feat: complete IPA translation support

[konard]

Summary

Resolves #1 by completing IPA translation support across the unified Human Language application.

• translates arbitrary text token-by-token using Free Dictionary and Wiktionary fallbacks
• prefers Wikidata P898 transcriptions for entities
• selects the P898 transcription matching the active BCP-47 display language
• exposes IPA displays in the alphabet, dictionary, and entity modes
• keeps the Node.js and browser Wikidata clients aligned
• caches token lookups for responsive repeated rendering

Reproduction and fix

Before this update, an entity with multiple language-tagged P898 values always displayed the first transcription. For example, selecting fr-FR from English and French claims still returned the English IPA.

toIpaForEntity now normalizes the requested language, prefers a matching transcription, then falls back to an untagged value or the first available value.

Tests

• npm test — passed
• npm run test:syntax — passed (46 files)
• npm run check:web-archive — passed
• cargo test --manifest-path rust/Cargo.toml — passed
• cargo fmt --manifest-path rust/Cargo.toml --all -- --check — passed
• cargo clippy --manifest-path rust/Cargo.toml --all-targets --all-features -- -D warnings — passed
• npm run test:e2e:local — 10 passed; two unrelated existing checks depend on unavailable external resources (Google Fonts browser-console errors and a Wikidata fetch)

The IPA unit suite includes deterministic mocked coverage for arbitrary text, punctuation preservation, missing pronunciations, P898 parsing, language selection, fallbacks, and empty input.

Conflict resolution

Merged current main and resolved the legacy entities.html conflict in favor of the unified SPA redirect and its dedicated IPA service.

Resolves #1

[konard]

We need to resolve conflicts, and double check that #1 is fully implemented, if we have something not fully implemented we should implement it fully.

[konard]

🤖 AI Work Session Started

Starting automated work session at 2026-07-12T04:50:20.678Z

The PR has been converted to draft mode while work is in progress.

This comment marks the beginning of an AI work session. Please wait for the session to finish, and provide your feedback.

[konard]

Working session summary

Implemented and finalized PR #27.

• Merged main and resolved all conflicts.
• Added language-aware P898 IPA selection with regression coverage.
• Updated README and PR description.
• Pushed commit 7e99a4f.
• Marked PR ready for review.
• Fresh CI passed: syntax, links, unit tests, and Playwright E2E.
• PR is CLEAN, mergeable, and the working tree is clean.

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[konard]

🤖 Solution Draft Log

This log file contains the complete execution trace of the AI solution draft process.

💰 Cost estimation:

• Model: GPT-5.6 Sol
• Provider: OpenAI
• Public pricing estimate: $4.548936

📊 Context and tokens usage:

• 111.0K / 200K (55%) input tokens, 8.7K / 128K (7%) output tokens

Total: (111.0K + 3.0M cached) input tokens, 8.7K output tokens, $4.548936 cost

🤖 Models used:

• Tool: OpenAI Codex
• Requested: gpt-5.6-sol
• Thinking level: medium (~15999 tokens)
• Model: GPT-5.6 Sol (gpt-5.6-sol)

📎 Log file uploaded as Gist (1443KB)

• View complete solution draft log

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Now working session is ended, feel free to review and add any feedback on the solution draft.

[konard]

✅ Ready to merge

This pull request is now ready to be merged:

• All CI checks have passed
• No merge conflicts
• No pending changes

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