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feat: add system monitoring RPC endpoints (system.stats, system.processes, system.temperature)

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Read real metrics from /proc/stat, /proc/meminfo, /proc/uptime, /proc/loadavg,
df, ps, and /sys/class/thermal/. CPU usage computed via dual-sample jiffies.
Deployed and verified on live server — all three endpoints return real data.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Dorian
2026-03-11 00:22:57 +00:00
parent 5dbc29d19c
commit e12a50f938
3 changed files with 275 additions and 1 deletions
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loop/plan.md
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@@ -48,7 +48,7 @@
#### Sprint 3: Backend Robustness (Week 5-6)
- [ ] **BACK-01** — Add system monitoring RPC endpoints. Create `core/archipelago/src/api/rpc/system.rs` with handlers for: `system.stats` (CPU usage, RAM used/total, disk used/total, uptime, load average), `system.processes` (top 10 by CPU), `system.temperature` (if available). Read from `/proc/stat`, `/proc/meminfo`, `/proc/uptime`, `df`, and `/sys/class/thermal/` on Linux. Register in `core/archipelago/src/api/rpc/mod.rs` route table. **Acceptance**: `curl -X POST http://localhost:5678/rpc/v1 -d '{"method":"system.stats"}'` returns real metrics on dev server.
- [x] **BACK-01** — Add system monitoring RPC endpoints. Create `core/archipelago/src/api/rpc/system.rs` with handlers for: `system.stats` (CPU usage, RAM used/total, disk used/total, uptime, load average), `system.processes` (top 10 by CPU), `system.temperature` (if available). Read from `/proc/stat`, `/proc/meminfo`, `/proc/uptime`, `df`, and `/sys/class/thermal/` on Linux. Register in `core/archipelago/src/api/rpc/mod.rs` route table. **Acceptance**: `curl -X POST http://localhost:5678/rpc/v1 -d '{"method":"system.stats"}'` returns real metrics on dev server.
- [ ] **BACK-02** — Add system monitoring to frontend Dashboard. In `neode-ui/src/views/Home.vue`, add a system stats section (CPU, RAM, Disk gauges) that calls `system.stats` RPC on mount and refreshes every 30s. Use `bg-white/5 rounded-lg` sub-cards inside an existing glass container. Show percentage bars with color coding (green <70%, orange 70-90%, red >90%). **Acceptance**: Dashboard shows real CPU/RAM/Disk usage. Deploy and verify.