[yumike]

Summary

Follow-up from the case-sensitive paths spec's "Later" list (#1326 review).

rw confluence render dropped a missing, too large or wrong-case image from the bundle with the generic "attachment '…' is not in the bundle; upload it to the page yourself", because ImageNames::image_src used read_file(...).ok(). When that read fails, it now asks Storage::find_file why and the render warns with MissingFile's Display, the same text rw serve prints:

warning: image `docs/img/Logo.PNG` not found; the file on disk is `docs/img/logo.png`

• The reason is keyed by the attachment name the page references (the basename rule moved from ConfluenceBackend::image into attachment_filename, shared by both), so an image in a dropped title H1 still warns about nothing. Two missing files with one basename each get their own warning.
• The generic warning stays where it fits: --out - and a markdown file outside the project (no bundle storage), a resolver refusal (outside the project, unsupported type) that already warned on its own, and a read that failed while find_file finds the file.
• --strict fails on the new warnings, as on the old one.
• docs/confluence.md describes both warnings. No CHANGELOG entry: image bundling is unreleased, and its existing entry links the docs.

Validation

• New unit tests in rw-confluence renderer.rs: missing images via MockStorage (every OS), and a misspelled image via a small Storage stub returning MissingFile::Misspelled (every OS).
• New CLI tests: render_strict_fails_on_a_missing_image (every OS) and render_strict_fails_on_a_misspelled_image, which probes the temp dir's case sensitivity and expects the hint on macOS/Windows, plain "not found" on Linux. Both pass --strict and assert exit 1.
• Updated expectations: render_does_not_bundle_a_file_storage_refuses (escape/env symlinks now "not found", the huge file "is larger than 32 MiB") and render_leaves_images_it_cannot_bundle_to_the_publisher (the missing image).
• make test, make lint, make format pass on macOS (case-insensitive APFS).

🤖 Generated with Claude Code

[codspeed]

Merging this PR will not alter performance

✅ 2 untouched benchmarks
⏩ 11 skipped benchmarks¹

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_{Comparing fix/confluence-misspelled-image-hint (00eba7b) with main (7b7c250)²}

Footnotes

1. 11 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. ↩

2. No successful run was found on main (508d6bc) during the generation of this report, so 7b7c250 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩