Adds a lightweight way to pre-seed a Lingma workDir with an existing
logged-in session:
- New module session_bundle.py packs/unpacks only the four cache files
that make up a Lingma login (id, user, quota, config.json). Everything
else (db, logs, index, diagnosis) stays local so bundles stay tiny
and never leak session-specific artefacts.
- Safety: path-traversal/symlink members are rejected; size is capped;
refuses to export from a workDir that isn't actually logged in;
sensitive cache/user is chmod'd 0600 on restore.
- LingmaAccount gains optional session_bundle_b64 / session_bundle_file;
LINGMA_SESSION_BUNDLE[_FILE] env provide the singleton fallback.
Credentials become optional when a bundle is supplied.
- LingmaPool.start() restores the bundle into each instance workDir
only if it isn't already logged in, so persistent volumes aren't
clobbered and a corrupt bundle falls back to Playwright gracefully.
- POST /internal/session/export returns the bundle as base64; ?instance=
selects a specific pool instance. Requires an authed, already-logged-in
instance to prevent exporting empties.
- README + .env.example document the end-to-end flow.
Made-with: Cursor
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