feat: add structured OTel request logs with source IP

[rsbh]

Summary

• Adds OpenTelemetry structured logs to the telemetry plugin (ConsoleLogRecordExporter → stdout)
• Each HTTP request emits a log record with client.address (extracted from x-forwarded-for → x-real-ip → remoteAddress), method, route, status code, and duration
• New deps: @opentelemetry/sdk-logs, @opentelemetry/api-logs

Test plan

• Dev server starts without errors when telemetry enabled
• Structured log records emitted for all endpoints (/, /api/health, /api/search, /sitemap.xml, /robots.txt)
• Log attributes include client.address, http.request.method, url.path, http.response.status_code, http.request.duration_ms
• Verify IP populated correctly behind reverse proxy (x-forwarded-for)

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
chronicle	Ready	Preview, Comment	Jun 3, 2026 6:41am

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

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Run ID: a66c3011-9136-419c-a7c4-6e4295951efe

📥 Commits

Reviewing files that changed from the base of the PR and between 06013f3 and 5d1628b.

⛔ Files ignored due to path filters (1)

• bun.lock is excluded by !**/*.lock

📒 Files selected for processing (2)

• packages/chronicle/package.json
• packages/chronicle/src/server/plugins/telemetry.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/otel-request-logs

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[rohilsurana]

LGTM