Answer architecture round 9: each data package exports Modules, a locale's importing its country's geo package as a bench chose, and a namespace mounts a tree through an fs.FS wrapper, so internal/datafiles walks file-system folders alone

todo.md

@@ -282,7 +282,7 @@ Nothing has shipped, so "no longer paths", "where it used to fail" and "where it
 
 ### 196. Name, in the error for a reference nothing loaded provides, the module the reader's manifest reads by default that would provide it, or say none does.
 
-Carries out the decision "The shipped data is Go packages a library imports by choice, and the CLI carries every one, from 0.1.0", and ends the locale-address decision's conflict with goal 6.2. Carved out of item 182 on 2026-10-11, after six rounds of the comprehension panel ruled each attempt worse. Tried and ruled worse: a module list carried per category from each source's manifest (two routes, `walked` and `indexed`); the union of every manifest's list on the `Generator`, noted at four entry points; and the same noted inside `loadReached`, its list threaded through `loadInline` and `structCompile`. Each named every module read, even loaded ones, until the list held namespaces and the note named only those nothing in the tree provides, which the product-owner and goals reviewers accepted. Bench the manifest key and the note's wording with the data author, since entries changed from import paths to namespaces after the 2026-10-11 bench.
+Carries out the decision "The shipped data is Go packages a library imports by choice, and the CLI carries every one, from 0.1.0", and ends the locale-address decision's conflict with goal 6.2. Carved out of item 182 on 2026-10-11, after six rounds of the comprehension panel ruled each attempt worse. Tried and ruled worse: a module list carried per category from each source's manifest (two routes, `walked` and `indexed`); the union of every manifest's list on the `Generator`, noted at four entry points; and the same noted inside `loadReached`, its list threaded through `loadInline` and `structCompile`. Each named every module read, even loaded ones, until the list held namespaces and the note named only those nothing in the tree provides, which the product-owner and goals reviewers accepted. A shipped locale's `Modules()` already carries its places, so this serves a bare `FS` beside a stand-in, a `--data-path` folder and anyone else's module; the error names the module and points to `Modules()`, as the 2026-10-11 bench asked. Bench the manifest key and the note's wording with the data author, since entries changed from import paths to namespaces after the 2026-10-11 bench.
 
 ### 164. Let a table's format or a cell bind a name, which lives in that format or cell and keeps one pick through the draw.
 
@@ -294,7 +294,7 @@ Split from item 129. cmd.exe's `echo` keeps its quotes and a trailing space, so
 
 ### 181. Fail a load where two sources define one category, unless the library's option or the CLI's flag says the later replaces the earlier, and then make every read reach the replacement.
 
-Carries out the decision "The shipped data is Go packages a library imports by choice, and the CLI carries every one, from 0.1.0". Proposed spellings: `WithReplace()` and a boolean `--replace` covering every `-d`, so it goes anywhere on the line. Bench the option, the flag and the clash error with the data and hand fixture authors before merging; the error names the option or the flag. A clash is found from the categories each source's index names and the files each source without a manifest holds, without parsing them. Revises the decision "A `--data-path` override rebinds every reference to the category it replaces", ending its conflict with goal 9.3. The changelog names the flag, the option and the new refusal.
+Carries out the decision "The shipped data is Go packages a library imports by choice, and the CLI carries every one, from 0.1.0". Proposed spellings: `WithReplace()` and a boolean `--replace` covering every `-d`, so it goes anywhere on the line. Bench the option, the flag and the clash error with the data and hand fixture authors before merging; the error names the option or the flag. A clash is found from the categories each source's index names and the files each source without a manifest holds, without parsing them. Revises the decision "A `--data-path` override rebinds every reference to the category it replaces", ending its conflict with goal 9.3. The changelog names the flag, the option and the new refusal. The same `embed.FS` passed twice, as `svse.Modules()` beside `data.Modules()` passes `geose.FS`, loads once and is no clash.
 
 ### 167. Lower the reading cost of the files a chunk reads most before its first commit.