feat: add wifi, room climate, and water level to device status (#157, #192)

[ng]

Summary

• device.getStatus now returns wifiStrength, wifiSSID (from /proc/net/wireless + iwgetid)
• Returns roomClimate: { temperatureC, humidity, timestamp } from latest bed temp sensor
• Returns waterLevelRaw: { raw, calibratedEmpty, calibratedFull, timestamp } from latest water level reading
• Migration 0007 adds raw, calibrated_empty, calibrated_full columns to water_level_readings
• All enrichment is best-effort (null values on failure, graceful defaults on non-Linux)

Review fixes applied

• Replaced execSync('cat ...') with readFileSync for procfs (no subprocess fork)
• Used spawnSync for iwgetid (no shell layer)
• Flattened wifi fields to wifiStrength/wifiSSID per Add wifi signal strength to device.getStatus #157 spec
• Changed temperatureF → temperatureC per Add room climate and raw water level to device status #192 spec
• Serialized timestamps as unix ms per Add room climate and raw water level to device status #192 spec
• Moved wifi call inside enrichment try/catch

Test plan

• Typecheck passes
• 620 tests pass
• Migration runs successfully
• Manual: call GET /device/status on Pod and verify wifi/roomClimate/waterLevelRaw fields
• Manual: verify graceful fallback on macOS dev (null/default values)

Closes #157, closes #192

[coderabbitai]

Warning

Rate limit exceeded

@ng has exceeded the limit for the number of commits that can be reviewed per hour. Please wait 8 minutes and 24 seconds before requesting another review.

Your organization is not enrolled in usage-based pricing. Contact your admin to enable usage-based pricing to continue reviews beyond the rate limit, or try again in 8 minutes and 24 seconds.

⌛ How to resolve this issue?

After the wait time has elapsed, a review can be triggered using the @coderabbitai review command as a PR comment. Alternatively, push new commits to this PR.

We recommend that you space out your commits to avoid hitting the rate limit.

🚦 How do rate limits work?

CodeRabbit enforces hourly rate limits for each developer per organization.

Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout.

Please see our FAQ for further information.

ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 581652d5-20e5-41a1-8bd7-d74c9ab34304

📥 Commits

Reviewing files that changed from the base of the PR and between 6deee72 and e7aa060.

📒 Files selected for processing (6)

• src/db/biometrics-migrations/0007_peaceful_blue_shield.sql
• src/db/biometrics-migrations/meta/0007_snapshot.json
• src/db/biometrics-migrations/meta/_journal.json
• src/db/biometrics-schema.ts
• src/hardware/wifi.ts
• src/server/routers/device.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/157-192-device-status-enrichment

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}