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🐛 Fix MCP SSE sessions leaking on zombie connections (#9432 ) (#9464 )

SSE sessions were never included in the periodic inactivity timeout
checker, so a stale connection whose TCP close event never fired would
retain its SSEServerTransport and McpServer indefinitely.

Changes:
- Add lastActiveTime: number to the sseTransports entry type
- Initialise lastActiveTime at SSE session creation (GET /sse)
- Refresh lastActiveTime on every incoming message (POST /messages)
- Extend startSessionTimeoutChecker() to sweep and forcibly close SSE
  sessions idle for more than SESSION_TIMEOUT_MINUTES, mirroring the
  existing Streamable HTTP logic
- Update the checker log to count both transport maps

The existing res.on('close') cleanup path is preserved unchanged:
it remains the primary cleanup for normal disconnections; the timer
is a safety net for zombie sessions only.

Closes #9432

Signed-off-by: Andrey Antukh <niwi@niwi.nz>
Co-authored-by: Andrey Antukh <niwi@niwi.nz>

2026-05-11 13:55:11 +02:00

data

✨ Expose variants retrieval via isVariant() type guard on LibraryComponent

2026-05-06 11:28:15 +02:00

scripts

⏪ Backport MCP from staging (part 1)

2026-04-20 19:37:02 +02:00

src

🐛 Fix MCP SSE sessions leaking on zombie connections (#9432 ) (#9464 )

2026-05-11 13:55:11 +02:00

.gitignore

⏪ Backport MCP from staging (part 1)