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The typing-indicator refresh loop in BasePlatformAdapter._keep_typing awaited each send_typing call unconditionally. Each call is an HTTP round-trip to the platform API (Telegram/Discord), normally ~100ms. When the same network instability that causes upstream provider timeouts (e.g. Anthropic capacity blips slowing first-token latency past the 120s stream-read timeout) also slows the platform typing API to multi-second response times, the refresh loop stalls inside the await. Platform-side typing expires at ~5s, so the bubble dies and stays dead until the stuck send_typing call returns — right when the user most needs the 'still working' signal and instead sees a bot that looks dead, then asks 'wtf are you doing' which itself interrupts the eventually-recovering turn. Bound each send_typing with asyncio.wait_for (1.5s cap, derived from interval so it's always below the 2s cadence). Slow calls get abandoned so the next scheduled tick fires a fresh send_typing on schedule. As long as any one of them reaches the platform within its ~5s typing-expiry window, the bubble stays visible across the stall. Also catches non-timeout send_typing exceptions (transient HTTP errors) so one bad tick doesn't terminate the whole loop. Tests: 4 new in tests/gateway/test_keep_typing_timeout.py covering slow-send non-blocking, fast-send still-awaited, exception resilience, and paused-chat regression guard.