web: add reconnect logging + troubleshooting doc
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@@ -11,6 +11,7 @@ Context: `src/provider-web.ts` was a 900+ line ball of mud mixing session manage
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- Bounded reconnects: web relay uses capped exponential backoff (default 2s→30s, max 12 attempts). CLI knobs `--web-retries`, `--web-retry-initial`, `--web-retry-max`, `--web-heartbeat` and config `web.reconnect`/`web.heartbeatSeconds` tune the behavior.
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- Backoff reset after healthy uptime; logged-out state still exits immediately.
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- Extracted reconnect/heartbeat helpers to `src/web/reconnect.ts` with unit tests.
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- Added troubleshooting guide at `docs/refactor/web-relay-troubleshooting.md` (common errors, knobs, logs).
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## How to use
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- Link: `warelay login --provider web`
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docs/refactor/web-relay-troubleshooting.md
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docs/refactor/web-relay-troubleshooting.md
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# Web Relay Troubleshooting (Nov 26, 2025)
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## Symptoms & quick fixes
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- **Stream Errored / Conflict / status 409–515:** WhatsApp closed the socket because another session is active or creds went stale. Run `warelay logout` then `warelay login --provider web` and restart the relay.
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- **Logged out:** Console prints “session logged out”; re-link with `warelay login --provider web`.
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- **Repeated retries then exit:** Reconnects are capped (default 12 attempts). Tune with `--web-retries`, `--web-retry-initial`, `--web-retry-max`, or config `web.reconnect`.
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- **No inbound messages:** Ensure the QR-linked account is online in WhatsApp, and check logs for `web-heartbeat` to confirm auth age/connection.
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## Helpful commands
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- Start relay web-only: `pnpm warelay relay --provider web --verbose`
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- Show who is linked: `pnpm warelay relay --provider web --verbose` (first line prints the linked E.164)
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- Logout (clear creds): `pnpm warelay logout`
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- Relink: `pnpm warelay login --provider web`
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- Tail logs (default): `tail -f /tmp/warelay/warelay.log`
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## Reading the logs
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- `web-reconnect`: close reasons, retry/backoff, max-attempt exit.
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- `web-heartbeat`: connectionId, messagesHandled, authAgeMs, uptimeMs (every 60s by default).
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- `web-auto-reply`: inbound/outbound message records with correlation IDs.
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## When to tweak knobs
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- High churn networks: increase `web.reconnect.maxAttempts` or `--web-retries`.
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- Slow links: raise `--web-retry-max` to give more headroom before bailing.
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- Chatty monitors: increase `--web-heartbeat` interval if log volume is high.
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## If it keeps failing
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1) `warelay logout` → `warelay login --provider web` (fresh QR link).
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2) Ensure no other device/browser is using the same WA Web session.
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3) Check WhatsApp mobile app is online and not in low-power mode.
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4) If status is 515, let the client restart once after pairing (already handled automatically).
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5) Capture the last `web-reconnect` entry and the status code before escalating.
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