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Enhance read_image tool with magic byte detection and multi-image support

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- Fix media type detection using magic bytes instead of file extension
  - Correctly identifies JPEG files with .png extension (and vice versa)
  - Supports PNG, JPEG, GIF, and WebP formats

- Add multi-image support with file_paths array parameter
  - Load multiple images in a single tool call
  - All images queued for LLM analysis

- Enhanced CLI output:
  - Inline image preview via iTerm2 imgcat protocol (height=5)
  - Dimmed info line showing: path | dimensions | media type | file size
  - Proper │ prefix alignment with tool output boxing
  - Human-readable file sizes (bytes, KB, MB)

- Add image dimension extraction from file headers
  - PNG, JPEG, GIF, WebP dimension parsing

- Add comprehensive tests for magic byte detection and dimensions
This commit is contained in:
Dhanji R. Prasanna
2025-12-26 11:19:37 +11:00
parent 3ece02ff31
commit 3601cc0547
7 changed files with 521 additions and 9 deletions
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Cargo.lock generated
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@@ -1456,6 +1456,7 @@ version = "0.1.0"
dependencies = [
"anyhow",
"async-trait",
"base64 0.22.1",
"chrono",
"const_format",
"futures-util",