feat: add gateway watchdog command#134
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Health-checks the standalone gateway with three independent checks: 1. Network connectivity (can we reach Linear API?) 2. Token validity (can we authenticate with current token?) 3. Gateway process (is the HTTP server responding?) Supports --fix flag for auto-repair (pm2 restart) and --json for structured output. Designed for cron/systemd timer integration. Usage: linear watchdog [--port 8091] [--fix] [--json]
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Summary
Add
linear watchdogCLI subcommand for standalone gateway health monitoring.Three independent checks
api.linear.appat all? (Distinguishes broken network from expired token)~/.linear-gateway/token.jsonauthenticate successfully? (viewer query)/health?Auto-repair
With
--fix, automatically restarts the gateway viapm2 restart linear-gatewaywhen the health endpoint is unreachable.Usage
Cron integration
Implementation
src/standalone/watchdog.ts— Core logic, reusesFileTokenStoreandresolveLinearTokensrc/standalone/cli.ts— CLI subcommand with--port,--fix,--json,--token-storeflagssrc/__test__/watchdog.test.ts— 8 unit tests covering all failure modes and repairNo new runtime dependencies. Follows existing project conventions (ESM, strict TS, Biome, Vitest).