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feat(import): make claude-code import idempotent via source.external_id - #17
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Re-running `basou import claude-code` no longer duplicates sessions: each imported session records the originating Claude session id in `session.source.external_id`, and the importer skips any transcript whose id is already present. - Add optional `source.external_id` to the session and import schemas (additive; absent for live runs). - The transform stores the Claude session id (filename / sessionId) there and in the session label. - Import builds the set of existing external_ids and skips matches. Sessions imported before external_id existed are recognized via their `claude-code import <id>` label, so prior imports are not duplicated. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Makes
basou import claude-codeidempotent. Re-running an import — to keep aproject's provenance in sync — no longer creates duplicate sessions.
Why
Imported sessions are minted fresh Basou ids on every run, so without a stable
key, re-importing the same Claude transcript produced a duplicate session. The
Claude session id (the transcript filename) is that stable key.
How
source.external_idto the session + import schemas(additive; absent for live
claude-code-adapterruns).external_ids up front and skips anytranscript already present. Sessions imported before
external_idexistedare recognized via their
claude-code import <id>label, so prior importsare not duplicated.
Tests
externalIdoption wins.
🤖 Generated with Claude Code