fix(tsjs): index string-named higher-order callbacks

[heiyan-2020]

Summary

• index anonymous TypeScript/JavaScript callbacks passed to string-named fn/fnUntraced wrappers (including generator callbacks)
• preserve the wrapper's logical name and qualified name in both tree-sitter and native Rust extraction
• add TS/JS extraction and native-kernel parity coverage

Motivation

FM-Agent's OpenCode src/session scope contains 87 Effect.fn* callbacks. The previous CodeGraph release omitted these anonymous implementations, so the downstream spec graph saw only 129 entries (including fallback pseudo-functions) instead of the 185 real function nodes.

Validation

• npm run build
• npx vitest run __tests__/extraction.test.ts -t 'string-named HOF|unnamed HOF callbacks|fnUntraced'
• CODEGRAPH_KERNEL_EXPECT=1 npx vitest run __tests__/kernel-*.test.ts (16 files, 156 tests)
• OpenCode src/session: 87/87 named wrappers resolve to indexed functions

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-04T17:48:22.705998Z	b7fc8fb	PR opened

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