tech-debt K: Docs, stale counts, and shipped bundle weight

[mmcky]

Version, test and suite counts are stale in seven files because the release checklist names only three of them. Measured truth at v0.23.0: 51 suites, 1,198 passing tests (suite runs in ~2.5s).

Also here: five CLI flags documented nowhere including the concurrency control on both bulk commands; src/cli/README.md documents a renamed binary and 1 of 8 commands; both module maps omit the two newest modules; glossary term counts wrong for French and mutually contradictory across four files.

Bundle: sourcesContent: false (the committed sourcemap is 2.85 MB against a 1.5 MB bundle and Node never reads it — action.yml uses node24, which offers no way to pass --enable-source-maps), and delete the dist-action/glossary copy loop that nothing reads at runtime — see #95.

Findings covered

11 audit findings land here. F<n> are stable references into the audit; rank is the report ordering (1 = act first of 139).

• F69 ½ · rank 117 · low · t/t — build-action.mjs copies glossary/*.json into a runtime-dead dist-action/glossary/
• F68 · rank 118 · low · t/t — The committed sourcemap inlines all 227 sources — 2.92 MB vs ~0.8 MB, for no added debuggability
• F108 · rank 119 · low · t/t — And it is shipped in every action download and provably never read
• F131 · rank 132 · med · t/t — src/cli/README.md documents a nonexistent resync binary, a superseded model default and 1 of 8 commands
• F47 · rank 133 · low · t/t — Version and test-count claims seven releases stale on the public landing page
• F117 · rank 134 · low · t/t — Hand-maintained test counts stale by ~30% across five files
• F129 · rank 135 · low · t/t — Version, test and suite counts stale in seven files — only the one the release checklist names was refreshed
• F132 · rank 136 · med · s/s — Both module maps omit the same modules, and now all three v0.22/v0.23 modules
• F133 · rank 137 · med · s/s — docs/developer/testing.md inventories 32 of 55 suites
• F134 · rank 138 · low · t/t — Glossary term counts wrong for French and mutually contradictory across four files
• F130 · rank 139 · low · s/s — Five CLI flags exist and are documented nowhere, including the concurrency control on both bulk LLM commands

Plan

Estimate 14.5h · Rebuilds dist-action/ yes · Wave 1, PR K

Docs, counts and bundle. F47 + F117 + F129 stale counts; F131 delete src/cli/README.md for a pointer; F132 + F133 module maps and suite inventory; F134 glossary term counts; F130 five undocumented flags; F68 + F108 sourcesContent: false; F69 delete the dist-action/glossary copy loop

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_{From the technical-debt audit of 2026-07-23 (141 candidates adversarially verified, re-validated against v0.23.0, 139 live). Effort is stopgap / full — t≈0.5h, s≈3.5h, m≈11h, L≈28h. Items marked ½ were partially addressed by v0.22.0/v0.23.0.}