Fix transcript-dir encoding on Windows (and underscore paths) - #1
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projects_dir_for() only rewrote '/' and '.', but Claude Code encodes the
~/.claude/projects/<dir> name by replacing every non-alphanumeric character
with '-'. On Windows the path separators ('\', ':') were left intact, so the
computed dir never existed and os.path.join collapsed onto the still-absolute
encoded path, making the skill silently report "0 sessions". POSIX paths
containing '_' were also mis-encoded.
Replace all non-alphanumerics with '-' to match Claude Code's actual encoding,
and add a case-insensitive fallback for Windows drive-letter casing (abspath
yields 'C:' while the stored dir starts 'c-').
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Problem
On Windows the skill silently reports "0 sessions" —
extract_chats.pynever finds the transcript directory.projects_dir_for()computed the~/.claude/projects/<dir>name with:But Claude Code encodes that directory name by replacing every non-alphanumeric character with
-. On Windows the separators (\,:) were left intact, e.g.:c--Users-Qeyto-Documents-GitHub-llmb-rts-notebookC:\Users\Qeyto\Documents\GitHub\llmb_rts_notebook(unchanged — no/or.present)Because the computed value was still an absolute Windows path,
os.path.join(home, ".claude", "projects", encoded)collapsed onto it,os.path.isdirhappened to be true (it's the project dir itself), the*.jsonlglob matched nothing, and the tool reported 0 sessions with no error.POSIX paths containing
_were also mis-encoded (underscores left intact when Claude Code turns them into-).Fix
-to match Claude Code's actual encoding (covers/,.,_,\,:).os.path.abspathyieldsC:while the stored dir startsc-).No change in behavior on POSIX for paths without underscores; underscore-containing POSIX paths are now encoded correctly too.
Verification
On Windows under the project's env, before the fix:
0 session(s). After: sessions are auto-detected with no--projects-diroverride needed.🤖 Generated with Claude Code