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feat(mcp-client): auto-reconnect with bounded backoff after transport close

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A per-instance connection supervisor restarts the original server config
with exponential backoff when the transport closes, re-runs tool discovery
on success, and atomically replaces the previous generation. Default policy
retries for ~2.5 minutes (10 attempts, 500ms→30s doubling) before giving up
and unregistering the server's tools.

New config block reconnect { enabled, initialDelayMs, maxDelayMs, maxAttempts }
on both transports; misconfiguration fails plugin load. A connection that
survives past the stability window (maxDelayMs) resets the attempt budget,
so occasional crashes recover indefinitely while a crash loop still exhausts
the cap.

Integrates with the upstream failOnStartupError: the initial sync uses
registrationFailure:'throw' when that flag is set so a squatted namespace
still rejects activation.

Fixes #1746
This commit is contained in:
lintianle
2026-08-10 18:50:03 +08:00
parent d2321d210a
commit 00f68d7e93
24 changed files with 1044 additions and 94 deletions
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4
docs/config-catalog.i18n.yaml
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@@ -2,5 +2,5 @@
# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write docs/config-catalog.md
config-catalog.md: 51c6ae46eeca1279390c9d9315a6161edd2de618
config-catalog.zh.md: dc93f5b4b55b07c52c58405ba4793c2c6eca28df
config-catalog.md: 76f1d0344d3e172416af36eff27bd4cb8544ed4a
config-catalog.zh.md: d5752a1922d8b8b2e70f055ec05117ed20c445bf