fix(semantic): add TS error code 1235 to namespace declaration diagnostic

[camc314]

Add TypeScript error code to the "namespace declaration not allowed" error message for consistency with other TS diagnostics.

🤖 generated with help from Claude Opus 4.5

[camc314]

• fix(semantic): add TS error code 1235 to namespace declaration diagnostic #16747 👈 (View in Graphite)
• feat(semantic): add TS2670 error for global scope augmentation without declare modifier #16746
• main

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[codspeed-hq]

CodSpeed Performance Report

Merging #16747 will not alter performance

_{Comparing c/12-11-fix_semantic_add_ts_error_code_1235_to_namespace_declaration_diagnostic (d7f300a) with c/12-11-feat_semantic_add_ts_2670_error_for_global_scope_augmentation_without_declare_modifier (e177d94)}

Summary

✅ 42 untouched
⏩ 3 skipped¹

Footnotes

1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[Boshen]

Merge activity

• Dec 11, 1:27 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Dec 11, 1:27 PM UTC: Boshen added this pull request to the Graphite merge queue.
• Dec 11, 1:35 PM UTC: Merged by the Graphite merge queue.