[indy2kro]

• new FileSystem interface implemented by ISO 9660 volumes and the new UdfFileSystem (shared lookup/read helpers in the BrowsesEntries trait)
• UDF: anchor + volume descriptor sequence (main/reserve), plain partition maps, file set descriptor, file entries and extended file entries, short/long/inline allocation descriptors, allocation extent chains (bounded), sparse extents, OSTA compressed names, timestamps
• IsoFile::getUdfFileSystem() / getFileSystem(): UDF only images are browsable like ISO ones; Extractor and isotool (--list, --cat, --find, --json, --extract, info) work on both
• unsupported structures (sparable/virtual/metadata partitions, other block sizes) are reported with a clear exception; corrupt entries are skipped, loops/chains are bounded
• tests: real fixtures (UDF bridge images compared against their ISO 9660 tree, pure UDF image) and generated UDF images (9 layouts x a sample tree), hostile cases

Covers FEAT-07.

🤖 Generated with Claude Code

[codecov]

Codecov Report

❌ Patch coverage is 97.62712% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.21%. Comparing base (256960d) to head (1199410).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/Udf/UdfFileSystem.php	97.44%	6 Missing ⚠️
src/BrowsesEntries.php	96.29%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #115      +/-   ##
============================================
+ Coverage     96.44%   97.21%   +0.77%     
- Complexity      458      582     +124     
============================================
  Files            21       24       +3     
  Lines          1069     1329     +260     
============================================
+ Hits           1031     1292     +261     
+ Misses           38       37       -1     

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[codacy-production]

Not up to standards ⛔

🔴 Issues 1 medium

Alerts:
⚠ 1 issue (≤ 0 issues of at least minor severity)

Results:
1 new issue

Category	Results
UnusedCode	1 medium

View in Codacy

🟢 Metrics 273 complexity · 2 duplication

Metric	Results
Complexity	273
Duplication	2

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