide fixes were already present in the diff. Edited the reporting skill decimal line (source plus five fixture copies, which mirror it) to the canonical-string rule, and added the companion-file clause to the own-your-codegen eject --list bullet.

Author: dmealing

agent-context/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").

docs/features/own-your-codegen.md

@@ -126,8 +126,10 @@ is touched, so "what did upstream change?" is a diff of two files whose body is
 - **`meta eject --list` compares each copy** against what the installed packages would write
   today: `identical`, `same content, your formatting`, `DIFFERS: N line(s) only in the
   package, M only in yours`, or `not in the package`, with the `diff -u` command for each
-  that differs. Take an upgrade by merging the package's change into your copy; the two
-  files differ by their import lines alone.
+  that differs. The comparison covers the companion files a generator copies with it (its
+  template modules, Java's support classes, the Kotlin decimal wire), not only the generator
+  file. Take an upgrade by merging the package's change into your copy; the two files differ
+  by their import lines alone.
 - **A copy from before 1.1 gets no template modules it would never call.** It imports the
   renderers from the package, so copying them beside it would be dead code. `meta eject
   <name> --force` takes the new shape; to keep your changes, merge them into the new file.

fixtures/agent-context-conformance/java-kotlin-react-tanstack/expected/.claude/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").

fixtures/agent-context-conformance/java-react/expected/.claude/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").

fixtures/agent-context-conformance/python/expected/.claude/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").

fixtures/agent-context-conformance/ts-react-tanstack/expected/.claude/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").

fixtures/agent-context-conformance/ts-requirements/expected/.claude/skills/metaobjects-authoring/references/reporting.md

@@ -166,7 +166,7 @@ A concrete report whose read source is `@kind: view` is served by every port's g
 - `<segment>` is the report name, snake_cased then pluralized, like any object: `InvoicesByMonth` is `/invoices_by_months`, `StoreTotals` is `/store_totals`. There is no report-specific spelling.
 - **Every derived field with filter operators is filterable and sortable**, dimension and measure alike, with its type's own operators. You cannot narrow that set: a report has no field to put `@filterable` on. A field of the `@from` entity that the report does not expose is refused with a `400`.
 - A time dimension at `day` or coarser is `YYYY-MM-DD`; a null measure is `null` with the key present (a measure with `@default` is never null); `currency` is integer minor units.
-- **A decimal (`avg`, a ratio, a `sum` of a decimal) has no agreed JSON spelling**: each port sends its own (TypeScript a string). Do not compare one across backends as text.
+- **A decimal (`avg`, a ratio, a `sum` of a decimal) is one canonical string in every port** (ADR-0019 Amendment 1: `12.5`, never `12.50` or an exponent). Display formatting is a view's job. Do not parse it as a float to compare.
 - `meta gen` writes a model page for every report (`docsFile()`; a sourceless one is marked "Not served") and an API page for a served one (`apiDocsFile()`) — each an ordinary entry in `generators`.
 
 The files each port generates are in the `metaobjects-codegen` skill's reference for that language ("Reports").