add support of claude code transcript in /context page

[ishaanxgupta]

currently in transcript upload we support cursor, antigravity transcripts.
add support for claude code transcript as well.
changes will needed in xmem-landing as well.

5$ API credit bounty

[LoikStyle]

/attempt

[speech115]

/attempt

Opened the landing/frontend companion PR for this issue: XortexAI/xmem-landing#5

Scope: updates the /context importer UI copy to list Claude Code and .jsonl uploads, matching the backend parser work already in progress in XMem.

Verification: npm run check, npm run build.

[LoikStyle]

Submitted PRs for this bounty:\n\n- Backend parser: https://github.com/XortexAI/XMem/pull/168\n- Landing page copy: https://github.com/XortexAI/xmem-landing/pull/6\n\nTested backend parser with targeted pytest and py_compile; landing change with npm run check.