feat(i18n): add French locale

[pascalandr]

Summary

• add a full French locale for the OpenWork app
• register fr in the locale registry and language picker
• keep key and placeholder coverage aligned with the English source locale

Testing

• node scripts/i18n-audit.mjs --missing
• custom en/fr key and placeholder audit (2075 keys, 0 missing, 0 extra, 0 placeholder mismatches)
• pnpm --filter @openwork/app typecheck (fails on a pre-existing unrelated React typing issue in apps/app/src/react/session/markdown.react.tsx:100)

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Project	Deployment	Actions	Updated (UTC)
openwork-landing	Ready	Preview, Comment, Open in v0	Apr 13, 2026 1:51pm

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The following comment was made by an LLM, it may be inaccurate:

[jcllobet]

@pascalandr can you also add french to the audit script and check the results? ../openwork/scripts/i18n-audit.mjs.

 - const LOCALES = ["ja", "zh", "vi", "pt-BR", "th"];                           
  + const LOCALES = ["ja", "zh", "vi", "pt-BR", "th", "fr"];                     

Tagging @johnnyshields so he can comment on what we want to do missing_keys and unused_keys in a potential PR that cleans it up afterwards:

This is what I got from the audit report:

╔══════════════════════════════════════════════════╗
    ║              i18n Audit Report                   ║
    ╚══════════════════════════════════════════════════╝

    === Key counts ===
      en       2075 keys (source of truth)
      ja       2043 keys (98%)
      zh       2043 keys (98%)
      vi       2043 keys (98%)
      pt-BR    2043 keys (98%)
      th       2043 keys (98%)
      fr       2075 keys (100%)

    === Missing keys (in en.ts but not in locale) ===
      ja: ✗ 32 missing
          17  den.*
          15  skills.*
      zh: ✗ 32 missing
          17  den.*
          15  skills.*
      vi: ✗ 32 missing
          17  den.*
          15  skills.*
      pt-BR: ✗ 32 missing
          17  den.*
          15  skills.*
      th: ✗ 32 missing
          17  den.*
          15  skills.*
      fr: ✓ no missing

    === Orphan keys (in locale but not in en.ts) ===
      ja: ✓ no orphans
      zh: ✓ no orphans
      vi: ✓ no orphans
      pt-BR: ✓ no orphans
      th: ✓ no orphans
      fr: ✓ no orphans

    === Duplicate keys ===
      en: ✓ no duplicates
      ja: ✓ no duplicates
      zh: ✓ no duplicates
      vi: ✓ no duplicates
      pt-BR: ✓ no duplicates
      th: ✓ no duplicates
      fr: ✓ no duplicates

    === Unused keys (in en.ts but never referenced in repo) ===
      ⚠ 292 potentially unused keys
          62  dashboard.*
          57  onboarding.*
          45  share.*
          21  session.*
          19  inbox_panel.*
          16  sidebar.*
          14  skills.*
          11  settings.*
           7  context_panel.*
           7  share_skill_destination.*
           7  workspace.*
           7  workspace_sidebar.*
           6  config.*
           6  mcp.*
           4  workspace_list.*

    === Dangling t() calls (keys not in en.ts) ===
      ✓ all t() keys exist in en.ts

    === Dynamic t() calls (keys built at runtime) ===
      ✓ no dynamic key construction

    === Placeholder integrity ===
      ✗ ja/den.status_loaded_orgs: missing placeholder {plural}
      ✗ zh/den.status_loaded_orgs: missing placeholder {plural}
      ✗ th/den.status_loaded_orgs: missing placeholder {plural}
      ✗ ja/den.status_loaded_templates: missing placeholder {plural}
      ✗ zh/den.status_loaded_templates: missing placeholder {plural}
      ✗ th/den.status_loaded_templates: missing placeholder {plural}
      ✗ ja/den.status_loaded_workers: missing placeholder {plural}
      ✗ zh/den.status_loaded_workers: missing placeholder {plural}
      ✗ th/den.status_loaded_workers: missing placeholder {plural}
      ✗ ja/message_list.subagent_message_count: missing placeholder {plural}
      ✗ zh/message_list.subagent_message_count: missing placeholder {plural}
      ✗ th/message_list.subagent_message_count: missing placeholder {plural}
      ✗ ja/onboarding.folders_allowed: missing placeholder {plural}
      ✗ zh/onboarding.folders_allowed: missing placeholder {plural}
      ✗ th/onboarding.folders_allowed: missing placeholder {plural}
      ✗ ja/session.show_earlier: missing placeholder {plural}
      ✗ zh/session.show_earlier: missing placeholder {plural}
      ✗ th/session.show_earlier: missing placeholder {plural}
      ✗ ja/status.providers_connected: missing placeholder {plural}
      ✗ zh/status.providers_connected: missing placeholder {plural}
      ✗ th/status.providers_connected: missing placeholder {plural}
      ✗ 21 placeholder issues

    === Done ===
    Run with --missing, --orphan, --duplicates, --unused, --dangling,
    --placeholders, --hardcoded, --prune, or --sort for a single check.
    [rerun: b12]
    ```

[jcllobet]

@OmarMcAdam I played around with french a bit and it seems to 1) work 2) not break for other languages (eg: English).

[pascalandr]

@jcllobet
Added \fr to scripts/i18n-audit.mjs and reran the audit. French is clean: 2075 keys, no missing/orphan/duplicate keys, and no placeholder issues. The remaining missing keys / placeholder issues are pre-existing in other locales only.